<SEC-DOCUMENT>0001193125-21-163701.txt : 20210517
<SEC-HEADER>0001193125-21-163701.hdr.sgml : 20210517
<ACCEPTANCE-DATETIME>20210517161616
ACCESSION NUMBER:		0001193125-21-163701
CONFORMED SUBMISSION TYPE:	10-Q
PUBLIC DOCUMENT COUNT:		83
CONFORMED PERIOD OF REPORT:	20210331
FILED AS OF DATE:		20210517
DATE AS OF CHANGE:		20210517

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ODYSSEY MARINE EXPLORATION INC
		CENTRAL INDEX KEY:			0000798528
		STANDARD INDUSTRIAL CLASSIFICATION:	WATER TRANSPORTATION [4400]
		IRS NUMBER:				841018684
		STATE OF INCORPORATION:			NV
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		10-Q
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-31895
		FILM NUMBER:		21930861

	BUSINESS ADDRESS:	
		STREET 1:		205 S. HOOVER BLVD.
		STREET 2:		SUITE 210
		CITY:			TAMPA
		STATE:			FL
		ZIP:			33609
		BUSINESS PHONE:		(813) 876-1776

	MAIL ADDRESS:	
		STREET 1:		205 S. HOOVER BLVD.
		STREET 2:		SUITE 210
		CITY:			TAMPA
		STATE:			FL
		ZIP:			33609

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	UNIVERSAL CAPITAL CORP
		DATE OF NAME CHANGE:	19920703
</SEC-HEADER>
<DOCUMENT>
<TYPE>10-Q
<SEQUENCE>1
<FILENAME>d134608d10q.htm
<DESCRIPTION>10-Q
<TEXT>
<HTML><HEAD>
<TITLE>10-Q</TITLE>
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<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="line-height:1.0pt;margin-top:0pt;margin-bottom:0pt;border-bottom:1px solid #000000">&nbsp;</P>
<P STYLE="line-height:3.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1px solid #000000">&nbsp;</P> <P STYLE="margin-top:4pt; margin-bottom:0pt; font-size:18pt; font-family:Times New Roman" ALIGN="center"><B>UNITED STATES </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:18pt; font-family:Times New Roman" ALIGN="center"><B>SECURITIES AND EXCHANGE COMMISSION </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:12pt; font-family:Times New Roman" ALIGN="center"><B>Washington, D.C. 20549 </B></P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><center>
<P STYLE="line-height:6.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1.00pt solid #000000;width:21%">&nbsp;</P></center> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:18pt; font-family:Times New Roman" ALIGN="center"><B>FORM <FONT
STYLE="white-space:nowrap">10-Q</FONT> </B></P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><center>
<P STYLE="line-height:6.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1.00pt solid #000000;width:21%">&nbsp;</P></center> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:12pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><B></B>&#9746;<B></B><B></B></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:12pt; font-family:Times New Roman; " ALIGN="left"><B>Quarterly report pursuant to Section&nbsp;13 or 15(d) of the Securities Exchange Act of 1934
</B></P></TD></TR></TABLE> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>For the quarterly period ended March&nbsp;31, 2021. </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>or </B></P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:12pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><B></B>&#9744;<B></B><B></B></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:12pt; font-family:Times New Roman; " ALIGN="left"><B>Transition report pursuant to Section&nbsp;13 or 15(d) of the Securities Exchange Act of 1934
</B></P></TD></TR></TABLE> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>For the transition period from
<U>&nbsp;&nbsp;&nbsp;&nbsp;</U><U>&nbsp;&nbsp;&nbsp;&nbsp;</U><U>&nbsp;&nbsp;&nbsp;&nbsp;</U><U>&nbsp;&nbsp;&nbsp;&nbsp;</U> to
<U>&nbsp;&nbsp;&nbsp;&nbsp;</U><U>&nbsp;&nbsp;&nbsp;&nbsp;</U><U>&nbsp;&nbsp;&nbsp;&nbsp;</U><U>&nbsp;&nbsp;&nbsp;&nbsp;</U> </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>Commission File Number <FONT STYLE="white-space:nowrap">001-31895</FONT> </B></P>
<P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><center> <P STYLE="line-height:6.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1.00pt solid #000000;width:21%">&nbsp;</P></center>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:24pt; font-family:Times New Roman" ALIGN="center"><B>ODYSSEY MARINE EXPLORATION, INC. </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>(Exact name of registrant as specified in its charter) </B></P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><center>
<P STYLE="line-height:6.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1.00pt solid #000000;width:21%">&nbsp;</P></center> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:8pt" ALIGN="center">


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<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" ALIGN="center"><B>Nevada</B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top" ALIGN="center"><B><FONT STYLE="white-space:nowrap">84-1018684</FONT></B></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
<TD VALIGN="top" ALIGN="center"> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>(State or other jurisdiction of</B></P>
<P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>incorporation or organization)</B></P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top" ALIGN="center"> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>(I.R.S. Employer</B></P>
<P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>Identification No.)</B></P></TD></TR>
</TABLE> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>205 S. Hoover Blvd., Suite 210, Tampa, FL 33609 </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>(Address of principal executive offices) (Zip code) </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>(813) <FONT STYLE="white-space:nowrap">876-1776</FONT> </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>(Registrant&#146;s telephone number, including area code) </B></P>
<P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><center> <P STYLE="line-height:6.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1.00pt solid #000000;width:21%">&nbsp;</P></center>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>Securities registered pursuant to Section&nbsp;12(b) of the Act: </B></P>
<P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:8pt" ALIGN="center">


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<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD WIDTH="32%"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
<TD VALIGN="bottom" NOWRAP ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"> <P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>Title of each class</B></P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"> <P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>Trading Symbols(s)</B></P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"> <P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>Name of each exchange on which registered</B></P></TD></TR>


<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" ALIGN="center"><B>Common Stock, $0.0001 par value</B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top" ALIGN="center"><B>OMEX</B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top" ALIGN="center"><B>NASDAQ Capital Market</B></TD></TR>
</TABLE> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Indicate by check mark whether the registrant: (1)&nbsp;has filed all reports required to be filed by Section&nbsp;13 or 15(d)
of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2)&nbsp;has been subject to such filing requirements for the past 90
days.&nbsp;&nbsp;&nbsp;&nbsp;YES&nbsp;&nbsp;&#9746;&nbsp;&nbsp;&nbsp;&nbsp;NO&nbsp;&nbsp;&#9744; </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Indicate by check mark whether the registrant has
submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation <FONT STYLE="white-space:nowrap">S-T</FONT> during the preceding 12 months (or
for shorter period that the registrant was required to submit and post such files).&nbsp;&nbsp;&nbsp;&nbsp;Yes&nbsp;&nbsp;&#9746;&nbsp;&nbsp;&nbsp;&nbsp;No&nbsp;&nbsp;&#9744; </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a <FONT STYLE="white-space:nowrap">non-accelerated</FONT>
filer or a smaller reporting company. See definition of &#147;large accelerated filer,&#148; &#147;accelerated filer&#148; and &#147;smaller reporting company&#148; in Rule <FONT STYLE="white-space:nowrap">12b-2</FONT> of the Exchange Act (Check
one). </P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" ALIGN="center">


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<TD WIDTH="17%"></TD>

<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD WIDTH="57%"></TD>

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<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD WIDTH="2%"></TD></TR>


<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="bottom">Large&nbsp;accelerated&nbsp;filer</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&#9744;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom">Accelerated&nbsp;filer</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&#9744;</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="bottom">Non-accelerated filer</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&#9744;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom">Smaller&nbsp;reporting&nbsp;company</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&#9746;</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom">Emerging&nbsp;growth&nbsp;company</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&#9744;</TD></TR>
</TABLE> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period
for complying with any new or revised financial accounting standards provided pursuant to Section&nbsp;13(a) of the exchange act.&nbsp;&nbsp;&#9744; </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Indicate by check mark whether the registrant is a shell company (as defined in Rule <FONT STYLE="white-space:nowrap">12b-2</FONT> of the Exchange Act):</P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">Yes&nbsp;&nbsp;&#9744;&nbsp;&nbsp;&nbsp;&nbsp;No&nbsp;&nbsp;&#9746; </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">The number of outstanding shares of the registrant&#146;s Common Stock, $.0001 par value, as of April&nbsp;30, 2021 was 13,023,330. </P>
<P STYLE="font-size:10pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P> <P STYLE="line-height:1.0pt;margin-top:0pt;margin-bottom:0pt;border-bottom:1px solid #000000">&nbsp;</P>
<P STYLE="line-height:3.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1px solid #000000">&nbsp;</P>
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<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>Page&nbsp;No.</B></TD>
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<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><B>Part&nbsp;I:</B></P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><B>Financial Information</B></P></TD>
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<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Item&nbsp;1.</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Financial Statements:</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
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<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#tx134608_2">Consolidated Balance Sheets</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">3</TD>
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<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#tx134608_3">Consolidated Statements of Operations</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">4</TD>
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<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#tx134608_4">Consolidated Statements of Changes in Stockholders&#146; Equity / (Deficit)
</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">5</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
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<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#tx134608_5">Consolidated Statements of Cash Flows</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">6</TD>
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<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#tx134608_6">Notes to the Consolidated Financial Statements</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">7&nbsp;&#150;31</TD>
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<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Item&nbsp;2.</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#tx134608_7">Management&#146;s Discussion and Analysis of Financial Condition and
 Results of Operations</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">32&nbsp;&#150;&nbsp;43</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Item&nbsp;3.</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#tx134608_8">Quantitative and Qualitative Disclosures About Market
Risk</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">43</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Item&nbsp;4.</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#tx134608_9">Controls and Procedures</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">43</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><B>Part&nbsp;II:</B></P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><B>Other Information</B></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Item&nbsp;1.</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#tx134608_10">Legal Proceedings</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">43</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Item&nbsp;1A.</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#tx134608_11">Risk Factors</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">44</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Item&nbsp;2.</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#tx134608_12">Unregistered Sales of Equity Securities and Use of
Proceeds</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">44</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Item&nbsp;4.</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#tx134608_13">Mine Safety Disclosures</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">44</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Item&nbsp;6.</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#tx134608_14">Exhibits</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">45</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8" COLSPAN="3"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" COLSPAN="3"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#tx134608_15">Signatures</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">45</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
</TABLE>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">2 </P>

</DIV></Center>


<p style="margin-top:1em; margin-bottom:0em; page-break-before:always">
<HR SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">


<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>PART I: FINANCIAL INFORMATION </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>ITEM 1. FINANCIAL STATEMENTS </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>ODYSSEY MARINE EXPLORATION, INC. AND SUBSIDIARIES </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B><A NAME="tx134608_2"></A>CONSOLIDATED BALANCE SHEETS </B></P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" ALIGN="center">


<TR>

<TD WIDTH="78%"></TD>

<TD VALIGN="bottom" WIDTH="2%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>

<TD VALIGN="bottom" WIDTH="2%"></TD>
<TD></TD>
<TD></TD>
<TD></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>Unaudited</B><br><B>March&nbsp;31, 2021</B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>December&nbsp;31,</B><br><B>2020</B></TD>
<TD VALIGN="bottom">&nbsp;</TD></TR>


<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">ASSETS</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">CURRENT ASSETS</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Cash and cash equivalents</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">5,234,822</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">6,163,205</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Accounts receivable and other, net</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">220,991</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">160,257</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Other current assets</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">500,242</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">587,394</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1px; ">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Total current assets</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">5,956,055</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">6,910,856</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1px; ">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">PROPERTY AND EQUIPMENT</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Equipment and office fixtures</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">7,295,717</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">7,295,717</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Right to use &#150; operating lease, net</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">571,860</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">607,039</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Accumulated depreciation</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">(7,289,832</TD>
<TD NOWRAP VALIGN="bottom">)&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">(7,287,999</TD>
<TD NOWRAP VALIGN="bottom">)&nbsp;</TD></TR>
<TR STYLE="font-size:1px; ">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Total property and equipment</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">577,745</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">614,757</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1px; ">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><FONT STYLE="white-space:nowrap">NON-CURRENT</FONT> ASSETS</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Investment in unconsolidated entity</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">2,627,117</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">2,370,794</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Exploration license</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">1,821,251</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">1,821,251</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Other <FONT STYLE="white-space:nowrap">non-current</FONT> assets</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">41,806</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">41,806</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1px; ">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Total <FONT STYLE="white-space:nowrap">non-current</FONT> assets</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">4,490,174</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">4,233,851</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1px; ">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Total assets</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">11,023,974</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">11,759,464</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1px; ">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">LIABILITIES AND STOCKHOLDERS&#146; EQUITY/(DEFICIT)</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">CURRENT LIABILITIES</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Accounts payable</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">1,173,775</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">1,463,668</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Accrued expenses</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">23,779,961</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">21,174,005</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Operating lease obligation</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">147,141</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">142,080</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Loans payable</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">30,008,556</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">31,104,239</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1px; ">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Total current liabilities</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">55,109,433</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">53,883,992</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1px; ">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">LONG-TERM LIABILITIES</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Loans payable</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">12,146,029</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">11,489,029</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Operating lease obligation</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">440,237</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">478,966</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Deferred income and revenue participation rights</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">3,818,750</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">3,818,750</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1px; ">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Total long-term liabilities</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">16,405,016</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">15,786,745</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1px; ">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Total liabilities</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">71,514,449</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">69,670,737</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1px; ">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Commitments and contingencies (NOTE H)</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">STOCKHOLDERS&#146; EQUITY/(DEFICIT)</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Preferred stock - $.0001 par value; 24,984,166 shares authorized; none outstanding</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">&#151;&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">&#151;&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Common stock &#150; $.0001 par value; 75,000,000 shares authorized; 13,023,330 and 12,591,084
issued and outstanding</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">1,302</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">1,259</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Additional <FONT STYLE="white-space:nowrap">paid-in</FONT> capital</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">240,049,578</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">237,505,357</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Accumulated (deficit)</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">(268,854,680</TD>
<TD NOWRAP VALIGN="bottom">)&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">(265,134,462</TD>
<TD NOWRAP VALIGN="bottom">)&nbsp;</TD></TR>
<TR STYLE="font-size:1px; ">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Total stockholders&#146; equity/(deficit) before
<FONT STYLE="white-space:nowrap">non-controlling</FONT> interest</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">(28,803,800</TD>
<TD NOWRAP VALIGN="bottom">)&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">(27,627,846</TD>
<TD NOWRAP VALIGN="bottom">)&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><FONT STYLE="white-space:nowrap">Non-controlling</FONT> interest</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">(31,686,675</TD>
<TD NOWRAP VALIGN="bottom">)&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">(30,283,427</TD>
<TD NOWRAP VALIGN="bottom">)&nbsp;</TD></TR>
<TR STYLE="font-size:1px; ">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Total stockholders&#146; equity/(deficit)</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">(60,490,475</TD>
<TD NOWRAP VALIGN="bottom">)&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">(57,911,273</TD>
<TD NOWRAP VALIGN="bottom">)&nbsp;</TD></TR>
<TR STYLE="font-size:1px; ">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Total liabilities and stockholders&#146; equity/(deficit)</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">11,023,974</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">11,759,464</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1px; ">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
</TABLE> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">The accompanying notes are an integral part of these consolidated financial statements.</P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">3 </P>

</DIV></Center>


<p style="margin-top:1em; margin-bottom:0em; page-break-before:always">
<HR SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">


<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>ODYSSEY MARINE EXPLORATION, INC. AND SUBSIDIARIES </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B><A NAME="tx134608_3"></A>CONSOLIDATED STATEMENTS OF OPERATIONS - Unaudited </B></P>
<P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" ALIGN="center">


<TR>

<TD WIDTH="80%"></TD>

<TD VALIGN="bottom" WIDTH="2%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>

<TD VALIGN="bottom" WIDTH="2%"></TD>
<TD></TD>
<TD></TD>
<TD></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="6" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>Three Months Ended</B></TD>
<TD VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>March&nbsp;31,&nbsp;2021</B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>March&nbsp;31,&nbsp;2020</B></TD>
<TD VALIGN="bottom">&nbsp;</TD></TR>


<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">REVENUE</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:3.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Marine services</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">35,354</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">711,120</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:3.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Operating and other</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">256,322</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">294,391</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1px; ">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:3.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Total revenue</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">291,676</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">1,005,511</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1px; ">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">OPERATING EXPENSES</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:3.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Marketing, general and administrative</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">1,291,614</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">1,397,385</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:3.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Operations and research</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">1,797,437</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">2,456,164</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1px; ">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:3.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Total operating expenses</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">3,089,051</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">3,853,549</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1px; ">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">INCOME (LOSS) FROM OPERATIONS</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">(2,797,375</TD>
<TD NOWRAP VALIGN="bottom">)&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">(2,848,038</TD>
<TD NOWRAP VALIGN="bottom">)&nbsp;</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">OTHER INCOME (EXPENSE)</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:3.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Interest expense</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">(2,380,476</TD>
<TD NOWRAP VALIGN="bottom">)&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">(1,335,618</TD>
<TD NOWRAP VALIGN="bottom">)&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:3.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Loss in hybrid-instrument fair value</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">&#151;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">(203,115</TD>
<TD NOWRAP VALIGN="bottom">)&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:3.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Other</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">54,385</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">42,049</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1px; ">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:3.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Total other income (expense)</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">(2,326,091</TD>
<TD NOWRAP VALIGN="bottom">)&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">(1,496,684</TD>
<TD NOWRAP VALIGN="bottom">)&nbsp;</TD></TR>
<TR STYLE="font-size:1px; ">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:3.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">(LOSS) BEFORE INCOME TAXES</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">(5,123,466</TD>
<TD NOWRAP VALIGN="bottom">)&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">(4,344,722</TD>
<TD NOWRAP VALIGN="bottom">)&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:3.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Income tax benefit (provision)</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">&#151;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">&#151;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1px; ">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">NET (LOSS) BEFORE <FONT STYLE="white-space:nowrap">NON-CONTROLLING</FONT> INTEREST</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">(5,123,466</TD>
<TD NOWRAP VALIGN="bottom">)&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">(4,344,722</TD>
<TD NOWRAP VALIGN="bottom">)&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:3.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><FONT STYLE="white-space:nowrap">Non-controlling</FONT> interest</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">1,403,248</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">1,446,746</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1px; ">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">NET (LOSS)</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">(3,720,218</TD>
<TD NOWRAP VALIGN="bottom">)&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">(2,897,976</TD>
<TD NOWRAP VALIGN="bottom">)&nbsp;</TD></TR>
<TR STYLE="font-size:1px; ">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">NET (LOSS) PER SHARE</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:3.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Basic and diluted (See NOTE B)</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">(0.29</TD>
<TD NOWRAP VALIGN="bottom">)&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">(0.30</TD>
<TD NOWRAP VALIGN="bottom">)&nbsp;</TD></TR>
<TR STYLE="font-size:1px; ">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Weighted average number of common shares outstanding</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:3.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Basic</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">12,610,924</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">9,517,664</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1px; ">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:3.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Diluted</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">12,610,924</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">9,517,664</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1px; ">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
</TABLE> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">The accompanying notes are an integral part of these consolidated financial statements. </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">4 </P>

</DIV></Center>


<p style="margin-top:1em; margin-bottom:0em; page-break-before:always">
<HR SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">


<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>ODYSSEY MARINE EXPLORATION, INC. AND SUBSIDIARIES </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B><A NAME="tx134608_4"></A>CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDER&#146;S EQUITY / (DEFICIT) - Unaudited </B></P>
<P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" ALIGN="center">


<TR>

<TD WIDTH="49%"></TD>

<TD VALIGN="bottom" WIDTH="2%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>

<TD VALIGN="bottom" WIDTH="2%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>

<TD VALIGN="bottom" WIDTH="2%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>

<TD VALIGN="bottom" WIDTH="2%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>

<TD VALIGN="bottom" WIDTH="2%"></TD>
<TD></TD>
<TD></TD>
<TD></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="18" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000">Three-month Period Ended March&nbsp;31, 2021</TD>
<TD VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000">Common&nbsp;Stock</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000">Additional <FONT STYLE="white-space:nowrap">Paid-</FONT><br>in Capital</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000">Accumulated<BR>Deficit</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><FONT STYLE="white-space:nowrap">Non-controlling</FONT><BR>Interest</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000">Total</TD>
<TD VALIGN="bottom">&nbsp;</TD></TR>


<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">December&nbsp;31, 2020</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">1,259</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">237,505,357</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">(265,134,462</TD>
<TD NOWRAP VALIGN="bottom">)&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">(30,283,427</TD>
<TD NOWRAP VALIGN="bottom">)&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">(57,911,273</TD>
<TD NOWRAP VALIGN="bottom">)&nbsp;</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Share-based compensation</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">1</TD>
<TD NOWRAP VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">281,687</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">281,688</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Common stock issued for converted convertible debt</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">41</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">1,448,656</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">1,448,697</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Common stock issued for services</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">1</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">99,999</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">100,000</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Sale of subsidiary equity</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">713,879</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">713,879</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Net (loss)</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">(3,720,218</TD>
<TD NOWRAP VALIGN="bottom">)&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">(1,403,248</TD>
<TD NOWRAP VALIGN="bottom">)&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">(5,123,466</TD>
<TD NOWRAP VALIGN="bottom">)&nbsp;</TD></TR>
<TR STYLE="font-size:1px; ">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">March&nbsp;31, 2021</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">1,302</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">240,049,578</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">(268,854,680</TD>
<TD NOWRAP VALIGN="bottom">)&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">(31,686,675</TD>
<TD NOWRAP VALIGN="bottom">)&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">(60,490,475</TD>
<TD NOWRAP VALIGN="bottom">)&nbsp;</TD></TR>
<TR STYLE="font-size:1px; ">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
</TABLE> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" ALIGN="center">


<TR>

<TD WIDTH="50%"></TD>

<TD VALIGN="bottom" WIDTH="2%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>

<TD VALIGN="bottom" WIDTH="2%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>

<TD VALIGN="bottom" WIDTH="2%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>

<TD VALIGN="bottom" WIDTH="2%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>

<TD VALIGN="bottom" WIDTH="2%"></TD>
<TD></TD>
<TD></TD>
<TD></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="18" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000">Three-month Period Ended March&nbsp;31, 2020</TD>
<TD VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000">Common&nbsp;Stock</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000">Additional <FONT STYLE="white-space:nowrap">Paid-</FONT><br>in Capital</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000">Accumulated<BR>Deficit</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><FONT STYLE="white-space:nowrap">Non-controlling</FONT><BR>Interest</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000">Total</TD>
<TD VALIGN="bottom">&nbsp;</TD></TR>


<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">December&nbsp;31, 2019</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">948</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">221,027,057</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">(250,322,307</TD>
<TD NOWRAP VALIGN="bottom">)&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">(24,003,114</TD>
<TD NOWRAP VALIGN="bottom">)&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">(53,297,416</TD>
<TD NOWRAP VALIGN="bottom">)&nbsp;</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Share-based compensation</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">6</TD>
<TD NOWRAP VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">383,758</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">383,764</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Fair value of warrants issued</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">796,812</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">796,812</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Net (loss)</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">(2,897,976</TD>
<TD NOWRAP VALIGN="bottom">)&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">(1,446,746</TD>
<TD NOWRAP VALIGN="bottom">)&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">(4,344,722</TD>
<TD NOWRAP VALIGN="bottom">)&nbsp;</TD></TR>
<TR STYLE="font-size:1px; ">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">March&nbsp;31, 2020</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">954</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">222,207,627</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">(253,220,283</TD>
<TD NOWRAP VALIGN="bottom">)&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">(25,449,860</TD>
<TD NOWRAP VALIGN="bottom">)&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">(56,461,562</TD>
<TD NOWRAP VALIGN="bottom">)&nbsp;</TD></TR>
<TR STYLE="font-size:1px; ">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
</TABLE> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">The accompanying notes are an integral part of these consolidated financial statements. </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">5 </P>

</DIV></Center>


<p style="margin-top:1em; margin-bottom:0em; page-break-before:always">
<HR SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">


<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>ODYSSEY MARINE EXPLORATION, INC. AND SUBSIDIARIES </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B><A NAME="tx134608_5"></A>CONSOLIDATED STATEMENTS OF CASH FLOWS - Unaudited </B></P>
<P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" ALIGN="center">


<TR>

<TD WIDTH="80%"></TD>

<TD VALIGN="bottom" WIDTH="2%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>

<TD VALIGN="bottom" WIDTH="2%"></TD>
<TD></TD>
<TD></TD>
<TD></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="6" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>Three Months Ended</B></TD>
<TD VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>March&nbsp;31,</B><br><B>2021</B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>March&nbsp;31,</B><br><B>2020</B></TD>
<TD VALIGN="bottom">&nbsp;</TD></TR>


<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">CASH FLOWS FROM OPERATING ACTIVITIES:</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Net loss before <FONT STYLE="white-space:nowrap">non-controlling</FONT> interest</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">(5,123,466</TD>
<TD NOWRAP VALIGN="bottom">)&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">(4,344,722</TD>
<TD NOWRAP VALIGN="bottom">)&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Adjustments to reconcile net loss to net cash (used) by operating activities:</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Investment in unconsolidated entity</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">(256,323</TD>
<TD NOWRAP VALIGN="bottom">)&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">&#151;&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Depreciation and amortization</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">1,833</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">2,760</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Note payable interest accretion</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">(45,204</TD>
<TD NOWRAP VALIGN="bottom">)&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">(54,890</TD>
<TD NOWRAP VALIGN="bottom">)&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Financed lender fee amortization</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">28,982</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">8,511</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Right of use amortization</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">35,179</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">32,063</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Share-based compensation</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">281,687</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">105,162</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Change in derivative liability fair value</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">&#151;&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">203,115</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">(Increase) decrease in:</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Accounts receivable</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">(60,734</TD>
<TD NOWRAP VALIGN="bottom">)&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">(201,013</TD>
<TD NOWRAP VALIGN="bottom">)&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Other assets</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">87,152</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">46,862</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Increase (decrease) in:</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Accounts payable</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">389,674</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">676,166</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Accrued expenses and other</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">3,230,064</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">2,019,293</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1px; ">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">NET CASH (USED) BY OPERATING ACTIVITIES</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">(1,431,156</TD>
<TD NOWRAP VALIGN="bottom">)&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">(1,506,693</TD>
<TD NOWRAP VALIGN="bottom">)&nbsp;</TD></TR>
<TR STYLE="font-size:1px; ">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">CASH FLOWS FROM INVESTING ACTIVITIES:</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Purchase of property and equipment</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">&#151;&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">&#151;&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1px; ">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">NET CASH (USED) PROVIDED BY INVESTING ACTIVITIES</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">&#151;&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">&#151;&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1px; ">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">CASH FLOWS FROM FINANCING ACTIVITIES:</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Proceeds from issuance of notes payable</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">&#151;&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">1,869,677</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Operating lease liability reduction</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">(33,668</TD>
<TD NOWRAP VALIGN="bottom">)&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">(29,127</TD>
<TD NOWRAP VALIGN="bottom">)&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Sale of subsidiary equity</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">713,879</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">&#151;&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Repayment of debt obligations</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">(177,438</TD>
<TD NOWRAP VALIGN="bottom">)&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">(109,958</TD>
<TD NOWRAP VALIGN="bottom">)&nbsp;</TD></TR>
<TR STYLE="font-size:1px; ">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">NET CASH PROVIDED BY FINANCING ACTIVITIES</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">502,773</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">1,730,592</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1px; ">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">NET INCREASE (DECREASE) IN CASH</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">(928,383</TD>
<TD NOWRAP VALIGN="bottom">)&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">223,899</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">CASH AT BEGINNING OF PERIOD</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">6,163,205</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">213,389</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1px; ">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">CASH AT END OF PERIOD</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">5,234,822</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">437,288</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1px; ">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">SUPPLEMENTARY INFORMATION:</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Interest paid</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">&#151;&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">&#151;&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Income taxes paid</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">&#151;&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">&#151;&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom"></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><FONT STYLE="white-space:nowrap">NON-CASH</FONT> TRANSACTIONS:</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Director compensation settled with equity</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"> 100,000</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"> 278,602</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Accrued interest settled with common stock</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"> 34,520</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">&#151;&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom"></TD></TR>
</TABLE> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><FONT STYLE="white-space:nowrap">Non-Cash</FONT> Disclosure: </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">During the quarter ended March&nbsp;31, 2020, we received $899,277 in <FONT STYLE="white-space:nowrap">non-cash</FONT> financing pertaining to
our Litigation financing as described in Note I: Note 9 &#150; Litigation financing. The funder settled a portion of the Company&#146;s litigation payables directly with the vendors. Related to this financing, we recorded a debt discount of $796,812
and a corresponding increase to additional paid in capital for the fair value of a certain warrant that was issued to the funder. We also incurred $200,000 of funder financed debt fees associated with this financing during the quarter ended
March&nbsp;31, 2020. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">During the three-months ended March&nbsp;31, 2021, we received $577,539 in
<FONT STYLE="white-space:nowrap">non-cash</FONT> financing associated with our litigation financing as described in Note I: Note 9 &#150; Litigation financing. The funder paid this amount directly to vendors used in our NAFTA litigation support.
</P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">During March 2021, Epsilon Acquisitions LLC converted indebtedness of $1,448,697 at an exercise price of $3.52 into 411,562&nbsp;shares
of our common stock. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">The accompanying notes are an integral part of these consolidated financial statements. </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">6 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>ODYSSEY MARINE EXPLORATION, INC. AND SUBSIDIARIES </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B><A NAME="tx134608_6"></A>NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>NOTE A - BASIS OF PRESENTATION </B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The
accompanying unaudited consolidated financial statements of Odyssey Marine Exploration, Inc. and subsidiaries (the &#147;Company,&#148; &#147;Odyssey,&#148; &#147;us,&#148; &#147;we&#148; or &#147;our&#148;) have been prepared in accordance with the
rules and regulations of the Securities and Exchange Commission and the instructions to <FONT STYLE="white-space:nowrap">Form&nbsp;10-Q</FONT> and, therefore, do not include all information and footnotes normally included in financial statements
prepared in accordance with generally accepted accounting principles. These interim consolidated financial statements should be read in conjunction with the consolidated financial statements and notes included in the Company&#146;s Annual Report on <FONT
STYLE="white-space:nowrap">Form&nbsp;10-K</FONT> for the year ended December&nbsp;31, 2020. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">In the opinion of management, these financial
statements reflect all adjustments, including normal recurring adjustments, necessary for a fair presentation of the financial position as of March&nbsp;31, 2021 and 2020 and the results of operations and cash flows for the interim periods
presented. Operating results for the three-month periods ended March&nbsp;31, 2021 and 2021 are not necessarily indicative of the results that may be expected for the full year. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><I>Accounting standards not yet applied </I></B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">In August 2020, the Financial Accounting Standards Board (FASB) issued Accounting Standards Update (ASU)
<FONT STYLE="white-space:nowrap">No.&nbsp;2020-06,</FONT> Debt-Debt with Conversion and Other Options (Subtopic <FONT STYLE="white-space:nowrap">470-20)</FONT> and Derivatives and Hedging-Contracts in Entity&#146;s Own Equity (Subtopic <FONT
STYLE="white-space:nowrap">815-40).</FONT> The amendments in the update are effective for public business entities that meet the definition of a Securities and Exchange Commission (SEC) filer, excluding entities eligible to be smaller reporting
companies as defined by the SEC, for fiscal years beginning after December&nbsp;15, 2021, including interim periods within those fiscal years. For all other entities, the amendments are effective for fiscal years beginning after December&nbsp;15,
2023, including interim periods within those fiscal years. Early adoption is permitted, but no earlier than fiscal years beginning after December&nbsp;15, 2020, including interim periods within those fiscal years. The FASB specified that an entity
should adopt the guidance as of the beginning of its annual fiscal year. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The amendments in ASU
<FONT STYLE="white-space:nowrap">No.&nbsp;2020-06</FONT> affect entities that issue convertible instruments and/or contracts in an entity&#146;s own equity. For convertible instruments, the instruments primarily affected are those issued with
beneficial conversion features or cash conversion features because the accounting models for those specific features are removed. However, all entities that issue convertible instruments are affected by the amendments to the disclosure requirements
in the update. For contracts in an entity&#146;s own equity, the contracts primarily affected are freestanding instruments and embedded features that are accounted for as derivatives under the current guidance because of failure to meet the
settlement conditions of the derivatives scope exception related to certain requirements of the settlement assessment. The FASB simplified the settlement assessment by removing the requirements (1)&nbsp;to consider whether the contract would be
settled in registered shares, (2)&nbsp;to consider whether collateral is required to be posted, and (3)&nbsp;to assess shareholder rights. Those amendments also affect the assessment of whether an embedded conversion feature in a convertible
instrument qualifies for the derivatives scope exception. Additionally, the amendments in the update affect the diluted EPS calculation for instruments that may be settled in cash or shares and for convertible instruments. The Company has not
elected early adoption of this ASU <FONT STYLE="white-space:nowrap">No.&nbsp;2020-06</FONT> at this time. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On October 31, 2018, the SEC
adopted a final rule (&#147;New Final Rule&#148;) that will replace SEC&nbsp;Industry&nbsp;Guide&nbsp;7&nbsp;with new disclosure requirements that are more closely aligned with current industry and global regulatory practices and standards,
including NI <FONT STYLE="white-space:nowrap">43-101.</FONT> Companies must comply with the New Final Rule for the company&#146;s annual filing for first fiscal year beginning on or after January&nbsp;1, 2021. Although early voluntary compliance
with the New Final Rule is permitted, the Company has not elected early adoption of the New Final Rule at this time. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Other recent
accounting pronouncements issued by the FASB, the AICPA and the SEC did not or are not believed by management to have a material effect, if any, on the Company&#146;s financial statements. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>NOTE B - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">This summary of significant accounting policies of the Company is presented to assist in understanding our consolidated financial statements.
The financial statements and notes are representations of the Company&#146;s management who are responsible for their integrity and objectivity and have prepared them in accordance with our customary accounting practices. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Principles of Consolidation </B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The
consolidated financial statements include the accounts of the Company and its direct and indirect wholly owned subsidiaries, both domestic and international. Equity investments in which we exercise significant influence but do not control and of
which we are not the primary beneficiary are accounted for using the equity method. All significant inter-company and intra-company transactions and balances have been eliminated. The results of operations attributable to the <FONT
STYLE="white-space:nowrap">non-controlling</FONT> interest are </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">7 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">
presented within equity and net income and are shown separately from the Company&#146;s equity and net income attributable to the Company. Some of the existing inter-company balances, which are
eliminated upon consolidation, include features allowing the liability to be converted into equity of a subsidiary, which if exercised, could increase the direct or indirect interest of the Company in the
<FONT STYLE="white-space:nowrap">non-wholly</FONT> owned subsidiaries. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Use of Estimates </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Management uses estimates and assumptions in preparing these consolidated financial statements in accordance with U.S. GAAP. Those estimates
and assumptions affect the reported amounts of assets and liabilities, the disclosure of contingent assets and liabilities, and the reported revenues and expenses. Actual results could vary from the estimates that were used. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Reclassifications </B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Certain
reclassifications have been made to the 2020 consolidated financial statements in order to conform to the classifications used in 2021. The reclassifications had no impact to operations or working capital. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Revenue Recognition and Accounts Receivable </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Revenue is recognized when a customer obtains control of promised goods or services, in an amount that reflects the consideration which the
Company expects to receive in exchange for those goods or services. To determine revenue recognition for arrangements that the Company determines are within the scope of ASC Topic 606, the Company performs the following five steps: (i)&nbsp;identify
the contract(s) with a customer; (ii)&nbsp;identify the performance obligations in the contract; (iii)&nbsp;determine the transaction price; (iv)&nbsp;allocate the transaction price to the performance obligations in the contract; and
(v)&nbsp;recognize revenue when (or as) the Company satisfies a performance obligation. The Company only applies the five-step model to contracts when it is probable that the Company will collect the consideration it is entitled to in exchange for
the goods or services it transfers to the customer. At contract inception, once the contract is determined to be within the scope of ASC Topic 606, the Company assesses the goods or services promised within each contract and determines those that
are performance obligations and assesses whether each promised good or service is distinct. The Company then recognizes as revenue the amount of the transaction price that is allocated to the respective performance obligation when (or as) the
performance obligation is satisfied. Sales, value add, and other taxes collected on behalf of third parties are excluded from revenue. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The Company currently generates revenues from service contracts with customers. Currently, there are two sources of revenue, marine services
and other services. The contracts for these services provide research, scientific services, marine operations planning, management execution and project management. These services are billed generally on a monthly basis and recognized as revenue as
the services are performed. Revenue is recognized at a point in time as services are provided, as the customers simultaneously receive and consume the benefits provided by the Company each month. The Company generally does not receive any upfront
consideration for these services, and there is no variable consideration for the services.&nbsp;Costs associated with both services include all direct consulting labor, and minimal supplies, and is charged to operations as a component of Operations
and Research. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Accounts receivable are based on amounts billed to customers. Generally accepted accounting principles state an estimate is
to be made for an allowance for doubtful accounts. We have determined no allowance is currently necessary. If we were to have a recorded allowance, the accounts receivable would be stated net of the recorded allowance. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Cash and Cash Equivalents </B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Cash and cash
equivalents include cash on hand and cash in banks. We also consider all highly liquid investments with a maturity of three months or less when purchased to be cash equivalents. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Exploration License </B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The Company follows
the guidance pursuant to ASU 350, &#147;<I>Intangibles-Goodwill and Other</I>&#148; in accounting for its Exploration License (see NOTE&nbsp;E). Management determined the rights to use the license to have an indefinite life. This assessment is based
on the historical success of renewing the license since 2006, and the fact that management believes there are no legal, regulatory, or contractual provisions that would limit the useful life of the asset. The exploration license is not dependent on
another asset or group of assets that could potentially limit the useful life of the exploration license. In the future, the recoverability of the license will be tested whenever circumstances indicate that its carrying amount may not be recoverable
per the guidance of the Accounting Standards Codification (&#147;ASC&#148;) for topic 360 for Property, Plant and Equipment<I>.</I> </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">8 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Long-Lived Assets </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Our policy is to recognize impairment losses relating to long-lived assets in accordance with the ASC 360 Property, Plant and Equipment.
Decisions are based on several factors, including, but not limited to, management&#146;s plans for future operations, recent operating results and projected cash flows. Impairment losses are included in depreciation at the time of impairment. We did
not have any impairments in 2021 or 2020. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Property and Equipment and Depreciation </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Property and equipment is stated at historical cost. Depreciation is calculated using the straight-line method at rates based on the
assets&#146; estimated useful lives which are normally between three and thirty years. Leasehold improvements are amortized over their estimated useful lives or lease term, if shorter. Items that may require major overhauls (such as marine
equipment) that enhance or extend the useful life of these assets qualify to be capitalized and depreciated over the useful life or remaining life of that asset, whichever was shorter. All other repairs and maintenance were accounted for under the
direct-expensing method and are expensed when incurred. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Earnings Per Share </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Basic earnings per share (&#147;EPS&#148;) is computed by dividing income available to common stockholders by the weighted-average number of
common shares outstanding for the period. In periods when the Company has income, the Company would calculate basic earnings per share using the <FONT STYLE="white-space:nowrap">two-class</FONT> method, if required, pursuant to ASC 260 <I>Earnings
Per Share.</I> The <FONT STYLE="white-space:nowrap">two-class</FONT> method was required effective with the issuance of certain senior convertible notes in the past because these notes qualified as a participating security, giving the holder the
right to receive dividends should dividends be declared on common stock. Under the <FONT STYLE="white-space:nowrap">two-class</FONT> method, earnings for a period are allocated on a pro rata basis to the common stockholders and to the holders of
convertible notes based on the weighted average number of common shares outstanding and number of shares that could be issued upon conversion. The Company does not use the <FONT STYLE="white-space:nowrap">two-class</FONT> method in periods when it
generates a loss because the holder of the convertible notes does not participate in losses. Currently, we do not have any outstanding convertible notes that qualify as a participating security. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Diluted EPS reflects the potential dilution that would occur if dilutive securities and other contracts to issue common stock were exercised
or converted into common stock or resulted in the issuance of common stock that then shared in our earnings. We use the <FONT STYLE="white-space:nowrap">if-converted</FONT> method to compute potential common shares from stock options, restricted
stock units, warrants, preferred stock, convertible notes or other convertible securities. For diluted earnings per share, the Company uses the more dilutive of the <FONT STYLE="white-space:nowrap">if-converted</FONT> method or <FONT
STYLE="white-space:nowrap">two-class</FONT> method. When a net loss occurs, potential common shares have an anti-dilutive effect on earnings per share and such shares are excluded from the diluted EPS calculation. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">For the three-months ended March&nbsp;31, 2021 and 2020, the weighted average common shares outstanding <FONT STYLE="white-space:nowrap"><FONT
STYLE="white-space:nowrap">year-to-date</FONT></FONT> were 12,610,924 and 9,517,664, respectively. For the periods in which net losses occurred, all potential common shares were excluded from diluted EPS because the effect of including such shares
would be anti-dilutive. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The potential common shares in the following tables represent potential common shares calculated using the <FONT
STYLE="white-space:nowrap">if-converted</FONT> method from outstanding options, stock awards and warrants that were excluded from the calculation of diluted EPS: </P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="76%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" ALIGN="center">


<TR>

<TD WIDTH="70%"></TD>

<TD VALIGN="bottom" WIDTH="10%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>

<TD VALIGN="bottom" WIDTH="10%"></TD>
<TD></TD>
<TD></TD>
<TD></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="6" ALIGN="center"><B>Three Months Ended</B></TD>
<TD VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>March&nbsp;31,&nbsp;2021</B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>March&nbsp;31,&nbsp;2020</B></TD>
<TD VALIGN="bottom">&nbsp;</TD></TR>


<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Average market price during the period</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"> 7.30</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"> 3.81</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">In the money potential common shares from options excluded</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">22,493</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">22,493</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">In the money potential common shares from warrants excluded</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">3,481,314</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">120,000</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
</TABLE> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Potential common shares from out of the money options and warrants were also excluded from the computation of
diluted EPS because calculation of the associated potential common shares has an anti-dilutive effect on EPS. The following table lists options and warrants that were excluded from diluted EPS: </P>
<P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="84%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Def.-Times; font-size:10pt" ALIGN="center">


<TR STYLE="visibility:hidden; line-height:0pt; color:white">

<TD WIDTH="61%"></TD>

<TD VALIGN="bottom" WIDTH="6%"></TD>
<TD></TD>
<TD nowrap >&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
<TD></TD>

<TD VALIGN="bottom" WIDTH="6%"></TD>
<TD></TD>
<TD nowrap >&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
<TD></TD>

<TD VALIGN="bottom" WIDTH="6%"></TD>
<TD></TD>
<TD nowrap >&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
<TD></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Def.-Times; font-size:8pt">
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD COLSPAN="2" VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="6" ALIGN="center"><FONT STYLE="font-family:Times New Roman; "><B>Three Months Ended</B></FONT></TD>
<TD VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Def.-Times; font-size:8pt">
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><FONT STYLE="font-family:Times New Roman; "><B>Per share</B></FONT><br><FONT STYLE="font-family:Times New Roman; "><B>exercise&nbsp;price</B></FONT></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><FONT STYLE="font-family:Times New Roman; "><B>March&nbsp;31,&nbsp;2020</B></FONT></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><FONT STYLE="font-family:Times New Roman; "><B>March&nbsp;31,&nbsp;2020</B></FONT></TD>
<TD VALIGN="bottom">&nbsp;</TD></TR>


<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Def.-Times; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Out of the money options excluded:</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Def.-Times; font-size:10pt">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman; ">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman; ">12.48</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman; ">&nbsp;</FONT></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman; ">&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman; ">136,833</FONT></TD>
<TD NOWRAP VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman; ">&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman; ">136,833</FONT></TD>
<TD NOWRAP VALIGN="bottom"></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Def.-Times; font-size:10pt">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman; ">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman; ">12.84</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman; ">&nbsp;</FONT></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman; ">&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman; ">4,167</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman; ">&nbsp;</FONT></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman; ">&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman; ">4,167</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman; ">&nbsp;</FONT></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Def.-Times; font-size:10pt">
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman; ">&nbsp;&nbsp;&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman; ">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman; ">26.40</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman; ">&nbsp;</FONT></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman; ">&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman; ">75,158</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman; ">&nbsp;</FONT></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman; ">&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman; ">75,158</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman; ">&nbsp;</FONT></TD></TR></TABLE>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">9 </P>

</DIV></Center>


<p style="margin-top:1em; margin-bottom:0em; page-break-before:always">
<HR SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">


<Center><DIV STYLE="width:8.5in" align="left">

<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="84%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Def.-Times; font-size:10pt" ALIGN="center">


<TR STYLE="visibility:hidden; line-height:0pt; color:white">

<TD WIDTH="62%"></TD>

<TD VALIGN="bottom" WIDTH="6%"></TD>
<TD></TD>
<TD nowrap >&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
<TD></TD>

<TD VALIGN="bottom" WIDTH="6%"></TD>
<TD></TD>
<TD nowrap >&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
<TD></TD>

<TD VALIGN="bottom" WIDTH="6%"></TD>
<TD></TD>
<TD nowrap >&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
<TD></TD></TR>

<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Def.-Times; font-size:10pt">
<TD VALIGN="top">
<P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><FONT STYLE="white-space:nowrap"><FONT STYLE="white-space:nowrap"><FONT STYLE="white-space:nowrap">Out-of-the-money</FONT>
</FONT></FONT> warrants excluded:</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"></TD>
<TD VALIGN="top"></TD>
<TD VALIGN="top"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Def.-Times; font-size:10pt">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman; ">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman; ">3.99</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman; ">&nbsp;</FONT></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman; ">&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman; ">&#151;&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman; ">&nbsp;</FONT></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman; ">&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman; ">426,065</FONT></TD>
<TD NOWRAP VALIGN="bottom"></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Def.-Times; font-size:10pt">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman; ">$</FONT></TD>
<TD VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman; ">5.76</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman; ">&nbsp;</FONT></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman; ">&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman; ">&#151;&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman; ">&nbsp;</FONT></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman; ">&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman; ">196,135</FONT></TD>
<TD NOWRAP VALIGN="bottom"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Def.-Times; font-size:10pt">
<TD VALIGN="top"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman; ">$</FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman; ">7.16</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman; ">&nbsp;</FONT></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman; ">&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman; ">&#151;&nbsp;&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman; ">&nbsp;</FONT></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman; ">&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman; ">700,000</FONT></TD>
<TD NOWRAP VALIGN="bottom"></TD></TR>
<TR STYLE="font-size:1px; ">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Def.-Times; font-size:10pt">
<TD VALIGN="top" COLSPAN="4"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Total excluded</P></TD>
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:0em; text-indent:0em; font-size:10pt; font-family:Times New Roman">&nbsp;</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman; ">&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman; ">216,158</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman; ">&nbsp;</FONT></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman; ">&nbsp;</FONT></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="font-family:Times New Roman; ">1,538,358</FONT></TD>
<TD NOWRAP VALIGN="bottom"><FONT STYLE="font-family:Times New Roman; ">&nbsp;</FONT></TD></TR>
<TR STYLE="font-size:1px; ">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
</TABLE> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The common shares relating to our unvested restricted stock awards that were excluded from potential common
shares in the earning per share calculation due to having an anti-dilutive effect are: </P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="76%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:8pt" ALIGN="center">


<TR>

<TD WIDTH="70%"></TD>

<TD VALIGN="bottom" WIDTH="7%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>

<TD VALIGN="bottom" WIDTH="7%"></TD>
<TD></TD>
<TD></TD>
<TD></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="6" ALIGN="center"><B>Three Months Ended</B></TD>
<TD VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>March&nbsp;31,&nbsp;2021</B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>March&nbsp;31,&nbsp;2020</B></TD>
<TD VALIGN="bottom">&nbsp;</TD></TR>


<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Potential common shares from unvested restricted stock awards excluded from EPS</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">447,164</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">343,353</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1px; ">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
</TABLE> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The following is a reconciliation of the numerators and denominators used in computing basic and diluted net
income per share: </P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="76%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" ALIGN="center">


<TR>

<TD WIDTH="71%"></TD>

<TD VALIGN="bottom" WIDTH="5%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>

<TD VALIGN="bottom" WIDTH="4%"></TD>
<TD></TD>
<TD></TD>
<TD></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="6" ALIGN="center"><B>Three Months Ended</B></TD>
<TD VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>March&nbsp;31,&nbsp;2021</B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>March&nbsp;31,&nbsp;2020</B></TD>
<TD VALIGN="bottom">&nbsp;</TD></TR>


<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Net income (loss)</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">(3,720,218</TD>
<TD NOWRAP VALIGN="bottom">)&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">(2,897,976</TD>
<TD NOWRAP VALIGN="bottom">)&nbsp;</TD></TR>
<TR STYLE="font-size:1px; ">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Numerator, basic and diluted net income (loss) available to stockholders</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">(3,720,218</TD>
<TD NOWRAP VALIGN="bottom">)&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">(2,897,976</TD>
<TD NOWRAP VALIGN="bottom">)&nbsp;</TD></TR>
<TR STYLE="font-size:1px; ">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Denominator:</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Shares used in computation &#150; basic:</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Weighted average common shares outstanding</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">12,610,924</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">9,517,664</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1px; ">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Common shares outstanding for basic</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">12,610,924</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">9,517,664</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1px; ">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Shares used in computation &#150; diluted:</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Common shares outstanding for basic</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">12,610,924</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">9,517,664</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1px; ">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Shares used in computing diluted net income per share</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">12,610,924</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">9,517,664</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1px; ">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Net (loss) per share &#150; basic</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">(0.29</TD>
<TD NOWRAP VALIGN="bottom">)&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">(0.30</TD>
<TD NOWRAP VALIGN="bottom">)&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Net (loss) per share &#150; diluted</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">(0.29</TD>
<TD NOWRAP VALIGN="bottom">)&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">(0.30</TD>
<TD NOWRAP VALIGN="bottom">)&nbsp;</TD></TR>
</TABLE> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Income Taxes </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Income taxes are accounted for using an asset and liability approach that requires the recognition of deferred tax assets and liabilities for
the expected future tax consequences attributable to differences between financial statement carrying amounts of existing assets and liabilities and their respective tax bases. A valuation allowance is provided when it is more likely than not that
some portion or the entire deferred tax asset will not be realized. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Stock-based Compensation </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Our stock-based compensation is recorded in accordance with the guidance in the ASC topic for <I>Stock-Based Compensation</I> (See NOTE J).
</P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Fair Value of Financial Instruments </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Financial instruments consist of cash, evidence of ownership in an entity, and contracts that both (i)&nbsp;impose on one entity a contractual
obligation to deliver cash or another financial instrument to a second entity, or to exchange other financial instruments on potentially unfavorable terms with the second entity, and (ii)&nbsp;conveys to that second entity a contractual right
(a)&nbsp;to receive cash or another financial instrument from the first entity, or (b)&nbsp;to exchange other financial instruments on potentially favorable terms with the first entity. Accordingly, our financial instruments consist of cash and cash
equivalents, accounts receivable, accounts payable, accrued liabilities, derivative financial instruments and mortgage and loans payable. We carry cash and cash equivalents, accounts payable and accrued liabilities, and mortgage and loans payable at
the approximate fair market value, and, accordingly, these estimates are not necessarily indicative of the amounts that we could realize in a current market exchange. We carry derivative financial instruments at fair value as is required under
current accounting standards. </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">10 </P>

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<p style="margin-top:1em; margin-bottom:0em; page-break-before:always">
<HR SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">


<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Derivative financial instruments consist of financial instruments or other contracts that
contain a notional amount and one or more underlying variables (e.g., interest rate, security price or other variable), require no initial net investment and permit net settlement. Derivative financial instruments may be free-standing or embedded in
other financial instruments. Further, derivative financial instruments are initially, and subsequently, measured at fair value and recorded as liabilities or, in rare instances, assets. We generally do not use derivative financial instruments to
hedge exposures to cash-flow, market or foreign-currency risks. However, we have entered into certain other financial instruments and contracts with features that are either (i)&nbsp;not afforded equity classification, (ii)&nbsp;embody risks not
clearly and closely related to host contracts, or (iii)&nbsp;may be <FONT STYLE="white-space:nowrap">net-cash</FONT> settled by the counterparty. As required by ASC 815 &#150; <I>Derivatives and Hedging</I>, these instruments are required to be
carried as derivative liabilities, at fair value, in our financial statements with changes in fair value reflected in our income. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">We
adopted ASC Topic 820 for certain financial instruments measured as fair value on a recurring basis. ASC Topic 820 defines fair value, established a framework for measuring fair value in accordance with accounting principles generally accepted in
the United States and expands disclosures about fair value measurements. Fair value is defined as the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the
measurement date. ASC Topic 820 established a three-tier fair value hierarchy which prioritizes the inputs used in measuring fair value. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The hierarchy gives the highest priority to unadjusted quoted prices in active markets for identical assets or liabilities (level 1
measurements) and the lowest priority to unobservable inputs (level 3 measurements). These tiers include: </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><I>Fair Value Hierarchy </I></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The three levels of inputs that may be used to measure fair value are as follows: </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><I>Level</I><I></I><I>&nbsp;1.</I><I></I><I>&nbsp;</I>Quoted prices in active markets for identical assets or liabilities. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><I>Level</I><I></I><I>&nbsp;2.</I><I></I><I>&nbsp;</I>Observable inputs other than Level&nbsp;1 prices, such as quoted prices for similar
assets or liabilities, quoted prices in markets with insufficient volume or infrequent transactions (less active markets), or model-derived valuations in which all significant inputs are observable or can be derived principally from or corroborated
with observable market data for substantially the full term of the assets or liabilities. Level&nbsp;2 inputs also include <FONT STYLE="white-space:nowrap">non-binding</FONT> market consensus prices that can be corroborated with observable market
data, as well as quoted prices that were adjusted for security-specific restrictions. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><I>Level</I><I></I><I>&nbsp;3.</I><I></I><I>&nbsp;</I>Unobservable inputs to the valuation methodology are significant to the measurement of
the fair value of assets or liabilities. Level&nbsp;3 inputs also include <FONT STYLE="white-space:nowrap">non-binding</FONT> market consensus prices or <FONT STYLE="white-space:nowrap">non-binding</FONT> broker quotes that we were unable to
corroborate with observable market data. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Subsequent Events </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">We have evaluated subsequent events for recognition or disclosure through the date this Form <FONT STYLE="white-space:nowrap">10-Q</FONT> is
filed with the Securities and Exchange Commission. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>NOTE C &#150; ACCOUNTS RECEIVABLE AND OTHER </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Our accounts receivable consist of the following: </P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="76%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" ALIGN="center">


<TR>

<TD WIDTH="72%"></TD>

<TD VALIGN="bottom" WIDTH="6%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>

<TD VALIGN="bottom" WIDTH="6%"></TD>
<TD></TD>
<TD></TD>
<TD></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>March&nbsp;31,&nbsp;2021</B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>December&nbsp;31,</B><br><B>2020</B></TD>
<TD VALIGN="bottom">&nbsp;</TD></TR>


<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Related party</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">220,956</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">160,220</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Other</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">35</TD>
<TD NOWRAP VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">37</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1px; ">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Total accounts receivable and other</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">220,991</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">160,257</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1px; ">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
</TABLE> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">We perform services for a <FONT STYLE="white-space:nowrap">deep-sea</FONT> mineral exploration company in
which our past Chairman of the Board, Greg Stemm, has a controlling ownership interest (See NOTE D). At March&nbsp;31, 2021 and December&nbsp;31, 2020, the company owed us $220,956 and $134,452, respectively. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>NOTE D &#150; RELATED PARTY TRANSACTIONS </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">We currently provide services to a <FONT STYLE="white-space:nowrap">deep-sea</FONT> mineral exploration company, CIC, which was organized and
is majority owned and controlled by Greg Stemm, Odyssey&#146;s past Chairman of the Board.&nbsp;Mr.&nbsp;Stemm&#146;s involvement with this company was disclosed to, and approved by, the Odyssey Board of Directors and legal counsel pursuant to the
terms of Mr.&nbsp;Stemm&#146;s consulting </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">11 </P>

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<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">
agreement at that time. We are providing these services pursuant to a Master Services Agreement that provides for&nbsp;back-office services in exchange for a recurring monthly fee as well as
other <FONT STYLE="white-space:nowrap">deep-sea</FONT> mineral related services on a cost-plus profit basis and will be compensated for these services with a combination of cash and equity in CIC. For the 2021 year to date, we invoiced CIC a total
of $291,676, which was for technical and support services.&nbsp;We have the option to accept equity in payment of the amounts due from CIC. See NOTE C for related accounts receivable at March&nbsp;31, 2021 and December&nbsp;31, 2020 and NOTE F for
our investment in an unconsolidated entity. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The above terms and amounts are not necessarily indicative of the terms and amounts that
would have been incurred had comparable transactions been entered into with independent parties. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>NOTE E &#150; EXPLORATION LICENSE </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On July&nbsp;9, 2019 we acquired a 79.9% interest in Bismarck Mining Corporation (PNG) Limited (&#147;Bismarck&#148;), a Papua New Guinea
company that was organized for the purpose of exploring the deep waters off the coast for precious metals. We evaluated the transaction under ASU <FONT STYLE="white-space:nowrap">2017-01</FONT> Business Combinations (Topic 805) and determined that
Bismarck did not meet the definition of a business, so the transaction represented an acquisition of assets rather than a business combination. Asset acquisitions do not give rise to goodwill. Rather, the sum of the fair value of the consideration
given, together with transaction costs is allocated to the individual assets acquired and liabilities assumed based on their relative fair values which were more clearly evident and, thus, more reliably measurable at the date of acquisition under
ASC <FONT STYLE="white-space:nowrap"><FONT STYLE="white-space:nowrap"><FONT STYLE="white-space:nowrap">805-50-30-2</FONT></FONT></FONT> <I>Initial Measurement</I>. In the future, the recoverability will be tested whenever events or changes in
circumstances indicate that its carrying amount may not be recoverable per the guidance of ASC <FONT STYLE="white-space:nowrap"><FONT STYLE="white-space:nowrap"><FONT STYLE="white-space:nowrap">360-10-35-21</FONT></FONT></FONT> <I>Subsequent
Measurement.</I> Management has considered whether any triggering events occurred that would cause impairment. Management did not identify any triggering events thus there is no impairment for the three-month period ended March&nbsp;31, 2021. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The consideration paid for the asset acquisition consisted of the following: </P>
<P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="68%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" ALIGN="center">


<TR>

<TD WIDTH="85%"></TD>

<TD VALIGN="bottom" WIDTH="5%"></TD>
<TD></TD>
<TD></TD>
<TD></TD></TR>


<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Fair value of 249,584 common shares issued</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">1,407,653</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Direct transaction costs</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">46,113</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1px; ">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:3.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Total consideration paid</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">1,453,766</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1px; ">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
</TABLE> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The consideration was allocated as follows: </P>
<P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD VALIGN="bottom" WIDTH="5%"></TD>
<TD></TD>
<TD></TD>
<TD></TD></TR>


<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Intangible asset- exploration license rights</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">1,821,251</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Current assets</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">1,748</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Current liabilities</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">(3,516</TD>
<TD NOWRAP VALIGN="bottom">)&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Less: <FONT STYLE="white-space:nowrap">Non-controlling</FONT> interest</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">(365,717</TD>
<TD NOWRAP VALIGN="bottom">)&nbsp;</TD></TR>
<TR STYLE="font-size:1px; ">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:3.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Total net assets acquired</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">1,453,766</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1px; ">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
</TABLE> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Included in this acquisition are the rights to Bismarck&#146;s exploration license, which is renewable every
two years. Per ASC <FONT STYLE="white-space:nowrap"><FONT STYLE="white-space:nowrap"><FONT STYLE="white-space:nowrap">350-30-35-3,</FONT></FONT></FONT> management has deemed the rights to this license to have an indefinite life. Determining if the
rights to the license has an indefinite or finite life required us to consider the nature of the renewal process and any additional economic factors, if any, required when renewing this license. We currently expect to use and renew the related
license indefinitely, and we do not believe there are currently any legal, regulatory, or contractual provisions that are expected to limit the useful life of the related exploration license or indicate that the useful life is other than indefinite.
The exploration license is also not dependent on, or specifically associated with, another asset or group of assets that would limit the useful life of the intangible asset or indicate that the useful life is other than indefinite. Management&#146;s
assumptions regarding our ability to successfully renew or extend the exploration license are based on Bismarck&#146;s historical experience. Bismarck was established in 2006, and they have historically renewed and extended the exploration license
without a lapse in their ability to use the license. The license has also never been revoked. We will not incur significant maintenance costs related to the license. There is an annual fee due of approximately $14,000 to maintain the license. This
amount is much less than the carrying amount of the license and the cost is not expected to prohibit continued renewals of the license in the future. Based on all the factors considered above, management believes it is appropriate to assign
indefinite useful life to the acquisition of the rights for the exploration license. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>NOTE F &#150; INVESTMENTS IN UNCONSOLIDATED ENTITIES </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><I>Neptune Minerals, Inc. (NMI) </I></B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Our
current investment in NMI consists of 3,092,488 Class&nbsp;B Common <FONT STYLE="white-space:nowrap">non-voting</FONT> shares and 2,612 Series A Preferred <FONT STYLE="white-space:nowrap">non-voting</FONT> shares. These preferred shares are
convertible into an aggregate of 261,200 shares of Class&nbsp;B <FONT STYLE="white-space:nowrap">non-voting</FONT> common stock. Our holdings now constitute an approximate 14% ownership in NMI. Our estimated share of unrecognized NMI equity-method
losses is approximately $21.3&nbsp;million. We have not recognized the accumulated $21.3&nbsp;million in our income statement because these losses exceeded our investment in NMI. Our investment has a carrying value of zero as a result of the
recognition of our </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">12 </P>

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share of prior losses incurred by NMI under the equity method of accounting. We believe it is appropriate to allocate this loss carryforward of $21.3&nbsp;million to any incremental NMI
investment that may be recognized on our balance sheet in excess of zero because the losses occurred when they were an equity-method investment. The aforementioned loss carryforward is based on NMI&#146;s last unaudited financial statements as of
December&nbsp;31, 2016. We do not believe losses NMI may have incurred from the calendar year of 2017 to current day to be material. We do not have any financial obligations to NMI, and we are not committed to provide financial support to NMI. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Although we are a shareholder of NMI, we have no representation on the board of directors or in management of NMI and do not hold any
Class&nbsp;A voting shares. We are not involved in the management of NMI nor do we participate in their policy-making. Accordingly, we are not the primary beneficiary of NMI. As of March&nbsp;31, 2021, the net carrying value of our investment in NMI
was zero in our consolidated financial statements. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><I>Chatham Rock Phosphate, Limited. </I></B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">During 2012, we performed <FONT STYLE="white-space:nowrap">deep-sea</FONT> mining exploratory services for Chatham Rock Phosphate, Ltd.
(&#147;CRP&#148;) valued at $1,680,000. As payment for these services, CRP issued 9,320,348 ordinary shares to us. During March 2017, Antipodes Gold Limited completed the acquisition of CRP. The surviving entity is now named Chatham Rock Phosphate
Limited (&#147;CRPL&#148;). In exchange for our 9,320,348 shares of CRP we received 141,884 shares of CPRL, which represents equity ownership of approximately 1% of the surviving entity. Since CRP was a thinly traded stock and pursuant to guidance
per ASC 320: <I>Debt and Equity Securities</I> regarding readily determinable fair value, we believe it was appropriate to not recognize this amount as an asset nor as revenue during that period. We continue to carry the value of our investment in
CPRL at zero in our consolidated financial statements. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><I>CIC LLC </I></B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">In 2018, we began providing services to CIC LLC (see NOTE D). This company is pursuing deep water mining permits in foreign waters. Due to the
initial structure of the company, we determined this venture to be a VIE consistent with ASU 2015-2. We have determined we are not the primary beneficiary of the VIE and, therefore, we have not consolidated this entity. Additionally, we also will
record the investment under the cost method as we have determined we do not exercise significant influence over the entity. We will assess our investment for impairment annually and, if a loss in value is deemed other than temporary, an impairment
charge will be recorded. At March&nbsp;31, 2021 and December&nbsp;31, 2020, the accumulated investment in the entity was $2,627,117 and $2,370,794, respectively, which is classified as an investment in unconsolidated entity in our consolidated
balance sheets. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">We account for the investments we make in certain legal entities in which equity investors do not have
(1)&nbsp;sufficient equity at risk for the legal entity to finance its activities without additional subordinated financial support, or (2)&nbsp;as a group, the holders of the equity investment at risk do not have either the power, through voting or
similar rights, to direct the activities of the legal entity that most significantly impact the entity&#146;s economic performance, or (3)&nbsp;the obligation to absorb the expected losses of the legal entity or the right to receive expected
residual returns of the legal entity. These legal entities are referred to as &#147;variable interest entities&#148; or &#147;VIEs.&#148; </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">We would consolidate the results of any such entity in which we determined we had a controlling financial interest. We would have a
&#147;controlling financial interest&#148; in such an entity if we had both the power to direct the activities that most significantly affect the VIE&#146;s economic performance and the obligation to absorb the losses of, or right to receive
benefits from, the VIE that could be potentially significant to the VIE. On a quarterly basis, we reassess whether we have a controlling financial interest in any investments we have in these legal entities. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">We determine whether any of the entities in which we have made investments is a VIE at the start of each new venture and if a reconsideration
event has occurred. At such times, we also consider whether we must consolidate a VIE and/or disclose information about our involvement in a VIE. A reporting entity must consolidate a VIE if that reporting entity has a variable interest (or
combination of variable interests) that will absorb a majority of the VIE&#146;s expected losses, receive a majority of the VIE&#146;s expected residual returns, or both. A reporting entity must consider the rights and obligations conveyed by its
variable interests and the relationship of its variable interests with variable interests held by other parties to determine whether its variable interests will absorb a majority of a VIE&#146;s expected losses, receive a majority of the VIE&#146;s
expected residual returns, or both. The reporting entity that consolidates a VIE is called the primary beneficiary of that VIE. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>NOTE G - INCOME TAXES
</B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">During the three-month period ended March 31, 2021, we generated a federal net operating loss (&#147;NOL&#148;) carryforward of
$4.2&nbsp;million and generated $1.4&nbsp;million of foreign NOL carryforwards. As of March 31, 2021, we had consolidated income tax NOL carryforwards for federal tax purposes of approximately $201.1&nbsp;million and net operating loss carryforwards
for foreign income tax purposes of approximately $63.2&nbsp;million. The federal NOL carryforwards from 2005 thru 2017 will expire in various years beginning in 2025 and ending through the year 2036. </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">13 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Deferred income tax assets and liabilities are recognized for the estimated future tax
consequences attributable to differences between financial statement carrying amounts of existing assets and liabilities and their respective tax bases. Deferred income tax assets and liabilities are measured using enacted tax rates expected to be
recovered or settled. We have recorded a net deferred tax asset of $0 at March&nbsp;31, 2021. As required by the <I>Accounting for Income Taxes </I>topic in the ASC, we have concluded it is more likely than not that those assets would not be
realizable without the recovery and rights of ownership or salvage rights of high value shipwrecks or substantial profits from our mining operations and thus a valuation allowance has been recorded as of March 31, 2021. There was no U.S. income tax
expense for the three months ended March 31, 2021 due to the generation of net operating losses. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The increase in the valuation allowance
as of March 31, 2021 is due to the generation of approximately $297,142 in net operating loss <FONT STYLE="white-space:nowrap"><FONT STYLE="white-space:nowrap">year-to-date.</FONT></FONT> </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The change in the valuation allowance is as follows: </P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="68%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" ALIGN="center">


<TR>

<TD WIDTH="84%"></TD>

<TD VALIGN="bottom" WIDTH="4%"></TD>
<TD></TD>
<TD></TD>
<TD></TD></TR>


<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">March 31, 2021</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">69,157,126</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">December 31, 2020</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">68,859,984</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1px; ">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Change in valuation allowance</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"> 297,142</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1px; ">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
</TABLE> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Our estimated annual effective tax rate before the valuation allowance as of March 31, 2021 is 7.99% while our
March 31, 2021 effective tax rate is 0.0% because of the full valuation allowance. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">We have not recognized a material adjustment in the
liability for unrecognized tax benefits and have not recorded any provisions for accrued interest and penalties related to uncertain tax positions. The earliest tax year still subject to examination by a major taxing jurisdiction is 2017. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>NOTE H &#150; COMMITMENTS AND CONTINGENCIES </B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Legal
Proceedings </B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The Company may be subject to a variety of claims and suits that arise from time to time in the ordinary course of
business. We are not a party to any litigation as a defendant where a loss contingency is required to be reflected in our consolidated financial statements. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Contingency </B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">During March 2016, our Board
of Directors approved the grant and issuance of 3.0&nbsp;million new equity shares of Oceanica Resources, S.R.L. (&#147;Oceanica&#148;) to two attorneys for their future services. This equity would only be issuable upon the Mexican&#146;s government
approval and issuance of the Environmental Impact Assessment (&#147;EIA&#148;) for our Mexican subsidiary. All possible grants of new equity shares were approved by the Administrators of Oceanica. We also owe consultants contingent success fees of
up to $700,000 upon the approval and issuance of the EIA. The EIA has not been approved as of the date of this report. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Going Concern Consideration
</B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">We have experienced several years of net losses and may continue to do so. Our ability to generate net income or positive cash flows
for the following twelve months is dependent upon financings, our success in developing and monetizing our interests in mineral exploration entities, generating income from exploration charters, collecting on amounts owed to us, or completing the
MINOSA/Penelope equity financing transaction approved by our stockholders on June&nbsp;9, 2015. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Our 2021 business plan requires us to
generate new cash inflows to effectively allow us to perform our planned projects. We continually plan to generate new cash inflows through the monetization of our receivables and equity stakes in seabed mineral companies, financings, syndications
or other partnership opportunities. If cash inflow ever becomes insufficient to meet our desired projected business plan requirements, we would be required to follow a contingency business plan that is based on curtailed expenses and fewer cash
requirements. On August&nbsp;21, 2020, we sold an aggregate of 2,553,314 shares of our common stock and warrants to purchase up to 1,901,989 shares of our common stock. The net proceeds received from this sale, after offering expenses of
$0.3&nbsp;million, were $11.3&nbsp;million (See NOTE J). These proceeds, coupled with the anticipated cash inflows are expected to provide operating funds through early 2022. </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">14 </P>

</DIV></Center>


<p style="margin-top:1em; margin-bottom:0em; page-break-before:always">
<HR SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">


<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On March&nbsp;11, 2015, we entered into a Stock Purchase Agreement with Minera del Norte
S.A. de c.v. (&#147;MINOSA&#148;) and Penelope Mining LLC (&#147;Penelope&#148;), an affiliate of MINOSA, pursuant to which (a)&nbsp;MINOSA agreed to extend short-term, debt financing to Odyssey of up to $14.75&nbsp;million, and (b)&nbsp;Penelope
agreed to invest up to $101&nbsp;million over three years in convertible preferred stock of Odyssey. The equity financing is subject to the satisfaction of certain conditions, including the approval of our stockholders which occurred on June&nbsp;9,
2015, and MINOSA and Penelope are currently under no obligation to make the preferred share equity investments. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Our consolidated <FONT
STYLE="white-space:nowrap">non-restricted</FONT> cash balance at March&nbsp;31, 2021 was $5.2&nbsp;million. We have a working capital deficit at March&nbsp;31, 2021 of $49.2&nbsp;million. Our largest loan of $14.75&nbsp;million from MINOSA had a due
date of December&nbsp;31, 2017 which is now linked to other stipulations, see NOTE I for further detail. The majority of our remaining assets have been pledged to MINOSA, and its affiliates, and to Monaco Financial LLC, leaving us with few
opportunities to raise additional funds from our balance sheet. The total consolidated book value of our assets was approximately $11.0&nbsp;million at March&nbsp;31, 2021, which includes cash of $5.2&nbsp;million, and the fair market value of these
assets may differ from their net carrying book value. Even though we executed the above noted financing arrangement with Penelope, Penelope must purchase the shares for us to be able to complete the equity component of the transaction. The Penelope
equity transaction is heavily dependent on the outcome of our subsidiary&#146;s application approval process for an environmental permit (EIA) to commercially develop a mineralized phosphate deposit off the coast of Mexico. The factors noted above
raise doubt about our ability to continue as a going concern. These consolidated financial statements do not include any adjustments to the amounts and classification of assets and liabilities that may be necessary should we be unable to continue as
a going concern. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Lease commitment </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">In August 2019, we entered into an operating lease for our corporate office space under a
<FONT STYLE="white-space:nowrap">non-cancellable</FONT> lease through August 2024 with monthly payments ranging from $11,789 to $13,269, not including sales tax. The lease provides for annual increases of base rent of 3% until the expiration date.
Pursuant to ASC 842, an operating lease right of usage (ROU) asset and liability were recognized in the amount of $590,612 at inception of the lease based on the present value of lease payments over the remaining lease term. The ROU asset represents
the Company&#146;s right to use the underlying office space asset for the lease term, and the lease liability represents the Company&#146;s obligation to make lease payments arising from the lease. Since the implicit rate of interest in the
arrangement was not readily determinable, we utilized our incremental borrowing rate of 10% in determining the present value of lease payments. The operating lease ROU asset includes any lease payments made and excludes lease incentives. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">At March&nbsp;31, 2021, the ROU asset and lease obligation were, $421,397 and $433,145, respectively. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The remaining lease payment obligations are as follows: </P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="68%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" ALIGN="center">


<TR>

<TD WIDTH="82%"></TD>

<TD VALIGN="bottom" WIDTH="10%"></TD>
<TD></TD>
<TD></TD>
<TD></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-bottom:1.00pt solid #000000; display:table-cell; font-size:8pt; font-family:Times New Roman; "><B>Year ending December&nbsp;31,</B></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>Annual&nbsp;payment<BR>obligation</B></TD>
<TD VALIGN="bottom">&nbsp;</TD></TR>


<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">2021</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">111,109</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">2022</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">151,965</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">2023</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">156,524</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">2024</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">92,884</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD></TR>
<TR STYLE="font-size:1px; ">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">512,482</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1px; ">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
</TABLE> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">During the third quarter of 2019, we entered into a five-year lease at the location of our corporate office
space in Tampa, Florida to support our marine operations. The lease was effective October&nbsp;1, 2019 and has monthly lease payments ranging from $4,040 to $4,547, not including sales tax, over the five-year term. We are accounting for this lease
under ASC 842 which resulted in a right of use asset and lease obligation of $202,424. The discount used in determining the right of use asset was 10%. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">At March&nbsp;31, 2021, the ROU asset and lease obligation were, $150,463 and $154,233, respectively. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The remaining lease payment obligations are as follows: </P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="68%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" ALIGN="center">


<TR>

<TD WIDTH="82%"></TD>

<TD VALIGN="bottom" WIDTH="10%"></TD>
<TD></TD>
<TD></TD>
<TD></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-bottom:1.00pt solid #000000; display:table-cell; font-size:8pt; font-family:Times New Roman; "><B>Year ending December&nbsp;31,</B></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>Annual&nbsp;payment<BR>obligation</B></TD>
<TD VALIGN="bottom">&nbsp;</TD></TR>


<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">2021</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">37,832</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">2022</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">51,827</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">2023</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">53,382</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">2024</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">40,930</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD></TR>
<TR STYLE="font-size:1px; ">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">183,971</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1px; ">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
</TABLE>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">15 </P>

</DIV></Center>


<p style="margin-top:1em; margin-bottom:0em; page-break-before:always">
<HR SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">


<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">We have recognized approximately $41,000 and $54,000 in rent expense associated with these
leases for the three-month periods ended March&nbsp;31, 2021 and 2020, respectively. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>NOTE I &#150;LOANS PAYABLE </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The Company&#146;s consolidated notes payable consisted of the following carrying values at: </P>
<P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="76%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" ALIGN="center">


<TR>

<TD WIDTH="70%"></TD>

<TD VALIGN="bottom" WIDTH="4%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>

<TD VALIGN="bottom" WIDTH="4%"></TD>
<TD></TD>
<TD></TD>
<TD></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>March&nbsp;31,&nbsp;2021</B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>December&nbsp;31,<BR>2020</B></TD>
<TD VALIGN="bottom">&nbsp;</TD></TR>


<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Note 1 &#150; Monaco 2014</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"> 2,800,000</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"> 2,800,000</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Note 2 &#150; Monaco 2016</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">1,175,000</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">1,175,000</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Note 3 &#150; MINOSA 1</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">14,750,001</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">14,750,001</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Note 4 &#150; Epsilon</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">&#151;&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">1,000,000</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Note 5 &#150; SMOM</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">3,500,000</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">3,500,000</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Note 6 &#150; MINOSA 2</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">5,050,000</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">5,050,000</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Note 7 &#150; Monaco 2018</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">1,099,366</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">1,099,366</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Note 8 &#150; Promissory note</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">1,150,180</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">1,245,863</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Note 9 &#150; Litigation financing</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">11,625,729</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">10,968,729</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Note 10 &#150; Payroll Protection Program</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">370,400</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">370,400</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Note 11 &#150; Emergency Injury Disaster Loan</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">149,900</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">149,900</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Note 12 &#150; Vendor note payable</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">484,009</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">484,009</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1px; ">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">&nbsp;42,154,585</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">&nbsp;42,593,268</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1px; ">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
</TABLE> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Note 1 &#150; Monaco 2014 </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On August&nbsp;14, 2014, we entered into a Loan Agreement with Monaco Financial, LLC (&#147;Monaco&#148;), a strategic marketing partner,
pursuant to which Monaco agreed to lend us up to $10.0&nbsp;million. The loan was issued in three tranches: (i) $5.0&nbsp;million (the &#147;First Tranche&#148;) was advanced upon execution of the Loan Agreement; (ii) $2.5&nbsp;million (the
&#147;Second Tranche&#148;) was advanced on October&nbsp;1, 2014; and (iii) $2.5&nbsp;million (the &#147;Third Tranche&#148;) was advanced on December&nbsp;1, 2014. The Notes bear interest at a rate equal to 11% per annum. The Notes also contain an
option whereby Monaco can purchase shares of Oceanica held by Odyssey (the &#147;Share Purchase Option&#148;) at a purchase price that is the lower of (a) $3.15 per share or (b)&nbsp;the price per share of a contemplated equity offering of Oceanica
which totals $1.0&nbsp;million or more in the aggregate. The share purchase option was not clearly and closely related to the host debt agreement and required bifurcation. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On December&nbsp;10, 2015, these promissory notes were amended as part of the asset acquisition agreement with Monaco (See NOTE R in our Form <FONT
STYLE="white-space:nowrap">10-K</FONT> filed with the Securities and Exchange Commission for the period ended December&nbsp;31, 2017 for further information). The amendment included the following material changes: (i) $2.2&nbsp;million of the
indebtedness represented by the Notes was extinguished, (ii) $5.0&nbsp;million of the indebtedness represented by the Notes ceased to bear interest and is only repayable under certain circumstances from certain sources of cash, and (iii)&nbsp;the
maturity date on the Notes was extended to December&nbsp;31, 2017. During March 2016, the maturity date was further extended to April&nbsp;1, 2018 and the exercise price of the Share Purchase Option was
<FONT STYLE="white-space:nowrap">re-priced</FONT> to $1.00 per share. This indebtedness has matured, but Monaco has not demanded payment because we are in negotiations with Monaco. As of the maturity date, the interest rate was adjusted to the
default rate of 18% per annum. See &#147;Loan Modification (March 2016)&#148; below. For the three months ended March&nbsp;31, 2021 and 2020 interest expense in the amount of $141,315 and $142,885, respectively, was recorded. The outstanding
interest-bearing balance of these Notes was $2.8&nbsp;million at March&nbsp;31, 2021 and December&nbsp;31, 2020, respectively. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Note 2 &#150; Monaco
2016 </B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">In March 2016, Monaco agreed to lend us an additional $1,825,000. These loan proceeds were received in full during the first
quarter of 2016. The indebtedness bears interest at 10.0% percent per year. All principal and any unpaid interest were due on April&nbsp;15, 2018. This indebtedness has matured, but Monaco has not demanded payment because we are in negotiations with
Monaco. As of the maturity date, the interest rate was adjusted to the default rate of 18% per annum. The current outstanding balance as of March&nbsp;31, 2021 and December&nbsp;31, 2020 was $1,175,000. The indebtedness is convertible at any time
until the maturity date into shares of Oceanica held by us at a conversion price of $1.00 per share. Pursuant to this loan and as security for the indebtedness, Monaco was granted a second priority security interest in
<FONT STYLE="white-space:nowrap">(a)&nbsp;one-half</FONT> of the indebtedness evidenced by the Amended and Restated Consolidated Note and Guaranty, dated September&nbsp;25, 2015 (the &#147;ExO Note&#148;), in the original principal amount of
$18.0&nbsp;million, issued by Exploraciones Oceanicas S. de R.L. de C.V. to Oceanica Marine Operations, S.R.L. (&#147;OMO&#148;), and all rights associated therewith (the &#147;OMO Collateral&#148;); and (b)&nbsp;all technology and assets in our
possession or control used for offshore exploration, including an ROV system, <FONT STYLE="white-space:nowrap">deep-tow</FONT> search systems, winches, multi-beam sonar, and other equipment. The </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">16 </P>

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carrying net book value of this equipment is less than $0.1&nbsp;million. We unconditionally and irrevocably guaranteed all obligations of ours and our subsidiaries to Monaco under this loan
agreement. As further consideration for the loan, Monaco was granted an option (the &#147;Option&#148;) to purchase the OMO Collateral. The Option is exercisable at any time before the earlier of (a)&nbsp;the date that is 30 days after the loan is
paid in full or (b)&nbsp;the maturity date of the ExO Note, for aggregate consideration of $9.3&nbsp;million, $1.8&nbsp;million of which would be paid at the closing of the exercise of the Option, with the balance paid in ten monthly installments of
$750,000. During 2017, we sold a marine vessel to a related party of Monaco for $650,000.&nbsp;The consideration for this vessel was applied against our loan balance to Monaco in the amount of $650,000. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><I>Accounting considerations </I></B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">ASC 815
generally requires the analysis of embedded terms and features that have characteristics of derivatives to be evaluated for bifurcation and separate accounting in instances where their economic risks and characteristics are not clearly and closely
related to the risks of the host contract. The option to purchase the OMO Collateral is an embedded feature that is not clearly and closely related to the host debt agreement and thus requires bifurcation. Because the option is out of the money, it
has no material fair value as of the inception date or currently. The debt agreement did not contain any additional embedded terms or features that have characteristics of derivatives. However, we were required to consider whether the hybrid
contract embodied a beneficial conversion feature (&#147;BCF&#148;). The calculation of the effective conversion amount did result in a BCF because the effective conversion price was less than the market price on the date of issuance, therefore a
BCF of $456,250 was recorded. This BCF has been fully amortized as of March&nbsp;31, 2018. For the three months ended March&nbsp;31, 2021 and 2020 interest expense in the amount of $65,988 and $66,721, respectively, was recorded. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman"><B><I>Loan modification (December 2015) </I></B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">In connection with the Acquisition Agreement entered into with Monaco on December&nbsp;10, 2015, Monaco agreed to modify certain terms of the
loans as partial consideration for the purchase of assets. For the First Tranche ($5,000,000 advanced on August 14, 2014), Monaco agreed to cease interest as of December&nbsp;10, 2015 and reduce the loan balance by (i)&nbsp;the cash or other value
received from the SS <I>Central America</I> shipwreck project (&#147;SSCA&#148;) or (ii)&nbsp;if the proceeds received from the SSCA project were insufficient to pay off the loan balance by December&nbsp;31, 2017, then Monaco could seek repayment of
the remaining outstanding balance on the loan by withholding Odyssey&#146;s 21.25% &#147;additional consideration&#148; in new shipwreck projects performed for Monaco in the future. For the Second Tranche ($2,500,000 advanced on October&nbsp;1,
2014), Monaco agreed to reduce the principal amount by $2,200,000 leaving a new principal balance of $300,000 and extension of maturity to December&nbsp;31, 2017. For the Third Tranche ($2,500,000 advanced on December&nbsp;1, 2014), Monaco agreed to
the extension of maturity to December&nbsp;31, 2017. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On December&nbsp;10, 2015, the Monaco call option related to the Oceanica shares
held by us was extended until December&nbsp;31, 2017. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman"><B><I>Loan modification (March 2016) </I></B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">In connection with the $1.825&nbsp;million loan agreement with Monaco in March 2016, the existing $2.8&nbsp;million notes were modified. Of the
combined total indebtedness of Monaco&#146;s Note 1 and Note 2, Monaco can convert this debt into 3,174,603 shares of Oceanica at a fixed conversion price of $1.00 per share, or $3,174,603. Any remaining debt in excess of $3,174,603 is not
convertible. Additionally, the modification eliminated Monaco&#146;s option (&#147;share purchase option&#148;) to purchase 3,174,603 shares of Oceanica stock at a price of $3.15 per share. The modification was analyzed under ASC 480
<I>Distinguishing Liabilities from Equity</I> (&#147;ASC 480&#148;) to determine if extinguishment accounting was applicable. Under ASC
<FONT STYLE="white-space:nowrap"><FONT STYLE="white-space:nowrap"><FONT STYLE="white-space:nowrap">470-50-40-10</FONT></FONT></FONT> a modification or an exchange that adds or eliminates a substantive conversion option as of the conversion date is
always considered substantial and requires extinguishment accounting. Since this modification added a substantive conversion option, extinguishment accounting is applicable. In accordance with the extinguishment accounting guidance (a)&nbsp;the
share purchase option was first marked to its <FONT STYLE="white-space:nowrap">pre-modification</FONT> fair value, (b)&nbsp;the new debt was recorded at fair value and (c)&nbsp;the old debt and share purchased option was removed. The difference
between the fair value of the new debt and the sum of the <FONT STYLE="white-space:nowrap">pre-modification</FONT> carrying amount of the old debt and the share purchase option&#146;s fair value represented a gain on extinguishment. ASC <FONT
STYLE="white-space:nowrap"><FONT STYLE="white-space:nowrap"><FONT STYLE="white-space:nowrap">470-50-40-2</FONT></FONT></FONT> indicates that debt restructuring with a related party may be in essence a capital transaction and as a result the gain of
$1.2&nbsp;million was recognized in additional paid in capital upon extinguishment. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Note 3 &#150; MINOSA </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On March&nbsp;11, 2015, in connection with a Stock Purchase Agreement, Minera del Norte, S.A. de C.V. (&#147;MINOSA&#148;) agreed to lend us up
to $14.75&nbsp;million. The entire $14.75&nbsp;million was loaned in five advances from March&nbsp;11 through June&nbsp;30, 2015. The outstanding indebtedness bears interest at 8.0% percent per annum. The Promissory Note was amended on
April&nbsp;10, 2015 and on October&nbsp;1, 2015 so that, unless otherwise converted as provided in the Note, the adjusted principal balance shall be due and payable in full upon written demand by MINOSA; provided that MINOSA agreed that it shall not
demand payment of the adjusted principal balance earlier than the first to occur of: (i)&nbsp;30 days after the date on which (x)&nbsp;SEMARNAT makes a determination with respect to the current application for the Manifestacion de Impacto Ambiental
relating to phosphate deposit project, which determination </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">17 </P>

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is other than an approval or (y)&nbsp;Odyssey Marine Enterprises or any of its affiliates withdraws such application without MINOSA&#146;s prior written consent; (ii)&nbsp;termination by Odyssey
of the Stock Purchase Agreement, dated March&nbsp;11, 2015 (the &#147;Purchase Agreement&#148;), among Odyssey, MINOSA, and Penelope Mining, LLC (the &#147;Investor&#148;); (iii)&nbsp;the occurrence of an event of default under the Promissory Note;
(iv)&nbsp;December 31, 2015; or (v)&nbsp;if and only if the Investor shall have terminated the Purchase Agreement pursuant to Section&nbsp;8.1(d)(iii) thereof, March&nbsp;30, 2016. This indebtedness is classified as short-term debt. In connection
with the loans, we granted MINOSA an option to purchase our 54% interest in Oceanica for $40.0&nbsp;million (the &#147;Oceanica Call Option&#148;). On March&nbsp;11, 2016, the Oceanica Call has expired. Completion of the transaction requires
amending the Company&#146;s articles of incorporation to (a)&nbsp;effect a reverse stock split, which was implemented on February&nbsp;19, 2016, (b)&nbsp;adjusting the Company&#146;s authorized capitalization, which was also implemented on
February&nbsp;19, 2016, and (c)&nbsp;establishing a classified board of directors (collectively, the &#147;Amendments&#148;). The Amendments have been or will be set forth in certificates of amendment to the Company&#146;s articles of incorporation
filed or to be filed with the Nevada Secretary of State. As collateral for the loan, we granted MINOSA a security interest in the Company&#146;s 54% interest in Oceanica. The outstanding principal balance of this debt was $14.75&nbsp;million at
March&nbsp;31, 2021 and December&nbsp;31, 2020, respectively. The maturity date of this indebtedness has been amended and matured on March&nbsp;18, 2017. Per Note 6 MINOSA 2 below, the Minosa Purchase Agreement amended the due date of this note to a
due date which may be no earlier than December&nbsp;31, 2017, that is at least 60 days subsequent to written notice that Minosa intends to demand payment. See Note 6 &#150; MINOSA 2 for further qualifications. During December 2017, MINOSA
transferred this debt to its parent company. For the three months ended March&nbsp;31, 2021 and, 2020, interest expense in the amount of $290,959 and $294,191, respectively, was recorded. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman"><B><I>Accounting considerations </I></B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">We have accounted for this transaction as a financing transaction, wherein the net proceeds received were allocated to the financial
instruments issued. Prior to making the accounting allocation, we evaluated for proper classification under ASC 480 <I>Distinguishing Liabilities from Equity</I> (&#147;ASC 480&#148;), ASC 815 <I>Derivatives and Hedging</I> (&#147;ASC 815&#148;) and
ASC 320 <I>Property, Plant and Equipment</I> (&#147;ASC 320&#148;). </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">This debt agreement did not contain any embedded terms or features
that have characteristics of derivatives. The Oceanica Call Option is considered a freestanding financial instrument because it is both (i)&nbsp;legally detachable and (ii)&nbsp;separately exercisable. The Oceanica Call Option did not fall under the
guidance of ASC 480. Additionally, it did not meet the definition of a derivative under ASC 815 because the option has a fixed value of $40.0&nbsp;million and does not contain an underlying variable which is indicative of a derivative. This
instrument is considered an option contract for a sale of an asset. The guidance applied in this case is ASC <FONT STYLE="white-space:nowrap">360-20,</FONT> which provides that in situations when a party lends funds to a seller and is given an
option to buy the property at a certain date in the future, the loan shall be recorded at its present value using market interest rates and any excess of the proceeds over that amount credited to an option deposit account. If the option is
exercised, the deposit shall be included as part of the sales proceeds; if not exercised, it shall be credited to income in the period in which the option lapses. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Based on the previous conclusions, we allocated the cash proceeds first to the debt at its present value using a market rate of 15%, which is
management&#146;s estimate of a market rate loan for the Company, with the residual allocated to the Oceanica Call Option, as follows: </P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" ALIGN="center">


<TR>

<TD WIDTH="44%"></TD>

<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>

<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>

<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>

<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>

<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>

<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD></TD>
<TD></TD>
<TD></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000">Tranche 1</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000">Tranche 2</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000">Tranche 3</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000">Tranche 4</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000">Tranche 5</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000">Total</TD>
<TD VALIGN="bottom">&nbsp;</TD></TR>


<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Promissory Note</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">&nbsp;1,932,759</TD>
<TD NOWRAP VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">&nbsp;5,826,341</TD>
<TD NOWRAP VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">&nbsp;2,924,172</TD>
<TD NOWRAP VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">&nbsp;1,960,089</TD>
<TD NOWRAP VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"> 1,723,492</TD>
<TD NOWRAP VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">&nbsp;14,366,853</TD>
<TD NOWRAP VALIGN="bottom"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Deferred Income (Oceanica Call Option)</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">67,241</TD>
<TD NOWRAP VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">173,659</TD>
<TD NOWRAP VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">75,828</TD>
<TD NOWRAP VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">39,911</TD>
<TD NOWRAP VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">26,509</TD>
<TD NOWRAP VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">383,148</TD>
<TD NOWRAP VALIGN="bottom"></TD></TR>
<TR STYLE="font-size:1px; ">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Proceeds</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">&nbsp;2,000,000</TD>
<TD NOWRAP VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">&nbsp;6,000,000</TD>
<TD NOWRAP VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">&nbsp;3,000,000</TD>
<TD NOWRAP VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">&nbsp;2,000,000</TD>
<TD NOWRAP VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">&nbsp;1,750,0001</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">&nbsp;14,750,001</TD>
<TD NOWRAP VALIGN="bottom"></TD></TR>
<TR STYLE="font-size:1px; ">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
</TABLE> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The call option amount of $383,148 represented a debt discount. This discount has been fully accreted up to
face value using the effective interest method. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Note 4 &#150; Epsilon </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On March&nbsp;18, 2016 we entered into a Note Purchase Agreement (&#147;Purchase Agreement&#148;) with Epsilon Acquisitions LLC
(&#147;Epsilon&#148;). Pursuant to the Purchase Agreement, Epsilon loaned us $3.0&nbsp;million in two installments of $1.5&nbsp;million on March&nbsp;31, 2016 and April&nbsp;30, 2016. The indebtedness bears interest at a rate of 10% per annum and
was due on March&nbsp;18, 2017. We were also responsible for $50,000 of the lender&#146;s out of pocket costs. This amount is included in the loan balance. In pledge agreements related to the loans, we granted security interests to Epsilon in
(a)&nbsp;the 54&nbsp;million cuotas (a unit of ownership under Panamanian law) of Oceanica Resources S. de R.L. (&#147;Oceanica&#148;) held by our wholly owned subsidiary, Odyssey Marine Enterprises, Ltd. (&#147;OME&#148;), (b)&nbsp;all notes and
other receivables from Oceanica and its subsidiary owed to the Odyssey Pledgors, and (c)&nbsp;all of the outstanding equity in OME. Epsilon has the right to convert the outstanding indebtedness into shares of our common stock upon 75 days&#146;
notice to us or upon a merger, consolidation, third party tender offer, or similar transaction relating to us at the conversion price of $5.00 per share, which represents the <FONT STYLE="white-space:nowrap">five-day</FONT> volume-weighted average
price of Odyssey&#146;s common stock for the five trading day period ending on March&nbsp;17, 2016. On January&nbsp;25, 2017, Epsilon provided notice to us that it would convert the initial $3.0&nbsp;million plus accrued interest per the Restated
Note Purchase Agreement at $5.00 per share in accordance with the terms of the agreement. The conversion and issuance of new shares was effective April&nbsp;10, 2017 and included accrued interest of $302,274 for
</P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">18 </P>

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<p style="margin-top:1em; margin-bottom:0em; page-break-before:always">
<HR SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">


<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">
a total 670,455 shares. Upon the occurrence and during the continuance of an event of default, the conversion price was to be reduced to $2.50 per share. Following any conversion of the
indebtedness, Penelope Mining LLC (an affiliate of Epsilon) (&#147;Penelope&#148;), may elect to reduce its commitment to purchase preferred stock of Odyssey under the Stock Purchase Agreement, dated as of March&nbsp;11, 2015 (as amended, the
&#147;Stock Purchase Agreement&#148;), among Odyssey, Penelope, and Minera del Norte, S.A. de C.V. (&#147;MINOSA&#148;) by the amount of indebtedness converted. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Pursuant to the Purchase Agreement (a)&nbsp;we agreed to waive our rights to terminate the Stock Purchase Agreement in accordance with the
terms thereof until December&nbsp;31, 2016, and (b)&nbsp;MINOSA agreed to extend, until March&nbsp;18, 2017, the maturity date of the $14.75&nbsp;million loan extended by MINOSA to OME pursuant to the Stock Purchase Agreement. The indebtedness may
be accelerated upon the occurrence of specified events of default including (a)&nbsp;OME&#146;s failure to pay any amount payable on the date due and payable; (b)&nbsp;OME or we fail to perform or observe any term, covenant, or agreement in the
Purchase Agreement or the related documents, subject to a <FONT STYLE="white-space:nowrap">five-day</FONT> cure period;&nbsp;(c)&nbsp;an event of default or material breach by OME, us or any of our affiliates under any of the other loan documents
shall have occurred and all grace periods, if any, applicable thereto shall have expired; (d)&nbsp;the Stock Purchase Agreement shall have been terminated; (e)&nbsp;specified dissolution, liquidation, insolvency, bankruptcy, reorganization, or
similar cases or actions are commenced by or against OME or any of its subsidiaries, in specified circumstances unless dismissed or stayed within 60 days; (f)&nbsp;the entry of judgment or award against OME or any of its subsidiaries in excess or
$100,000; and (g)&nbsp;a change in control (as defined in the Purchase Agreement) occurs. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">In connection with the execution and delivery
of the Purchase Agreement, we and Epsilon entered into a registration rights agreement pursuant to which we agreed to register new shares of our common stock with a formal registration statement with the Securities and Exchange Commission upon the
conversion of the indebtedness. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman"><B><I>Accounting considerations </I></B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">We have accounted for this transaction as a financing transaction, wherein the net proceeds received were allocated to the financial
instruments issued. Prior to making the accounting allocation, we evaluated the transaction for proper classification under ASC 480 <I>Distinguishing Liabilities from Equity</I> (&#147;ASC 480&#148;), ASC 815 <I>Derivatives and Hedging</I>
(&#147;ASC 815&#148;) and ASC 320 <I>Property, Plant and Equipment</I> (&#147;ASC 320&#148;). </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">This debt agreement did not contain any
embedded terms or features that have characteristics of derivatives. However, we were required to consider whether the hybrid contract embodied a beneficial conversion feature (&#147;BCF&#148;). The calculation of the effective conversion amount did
result in a BCF because the effective conversion price was less than the Company&#146;s stock price on the date of issuance, therefore a BCF of $96,000 was recorded. The BCF represents a debt discount which was amortized over the life of the loan.
</P> <P STYLE="margin-top:18pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman"><B><I>Loan modification (October 1, 2016) </I></B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On October&nbsp;1, 2016 Odyssey Marine Enterprises, Ltd. (&#147;OME&#148;), entered into an Amended and Restated Note Purchase Agreement (the
&#147;Restated Note Purchase Agreement&#148;) with Epsilon Acquisitions LLC (&#147;Epsilon&#148;). In connection with the existing $3.0&nbsp;million loan agreement, Epsilon agreed to lend an additional $3.0&nbsp;million evidenced by secured
convertible promissory notes. The convertible promissory notes bear an interest rate of 10.0% per annum and are due and payable on March&nbsp;18, 2017. Epsilon has the right to convert all amounts outstanding under the Restated Note into shares of
our common stock upon 75 days&#146; notice to OME or upon a merger, consolidation, third party tender offer, or similar transaction relating to us at the applicable conversion price, which is (a)&nbsp;$5.00 per share with respect to the
$3.0&nbsp;million already advanced under the Restated Note and (b)&nbsp;with respect to additional advances under the Restated Note, the <FONT STYLE="white-space:nowrap">five-day</FONT> volume-weighted average price of our common stock for the five
trading day period ending on the trading day immediately prior to the date on which OME submits a borrowing notice for such advance. Notwithstanding anything herein to the contrary, we shall not issue any of our common stock upon conversion of any
outstanding tranche (other than the first $3.0&nbsp;million already advanced) under this Restated Note in excess of 1,388,769 shares of common stock.&nbsp;The additional tranches were issued as follows: (a) $1,000,000 (&#147;Tranche 3&#148;) was
issued on October&nbsp;16, 2016 with a conversion price of $3.52 per share; (b) $1,000,000 (&#147;Tranche 4&#148;) was issued on November&nbsp;15, 2016 with a conversion price of $4.19 per share; and (c) $1,000,000 (&#147;Tranche 5&#148;) was issued
on December&nbsp;15, 2016 with a conversion price of $4.13 per share. During 2017, Epsilon assigned Tranche 4 and 5 totaling $2,000,000 of this debt to MINOSA under the same terms as the original debt. See Note &#150; MINOSA 2 below for further
detail. On March&nbsp;30, 2021, Epsilon converted the aggregate indebtedness related to Tranche 3 totaling $1,448,697 into 411,562 shares of our common stock at an exercise price of $3.52 per share. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">As an inducement for the issuance of the additional $3.0&nbsp;million of promissory notes, we also delivered to Epsilon a common stock
purchase warrant (the &#147;Warrant&#148;) pursuant to which Epsilon has the right to purchase up to 120,000 shares of our common stock at an exercise price of $3.52 per share, which exercise price represents the
<FONT STYLE="white-space:nowrap">five-day</FONT> volume-weighted average price of our common stock for the five trading day period ending on the trading day immediately prior to the day on which the Warrant was issued. Epsilon may exercise the
Warrant in whole or in part at any time during the period ending October&nbsp;1, 2021. The Warrant includes a cashless exercise feature and provides that, if Epsilon is in default of its obligations to fund any advance pursuant to and in accordance
with the Restated Note Purchase Agreement, then, thereafter, the maximum aggregate number of shares of common </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">19 </P>

</DIV></Center>


<p style="margin-top:1em; margin-bottom:0em; page-break-before:always">
<HR SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">


<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">
stock that may be purchased under the Warrant shall be the number determined by multiplying 120,000 by a fraction, (a)&nbsp;the numerator of which is the aggregate principal amount of advances
that have been extended to the OME by Epsilon pursuant to the Restated Note Purchase Agreement on or after the date of the Warrant and prior to the date of such failure and (b)&nbsp;the denominator of which is $3.0&nbsp;million. During November
2020, Epsilon exercised this warrant using the cashless exercise feature. This exercise resulted in the issuance of 56,228 of our common shares and the forfeiture of the right to acquire the remaining 63,772 common shares. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman"><B><I>Accounting considerations for additional tranches </I></B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">We evaluated for proper classification under ASC 480 <I>Distinguishing Liabilities from Equity</I> (&#147;ASC 480&#148;), ASC 815
<I>Derivatives and Hedging</I> (&#147;ASC 815&#148;) and ASC 320 <I>Property, Plant and Equipment</I> (&#147;ASC 320&#148;). This debt agreement did not contain any embedded terms or features that have characteristics of derivatives. Additionally,
the warrant agreement did not contain any terms or features that would preclude equity classification. We were required to consider whether the hybrid contract embodied a beneficial conversion feature (&#147;BCF&#148;). The allocations of the three
additional tranches were as follows. </P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="84%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" ALIGN="center">


<TR>

<TD WIDTH="64%"></TD>

<TD VALIGN="bottom" WIDTH="3%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>

<TD VALIGN="bottom" WIDTH="3%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>

<TD VALIGN="bottom" WIDTH="3%"></TD>
<TD></TD>
<TD></TD>
<TD></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000">Tranche 3</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000">Tranche 4</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000">Tranche 5</TD>
<TD VALIGN="bottom">&nbsp;</TD></TR>


<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Promissory Note</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"> 981,796</TD>
<TD NOWRAP VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"> 939,935</TD>
<TD NOWRAP VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">&nbsp;1,000,000</TD>
<TD NOWRAP VALIGN="bottom"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Beneficial Conversion Feature (&#147;BCF&#148;)*</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">18,204</TD>
<TD NOWRAP VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">60,065</TD>
<TD NOWRAP VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">&#151;&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom"></TD></TR>
<TR STYLE="font-size:1px; ">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Proceeds</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">&nbsp;1,000,000</TD>
<TD NOWRAP VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">&nbsp;1,000,000</TD>
<TD NOWRAP VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">&nbsp;1,000,000</TD>
<TD NOWRAP VALIGN="bottom"></TD></TR>
<TR STYLE="font-size:1px; ">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
</TABLE> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">A beneficial conversion feature arises when the calculation of the effective conversion price is less than the
Company&#146;s stock price on the date of issuance. Tranche 5 did not result in a BCF because the effective conversion price was greater than the company&#146;s stock price on the date of issuance. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The Warrant&#146;s fair value was calculated using the Black-Scholes-Merton (&#147;BSM&#148;) pricing model. The aggregate fair value of the
Warrant totaled $303,712. Because the Warrant was issued as an inducement to Epsilon to issue additional debt, we recorded an inducement expense of $303,712. For the three months ended March&nbsp;31, 2021 and 2020 interest expense in the amount of
$34,520 and $24,931, respectively, was recorded. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman"><B><I>Term Extension (March 21, 2017) </I></B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On March&nbsp;21, 2017 we entered into an amendment to the Restated Note Purchase Agreement with Epsilon. In connection with the existing
$6.0&nbsp;million of indebtedness, the adjusted principal balance is due and payable in full upon the earlier of (i)&nbsp;written demand by Epsilon or (ii)&nbsp;such time as Odyssey or the guarantor pays any other indebtedness for borrowed money
prior to its stated maturity date. As such the Company amortized the notes up to their face value of $6,050,000 and they are classified as short-term. However, because Epsilon converted the first $3.0&nbsp;million into 670,455 of our common shares
and assigned $2.0&nbsp;million to MINOSA, the principal indebtedness at March&nbsp;31, 2021 was zero and at December&nbsp;31, 2020 was $1.0&nbsp;million. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Note 5 &#150; SMOM </B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On May&nbsp;3, 2017,
we entered into a Loan and Security Agreement (&#147;Loan Agreement&#148;) with SMOM. Pursuant to the Loan Agreement, SMOM agreed to loan us up to $3.0&nbsp;million as evidenced by a convertible promissory note. As a commitment fee, we assigned the
remaining 50% of our Neptune Minerals, LLC receivable to SMOM. This receivable had zero carrying value on our balance sheet and due to the age and collectability was deemed to have no fair value. The indebtedness bears interest at a rate of 10% per
annum and matures on the second anniversary of this Loan Agreement which is May&nbsp;3, 2019. During January 2021, this Loan Agreement was amended by increasing the interest rate to 18%, effective January&nbsp;1, 2021. On April&nbsp;20, 2018, the
loan was amended, and the principal amount of the Loan was increased to $3.5&nbsp;million. The loan balance at March&nbsp;31, 2021 and December&nbsp;31, 2020 was $3.5&nbsp;million. The holder has the option to convert up to $2.0&nbsp;million of any
unpaid principal and interest into up to 50% of the equity interest held by Odyssey in Aldama Mining Company, S.de R.L. de C.V. which is a wholly owned subsidiary of ours. The conversion value of $1.0&nbsp;million equates to 10% of the equity
interest in Aldama. If the holder elects to acquire the entire 50% of the equity interest, the Holder has to pay the deficiency in cash. As additional consideration for the loan, the holder has the right to purchase from Odyssey all or a portion of
the equity collateral (up to the 50% of the equity interest of Aldama) for the option consideration ($1.0&nbsp;million for each 10% of equity interests) during the period that is the later of (i)&nbsp;one year after the maturity date and
(ii)&nbsp;one year after the loan is repaid in full, the expiration date. The lender may also choose to extend the expiration date annually by paying $500,000 for each year extended. For the three months ended March&nbsp;31, 2021 and 2020, interest
expense in the amount of $155,343 and $87,260, respectively, was recorded. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman"><B><I>Accounting considerations </I></B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">We have accounted for this transaction as a financing transaction, wherein the net proceeds received were allocated to the financial
instruments issued. Prior to making the accounting allocation, we evaluated for proper classification under ASC 480 <I>Distinguishing Liabilities from Equity</I> (&#147;ASC 480&#148;), ASC 815 <I>Derivatives and Hedging</I> (&#147;ASC 815&#148;) and
ASC 320 <I>Property, Plant and Equipment</I> (&#147;ASC 320&#148;). </P>
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 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">This debt agreement did not contain any embedded terms or features that have characteristics
of derivatives. However, we were required to consider whether the hybrid contract embodied a beneficial conversion feature (&#147;BCF&#148;). The calculation of the effective conversion amount did not result in a BCF because the effective conversion
price was equal to the Company&#146;s stock price on the date of issuance. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Note 6 &#150; MINOSA 2 </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On August&nbsp;10, 2017, we entered into a Note Purchase Agreement (the &#147;Minosa Purchase Agreement&#148;) with MINOSA. Pursuant to the
Minosa Purchase Agreement, MINOSA agreed to loan Enterprises up to $3.0&nbsp;million. During 2017, we borrowed $2.7&nbsp;million against this facility and Epsilon assigned $2.0&nbsp;million of its debt to MINOSA. At March&nbsp;31, 2021 and
December&nbsp;31, 2020, the outstanding principal balance, including the Epsilon assignment, was $5.05&nbsp;million. The indebtedness is evidenced by a secured convertible promissory note (the &#147;Minosa Note&#148;) and bears interest at a rate
equal to 10.0%&nbsp;per annum. Unless otherwise converted as described below, the entire outstanding principal balance under this Minosa Note and all accrued interest and fees are due and payable upon written demand by MINOSA; provided, that MINOSA
agreed not make a demand for payment prior to the earlier of (a)&nbsp;an event of default (as defined in the Minosa Note) or (b)&nbsp;a date, which may be no earlier than December&nbsp;31, 2017, that is at least 60 days subsequent to written notice
that MINOSA intends to demand payment. MINOSA has not provided any notice they intend to issue a payment demand notice. We unconditionally and irrevocably guaranteed all of the obligations under the Minosa Purchase Agreement and the Minosa Note.
MINOSA has the right to convert all amounts outstanding under the Minosa Note into shares of our common stock upon 75 days&#146; notice to us or upon a merger, consolidation, third party tender offer, or similar transaction relating to us at the
conversion price of&nbsp;$4.41 per share. During December 2017, MINOSA transferred this debt to its parent company. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">This debt agreement
did not contain any embedded terms or features that have characteristics of derivatives. However, we were required to consider whether the hybrid contract embodied a beneficial conversion feature (&#147;BCF&#148;). The calculation of the effective
conversion amount did result in a BCF because the effective conversion price was less than the Company&#146;s stock price on the date of issuance, therefore a BCF of $62,925 was recorded. As of December&nbsp;31, 2017, all of the BCF has been
accreted to the income statement. The BCF represented a debt discount that was amortized over the life of the loan. For the three months ended March&nbsp;31, 2021 and 2020, interest expense in the amount of $124,520 and $125,903, respectively, was
recorded. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">As previously reported, Epsilon loaned us an aggregate of $6.0&nbsp;million pursuant to an amended and restated convertible
promissory Minosa Note, dated as of March&nbsp;18, 2016, as further amended and restated on October&nbsp;1, 2016 (the &#147;Epsilon Note&#148;). Since then, Epsilon has assigned $2.0&nbsp;million of the indebtedness under the Epsilon Note to MINOSA.
Along with Epsilon, we entered into a second amended and restated convertible promissory note (the &#147;Second AR Epsilon Note&#148;), which further amends and restates the Epsilon Note. The stated principal amount of the Second AR Epsilon Note is
$1.0&nbsp;million (which reflects the outstanding principal balance remaining after giving effect to Epsilon&#146;s (x)&nbsp;previous assignment of $2.0&nbsp;million of the indebtedness under the Epsilon Note to MINOSA and (y)&nbsp;conversion of
$3.0&nbsp;million of the indebtedness under the Epsilon Note into shares of our common stock). The Second AR Epsilon Note further provides that the outstanding principal balance under the Second AR Epsilon Note and all accrued interest and fees are
due and payable upon written demand by Epsilon; provided, that Epsilon agreed not make a demand for payment prior to the earlier of (a)&nbsp;an event of default (as defined in the Second AR Epsilon Note) or (b)&nbsp;a date, which may be no earlier
than December&nbsp;31, 2017, that is at least 60 days subsequent to written notice that MINOSA intends to demand payment. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Upon the
closing of the Minosa Purchase Agreement, along with MINOSA, and Penelope Mining LLC, an affiliate of Minosa (&#147;Penelope&#148;), executed and delivered a Second Amended and Restated Waiver and Consent and Amendment No.&nbsp;5 to Promissory Note
and Amendment No.&nbsp;2 to Stock Purchase Agreement (the &#147;Second&nbsp;AR Waiver&#148;). Pursuant to the Second&nbsp;AR Waiver, Minosa and Penelope consented to the transactions contemplated by the Minosa Purchase Agreement and waived any
breach of any representation or warranty and violation of any covenant in the Stock Purchase Agreement, dated as of March&nbsp;11, 2015, as amended April&nbsp;10, 2015 (the &#147;SPA&#148;), by and among us, Minosa, and Penelope, arising out of the
Company&#146;s execution and delivery of the Minosa Purchase Agreement and the consummation of the transactions contemplated thereby. Pursuant to the Second&nbsp;AR Waiver, we also waived, and agreed not to exercise our right to terminate the SPA
pursuant to Section&nbsp;8.1(c)(ii) thereto, both (a)&nbsp;until after the earlier of (i)&nbsp;July&nbsp;1, 2018, (ii)&nbsp;the date that MINOSA fails, refuses, or declines to fund (or otherwise does not fund) any subsequent loan under the Minosa
Purchase Agreement and (iii)&nbsp;demand is made for repayment of all or any part of the indebtedness outstanding under the Minosa Note, the Second AR Epsilon Note, or the Promissory Note, dated as of March&nbsp;11, 2015, as amended (the &#147;SPA
Note&#148;), in the principal amount of $14.75&nbsp;million that was issued by us to MINOSA under the SPA, and&nbsp;(b) unless on or prior to such termination, the Notes are paid in full. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The Second&nbsp;AR Waiver (x)&nbsp;further provides that following any conversion of the indebtedness evidenced by the Minosa Note, Penelope
may elect to reduce its commitment to purchase our preferred stock under the SPA by the amount of indebtedness converted by MINOSA and (y)&nbsp;amends the SPA Note to provide that the outstanding principal balance under the SPA Note and all accrued
interest and fees are due and payable upon written demand by MINOSA; provided, that Minosa agreed not make a demand for payment prior to the earlier of (a)&nbsp;an event of default (as defined in the Minosa Note) or (b)&nbsp;a date, which may be no
earlier than December&nbsp;31, 2017, that is at least 60 days subsequent to written notice that Minosa intends to demand payment. </P>
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 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The obligations under the Minosa Note may be accelerated upon the occurrence of specified
events of default including (a)&nbsp;our failure to pay any amount payable under the Minosa Note on the date due and payable; (b)&nbsp;our failure to perform or observe any term, covenant, or agreement in the Minosa Note or the related documents,
subject to a <FONT STYLE="white-space:nowrap">five-day</FONT> cure period;&nbsp;(c)&nbsp;the occurrence and expiration of all applicable grace periods, if any, of an event of default or material breach by us under any of the other loan documents;
(d)&nbsp;the termination of the SPA; (e)&nbsp;commencement of certain specified dissolution, liquidation, insolvency, bankruptcy, reorganization, or similar cases or actions by or against us, in specified circumstances unless dismissed or stayed
within 60 days; (f)&nbsp;the entry of a judgment or award against us in excess of $100,000; and (g)&nbsp;the occurrence of a change in control (as defined in the Minosa Note). </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Pursuant to second amended and restated pledge agreements (the &#147;Second AR Pledge Agreements&#148;) entered into by us in favor of MINOSA,
we pledged and granted security interests to MINOSA in (a)&nbsp;the 54&nbsp;million cuotas (a unit of ownership under Panamanian law) of Oceanica held by us, (b)&nbsp;all notes and other receivables from Oceanica and its subsidiary owed to us, and
(c)&nbsp;all of the outstanding equity in our wholly owned subsidiary, Odyssey Marine Enterprises, Ltd. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">In connection with the execution
and delivery of the Minosa Purchase Agreement, Odyssey and MINOSA entered into a second amended and restated registration rights agreement (the &#147;Second AR Registration Rights Agreement&#148;) pursuant to which Odyssey agreed to register the
offer and sale of the shares (the &#147;Conversion Shares&#148;) of our common stock issuable upon the conversion of the indebtedness evidenced by the Minosa Note. Subject to specified limitations set forth in the Second AR Registration Rights
Agreement, including that we are eligible to use Form <FONT STYLE="white-space:nowrap">S-3,</FONT> the holder of the Minosa Note can require us to register the offer and sale of the Conversion Shares if the aggregate offering price thereof (before
any underwriting discounts and commissions) is not less than $3.0&nbsp;million. In addition, we agreed to file a registration statement relating to the offer and sale of the Conversion Shares on a continuous basis promptly (but in no event later
than 60 days after) after the conversion of the Minosa Note into the Conversion Shares and to thereafter use its reasonable best efforts to have such registration statement declared effective by the Securities and Exchange Commission. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Note 7 &#150; Monaco 2018 </B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">During the
period ended March&nbsp;31, 2018, Monaco advanced us $1.0&nbsp;million that was included in a loan agreement that was executed on April&nbsp;20, 2018. Monaco also agreed to treat $99,366 of back rent owed by us to Monaco as part of this loan
resulting in an aggregate principal amount of $1,099,366 at March&nbsp;31, 2021 and December&nbsp;31, 2020. The indebtedness bears interest at 10.0% percent per year. During January 2021, this loan agreement was amended by increasing the interest
rate to 18%, effective January&nbsp;1, 2021. All principal and any unpaid interest are payable on the first anniversary of this agreement, April&nbsp;20, 2019. This debt is secured by cash proceeds, if any, from our future shipwreck projects we have
contracted with Magellan. As additional consideration, their share purchase option expiration date, as discussed in Note 1 &#150; Monaco 2014 and Note 2 &#150; Monaco 2016 above, has been extended from 30 days to seven months after the note becomes
paid in full. For the three months ended March&nbsp;31, 2021 and 2020, interest expense in the amount of $64,893 and $32,776, respectively, was recorded. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Note 8 &#150; Promissory note </B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On
July&nbsp;12, 2018, we entered into a Note and Warrant Purchase Agreement (the &#147;Purchase Agreement&#148;) with two individuals (the &#147;Lenders&#148;), one of whom holds in excess of 5.0% of our outstanding common stock. Pursuant to the
Purchase Agreement, the Lenders agreed to lend an aggregate of $1,050,000 to us, which was advanced in three tranches on July&nbsp;12, 2018, $500,000, August&nbsp;17, 2018, $300,000 and October&nbsp;4, 2018, $250,000. The indebtedness is evidenced
by secured convertible promissory notes (the &#147;Notes&#148;) and bears interest at a rate equal to 8.0% per annum. Unless otherwise converted as described below, the entire outstanding principal balance under the Notes and all accrued interest
and fees are due and payable on July&nbsp;12, 2019. See <B>&#147;</B><B><I>Term Extension (July 8, 2019)&#148; below.</I></B> </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">At any time
after to the first to occur of (a)&nbsp;a sale by us of additional Notes or (b)&nbsp;September 12, 2018, the Lenders have the right to convert all amounts outstanding under the Notes into either (x)&nbsp;shares of our common stock at the conversion
rate of $8.00 per share, (y)&nbsp;$500,000 of the indebtedness owed by Exploraciones Oceanicas S. de R. L. de C.V. (&#147;ExO&#148;) to Oceanica Marine Operations, S.R.L. (&#147;OMO&#148;), or (z)&nbsp;a 7.5% interest in Aldama Mining Company, S. de
R. L. de C.V. (&#147;Aldama&#148;). We indirectly hold a controlling interest in ExO; OMO and Aldama are indirect, wholly owned subsidiaries of ours. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">In connection with the issuance and sale of the Notes, we issued warrants to purchase common stock (the &#147;Warrants&#148;) to the Lenders.
The Lenders may exercise the Warrants to purchase an aggregate of 65,625 shares of our common stock at an exercise price of $12.00 per share. The Warrants are exercisable during the period commencing on the date on which the Notes are converted into
shares of our common stock and ending on July&nbsp;12, 2021. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Pursuant to a Pledge Agreement, dated as of July&nbsp;12, 2018 (the
&#147;Pledge Agreement&#148;), our obligations under the Notes are secured by a pledge of a portion of Odyssey&#146;s ownership interest in Aldama and another entity. </P>
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 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Pursuant to a Registration Rights Agreement (the &#147;Rights Agreement&#148;) among us and
the Lenders, we granted the Lenders &#147;piggy-back&#148; registration rights with respect to the shares of our common stock issuable upon conversion of the Notes and the exercise of the Warrants. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The Purchase Agreement, the Notes, the Warrants, the Pledge Agreement, and the Rights Agreement include representations and warranties and
other covenants, conditions, and other provisions customary for comparable transactions. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">We have accounted for this transaction as a
financing transaction, wherein the net proceeds received were allocated to the financial instruments issued. Prior to making the accounting allocation, we evaluated the transaction for proper classification under ASC 480 Distinguishing Liabilities
from Equity (&#147;ASC 480&#148;), ASC 815 Derivatives and Hedging (&#147;ASC 815&#148;). </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">We determined that the debt achieved
conventional convertible status and that the equity conversion option was in the money at inception which required the calculation of a beneficial conversion feature (&#147;BCF&#148;). The fair value of the warrants and BCF component exceeded the
amount of proceeds, therefore, they were limited to the cash proceeds of $1,050,000 at December&nbsp;31, 2018. As a result, there was no value allocated to the debt at inception. The debt was being accreted to face value over its term using the
effective interest method. The face value of this debt was $1.05&nbsp;million at March&nbsp;31, 2021 and December&nbsp;31, 2020. For the three months ended March&nbsp;31, 2021 and 2020, interest expense in the amount of $25,234 and $23,555,
respectively, was recorded. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman"><B><I>Term Extension (July 8, 2019) </I></B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On July&nbsp;8, 2019, Odyssey and the Lenders entered into a Second Amendment to Note and Warrant Purchase Agreement and Note and Warrant
Modification Agreement (the &#147;Second Amendment&#148;) pursuant to which certain terms and provisions of the Notes and Warrants were amended or otherwise modified. The material terms and provisions that were amended or otherwise modified are as
follows: </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the maturity date of the Notes was extended by one year, to July&nbsp;12, 2020 (the parties are currently in
discussions to further extend the maturity date of the Notes); </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TR style = "page-break-inside:avoid">
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<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the conversion rate of the Notes and the exercise price of the Warrants were modified to $5.756, which
represented the &#147;market price&#148; of Odyssey&#146;s common stock as of July&nbsp;7, 2019, the day before the Second Amendment was signed; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the Notes are unsecured; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the Notes are convertible only into shares of Odyssey common stock; and </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the modified Warrants are exercisable at any time until July&nbsp;8, 2024 to purchase an aggregate of 196,135
shares of our common stock. </P></TD></TR></TABLE> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">We evaluated the amendment&#146;s impact on the accounting for the Note in accordance with
ASC <FONT STYLE="white-space:nowrap"><FONT STYLE="white-space:nowrap"><FONT STYLE="white-space:nowrap">470-50-40-6</FONT></FONT></FONT> through 12 to determine whether extinguishment accounting was appropriate. The modification had a cash flow
effect on a present value basis of less than 10%. However, the reduction in the conversion price resulted in a change in the fair value of the embedded conversion option that was more than 10% of the carrying value of the Note immediately prior to
the modification. Because the amendment resulted in a substantial modification, extinguishment accounting was required, and we recorded a loss on the extinguishment of debt of $290,024. The extinguishment accounting resulted in a fair value
reacquisition price of this debt of $1,340,024. The premium of $290,024 was being amortized over the remaining life of the debt. The warrant modification was treated as an inducement to extend the debt therefore the fair value of the warrants of
$868,878 was a period expense and charged to interest expense with an offset to equity. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman"><B><I>Term Extension (August 14, 2020)
</I></B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On August&nbsp;14, 2020, we entered into a Third Amendment to Note and Warrant Purchase Agreement and Note and Warrant
Modification Agreement (the &#147;Third Amendment&#148;) with the Lenders. Certain terms and provisions of the Notes were modified, and we issued a new warrant to purchase common stock to each of the Lenders as consideration for them entering into
the Third Amendment. The warrants have an exercise price of $4.67 and are exercisable any time until August&nbsp;14, 2023. Material terms and provisions that were amended or otherwise modified are as follows: </P>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the maturity date of the Notes was extended by one year, to July&nbsp;12, 2021 and </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the conversion rate of the Notes was modified to $4.67. </P></TD></TR></TABLE>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">23 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">As of August&nbsp;14, 2020, the aggregate amount of indebtedness outstanding under the Notes
was $1,232,846. As amended by the Third Amendment, the Notes are convertible into an aggregate of 263,993 shares of our common stock, and the new Warrants are exercisable to purchase an aggregate of 131,996 shares of our common stock for $4.67 per
share. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The modification of the Notes and the issuance of the warrants, were evaluated under ASC <FONT STYLE="white-space:nowrap"><FONT
STYLE="white-space:nowrap">470-50-40,</FONT></FONT> &#147;Debt Modification and Extinguishments.&#148; By applying the guidance, the Notes were determined to be substantially different and the transaction qualified for extinguishment accounting. As
a result, we recorded a loss on extinguishment of approximately $777,500, which included the fair value of the warrants given as consideration for the modification. The premium of $358,497 is being amortized over the remaining life of the debt. The
related amortization for the three months ended March&nbsp;31, 2021 and 2020 was $95,683 and $71,606, respectively. The unamortized premium at March&nbsp;31, 2021 and December&nbsp;31, 2020 was $100,180 and $195,862, respectively. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Note 9 &#150; Litigation Financing </B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On
June&nbsp;14, 2019, Odyssey and Exploraciones Oce&aacute;nicas&nbsp;S. de R.L. de C.V., our Mexican subsidiary (&#147;ExO&#148; and, together with Odyssey, the &#147;Claimholder&#148;), and Poplar Falls LLC (the &#147;Funder&#148;) entered into an
International Claims Enforcement Agreement (the &#147;Agreement&#148;), pursuant to which the Funder agreed to provide financial assistance to the Claimholder to facilitate the prosecution and recovery of the claim by the Claimholder against the
United Mexican States under Chapter Eleven of the North American Free Trade Agreement (&#147;NAFTA&#148;) for violations of the Claimholder&#146;s rights under NAFTA related to the development of an undersea phosphate deposit off the coast of Baja
Sur, Mexico (the &#147;Project&#148;),&nbsp;on our own behalf and on behalf of ExO and United Mexican States (the &#147;Subject Claim&#148;). Pursuant to the Agreement, the Funder agreed to specified fees and expenses regarding the Subject Claim
(the &#147;Claims Payments&#148;) incrementally and at the Funder&#146;s sole discretion. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Under the terms of the Agreement, the Funder
agreed to make Claims Payments in an aggregate amount not to exceed $6,500,000 (the &#147;Maximum Investment Amount&#148;). The Maximum Investment Amount will be made available to the Claimholder in two phases, as set forth below: </P>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="5%" VALIGN="top" ALIGN="left">(a)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">a first phase, in which the Funder shall make Claims Payments in an aggregate amount no greater than $1,500,000
for the payment of antecedent and ongoing costs (&#147;Phase I Investment Amount&#148;); and </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="5%" VALIGN="top" ALIGN="left">(b)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">a second phase, in which the Funder shall make Claims Payments in an aggregate amount no greater than
$5,000,000 for the purposes of pursuing the Subject Claim to a final award (&#147;Phase II Investment Amount&#148;). </P></TD></TR></TABLE>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Upon exhaustion of the Phase&nbsp;I Investment Amount, the Claimholder will have the option to request Tranche&nbsp;A of the Phase&nbsp;II
Investment Amount, consisting of funding up to $3.5&nbsp;million (&#147;Tranche&nbsp;A Committed Amount&#148;). Upon exhaustion of the Tranche&nbsp;A Committed Amount, the Claimholder will have the option to request Tranche&nbsp;B of the
Phase&nbsp;II Investment Amount, consisting of funding of up to $1.5&nbsp;million (&#147;Tranche&nbsp;B Committed Amount&#148;). The Claimholder must exercise its option to receive the Tranche&nbsp;A Committed Amount in writing, no less than thirty
days before submitting a Funding Request to the Funder under Tranche&nbsp;A. The Claimholder must exercise its option to receive the Tranche&nbsp;B Committed Amount in writing within forty-five days after the exhaustion of the Tranche&nbsp;A
Committed Amount. Pursuant to the Agreement, the Claimholder agreed that, upon exercising the Claimholder&#146;s option to receive funds under Phase&nbsp;I, Tranche&nbsp;A of Phase&nbsp;II, or Tranche&nbsp;B of Phase&nbsp;II, the Funder will be the
sole source of third-party funding for the specified fees and expenses of the Subject Claim under each respective phase and tranche covered by the option exercised, and the Claimholder will obtain funding for such fees and expenses, only as set
forth in the Agreement. The Funder was due closing fee of $80,000 for the Phase&nbsp;I Investment Amount, and $80,000 for the Phase&nbsp;II Investment Amount to pay third parties in connection with due diligence and other administrative and
transaction costs incurred by the Funder prior to and in furtherance of execution of the Agreement. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Upon the Funder making Claims
Payments to the Claimholder or its designees in an aggregate amount equal to the Maximum Investment Amount, the Funder has the option to continue funding the specified fees and expenses in relation to the Subject Claim on the same terms and
conditions provided in the Agreement. The Funder must exercise its option to continue funding in writing, within thirty days after the Funder has made Claims Payments in an aggregate amount equal to the Maximum Investment Amount. If the Funder
exercises its option to continue funding, the parties agreed to attempt in good faith to amend the Agreement to provide the Funder with the right to provide at the Funder&#146;s discretion funding in excess of the Maximum Investment Amount, in an
amount up to the greatest amount that may then be reasonably expected to be committed for investment in Subject Claim. If the Funder declines to exercise its option, the Claimholder may negotiate and enter into agreements with one or more third
parties to provide funding, which shall be subordinate to the Funder&#146;s rights under the Agreement. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The Agreement provides that the
Claimholder may at any time without the consent of the Funder either settle or refuse to settle the Subject Claim for any amount; provided, however, that if the Claimholder settles the Subject Claim without the Funder&#146;s consent, which consent
shall not be unreasonably withheld, conditioned, or delayed, the value of the Recovery Percentage (as defined below) will be deemed to be the greater of (a)&nbsp;the Recovery Percentage (under Phase&nbsp;I or Phase&nbsp;II, as applicable), or
(b)&nbsp;the total amount of all Claims Payments made in connection with such Subject Claim multiplied by three (3). </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">24 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">If the Claimholder ceases the Subject Claim for any reason other than (a)&nbsp;a full and
final arbitral award against the Claimholder or (b)&nbsp;a full and final monetary settlement of the claims, including in particular, for a grant of an environmental permit to the Claimholder allowing it to proceed with the Project (with or without
a monetary component), all Claims Payments under Phase&nbsp;I and, if Claimholder has exercised the corresponding option, the Tranche&nbsp;A Committed Amount and Tranche&nbsp;B Committed Amount, shall immediately convert to a senior secured
liability of the Claimholder. This sum shall incur an annualized internal rate of return (IRR) of 50.0% retroactive to the date each Funding Request was paid by the Funder (under Phase&nbsp;I), or, to the conversion date for the Tranche&nbsp;A
Committed Amount and Tranche&nbsp;B Committed Amount of Phase&nbsp;II if the Claimholder has exercised the respective option (collectively, the &#147;Conversion Amount&#148;). Such Conversion Amount and any and all accrued IRR shall be <FONT
STYLE="white-space:nowrap">payable&nbsp;in-full&nbsp;by</FONT> the Claimholder within 24 months of the date of such conversion, after which time any outstanding Conversion Amounts, shall accrue an (IRR) of 100.0%, retroactive to the conversion date
(the &#147;Penalty Interest Amount&#148;). The Claimholder will execute such documents and take other actions as necessary to grant the Funder a senior security interest on and over all sums due and owing by the Claimholder in order to secure its
obligation to pay the Conversion Amount to the Funder. If the Claimholder ceases the Subject Claim due to the grant of an environmental permit (with or without a monetary component), all Claims Payments under Phase 1 and, if the Claimholder has
exercised the corresponding option, the Tranche A Committed Amount and Tranche B Committed Amount shall immediately convert to a senior secured liability of the Claimholder and shall incur an annualized an IRR of 50.0% on the Conversion Amount, from
the conversion date. Management has estimated it is more likely than not the Subject Claim will result in the issuance of the environmental permit requiring us to record interest under Generally Accepted Accounting Principles. Reliance should not be
placed on this estimate in determining the likely outcome of the Subject Claim. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">If, at any time after exercising its option to receive
funds under either Tranche&nbsp;A or Tranche&nbsp;B of Phase&nbsp;II, the Claimholder wishes to fund the Subject Claim with its own capital (&#147;Self-Funding&#148;) (which excludes any Claims Payments made, either directly or indirectly, by any
other third party), the Claimholder shall immediately pay to the Funder the Conversion Amount, provided that this requirement shall not apply if, after the Funder has made Claims Payments in an aggregate amount equal to the Maximum Investment
Amount, the Funder does not exercise its option to provide <FONT STYLE="white-space:nowrap">Follow-On&nbsp;Funding.</FONT> </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">In the event
of any receipt of proceeds resulting from the Subject Claim<B></B>&nbsp;(&#147;Proceeds&#148;), the Funder shall be entitled to any additional sums above the Conversion Amount to which the Funder is entitled as described below. Should the
Claimholder cease the Subject Claim as described above after Self-Funding the Claim, accrued IRR and Penalty Interest shall be calculated and paid to the Funder as set forth above. The Funder&#146;s rights to the Recovery Percentage as defined below
shall survive any decision by Claimholder to utilize Self-Funding. The parties acknowledge this Agreement constitutes a sale of the right to a portion of the Proceeds (if any) arising from the Subject Claim as set forth in this Agreement. The
Claimholder has relinquished its right to the portion of the proceeds, if any, that the Funder would have the right to as described below. This sale of proceeds is being accounted for under the guidance of ASC <FONT STYLE="white-space:nowrap"><FONT
STYLE="white-space:nowrap">470-10-25</FONT></FONT> <I>Recognition (Sales of Future Revenues)</I> </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On each Distribution Date, distributions
of the Proceeds shall be made to the Claimholder and the Funder in accordance with subparagraph (a)&nbsp;or (b)&nbsp;below (the &#147;Recovery Percentage&#148;), as applicable: </P>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="5%" VALIGN="top" ALIGN="left">(a)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">If the Claimholder receives only the Phase I Investment Amount from the Funder, the first Proceeds shall be
distributed as follows: </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="9%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">(i)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">first, 100.0% to the Funder, until the cumulative amount distributed to the Funder equals the total Claims
Payments paid by the Funder under Phase&nbsp;I; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="9%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">(ii)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">second, 100.0% to the Funder until the cumulative amount distributed to the Funder equals an IRR of 20% of
Claims Payments paid by the Funder under Phase I (&#147;Phase I Compensation&#148;), per annum; and </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="9%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">(iii)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">thereafter, 100.0% to the Claimholder. </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="9%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">(b)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">If the Claimholder exercises its options to receive Tranche A or both Tranche&nbsp;A and Tranche&nbsp;B of the
Phase&nbsp;II Investment Amount, the first Proceeds shall be distributed as follows: </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="13%">&nbsp;</TD>
<TD WIDTH="5%" VALIGN="top" ALIGN="left">(i)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">first, 100.0% to the Funder until the cumulative amount distributed to the Funder equals the total Claims
Payments paid by the Funder under Phases I and II; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="13%">&nbsp;</TD>
<TD WIDTH="5%" VALIGN="top" ALIGN="left">(ii)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">second, 100.0% to the Funder until the cumulative amount distributed to the Funder equals an additional 300.0%
of Phase I Investment Amount; plus an additional 300% of the Tranche A Committed Amount (i.e. 300.0% of $3.5 million), less any amounts remaining of the Tranche A Committed Amount that the Funder did not pay as Claims Payments; plus an additional
300.0% of the Tranche B Committed Amount (i.e. 300.0% of $1.5 million), if the Claimholder exercises the Tranche B funding option, less any amounts remaining of the Tranche B Committed Amount that the Funder did not pay as Claims Payments;
</P></TD></TR></TABLE>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">25 </P>

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<Center><DIV STYLE="width:8.5in" align="left">

<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="13%">&nbsp;</TD>
<TD WIDTH="5%" VALIGN="top" ALIGN="left">(iii)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">third, for each $10,000 in specified fees and expenses paid by the Funder under Phase I and Phase II and any
amounts over each $10,000 of the Tranche A Committed Amount and the Tranche B Committed Amount (if the Claimholder exercises the Tranche B funding option), 0.01% of the total Proceeds from any recoveries after repayment of (i)&nbsp;and
(ii)&nbsp;above, to the Funder; and </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="13%">&nbsp;</TD>
<TD WIDTH="5%" VALIGN="top" ALIGN="left">(iv)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">thereafter, 100% to the Claimholder. </P></TD></TR></TABLE>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The Agreement provides that if no Proceeds are ever paid to or received by the Claimholder or its representatives and if the environmental
permit is not issued, the Funder shall have no right of recourse or right of action against the Claimholder or its representatives, or any of their respective property, assets, or undertakings, except as otherwise specifically contemplated by the
Agreement. If (a)&nbsp;Proceeds are paid to or received by the Claimholder or its representatives; (b)&nbsp;such Proceeds are promptly applied and/or distributed by the Claimholder or on behalf of the Claimholder in accordance with the terms of the
Agreement; and (c)&nbsp;the amount received by the Funder as a result thereof is not sufficient to pay all of the Recovery Percentage and all of the amounts due to the Funder under the Agreement, then (provided that all of the Proceeds which the
Funder will ever be entitled to have been paid to or received by the Funder), the Funder shall have no right of recourse or action against the Claimholder or its Representatives, or any of their property, assets, or undertakings, except as otherwise
specifically contemplated by the Agreement. Pursuant to the Agreement, the Claimholder acknowledged the Funder&#146;s priority right, title, and interest in any Proceeds, including against any available collateral to secure its obligations under the
Agreement, which security interest shall be first in priority as against all other security interests in the Proceeds. The Claimholder also acknowledged and agreed to execute and authorize the filing of a financing statement or similar and to take
such other actions in such jurisdictions as the Funder, in its sole discretion, deems necessary and appropriate to perfect such security interest. The Agreement also includes representations and warranties, covenants, conditions, termination and
indemnification provisions, and other provisions customary for comparable arrangements. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman"><B><I>Amendment and Restatement (January 31,
2020) </I></B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On January&nbsp;31, 2020, the Claimholder and the Funder entered into an Amended and Restated International Claims
Enforcement Agreement (the &#147;Restated Agreement&#148;). The material terms and provisions that were amended or otherwise modified are as follows: </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">The Funder agreed to provide up to $2.2&nbsp;million in Arbitration Support Funds for the purpose of paying the
Claimholder&#146;s litigation support costs in connection with Subject Claim; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">A closing fee of $200,000 has been retained by the Funder in connection with due diligence and other transaction
costs incurred by the Funder; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">A warrant was issued to purchase our common stock which is exercisable for a period of five years beginning on
the earlier of (a)&nbsp;the date on which the Claimholder ceases the Subject Claim for any reason other than a full and final arbitral award against the Claimholder or a full and final monetary settlement of the claims or (b)&nbsp;the date on which
Proceeds are received and deposited into escrow. The exercise price per share is $3.99, and the Funder can exercise the warrant to purchase the number of shares of our common stock equal to the dollar amount of Arbitration Support Funds provided to
us pursuant to the Restated Agreement divided by the exercise price per share (subject to customary adjustments and limitations); and </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">All other terms in the Restated Agreement are substantially the same as in the original Agreement.
</P></TD></TR></TABLE> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">During 2020, the Funder provided us with $2.0&nbsp;million of the Arbitration Support Funds, and we incurred $200,000
in related fees that were treated as an additional advance. Upon each funding, the proceeds were allocated between debt and equity for the warrants based on the relative fair value of the two instruments. As a result, there was a debt discount of
$1,063,811 which is being amortized over the expected remaining term of the agreement using the effective interest method which is charged to interest expense. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Although the warrants only become exercisable upon the occurrence of future events, they are considered issued for accounting purposes and
were valued using a binomial lattice model. The expected volatility assumption was based on the historical volatility of our common stock. The expected life assumption was primarily based on management&#146;s expectations of when the Warrants will
become exercisable and the risk-free interest rate for the expected term of the warrant is based on the U.S. Treasury yield curve in effect at the time of measurement. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman"><B><I>Second Amendment and Restatement (December 12, 2020) </I></B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On December&nbsp;12, 2020, the Claimholder and the Funder entered into a Second Amended and Restated International Claims Enforcement Agreement
(the &#147;Second Restated Agreement&#148;) relating to the Subject Claim. Under the terms of the Second Restated Agreement, the Funder has made and agreed to make Claims Payments in an aggregate amount not to exceed $20,000,000 (the &#147;Maximum
Investment Amount&#148;). The Second Restated Agreement requires the Funder to make Claims Payments in an aggregate amount no greater than $10,000,000 for the purposes of pursuing the Subject Claim to a final award (&#147;Phase&nbsp;III Investment
</P>
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Amount&#148;). We also incurred $200,000 in related fees which were treated as an additional advance. This Second Restated Agreement includes the same representations and warranties, covenants,
conditions, termination and indemnification provisions, and other provisions as in the original agreement. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">For the three months ended
March&nbsp;31, 2021 and 2020, interest expense in the amount of $1,505,032 and $591,871, respectively, was recorded. For the three months ended March&nbsp;31, 2021 and 2020, we recorded $50,479 and $16,716, respectively, of interest expense from the
amortization of the debt discount and $28,982 and $8,511 interest from the fee amortization, respectively. The March&nbsp;31, 2021 and December&nbsp;31,2020 carrying value of the debt is $11,625,729 and $10,968,729, respectively, and is net of
unamortized debt fees of $318,804 and $347,786, respectively, as well as the net unamortized debt discount of $840,484 and $890,962, respectively, associated with the fair value of the warrant. The total face value of this obligation at
March&nbsp;31, 2021 and December&nbsp;31, 2020 was $12,785,016 and 12,207,477, respectively. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Note 10 &#150; Payroll protection program </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">We applied to Fifth Third Bancorp (&#147;Fifth Third&#148;) under the Small Business Administration (the &#147;SBA&#148;) Paycheck Protection
Program of the Coronavirus Aid, Relief and Economic Security Act of 2020 (the &#147;CARES Act&#148;) for a loan of $370,400 (the &#147;Loan&#148;), and the Loan was made on April&nbsp;16, 2020. The proceeds of the Loan were used to cover payroll
costs, rent and utilities in accordance with the relevant terms and conditions of the CARES Act. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The Loan, which is evidenced by
promissory note issued by us (the &#147;Promissory Note&#148;), has <FONT STYLE="white-space:nowrap">a&nbsp;two-year&nbsp;term,</FONT> matures on April&nbsp;16, 2022, and bears interest at a rate of 0.98% per annum. Monthly principal and interest
payments, less the amount of any potential forgiveness (discussed below), will commence seven months from the month this Note is dated. We did not provide any collateral or guarantees for the Loan, nor did we pay any facility charge to obtain the
Loan. The Promissory Note provides for customary events of default, including, among others, those relating to failure to make payment, bankruptcy, breaches of representations and material adverse effects. Odyssey may prepay the principal of the
Loan at any time without incurring any prepayment charges. For the three months ended March&nbsp;31, 2021, we recorded interest expense in the amount of $941. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The Loan may be forgiven partially or fully if the Loan proceeds are used for covered payroll costs, rent and utilities, provided that such
amounts are incurred during the eight-week period that commenced on April&nbsp;16, 2020, and at least 75% of any forgiven amount has been used for covered payroll costs. During June 2020, the 75% requirement was reduced to 60% and the eight-week
period was amended to a 24 week period. Any forgiveness of the Loan will be subject to approval by the SBA and Fifth Third and will require us to apply for such treatment. We applied for 100% forgiveness with Fifth Third Bank during March 2021. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Note 11 &#150; Emergency Injury Disaster Loan </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On June&nbsp;26, 2020, we executed the standard loan documents required for securing an Economic Injury Disaster Loan (the &#147;EIDL
Loan&#148;) from the United States Small Business Administration (the &#147;SBA&#148;). The principal amount of the&nbsp;EIDL Loan is $149,900, with proceeds to be used for working capital purposes. Interest on the&nbsp;EIDL Loan accrues at the rate
of 3.75% per annum and installment payments, including principal and interest of $731, are due monthly beginning twelve months from the date of the&nbsp;EIDL Loan. The balance of principal and interest is payable thirty years from the date of the
promissory note. In connection with the&nbsp;EIDL Loan, the Company executed the&nbsp;EIDL Loan documents, which include the SBA Secured Disaster Loan Note, dated May&nbsp;16, 2020, the Loan Authorization and Agreement, dated May&nbsp;16, 2020, and
the Security Agreement, dated May&nbsp;16, 2020, each between the SBA and the Company. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Note 12 &#150; Vendor note payable </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">We currently owe a vendor $484,009 as an interest-bearing trade payable. This trade payable bears simple annual interest at a rate of 12%. As
collateral, we granted the vendor a primary lien on certain of our equipment. The carrying value of this equipment is zero. This agreement matured in August 2018. During the period ended June&nbsp;30, 2018, we sold various marine equipment to
Magellan for $1.0&nbsp;million and the assumption of this vendor&#146;s trade payable and accrued interest, however, we remain as guarantor on this trade payable. Included in this equipment is the equipment noted above the vendor has a primary lien
on. The vendor consented to Magellan&#146;s assumption of this debt but did not release us from our obligations. If Magellan defaults and the vendor forecloses on this equipment currently in Magellan&#146;s possession, we would then have a
contingent liability to Magellan in the amount of $0.5&nbsp;million for two of the key assets. For the three months ended March&nbsp;31, 2021 and 2020, we recorded interest expense in the amount of $14,321 and $14,480, respectively. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>NOTE J &#150; STOCKHOLDERS&#146; EQUITY (DEFICIT) </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Common Stock </B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On August&nbsp;21, 2020, we
sold an aggregate of 2,553,314 shares of our common stock and warrants to purchase up to 1,901,989 shares of our common stock. The net proceeds received from sale, after offering expenses of $0.3&nbsp;million, of which $0.2
</P>
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million were withheld to cover fees, were $11.2&nbsp;million. The shares of common stock and warrants were sold in units, with each unit consisting of one share of common stock and a warrant to
purchase up to 0.6 shares of common stock. The purchase price for each unit was $4.543. The warrants have an exercise price of $4.75 per share of common stock and are exercisable at any time during the three-year period commencing six months after
issuance. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Convertible Preferred Stock </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On March&nbsp;11, 2015, we entered into a Stock Purchase Agreement (the &#147;Purchase Agreement&#148;) with Penelope Mining LLC (the
&#147;Investor&#148;), and, solely with respect to certain provisions of the Purchase Agreement, Minera del Norte, S.A. de C.V. (the &#147;Lender&#148;). The Purchase Agreement provides for the Company to issue and sell to the Investor shares of the
Company&#146;s preferred stock in the amounts set forth in the following table (numbers have been adjusted for the February 2016 reverse stock split): </P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="84%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" ALIGN="center">


<TR>

<TD WIDTH="59%"></TD>

<TD VALIGN="bottom" WIDTH="5%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>

<TD VALIGN="bottom" WIDTH="5%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>

<TD VALIGN="bottom" WIDTH="5%"></TD>
<TD></TD>
<TD></TD>
<TD></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
<TD VALIGN="bottom" NOWRAP> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:8pt; font-family:Times New Roman"><B>Convertible</B></P>
<P STYLE="margin-top:0pt; margin-bottom:1pt; border-bottom:1.00pt solid #000000; display:table-cell; font-size:8pt; font-family:Times New Roman; "><B>Preferred Stock</B></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>Shares</B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>Price&nbsp;Per&nbsp;Share</B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>Total<BR>Investment</B></TD>
<TD VALIGN="bottom">&nbsp;</TD></TR>


<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Series <FONT STYLE="white-space:nowrap">AA-1</FONT></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">8,427,004</TD>
<TD NOWRAP VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">12.00</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">101,124,048</TD>
<TD NOWRAP VALIGN="bottom"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Series <FONT STYLE="white-space:nowrap">AA-2</FONT></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">7,223,145</TD>
<TD NOWRAP VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"> 6.00</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">43,338,870</TD>
<TD NOWRAP VALIGN="bottom"></TD></TR>
<TR STYLE="font-size:1px; ">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">15,650,149</TD>
<TD NOWRAP VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">144,462,918</TD>
<TD NOWRAP VALIGN="bottom"></TD></TR>
<TR STYLE="font-size:1px; ">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
</TABLE> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The Investor&#146;s option to purchase the Series <FONT STYLE="white-space:nowrap">AA-2</FONT> shares is
subject to the closing price of the Common Stock on the NASDAQ market having been greater than or equal to $15.12 per share for a period of twenty (20)&nbsp;consecutive business days on which the NASDAQ market is open. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The closing of the sale and issuance of shares of the Company&#146;s preferred stock to the Investor is subject to certain conditions,
including the Company&#146;s receipt of required approvals from the Company&#146;s stockholders, the receipt of regulatory approval, performance by the Company of its obligations under the Stock Purchase Agreement, the listing of the underlying
common stock on the NASDAQ Stock Market and the Investor&#146;s satisfaction, in its sole discretion, with the viability of certain undersea mining projects of the Company. This transaction received stockholders&#146; approval on June&nbsp;9, 2015.
Completion of the transaction requires amending the Company&#146;s articles of incorporation to (a)&nbsp;effect a reverse stock split, which was done on February&nbsp;19, 2016, (b)&nbsp;adjusting the Company&#146;s authorized capitalization, which
was also done on February&nbsp;19, 2016, and (c)&nbsp;establishing a classified board of directors (collectively, the &#147;Amendments&#148;). The Amendments have been or will be set forth in certificates of amendment to the Company&#146;s articles
of incorporation filed or to be filed with the Nevada Secretary of State. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman"><B><I>Series AA Convertible Preferred Stock Designation
</I></B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The Purchase Agreement provides for the issuance of up to 8,427,004 shares of Series <FONT STYLE="white-space:nowrap">AA-1</FONT>
Convertible Preferred Stock, par value $0.0001 per share (the &#147;Series <FONT STYLE="white-space:nowrap">AA-1</FONT> Preferred&#148;) and 7,223,145 shares of Series <FONT STYLE="white-space:nowrap">AA-2</FONT> Convertible Preferred Stock, par
value $0.0001 per share (the &#147;Series <FONT STYLE="white-space:nowrap">AA-2</FONT> Preferred&#148;), subject to stockholder approval which was received on June&nbsp;9, 2015 and satisfaction of other conditions. Significant terms and conditions
of the Series AA Preferred are as follows: </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><B><I>Dividends</I></B>. If and when the Company declares a dividend and any other
distribution (including, without limitation, in cash, in capital stock (which shall include, without limitation, any options, warrants or other rights to acquire capital stock) of the Company, then the holders of each share of Series AA Preferred
Stock are entitled to receive, a dividend or distribution in an amount equal to the amount of dividend or distribution received by the holders of common stock for which such share of Series AA Preferred Stock is convertible. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><B><I>Liquidation Preference</I></B>. The Liquidation Preference on each share of Series AA Preferred Stock is its Stated Value plus accretion
at the rate of 8% per annum compounded on each December&nbsp;31 from the date of issue of such share until the date such share is converted. For any&nbsp;accretion&nbsp;period which is less than a full year, the&nbsp;Liquidation
Preference&nbsp;shall accrete in an amount to be computed on the basis of a <FONT STYLE="white-space:nowrap">360-day</FONT> year of twelve <FONT STYLE="white-space:nowrap">30-day</FONT> months and the actual number of days elapsed. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><B><I>Voting Rights</I></B>. The holders of Series AA Preferred will be entitled to one vote for each share of common stock into which the
Series AA Preferred is convertible and will be entitled to notice of meetings of stockholders. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><B><I>Conversion Rights</I></B>. At any
time after the Preferred Shares have been issued, any holder of shares of Series AA Preferred may convert any or all of the shares of preferred stock into one fully paid and <FONT STYLE="white-space:nowrap">non-assessable</FONT> share of Common
Stock. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><B><I>Adjustments to Conversion Rights</I></B>. If Odyssey pays a dividend or makes a distribution on its common stock in shares
of common stock, subdivides its outstanding common stock into a greater number of shares, or combines its outstanding common stock into a smaller number of shares, or if there is a reorganization, or a merger or consolidation of Odyssey with or into
any other entity which results in a conversion, exchange, or cancellation of the common stock, or a sale of all or substantially all of Odyssey&#146;s assets, then the conversion rights described above will be adjusted appropriately so that each
holder of Series AA Preferred will </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">28 </P>

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receive the securities or other consideration the holder would have received if the holder&#146;s Series AA Preferred had been converted before the happening of the event. The conversion price in
effect from time to time is also subject to downward adjustment if we issue or sell shares of common stock for a purchase price less than the conversion price or if we issue or sell shares convertible into or exercisable for shares of common stock
with a conversion price or exercise price less than the conversion price for the Series AA Preferred. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><I>Accounting considerations </I></B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">As stated above, the issuance of the Series AA Convertible Preferred Stock is subject to certain contingencies. No accounting treatment
determination is required until these contingencies are met and the Series AA Convertible Preferred Stock has been issued. However, we have analyzed the instrument to determine the proper accounting treatment that will be necessary once the
instruments have been issued. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">ASC 480 generally requires liability classification for financial instruments that are certain to be
redeemed, represent obligations to purchase shares of stock or represent obligations to issue a variable number of common shares. We concluded that the Series AA Preferred was not within the scope of ASC 480 because none of the three conditions for
liability classification was present. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">ASC 815 generally requires the analysis of embedded terms and features that have characteristics of
derivatives to be evaluated for bifurcation and separate accounting in instances where their economic risks and characteristics are not clearly and closely related to the risks of the host contract. However, in order to perform this analysis, we
were first required to evaluate the economic risks and characteristics of the Series AA Convertible Preferred Stock in its entirety as being either akin to equity or akin to debt. Our evaluation concluded that the Series AA Convertible Preferred
Stock was more akin to an equity-like contract largely due to the fact that most of its features were participatory in nature. As a result, we concluded that the embedded conversion feature is clearly and closely related to the host equity contract
and will not require bifurcation and liability classification. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The option to purchase the Series
<FONT STYLE="white-space:nowrap">AA-2</FONT> Convertible Preferred Stock was analyzed as a freestanding financial instrument and has terms and features of derivative financial instruments. However, in analyzing this instrument under applicable
guidance it was determined that it is both (i)&nbsp;indexed to the Company&#146;s stock and (ii)&nbsp;meet the conditions for equity classification. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Warrants </B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">In conjunction with the Note
and Warrant Purchase Agreement related to Note 8 &#150; Operating loan 2018 in NOTE H, we originally issued warrants to purchase an aggregate of 65,625 shares of common stock in connection with the notes that were issued. These warrants had an
expiration date of July&nbsp;21, 2021, an exercise price of $12.00, and were exercisable to purchase 65,625 shares of our common stock. On July&nbsp;8, 2019 we entered into a Second Amendment to Note and Warrant Purchase Agreement and Warrant
Modification Agreement. As a result, the lenders now hold warrants to purchase an aggregate of 196,135 shares of our common stock at an exercise price of $5.756 per share. These warrants are exercisable at any time until July&nbsp;12, 2024. On
August&nbsp;14, 2020, this loan was modified and extended to July&nbsp;12, 2021. In conjunction with the extension, the lenders received warrants to purchase an aggregate of 131,996 shares of our common stock at $4.67 per share. These warrants
expire on August&nbsp;14, 2023. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Included in the Restated Agreement as described in NOTE I, Note 9 &#150; Litigation financing, during
2019, we issued a warrant allowing the lender to purchase up to 551,378 shares of our common stock at $3.99. The warrant is contingently exercisable and will become exercisable on the date on which we cease the Subject Claim for any reason other
than (i)&nbsp;a full and final arbitral award against the Claimholder or (ii)&nbsp;a full and final monetary settlement of the claims or the date on which Proceeds are deposited into the Escrow Account. The warrant has a five-year life that
commences on the date it becomes exercisable. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">In conjunction with our sale of shares common stock and warrants on August&nbsp;21, 2020 as
described above in Note J, we issued warrants to purchase up to 1,901,989 shares of our common stock. The warrants have an exercise price of $4.75 per share and are exercisable at any time during the three-year period commencing six months after
issuance. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Stock-Based Compensation </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">We have three stock incentive plans. The first is the 2005 Stock Incentive Plan that expired in August 2015. After the expiration of this plan,
equity instruments cannot be granted but this plan will continue in effect until all outstanding awards have been exercised in full or are no longer exercisable and all equity instruments have vested or been forfeited. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On June&nbsp;9, 2015, our stockholders approved our 2015 Stock Incentive Plan (the &#147;Plan&#148;) that was adopted by our Board of
Directors (the &#147;Board&#148;) on January&nbsp;2, 2015, which is the effective date. The plan expires on the tenth anniversary of the effective date. The Plan provides for the grant of incentive stock options,
<FONT STYLE="white-space:nowrap">non-qualified</FONT> stock options, restricted stock awards, restricted stock units and stock appreciation rights. This plan was initially capitalized with 450,000 shares that may be granted. The Plan is intended to
comply with Section&nbsp;162(m) of the Internal Revenue Code, which stipulates that the maximum aggregate number of </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">29 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">
Shares with respect to one or more Awards that may be granted to any one person during any calendar year shall be 83,333, and the maximum aggregate amount of cash that may be paid in cash to any
person during any calendar year with respect to one or more Awards payable in cash shall be $2,000,000. The original maximum number of shares that were to be used for Incentive Stock Options (&#147;ISO&#148;) under the Plan was 450,000. During our
June 2016 stockholders meeting, the stockholders approved the addition of 200,000 incremental shares to the Plan. With respect to each grant of an ISO to a participant who is not a ten percent stockholder, the exercise price shall not be less than
the fair market value of a share on the date the ISO is granted. With respect to each grant of an ISO to a participant who is a ten percent stockholder, the exercise price shall not be less than one hundred ten percent (110%) of the fair market
value of a share on the date the ISO is granted. If an award is a <FONT STYLE="white-space:nowrap">non-qualified</FONT> stock option (&#147;NQSO&#148;), the exercise price for each share shall be no less than (1)&nbsp;the minimum price required by
applicable state law, or (2)&nbsp;the fair market value of a share on the date the NQSO is granted, whichever price is greatest. Any award intended to meet the performance-based exception must be granted with an exercise price not less than the fair
market value of a share determined as of the date of such grant. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On March&nbsp;26, 2019, our Board of Directors adopted and approved the
2019 Stock Incentive Plan (the &#147;2019 Plan&#148;), which was approved by our stockholders on June&nbsp;3, 2019. The 2019 Plan expires on June&nbsp;3, 2029. The 2019 Plan provides for the grant of incentive stock options, <FONT
STYLE="white-space:nowrap">non-qualified</FONT> stock options, restricted stock awards, restricted stock units and stock appreciation rights. The 2019 Plan is capitalized with 800,000 shares that may be granted. No awards were made from the Plan
prior to the effective date. The 2019 Plan includes the following features: no &#147;evergreen&#148; share reserve, prohibits liberal share recycling, no repricing permitted without stockholder approval, no stock option reload features, no transfers
of awards for value and dividends and dividends equivalent shall accrue and be paid only if and to the extent the common stock underlying the award become vested or payable. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Share-based compensation expense recognized during the period is based on the value of the portion of share-based payment awards that is
ultimately expected to vest. As share-based compensation expense recognized in the statement of operations is based on awards ultimately expected to vest, it can be reduced for estimated forfeitures. The ASC topic Stock Compensation requires
forfeitures to be estimated at the time of grant and revised, if necessary, in subsequent periods if actual forfeitures differ from those estimates. The share-based compensation charged against income for the three-month period ended March&nbsp;31,
2021 and 2020, was $281,687 and $105,162, respectively. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">We did not grant stock options to employees or outside directors in the
three-months ended March&nbsp;31, 2021 or 2020. If options were granted, their values would be determined using the Black-Scholes-Merton option-pricing model, which values options based on the stock price at the grant date, the expected life of the
option, the estimated volatility of the stock, the expected dividend payments, and the risk-free interest rate over the life of the option. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The Black-Scholes-Merton option pricing model was developed for estimating the fair value of traded options that have no vesting restrictions
and are fully transferable. Because option valuation models require the use of subjective assumptions, changes in these assumptions can materially affect the fair value of the options. Our options do not have the characteristics of traded options;
therefore, the option valuation models do not necessarily provide a reliable measure of the fair value of our options. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>NOTE K &#150; CONCENTRATION OF
CREDIT RISK </B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">We do not currently have any debt obligations with variable interest rates. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>NOTE L &#150; REVENUE PARTICIPATION RIGHTS </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The Company&#146;s participating revenue rights consisted of the following at: </P>
<P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TR>

<TD WIDTH="72%"></TD>

<TD VALIGN="bottom" WIDTH="5%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>

<TD VALIGN="bottom" WIDTH="5%"></TD>
<TD></TD>
<TD></TD>
<TD></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>March&nbsp;31,&nbsp;2021</B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>December&nbsp;31,</B><br><B>2020</B></TD>
<TD VALIGN="bottom">&nbsp;</TD></TR>


<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">&#147;<I>Seattle</I>&#148; project</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">62,500</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">62,500</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Galt Resources, LLC (HMS <I>Victory</I> project)</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">3,756,250</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">3,756,250</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1px; ">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Total revenue participation rights</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">3,818,750</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">3,818,750</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1px; ">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
</TABLE> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>&#147;</B><B><I>Seattle</I></B><B>&#148; project </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">In a private placement that closed in September 2000, we sold &#147;units&#148; consisting of &#147;<I>Republic&#148;</I> Revenue Participation
Certificates and Common Stock. Each $50,000 &#147;unit&#148; entitled the holder to 1% of the gross revenue generated by the now named &#147;<I>Seattle</I>&#148; project (formerly referred to as the &#147;<I>Republic</I>&#148; project), and 100,000
shares of Common Stock. Gross revenue is defined as all cash proceeds payable to us as a result of the &#147;<I>Seattle</I>&#148; project, excluding funds received by us to finance the project. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The participation rights balance will be amortized under the units of revenue method once management can reasonably estimate potential revenue
for this project. The RPCs for the &#147;<I>Seattle&#148;</I> project do not have a termination date; therefore, these liabilities will be carried on the books until revenue is recognized from the project or we permanently abandon the project. </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">30 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Galt Resources, LLC </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">In February 2011, we entered into a project syndication deal with Galt Resources LLC (&#147;Galt&#148;) for which they invested $7,512,500
representing rights to future revenues of any one project Galt selected prior to December&nbsp;31, 2011. If the project is successful and generates sufficient proceeds, Galt will recoup their investment plus three times the investment. Galt&#146;s
investment return will be paid out of project proceeds. Galt will receive 50% of project proceeds until this amount is recouped. Thereafter, they will share in additional net proceeds of the project at the rate of 1% for every million invested.
Subsequent to the original syndication deal, we reached an agreement permitting Galt to bifurcate their selection between two projects, the SS <I>Gairsoppa</I> and HMS <I>Victory</I> with the residual 1% on additional net proceeds assigned to the
HMS <I>Victory</I> project only. The bifurcation resulted in $3,756,250 being allocated to each of the two projects. Therefore, Galt will receive 7.5125% of net proceeds from the HMS <I>Victory</I> project after they recoup their investment of
$3,756,250 plus three times the investment. Galt has been paid in full for their share of the <I>Gairsoppa </I>project investment. There are no future payments remaining due to Galt for the <I>Gairsoppa</I> project. Based on the timing of the
proceeds earmarked for Galt, the relative corresponding amount of Galt&#146;s revenue participation right of $3,756,250 was amortized into revenue in 2012 based upon the percent of Galt-related proceeds from the sale of silver as a percentage of
total proceeds that Galt earned under the revenue participation agreement ($15.0 million). There is no expiration date on the Galt deal for the HMS <I>Victory</I> project. If the archaeological excavation of the shipwreck is performed and
insufficient proceeds are obtained, then the deferred income balance will be recognized as other income. If the archaeological excavation of the shipwreck is performed and sufficient proceeds are obtained, then the deferred income balance will be
recognized as revenue. </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">31 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><A NAME="tx134608_7"></A>ITEM&nbsp;2. MANAGEMENT&#146;S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION
AND RESULTS OF OPERATIONS </B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The following discussion will assist in the understanding of our financial condition and results of
operations. The information below should be read in conjunction with the financial statements, the related notes to the financial statements and our Annual Report on Form <FONT STYLE="white-space:nowrap">10-K</FONT> for the year ended
December&nbsp;31, 2020. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">In addition to historical information, this discussion contains forward-looking statements within the meaning of
Section&nbsp;27A of the Securities Act of 1933 regarding the Company&#146;s expectations concerning its future operations, earnings and prospects. On the date the forward-looking statements are made, the statements represent the Company&#146;s
expectations, but the expectations concerning its future operations, earnings and prospects may change. The Company&#146;s expectations involve risks and uncertainties and are based on many assumptions that the Company believes to be reasonable, but
such assumptions may ultimately prove to be inaccurate or incomplete, in whole or in part. Accordingly, there can be no assurances that the Company&#146;s expectations and the forward-looking statements will be correct.&nbsp;Please refer to the
Company&#146;s most recent Annual Report on Form <FONT STYLE="white-space:nowrap">10-K</FONT> for a description of risk factors that could cause actual results to differ from the expectations stated in this discussion.&nbsp;Odyssey disclaims any
obligation to update any of these forward-looking statements except as required by law. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Operational Update </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Additional information regarding our announced projects can be found in our Annual Report on Form <FONT STYLE="white-space:nowrap">10-K</FONT>
for the year ended December&nbsp;31, 2020. Only projects material in nature or with material status updates are discussed below. We may have other projects in various stages of planning or execution that may not be disclosed for security or legal
reasons until considered appropriate by management or required by law. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Our subsea project portfolio contains multiple projects in various
stages of development throughout the world and across different mineral resources. We are regularly adding new projects through the development of new deposits, acquisition of mineral rights/deposits and through a leveraged contracting model, which
allows the company to earn equity in <FONT STYLE="white-space:nowrap">deep-sea</FONT> mineral projects.</P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">With respect to mineral deposits,
SEC Industry Guide 7 outlines the Securities and Commission&#146;s basic mining disclosure policy and what information may be disclosed in public filings. The SEC has adopted amendments to the property disclosure requirements for mining registrants
that must be complied with in the annual filing for the full fiscal year beginning after January&nbsp;1, 2021. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman"><B>Subsea Mineral Mining
Exploration Projects </B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman"><B>ExO Phosphate Project: </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The &#147;Exploraciones Oceanicas&#148; Phosphate Project is a rich deposit of phosphate sands located
<FONT STYLE="white-space:nowrap">70-90</FONT> meters deep within Mexico&#146;s Exclusive Economic Zone. This deposit contains a large amount of high-grade phosphate rock that can be extracted on a financially attractive basis (essentially a standard
dredging operation). The product will be attractive to Mexican and other world producers of fertilizers and can provide important benefits to Mexico&#146;s agricultural development. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The deposit lies within an exclusive mining concession licensed to the Mexican company Exploraciones Oce&aacute;nicas S. de R.L. de CV (ExO).
Oceanica Resources, S. de R.L., a Panamanian company (&#147;Oceanica&#148;) owns 99.99% of ExO, and Odyssey owns 56.29% of Oceanica through Odyssey Marine Enterprises, Ltd., a wholly owned Bahamian company (&#147;Enterprises&#148;). </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">In 2012, ExO was granted a <FONT STYLE="white-space:nowrap">50-year</FONT> mining license by&nbsp;Mexico&nbsp;(extendable for another 50 years
at ExO&#146;s option) for the deposit that lies <FONT STYLE="white-space:nowrap">25-40</FONT> km offshore in&nbsp;Baja California Sur. An <FONT STYLE="white-space:nowrap">NI&nbsp;43-101&nbsp;compliant</FONT> report was completed on the deposit in
2014 and has been periodically updated. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The company spent more than three years preparing an environmentally sustainable development plan
with the assistance of experts in marine dredging and leading environmental scientists from around the world. Key features of the environmental plan included: </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TR style = "page-break-inside:avoid">
<TD WIDTH="1%">&nbsp;</TD>
<TD WIDTH="2%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">No chemicals would be used in the dredging process or released into the sea. </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD WIDTH="1%">&nbsp;</TD>
<TD WIDTH="2%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">A specialized return down pipe that exceeds international best practices to manage the return of dredged sands
close to the seabed, limiting plume or impact to the water column and marine ecosystem (including primary production). </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TR style = "page-break-inside:avoid">
<TD WIDTH="1%">&nbsp;</TD>
<TD WIDTH="2%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">The seabed would be restored after dredging in such a way as to promote rapid regeneration of seabed organisms in
dredged areas. </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="1%">&nbsp;</TD>
<TD WIDTH="2%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">Ecotoxicology tests demonstrated that the dredging and return of sediment to the seabed would not have toxic
effects on organisms. </P></TD></TR></TABLE>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">32 </P>

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<Center><DIV STYLE="width:8.5in" align="left">

<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="1%">&nbsp;</TD>
<TD WIDTH="2%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">Sound propagation studies concluded that noise levels generated during dredging would be similar to
whale-watching vessels, merchant ships and fisherman&#146;s ships that already regularly transit this area, proving the system is not a threat to marine mammals. </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="1%">&nbsp;</TD>
<TD WIDTH="2%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">Dredging limited to less than one square kilometre each year, which means the project would operate in only a
tiny proportion of the concession area each year. </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="1%">&nbsp;</TD>
<TD WIDTH="2%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">Proven turtle protection measures were incorporated even though the deposit and the dredging activity are much
deeper and colder than where turtles feed and live, making material harm to the species unfeasible. </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="1%">&nbsp;</TD>
<TD WIDTH="2%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">There will be no material impact on local fisheries as fishermen have historically avoided the water column
directly above the deposit due to the naturally low occurrence of fish there. </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="1%">&nbsp;</TD>
<TD WIDTH="2%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">The project would not be visible from the shoreline and would not impact tourism or coastal activities.
</P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="1%">&nbsp;</TD>
<TD WIDTH="2%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">Precautionary mitigation measures were incorporated into the development plan in line with best-practice global
operational standards. </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="1%">&nbsp;</TD>
<TD WIDTH="2%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">The technology proposed to recover the phosphate sands has been safely used in Mexican waters for over 20 years
on more than 200 projects by ExO&#146;s operating partner, illustrating the hypocrisy of the denial of the environmental permit for the project, especially when one considers that&nbsp;Mexico&nbsp;approved much higher impact dredging projects in
areas that its own environmental agency deemed &#147;environmentally sensitive areas&#148; during this same time period. </P></TD></TR></TABLE>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Notwithstanding the factors stated above, in April 2016 the&nbsp;Mexican Ministry of the Environment and Natural Resources&nbsp;(SEMARNAT)
unlawfully rejected the permission to move forward with the project. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">ExO challenged the decision in Mexican Federal court and in March
2018, the Tribunal Federal de Justicia Administrativa (TFJA), an <FONT STYLE="white-space:nowrap">11-judge</FONT> panel, ruled unanimously that SEMARNAT denied the application in violation of Mexican law and ordered the agency to <FONT
STYLE="white-space:nowrap">re-take</FONT> their decision. Just prior to the change in administration later in 2018, SEMARNAT denied the permit a second time in defiance of the court. ExO is once again challenging the unlawful decision of the
Pe&ntilde;a Nieto administration before the TFJA. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">In addition, in April 2019, we filed a NAFTA Claim against Mexico to protect our
shareholders&#146; interests and significant investment in the project. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The claim seeks compensation of over&nbsp;$2 billion&nbsp;on the
basis that SEMARNAT&#146;s wrongful repeated denial of authorization has destroyed the value of its investment in the country and is in violation of the following provisions of&nbsp;NAFTA: </P>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="1%">&nbsp;</TD>
<TD WIDTH="2%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">Article 1102. National Treatment. </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="1%">&nbsp;</TD>
<TD WIDTH="2%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">Article 1105. Minimum Standard of Treatment; and </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="1%">&nbsp;</TD>
<TD WIDTH="2%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">Article 1110. Expropriation and compensation. </P></TD></TR></TABLE>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The First Memorial in the&nbsp;NAFTA&nbsp;case was filed in September 2020. It is supported by documentary evidence and 20 expert reports and
witness statements.&nbsp;In summary, this evidence includes: </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="1%">&nbsp;</TD>
<TD WIDTH="2%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">MERITS:&nbsp;Testimony from independent environmental experts that the environmental impact of ExO&#146;s
phosphate project is minimal and readily mitigated by the mitigation measures proposed by ExO.&nbsp;Witnesses also testified that Mexico&#146;s denial of environmental approval by the prior administration was politically motivated and not justified
on environmental grounds, and that&nbsp;Mexico&nbsp;granted environmental permits to similar dredging projects in areas that are considered more environmentally sensitive than ExO&#146;s project location. </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="1%">&nbsp;</TD>
<TD WIDTH="2%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">RESOURCE:&nbsp;An independent certified marine geologist testified as to the size and character of the resource.
</P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="1%">&nbsp;</TD>
<TD WIDTH="2%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">OPERATIONAL VIABILITY:&nbsp;Engineering experts testified that the project uses established dredging and
processing technology, and the project&#146;s anticipated CAPEX and OPEX was reasonable.</P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="1%">&nbsp;</TD>
<TD WIDTH="2%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">VALUE:&nbsp;A Phosphate market analyst testified that the project&#146;s projected CAPEX and OPEX would make the
project one of the lowest cost phosphate rock resources in the world, and damages experts testified the project would be commercially viable and profitable. </P></TD></TR></TABLE>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">A public version of the Notice of Intent, Notice of Arbitration and the First Memorial Filing are available on our website
at&nbsp;www.odysseymarine.com.com/nafta. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Mexico filed its counter-memorial on February&nbsp;23, 2021 which is available on the
International Centre for Settlement of Investment Disputes (ICSID) website. The&nbsp;NAFTA&nbsp;hearing is scheduled to take place in&nbsp;January 2022&nbsp;unless settled earlier by the parties. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On June&nbsp;14, 2019, Odyssey executed an agreement that provided up to $6.5&nbsp;million in funding for prior, current and future costs of
the NAFTA action. On January&nbsp;31, 2020, this agreement was amended and restated, as a result of which the $6.5&nbsp;million availability increased to $10.0&nbsp;million (See NOTE I &#150; Litigation Financing). In December 2020, Odyssey
announced it secured an additional $10&nbsp;million from the funder to aid in our NAFTA case. The funder will not have any right of recourse against us unless the environmental permit is awarded or if proceeds are received. </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">33 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman"><B>LIHIR Gold Project: </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The exploration license for the Lihir Gold Project covers a subsea area that contains at least five prospective gold exploration targets in two
different mineralization types: seamount-related epithermal and modern placer gold. Two subaqueous debris fields within the area are adjacent to the terrestrial Ladolam Gold Mine and are believed to have originated from the same volcanogenic source.
The resource lies <FONT STYLE="white-space:nowrap">500-2,000</FONT> meters deep in the Papua New Guinea Exclusive Economic Zone off the coast of Lihir Island, adjacent the location of one of the world&#146;s largest know terrestrial gold deposits.
</P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">We have a 79.9% interest in Bismarck Mining Corporation, Ltd, the Papua New Guinea company that holds the exploration license for the
project. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Previous exploration expeditions in the license area, including a survey conducted by Odyssey, indicate a polymetallic resource
with commercially viable gold content likely exists. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Odyssey is presently awaiting renewal of an existing exploration permit. Once this
renewal is granted, we plan to execute the Exploration Plan for the Lihir Gold Project to validate and quantify the precious and base metal content of the prospective resource. We have met with local regulatory authorities, specialists in local
mining, environmental legal experts, and logistics support service companies in PNG to establish baseline business functions essential for a successful program to support upcoming marine exploration operations in the license area. This offshore work
is being planned for 2021. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Bismarck and Odyssey value the environment and respect the interests and people of Papua New Guinea and Lihir
and are committed to transparent sharing of all environmental data collected during the exploration program. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The company is planning
environmental surveys and studies accruing to environmental permitting in compliance with Papua New Guinea&#146;s requirements as well as the development of an EIA (Environmental Impact Assessment) that meets the International Seabed Authority (ISA)
recommendations. This will define the expected environmental effects of a full-scale extraction operation with the goal of minimizing impacts. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Further development of this project is dependent on the characterization of any present resources during exploration and license approvals.
</P> <P STYLE="margin-top:18pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman"><B>CIC Project: </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Odyssey is a member of the&nbsp;CIC Consortium, which is seeking an exploration license in an island nation&#146;s&nbsp;Exclusive Economic
Zone.&nbsp;The CIC Consortium&nbsp;was founded and is led by Odyssey <FONT STYLE="white-space:nowrap">co-founder</FONT> and former CEO,&nbsp;Greg Stemm, and includes Royal Boskalis Westminster NV and&nbsp;Odyssey Marine Exploration. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Through a wholly owned subsidiary, we have already earned 16&nbsp;million shares (representing approximately 12.6% of current outstanding
shares of this project) through the provision of services related to resource assessment, project planning, research and project management, and Odyssey has an option to acquire an additional 4&nbsp;million shares. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Odyssey receives cash and equity for services rendered to this venture, see NOTE D. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Critical Accounting Policies and Changes to Accounting Policies </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">There have been no material changes in our critical accounting estimates since December&nbsp;31, 2020. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Results of Operations </B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The dollar values
discussed in the following tables, except as otherwise indicated, are approximations to the nearest $1,000,000 and therefore do not necessarily sum in columns or rows. For more detail refer to the Financial Statements in Part I, Item&nbsp;1. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><U>Three-months ended March</U><U></U><U>&nbsp;31, 2021, compared to three-months ended March</U><U></U><U>&nbsp;31, 2020.</U> </B></P>
<P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="92%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:8pt" ALIGN="center">


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<TD></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
<TD VALIGN="bottom"><B>Increase/(Decrease)</B></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD COLSPAN="2" VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
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<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="6" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>2021&nbsp;vs.&nbsp;2020</B></TD>
<TD VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
<TD VALIGN="bottom"><B>(Dollars in millions)</B></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>2021</B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>2020</B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" NOWRAP ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>$</B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>%</B></TD>
<TD VALIGN="bottom">&nbsp;</TD></TR>


<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Total revenues</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">&nbsp;0.3</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">&nbsp;1.0</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">&nbsp;(0.7)</TD>
<TD NOWRAP VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">71</TD>
<TD NOWRAP VALIGN="bottom">%&nbsp;</TD></TR>
<TR STYLE="font-size:1px; ">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR></TABLE>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">34 </P>

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<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="92%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" ALIGN="center">


<TR>

<TD WIDTH="75%"></TD>

<TD VALIGN="bottom" WIDTH="3%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>

<TD VALIGN="bottom" WIDTH="3%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>

<TD VALIGN="bottom" WIDTH="3%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>

<TD VALIGN="bottom" WIDTH="3%"></TD>
<TD></TD>
<TD></TD>
<TD></TD></TR>

<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Marketing, general&nbsp;and administrative</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">1.3</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">1.4</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">(0.1)</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">8</TD>
<TD NOWRAP VALIGN="bottom">%&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Operations and research</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">1.8</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">2.5</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">(0.7)</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">27</TD>
<TD NOWRAP VALIGN="bottom">%&nbsp;</TD></TR>
<TR STYLE="font-size:1px; ">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Total operating expenses</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"> 3.1</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"> 3.9</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">&nbsp;(0.8)</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">20</TD>
<TD NOWRAP VALIGN="bottom">%&nbsp;</TD></TR>
<TR STYLE="font-size:1px; ">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Other income (expense)</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">&nbsp;(2.3)</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">&nbsp;(1.5)</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"> 0.8</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">55</TD>
<TD NOWRAP VALIGN="bottom">%&nbsp;</TD></TR>
<TR STYLE="font-size:1px; ">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Income tax benefit (provision)</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"> 0.0</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"> 0.0</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"> 0.0</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">0</TD>
<TD NOWRAP VALIGN="bottom">%&nbsp;</TD></TR>
<TR STYLE="font-size:1px; ">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><FONT STYLE="white-space:nowrap">Non-controlling</FONT> interest</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"> 1.4</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"> 1.4</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"> 0.0</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">3</TD>
<TD NOWRAP VALIGN="bottom">%&nbsp;</TD></TR>
<TR STYLE="font-size:1px; ">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Net income (loss)</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">&nbsp;(3.7)</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">&nbsp;(2.9)</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"> 0.8</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">28</TD>
<TD NOWRAP VALIGN="bottom">%&nbsp;</TD></TR>
<TR STYLE="font-size:1px; ">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
</TABLE> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Revenue </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Revenue is primarily generated through the sale of technical and <FONT STYLE="white-space:nowrap">deep-sea</FONT> mineral marine services
either through expedition charters or for the services from our crew or equipment that are on a fee or cost-plus basis. Total revenue in the current quarter was $0.3&nbsp;million, a $0.7&nbsp;million decrease compared to the same period a year ago.
Revenue generated in each period was a result of performing marine research, project administration and search and recovery operations for our customers and related parties. In the prior year, we delivered marine services to two companies, one of
which is a <FONT STYLE="white-space:nowrap">deep-sea</FONT> mineral exploration company, CIC, owned and controlled by our past Chairman of the Board (see NOTE D), whom we consider to be a related party. A primary reason for the $0.7&nbsp;million
reduction was that the long-term project we were engaged on the last two years reached its life expectancy in the latter half of 2020. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman"><B>Operating Expenses </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Marketing, general and administrative expenses primarily include all costs within the following departments: Executive, Finance&nbsp;&amp;
Accounting, Legal, Information Technology, Human Resources, Marketing&nbsp;&amp; Communications, Sales and Business Development. Marketing, general and administrative expense decreased $0.1&nbsp;million to $1.3&nbsp;million for the three-month
period ended March&nbsp;31, 2021 compared to $1.4&nbsp;million from the same period in the prior year. The key items contributing to this $0.1&nbsp;million reduction was a decrease of $0.1&nbsp;million in employee incentives and compensation. An
increase of <FONT STYLE="white-space:nowrap">non-cash</FONT> long term incentive share-based compensation of $0.2&nbsp;million. A reduction of $0.2&nbsp;million of <FONT STYLE="white-space:nowrap">out-sourced</FONT> professional corporate services,
including legal, accounted for the remaining decrease. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Operations and research expenses are primarily focused around <FONT
STYLE="white-space:nowrap">deep-sea</FONT> mineral exploration which include minerals research, scientific services, marine operations and project management. Operations and research expenses decreased by $0.7&nbsp;million from 2020 to 2021
primarily as a result of the following items: (i)&nbsp;a $0.1&nbsp;million decrease in financed litigation costs directly associated with our NAFTA litigation pursuit, (ii)&nbsp;a $0.5&nbsp;million decrease in our marine services project contract
labor and (iii)&nbsp;a $0.1&nbsp;million savings in marine services operational overhead reductions. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Other Income and Expense </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Other income and expense generally consists of interest expense on our debt financing arrangements as well as, from time to time, the fair
value change of derivatives carried on the balance sheet. Total other income and expense was $2.3&nbsp;million and $1.5&nbsp;million in net expenses for 2021 and 2020, respectively, resulting in a net expense increase of $0.8&nbsp;million. This
variance was primarily attributable to a $0.2&nbsp;million decrease in the loss from change in derivative fair value of hour hybrid debt instrument due to this instrument was fully converted to shares of our common stock in December 2020 and a
$1.0&nbsp;million increase in interest expense in connection to our NAFTA litigation funding. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Taxes and
<FONT STYLE="white-space:nowrap">Non-Controlling</FONT> Interest </B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Due to losses, we did not accrue any taxes in either period ending
2021 or 2020. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Starting in 2013, we became the controlling shareholder of Oceanica. Our financial statements thus include the financial
results of Oceanica and its subsidiary, ExO. Except for intercompany transactions that are fully eliminated upon consolidation, Oceanica&#146;s revenues and expenses, in their entirety, are shown in our consolidated financial statements. The share
of Oceanica&#146;s net losses corresponding to the equity of Oceanica not owned by us is subsequently shown as the <FONT STYLE="white-space:nowrap">&#147;Non-Controlling</FONT> Interest&#148; in the consolidated statements of operations. The <FONT
STYLE="white-space:nowrap">non-controlling</FONT> interest adjustment in the first quarter of 2021 was $1.4&nbsp;million as compared to same amount of $1.4&nbsp;million in the first quarter of 2020. </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">35 </P>

</DIV></Center>


<p style="margin-top:1em; margin-bottom:0em; page-break-before:always">
<HR SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">


<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Liquidity and Capital Resources </B></P>
<P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="76%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" ALIGN="center">


<TR>

<TD WIDTH="70%"></TD>

<TD VALIGN="bottom" WIDTH="8%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>

<TD VALIGN="bottom" WIDTH="8%"></TD>
<TD></TD>
<TD></TD>
<TD></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="6" ALIGN="center"><B>Three-Months Ended</B></TD>
<TD VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
<TD VALIGN="bottom" NOWRAP><B>(In thousands)</B></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>March&nbsp;31,&nbsp;2021</B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>March&nbsp;31,&nbsp;2020</B></TD>
<TD VALIGN="bottom">&nbsp;</TD></TR>


<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Summary of Cash Flows:</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Net cash (used) by operating activities</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">&nbsp;(1,431)</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">&nbsp;(1,507)</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Net cash (used) provided by investing activities</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">&#151;&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">&#151;&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Net cash provided by financing activities</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">503</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">1,731</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1px; ">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Net (decrease) increase in cash and cash equivalents</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">&nbsp;(928)</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"> 224</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Beginning cash and cash equivalents</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">6,163</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">213</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1px; ">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Ending cash and cash equivalents</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"> 5,235</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"> 437</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1px; ">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
</TABLE> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><I>Discussion of Cash Flows </I></B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Net cash used by operating activities for the first three months of 2021 was $1.4&nbsp;million. This represents an approximate
$0.1&nbsp;million decrease in use of funds when compared to the use of 1.5&nbsp;million in the same period of 2020. The net cash used by operating activities reflected a net loss before <FONT STYLE="white-space:nowrap">non-controlling</FONT>
interest of $5.1&nbsp;million offset in part by <FONT STYLE="white-space:nowrap">non-cash</FONT> items of $0.8&nbsp;million, which primarily includes an investment in unconsolidated entity of $0.3&nbsp;million, share-based compensation of
$0.3&nbsp;million and other assets of $0.8&nbsp;million, which includes items such as amortization of financed lender fees, depreciation and interest accretion. Other operating activities resulted in an increase in working capital of
$3.6&nbsp;million. Changes to accrued expenses, accounts receivable, accounts payable and other assets in 2021 comprised the $3.6&nbsp;million. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Cash flows used by investing activities for the first three months of 2021 and 2020 were zero. We did not have any related investing cash flow
activity for these periods. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Cash flows provided by financing activities for the first three months of 2021 were $0.5&nbsp;million. The
$0.5&nbsp;million is comprised of $0.7&nbsp;million received from the sale of equity in our subsidiary offset by outflows of less than $0.1&nbsp;million for our lease obligation payment and payments of $0.2&nbsp;million for other debt obligation
payments. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman"><B><I>Other Cash Flow and Equity Areas </I></B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>General Discussion </B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">At March&nbsp;31,
2021, we had cash and cash equivalents of $5.2&nbsp;million, a decrease of $1.0&nbsp;million from the December&nbsp;31, 2020 balance of $6.2&nbsp;million. Epsilon converted its indebtedness comprised of $1.0&nbsp;million of principal and
$0.4&nbsp;million of interest into 411,562 shares of our common stock, see NOTE I. Our litigation funder paid, on our behalf, $0.6&nbsp;million of amounts due to vendors who are supporting our NAFTA litigation. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Financial debt of the company, excluding any derivative, hybrid-debt fair value accounting or beneficial conversion feature components of
such, was $43.2&nbsp;million at March&nbsp;31, 2021 and $43.2&nbsp;million at December&nbsp;31, 2020. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Since SEMARNAT initially declined
to approve the environmental permit application of our Mexican subsidiary in April 2016 and again in October 2018, notwithstanding that the Superior Court of the Federal Court of Administrative Justice (TFJA) in Mexico nullified SEMARNAT&#146;s
initial denial, we continue to support the efforts of our subsidiaries and partners to work through the administrative, legal and political process necessary to have the decision reviewed and overturned in the court of the TFJA. On January&nbsp;4,
2019, we initiated the process to submit a claim against Mexico to arbitration under the investment protection chapter of the North American Free Trade Agreement (NAFTA). On September&nbsp;4, 2020, we filed our First Memorial with the Tribunal. The
First Memorial is the filing that fully lays out our case, witnesses and evidence for the Tribunal. We continue to work diligently and in good faith with Mexico&#146;s current administration to achieve an equitable resolution of this dispute, but we
are prepared to proceed with the full NAFTA arbitration process if necessary, see ExO Phosphate Project in ITEM 2 above for further detail. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman"><B><I>Financings </I></B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Stock Purchase
Agreement </B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On March&nbsp;11, 2015, we entered into a Stock Purchase Agreement (the &#147;Purchase Agreement&#148;) with Penelope Mining
LLC (the &#147;Investor&#148;), and, solely with respect to certain provisions of the Purchase Agreement, Minera del Norte, S.A. de C.V. (the &#147;MINOSA&#148;). The Purchase Agreement provides for us to issue and sell to the Investor shares of our
preferred stock in the amounts and at the prices set forth below (the numbers set forth below have been adjusted to reflect the <FONT STYLE="white-space:nowrap"><FONT STYLE="white-space:nowrap">1-for-12</FONT></FONT> reverse stock split of
February&nbsp;19, 2016): </P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="68%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" ALIGN="center">


<TR>

<TD WIDTH="69%"></TD>

<TD VALIGN="bottom" WIDTH="7%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>

<TD VALIGN="bottom" WIDTH="7%"></TD>
<TD></TD>
<TD></TD>
<TD></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-bottom:1.00pt solid #000000; display:table-cell; font-size:8pt; font-family:Times New Roman; "><B>Series</B></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>No.&nbsp;of&nbsp;Shares</B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>Price&nbsp;per&nbsp;Share</B></TD>
<TD VALIGN="bottom">&nbsp;</TD></TR>


<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Series <FONT STYLE="white-space:nowrap">AA-1</FONT></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">8,427,004</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">&nbsp;12.00</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Series <FONT STYLE="white-space:nowrap">AA-2</FONT></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">7,223,145</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"> 6.00</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
</TABLE>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">36 </P>

</DIV></Center>


<p style="margin-top:1em; margin-bottom:0em; page-break-before:always">
<HR SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">


<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The closing of the sale and issuance of shares of the Company&#146;s preferred stock to the
Investor is subject to certain conditions, including the Company&#146;s receipt of required approvals from the Company&#146;s stockholders (received on June&nbsp;9, 2015), the receipt of regulatory approval, performance by the Company of its
obligations under the Purchase Agreement, receipt of certain third party consents, the listing of the underlying common stock on the NASDAQ Stock Market and the Investor&#146;s satisfaction, in its sole discretion, with the viability of certain
undersea mining projects of the Company. Completion of the transaction requires amending the Company&#146;s articles of incorporation to (a)&nbsp;effect a reverse stock split, which was done on February&nbsp;19, 2016, (b)&nbsp;adjusting the
Company&#146;s authorized capitalization, which was also done on February&nbsp;19, 2016, and (c)&nbsp;establishing a classified board of directors (collectively, the &#147;Amendments&#148;). The Amendments have been or will be set forth in
certificates of amendment to the Company&#146;s articles of incorporation filed or to be filed with the Nevada Secretary of State. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The
purchase and sale of 2,916,667 shares of <FONT STYLE="white-space:nowrap">Series&nbsp;AA-1</FONT> Preferred Stock at an initial closing and for the purchase and sale of the remaining 5,510,337 shares of
<FONT STYLE="white-space:nowrap">Series&nbsp;AA-1</FONT> Preferred Stock according to the following schedule, is subject to the satisfaction or waiver of specified conditions set forth in the Purchase Agreement: </P>
<P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="76%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" ALIGN="center">


<TR>

<TD WIDTH="71%"></TD>

<TD VALIGN="bottom" WIDTH="4%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>

<TD VALIGN="bottom" WIDTH="4%"></TD>
<TD></TD>
<TD></TD>
<TD></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-bottom:1.00pt solid #000000; display:table-cell; font-size:8pt; font-family:Times New Roman; "><B>Date</B></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B><FONT STYLE="white-space:nowrap">No.&nbsp;Series&nbsp;AA-</FONT></B><br><B>1&nbsp;Shares</B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>Total&nbsp;Purchase<BR>Price</B></TD>
<TD VALIGN="bottom">&nbsp;</TD></TR>


<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">March&nbsp;1, 2016</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">1,806,989</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">21,683,868</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">September&nbsp;1, 2016</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">1,806,989</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">21,683,868</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">March&nbsp;1, 2017</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">1,517,871</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">18,214,446</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">March&nbsp;1, 2018</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">378,488</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">4,541,856</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
</TABLE> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The Investor may elect to purchase all or a portion of the
<FONT STYLE="white-space:nowrap">Series&nbsp;AA-1</FONT> Preferred Stock before the other dates set forth above. The initial closing and the closing scheduled for March&nbsp;1, 2016, have not yet occurred because certain conditions to closing have
not yet been satisfied or waived. After completing the purchase of all <FONT STYLE="white-space:nowrap">AA-1</FONT> Preferred Stock, the Investor has the right, but not the obligation, to purchase all or a portion the 7,223,145 shares of Series <FONT
STYLE="white-space:nowrap">AA-2</FONT> Preferred Stock at any time after&nbsp;the closing price of the Common Stock on the NASDAQ Stock Market has been $15.12 or more for 20 consecutive trading days. The Investor&#146;s right to purchase the shares
of Series <FONT STYLE="white-space:nowrap">AA-2</FONT> Preferred Stock will terminate on the fifth anniversary of the initial closing under the Purchase Agreement. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The Purchase Agreement contains certain restrictions, subject to certain exceptions described below, on the Company&#146;s ability to
initiate, solicit or knowingly encourage or facilitate an alternative acquisition proposal, to participate in any discussions or negotiations regarding an alternative acquisition proposal, or to enter into any acquisition agreement, merger agreement
or similar definitive agreement, or any letter of intent, memorandum of understanding or agreement in principle, or any other agreement relating to an alternative acquisition proposal. These restrictions will continue until the earlier to occur of
the termination of the Purchase Agreement pursuant to its terms and the time at which the initial closing occurs. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The Purchase Agreement
also includes customary termination rights for both the Company and the Investor and provides that, in connection with the termination of the Purchase Agreement under specified circumstances, including in the event of a termination by the Company in
order to accept a Superior Proposal, the Company will be required to pay to the Investor a termination fee of $4.0&nbsp;million. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The
Purchase Agreement contains representations, warranties and covenants of the parties customary for a transaction of this type. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Subject to
the terms set forth in the Purchase Agreement, the Lender provided the Company, through a subsidiary of the Company, with loans of $14.75&nbsp;million, the outstanding amount of which, plus accrued interest, will be repaid from the proceeds from the
sale of the shares of <FONT STYLE="white-space:nowrap">Series&nbsp;AA-1</FONT> Preferred Stock at the initial closing. The outstanding principal balance of the loan at March&nbsp;31, 2021 was $14.75&nbsp;million. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The obligation to repay the loans is evidenced by a promissory note (the &#147;Note&#148;) in the amount of up to $14.75&nbsp;million and
bears interest at the rate of 8.0%&nbsp;per annum, and, pursuant to a pledge agreement (the &#147;Pledge Agreement&#148;) between the Lender and Odyssey Marine Enterprises Ltd., an indirect, wholly owned subsidiary of the Company (&#147;OME&#148;),
is secured by a pledge of 54.0&nbsp;million shares of Oceanica Resources S. de R.L., a Panamanian limitada (&#147;Oceanica&#148;), held by OME. In addition, OME and the Lender entered into a call option agreement (the &#147;Oceanica Call&#148;),
pursuant to which OME granted the Lender an option to purchase the 54.0&nbsp;million shares of Oceanica held by OME for an exercise price of $40.0&nbsp;million at any time during the <FONT STYLE="white-space:nowrap">one-year</FONT> period after the
Oceanica Call was executed and delivered by the parties. The Oceanica Call option expired on March&nbsp;11, 2016 without being executed or extended. On December&nbsp;15, 2015, the Promissory Note was amended to provide that, unless otherwise
converted as provided in the Note, the adjusted principal balance shall be due and payable in full upon written demand by MINOSA; provided that MINOSA agrees that it shall not demand payment of the adjusted principal balance earlier than the first
to occur of: </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">37 </P>

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(i)&nbsp;30 days after the date on which (x)&nbsp;SEMARNAT makes a determination with respect to the current application for the Manifestacion de Impacto Ambiental relating to our phosphate
deposit project, which determination is other than an approval or (y)&nbsp;Enterprises or any of its affiliates withdraws such application without MINOSA&#146;s prior written consent; (ii)&nbsp;termination by Odyssey of the Stock Purchase Agreement,
dated March&nbsp;11, 2015 (the &#147;Purchase Agreement&#148;), among Odyssey, MINOSA, and Penelope Mining, LLC (the &#147;Investor&#148;); (iii)&nbsp;the occurrence of an event of default under the Promissory Note; (iv)&nbsp;March&nbsp;30, 2016; or
(v)&nbsp;if and only if the Investor shall have terminated the Purchase Agreement pursuant to Section&nbsp;8.1(d)(iii) thereof, March&nbsp;30, 2016. On March&nbsp;18, 2016, the agreements with MINOSA and Penelope were further amended and extended
the maturity date of the loan to March&nbsp;18, 2017(see NOTE I). </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On March&nbsp;18, 2016, Odyssey entered into a $3.0&nbsp;million Note
Purchase Agreement with Epsilon Acquisitions LLC (see below and NOTE I). </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Epsilon is an investment vehicle of Mr.&nbsp;Alonso Ancira who
is Chairman of the Board of AHMSA, an entity that controls MINOSA. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Class&nbsp;AA Convertible Preferred Stock </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Pursuant to a certificate of designation (the &#147;Designation&#148;) to be filed with the Nevada Secretary of State, each share of <FONT
STYLE="white-space:nowrap">Series&nbsp;AA-1</FONT> Convertible Preferred Stock and Series <FONT STYLE="white-space:nowrap">AA-2</FONT> Convertible Preferred Stock (collectively, the &#147;Class&nbsp;AA Preferred Stock&#148;) will be convertible into
one share of Common Stock at any time and from time to time at the election of the holder. Each share of Class&nbsp;AA Preferred Stock will rank pari passu with all other shares of Class&nbsp;AA Preferred Stock and senior to shares of Common Stock
and all other classes and series of junior stock. If the Company declares a dividend or makes a distribution to the holders of Common Stock, the holders of the Class&nbsp;AA Preferred Stock will be entitled to participate in the dividend or
distribution on an <FONT STYLE="white-space:nowrap">as-converted</FONT> basis. Each share of Class&nbsp;AA Preferred Stock shall entitle the holder thereof to vote, in person or by proxy, at any special or annual meeting of stockholders, on all
matters voted on by holders of Common Stock, voting together as a single class with other shares entitled to vote thereon. So long as a majority of the shares of the Class&nbsp;AA Preferred Stock are outstanding, the Company will be prohibited from
taking specified extraordinary actions without the approval of the holders of a majority of the outstanding shares of Class&nbsp;AA Preferred Stock. In the event of the liquidation of the Company, each holder of shares of Class&nbsp;AA Preferred
Stock then outstanding shall be entitled to be paid, out of the assets of the Corporation available for distribution to its stockholders, an amount in cash equal to the greater of (a)&nbsp;the amount paid to the Company for such holder&#146;s shares
of Class&nbsp;AA Preferred Stock, plus an accretion thereon of 8.0%&nbsp;per annum, compounded annually, and (b)&nbsp;the amount such holder would be entitled to receive had such holder converted such shares of Class&nbsp;AA Preferred into Common
Stock immediately prior to such time at which payment will be made or any assets distributed. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Stockholder Agreement </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The Purchase Agreement provides that, at the initial closing, the Company and the Investor will enter into a stockholder agreement (the
&#147;Stockholder Agreement&#148;). The Stockholder Agreement will provide that (a)&nbsp;in connection with each meeting of the Company&#146;s stockholders at which directors are to be elected, the Company will (i)&nbsp;nominate for election as
members of the Company&#146;s board of directors a number of individuals designated by the Investor (&#147;Investor Designees&#148;) equivalent to the Investor&#146;s proportionate ownership of the Company&#146;s voting securities (rounded up to the
next highest integer) less the number of Investor Designees who are members of the board of directors and not subject to election at such meeting, and (ii)&nbsp;use its reasonable best efforts to cause such nominees to be elected to the board of
directors; (b)&nbsp;the Company will cause one of the Investor Designees to serve as a member of (or at such Investor Designee&#146;s election, as an observer to) each committee of the Company&#146;s board of directors; and (c)&nbsp;each Investor
Designee shall have the right to enter into an indemnification agreement with the Company (an &#147;Indemnification Agreement&#148;) pursuant to which such Investor Designee is indemnified by the Company to the fullest extent allowed by Nevada law
if, by reason of his or her serving as a director of the Company, such Investor Designee is a party or is threatened to be made a party to any proceeding or by reason of anything done or not done by such Investor Designee in his or her capacity as a
director of the Company. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The Stockholder Agreement will provide the Investor with <FONT STYLE="white-space:nowrap">pre-emptive</FONT>
rights with respect to certain equity offerings of the Company and restricts the Company from selling equity securities until the Investor has purchased all the Class&nbsp;AA Preferred Stock or no longer has the right or obligation to purchase any
of the Class&nbsp;AA Preferred Stock. The Stockholder Agreement will also provide the Investor with certain &#147;first look&#148; rights with respect to certain mineral deposits discovered by the Company or its subsidiaries. Pursuant to the
Stockholder Agreement, the Company will grant the Investor certain demand and piggy-back registration rights, including for shelf registrations, with respect to the resale of the shares of Common Stock issuable upon conversion of the Class&nbsp;AA
Preferred Stock. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Litigation Financing </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On June&nbsp;14, 2019, Odyssey and Exploraciones Oce&aacute;nicas&nbsp;S. de R.L. de C.V., our Mexican subsidiary (&#147;ExO&#148; and,
together with Odyssey, the &#147;Claimholder&#148;), and Poplar Falls LLC (the &#147;Funder&#148;) entered into an International Claims Enforcement </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">38 </P>

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Agreement (the &#147;Agreement&#148;), pursuant to which the Funder agreed to provide financial assistance to the Claimholder to facilitate the prosecution and recovery of the claim by the
Claimholder against the United Mexican States under Chapter Eleven of the North American Free Trade Agreement (&#147;NAFTA&#148;) for violations of the Claimholder&#146;s rights under NAFTA related to the development of an undersea phosphate deposit
off the coast of Baja Sur, Mexico (the &#147;Project&#148;),&nbsp;on our own behalf and on behalf of ExO and United Mexican States (the &#147;Subject Claim&#148;). Pursuant to the Agreement, the Funder agreed to specified fees and expenses regarding
the Subject Claim (the &#147;Claims Payments&#148;) incrementally and at the Funder&#146;s sole discretion. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Under the terms of the
Agreement, the Funder agreed to make Claims Payments in an aggregate amount not to exceed $6,500,000 (the &#147;Maximum Investment Amount&#148;). The Maximum Investment Amount will be made available to the Claimholder in two phases, as set forth
below: </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="5%" VALIGN="top" ALIGN="left">(c)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">a first phase, in which the Funder shall make Claims Payments in an aggregate amount no greater than $1,500,000
for the payment of antecedent and ongoing costs (&#147;Phase I Investment Amount&#148;); and </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="5%" VALIGN="top" ALIGN="left">(d)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">a second phase, in which the Funder shall make Claims Payments in an aggregate amount no greater than
$5,000,000 for the purposes of pursuing the Subject Claim to a final award (&#147;Phase II Investment Amount&#148;). </P></TD></TR></TABLE>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Upon exhaustion of the Phase&nbsp;I Investment Amount, the Claimholder will have the option to request Tranche&nbsp;A of the Phase&nbsp;II
Investment Amount, consisting of funding up to $3.5&nbsp;million (&#147;Tranche&nbsp;A Committed Amount&#148;). Upon exhaustion of the Tranche&nbsp;A Committed Amount, the Claimholder will have the option to request Tranche&nbsp;B of the
Phase&nbsp;II Investment Amount, consisting of funding of up to $1.5&nbsp;million (&#147;Tranche&nbsp;B Committed Amount&#148;). The Claimholder must exercise its option to receive the Tranche&nbsp;A Committed Amount in writing, no less than thirty
days before submitting a Funding Request to the Funder under Tranche&nbsp;A. The Claimholder must exercise its option to receive the Tranche&nbsp;B Committed Amount in writing within forty-five days after the exhaustion of the Tranche&nbsp;A
Committed Amount. Pursuant to the Agreement, the Claimholder agreed that, upon exercising the Claimholder&#146;s option to receive funds under Phase&nbsp;I, Tranche&nbsp;A of Phase&nbsp;II, or Tranche&nbsp;B of Phase&nbsp;II, the Funder will be the
sole source of third-party funding for the specified fees and expenses of the Subject Claim under each respective phase and tranche covered by the option exercised, and the Claimholder will obtain funding for such fees and expenses only as set forth
in the Agreement. The Funder was due closing fee of $80,000 for the Phase&nbsp;I Investment Amount, and $80,000 for the Phase&nbsp;II Investment Amount to pay third parties in connection with due diligence and other administrative and transaction
costs incurred by the Funder prior to and in furtherance of execution of the Agreement. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Upon the Funder making Claims Payments to the
Claimholder or its designees in an aggregate amount equal to the Maximum Investment Amount, the Funder has the option to continue funding the specified fees and expenses in relation to the Subject Claim on the same terms and conditions provided in
the Agreement. The Funder must exercise its option to continue funding in writing, within thirty days after the Funder has made Claims Payments in an aggregate amount equal to the Maximum Investment Amount. If the Funder exercises its option to
continue funding, the parties agreed to attempt in good faith to amend the Agreement to provide the Funder with the right to provide at the Funder&#146;s discretion funding in excess of the Maximum Investment Amount, in an amount up to the greatest
amount that may then be reasonably expected to be committed for investment in Subject Claim. If the Funder declines to exercise its option, the Claimholder may negotiate and enter into agreements with one or more third parties to provide funding,
which shall be subordinate to the Funder&#146;s rights under the Agreement. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The Agreement provides that the Claimholder may at any time
without the consent of the Funder either settle or refuse to settle the Subject Claim for any amount; provided, however, that if the Claimholder settles the Subject Claim without the Funder&#146;s consent, which consent shall not be unreasonably
withheld, conditioned, or delayed, the value of the Recovery Percentage (as defined below) will be deemed to be the greater of (a)&nbsp;the Recovery Percentage (under Phase&nbsp;I or Phase&nbsp;II, as applicable), or (b)&nbsp;the total amount of all
Claims Payments made in connection with such Subject Claim multiplied by three (3). </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">If the Claimholder ceases the Subject Claim for any
reason other than (a)&nbsp;a full and final arbitral award against the Claimholder or (b)&nbsp;a full and final monetary settlement of the claims, including in particular, for a grant of an environmental permit to the Claimholder allowing it to
proceed with the Project (with or without a monetary component), all Claims Payments under Phase&nbsp;I and, if Claimholder has exercised the corresponding option, the Tranche&nbsp;A Committed Amount and Tranche&nbsp;B Committed Amount, shall
immediately convert to a senior secured liability of the Claimholder. This sum shall incur an annualized internal rate of return (IRR) of 50.0% retroactive to the date each Funding Request was paid by the Funder (under Phase&nbsp;I), or, to the
conversion date for the Tranche&nbsp;A Committed Amount and Tranche&nbsp;B Committed Amount of Phase&nbsp;II if the Claimholder has exercised the respective option (collectively, the &#147;Conversion Amount&#148;). Such Conversion Amount and any and
all accrued IRR shall be <FONT STYLE="white-space:nowrap">payable&nbsp;in-full&nbsp;by</FONT> the Claimholder within 24 months of the date of such conversion, after which time any outstanding Conversion Amounts, shall accrue an (IRR) of 100.0%,
retroactive to the conversion date (the &#147;Penalty Interest Amount&#148;). The Claimholder will execute such documents and take other actions as necessary to grant the Funder a senior security interest on and over all sums due and owing by the
Claimholder in order to secure its obligation to pay the Conversion Amount to the Funder. If the Claimholder ceases the Subject Claim due to the grant of an environmental permit (with or without a monetary component), all Claims Payments under Phase
1 and, if the Claimholder has exercised the corresponding option, the Tranche A Committed Amount and Tranche B Committed Amount shall immediately convert to a senior secured liability of the Claimholder and shall incur an annualized an IRR
</P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">39 </P>

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of 50.0% on the Conversion Amount, from the conversion date. Management has estimated it is more likely than not the Subject Claim will result in the issuance of the environmental permit
requiring us to record interest under Generally Accepted Accounting Principles. Reliance should not be placed on this estimate in determining the likely outcome of the Subject Claim. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">If, at any time after exercising its option to receive funds under either Tranche&nbsp;A or Tranche&nbsp;B of Phase&nbsp;II, the Claimholder
wishes to fund the Subject Claim with its own capital (&#147;Self-Funding&#148;) (which excludes any Claims Payments made, either directly or indirectly, by any other third party), the Claimholder shall immediately pay to the Funder the Conversion
Amount, provided that this requirement shall not apply if, after the Funder has made Claims Payments in an aggregate amount equal to the Maximum Investment Amount, the Funder does not exercise its option to provide
<FONT STYLE="white-space:nowrap">Follow-On&nbsp;Funding.</FONT> </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">In the event of any receipt of proceeds resulting from the Subject
Claim<B></B>&nbsp;(&#147;Proceeds&#148;), the Funder shall be entitled to any additional sums above the Conversion Amount to which the Funder is entitled as described below. Should the Claimholder cease the Subject Claim as described above after
Self-Funding the Claim, accrued IRR and Penalty Interest shall be calculated and paid to the Funder as set forth above. The Funder&#146;s rights to the Recovery Percentage as defined below shall survive any decision by Claimholder to utilize
Self-Funding. The parties acknowledge this Agreement constitutes a sale of the right to a portion of the Proceeds (if any) arising from the Subject Claim as set forth in this Agreement. The Claimholder has relinquished its right to the portion of
the proceeds, if any, that the Funder would have the right to as described below. This sale of proceeds is being accounted for under the guidance of ASC <FONT STYLE="white-space:nowrap"><FONT STYLE="white-space:nowrap">470-10-25</FONT></FONT>
<I>Recognition (Sales of Future Revenues)</I> </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On each Distribution Date, distributions of the Proceeds shall be made to the Claimholder
and the Funder in accordance with subparagraph (a)&nbsp;or (b)&nbsp;below (the &#147;Recovery Percentage&#148;), as applicable: </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="5%" VALIGN="top" ALIGN="left">(a)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">If the Claimholder receives only the Phase I Investment Amount from the Funder, the first Proceeds shall be
distributed as follows: </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="9%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">(i)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">first, 100.0% to the Funder, until the cumulative amount distributed to the Funder equals the total Claims
Payments paid by the Funder under Phase&nbsp;I; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="9%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">(ii)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">second, 100.0% to the Funder until the cumulative amount distributed to the Funder equals an IRR of 20% of
Claims Payments paid by the Funder under Phase I (&#147;Phase I Compensation&#148;), per annum; and </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="9%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">(iii)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">thereafter, 100.0% to the Claimholder. </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="5%" VALIGN="top" ALIGN="left">(b)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">If the Claimholder exercises its options to receive Tranche A or both Tranche&nbsp;A and Tranche&nbsp;B of the
Phase&nbsp;II Investment Amount, the first Proceeds shall be distributed as follows: </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="9%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">(i)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">first, 100.0% to the Funder until the cumulative amount distributed to the Funder equals the total Claims
Payments paid by the Funder under Phases I and II; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TR style = "page-break-inside:avoid">
<TD WIDTH="9%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">(ii)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">second, 100.0% to the Funder until the cumulative amount distributed to the Funder equals an additional 300.0%
of Phase I Investment Amount; plus an additional 300% of the Tranche A Committed Amount (i.e. 300.0% of $3.5 million), less any amounts remaining of the Tranche A Committed Amount that the Funder did not pay as Claims Payments; plus an additional
300.0% of the Tranche B Committed Amount (i.e. 300.0% of $1.5 million), if the Claimholder exercises the Tranche B funding option, less any amounts remaining of the Tranche B Committed Amount that the Funder did not pay as Claims Payments;
</P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TR style = "page-break-inside:avoid">
<TD WIDTH="9%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">(iii)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">third, for each $10,000 in specified fees and expenses paid by the Funder under Phase I and Phase II and any
amounts over each $10,000 of the Tranche A Committed Amount and the Tranche B Committed Amount (if the Claimholder exercises the Tranche B funding option), 0.01% of the total Proceeds from any recoveries after repayment of (i)&nbsp;and
(ii)&nbsp;above, to the Funder; and </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="9%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">(iv)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">thereafter, 100% to the Claimholder. </P></TD></TR></TABLE>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The Agreement provides that if no Proceeds are ever paid to or received by the Claimholder or its representatives and if the environmental
permit is not issued, the Funder shall have no right of recourse or right of action against the Claimholder or its representatives, or any of their respective property, assets, or undertakings, except as otherwise specifically contemplated by the
Agreement. If (a)&nbsp;Proceeds are paid to or received by the Claimholder or its representatives; (b)&nbsp;such Proceeds are promptly applied and/or distributed by the Claimholder or on behalf of the Claimholder in accordance with the terms of the
Agreement; and (c)&nbsp;the amount received by the Funder as a result thereof is not sufficient to pay all of the Recovery Percentage and all of the amounts due to the Funder under the Agreement, then (provided that all of the Proceeds which the
Funder will ever be entitled to have been paid to or received by the Funder), the Funder shall have no right of recourse or action against the Claimholder or its Representatives, or any of their property, assets, or undertakings, except as otherwise
specifically contemplated by the Agreement. Pursuant to the Agreement, the Claimholder acknowledged the Funder&#146;s priority right, title, and interest in any Proceeds, including against any </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">40 </P>

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available collateral to secure its obligations under the Agreement, which security interest shall be first in priority as against all other security interests in the Proceeds. The Claimholder
also acknowledged and agreed to execute and authorize the filing of a financing statement or similar and to take such other actions in such jurisdictions as the Funder, in its sole discretion, deems necessary and appropriate to perfect such security
interest. The Agreement also includes representations and warranties, covenants, conditions, termination and indemnification provisions, and other provisions customary for comparable arrangements. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman"><B><I>Amendment and Restatement (January 31, 2020) </I></B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On January&nbsp;31, 2020, the Claimholder and the Funder entered into an Amended and Restated International Claims Enforcement Agreement (the
&#147;Restated Agreement&#148;). The material terms and provisions that were amended or otherwise modified are as follows: </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">The Funder has agreed to provide up to $2.2&nbsp;million in Arbitration Support Funds for the purpose of paying
the Claimholder&#146;s litigation support costs in connection with Subject Claim; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">A closing fee of $200,000 has been retained by the Funder in connection with due diligence and other transaction
costs incurred by the Funder; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">A warrant was issued to purchase our common stock which is exercisable for a period of five years beginning on
the earlier of (a)&nbsp;the date on which the Claimholder ceases the Subject Claim for any reason other than a full and final arbitral award against the Claimholder or a full and final monetary settlement of the claims or (b)&nbsp;the date on which
Proceeds are received and deposited into escrow. The exercise price per share is $3.99, and the Funder can exercise the warrant to purchase the number of shares of our common stock equal to the dollar amount of Arbitration Support Funds provided to
us pursuant to the Restated Agreement divided by the exercise price per share (subject to customary adjustments and limitations); and </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">All other terms in the Restated Agreement are substantially the same as in the original Agreement.
</P></TD></TR></TABLE> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">During 2020, the Funder provided us with $2.0&nbsp;million of the Arbitration Support Funds, and we incurred $200,000
in related fees that were treated as an additional advance. Upon each funding, the proceeds were allocated between debt and equity for the warrants based on the relative fair value of the two instruments. As a result, there was a debt discount of
$1,063,811 which is being amortized over the expected remaining term of the agreement using the effective interest method which is charged to interest expense. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Although the warrants only become exercisable upon the occurrence of future events, they are considered issued for accounting purposes and
were valued using a binomial lattice model. The expected volatility assumption was based on the historical volatility of our common stock. The expected life assumption was primarily based on management&#146;s expectations of when the Warrants will
become exercisable and the risk-free interest rate for the expected term of the warrant is based on the U.S. Treasury yield curve in effect at the time of measurement. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; margin-left:4%; font-size:10pt; font-family:Times New Roman"><B><I>Second Amendment and Restatement (December 12, 2020) </I></B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On December&nbsp;12, 2020, the Claimholder and the Funder entered into a Second Amended and Restated International Claims Enforcement Agreement
(the &#147;Second Restated Agreement&#148;) relating to the Subject Claim. Under the terms of the Second Restated Agreement, the Funder has made and agreed to make Claims Payments in an aggregate amount not to exceed $20,000,000 (the &#147;Maximum
Investment Amount&#148;). The Second Restated Agreement requires the Funder to make Claims Payments in an aggregate amount no greater than $10,000,000 for the purposes of pursuing the Subject Claim to a final award (&#147;Phase&nbsp;III Investment
Amount&#148;). We also incurred $200,000 in related fees which were treated as an additional advance. This Second Restated Agreement includes the same representations and warranties, covenants, conditions, termination and indemnification provisions,
and other provisions as in the original agreement. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The March&nbsp;31, 2021 and December&nbsp;31,2020 carrying value of the debt is
$11,625,729 and $10,968,729, respectively, and is net of unamortized debt fees of $318,804 and $347,786, respectively, as well as the net unamortized debt discount of $840,484 and $890,962, respectively, associated with the fair value of the
warrant. The total face value of this obligation at March&nbsp;31, 2021 and December&nbsp;31, 2020 was $12,785,016 and 12,207,477, respectively. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Promissory Note </B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">We applied to Fifth
Third Bancorp (&#147;Fifth Third&#148;) under the Small Business Administration (the &#147;SBA&#148;) Paycheck Protection Program of the Coronavirus Aid, Relief and Economic Security Act of 2020 (the &#147;CARES Act&#148;) for a loan of $370,400
(the &#147;Loan&#148;), and the Loan was made on April&nbsp;16, 2020. The proceeds of the Loan were used to cover payroll costs, rent and utilities in accordance with the relevant terms and conditions of the CARES Act. </P>
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 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The Loan, which is evidenced by promissory note issued by us (the &#147;Promissory
Note&#148;), has <FONT STYLE="white-space:nowrap">a&nbsp;two-year&nbsp;term,</FONT> matures on April&nbsp;16, 2022, and bears interest at a rate of 0.98% per annum. Monthly principal and interest payments, less the amount of any potential
forgiveness (discussed below), will commence seven months from the month this Note is dated. We did not provide any collateral or guarantees for the Loan, nor did we pay any facility charge to obtain the Loan. The Promissory Note provides for
customary events of default, including, among others, those relating to failure to make payment, bankruptcy, breaches of representations and material adverse effects. Odyssey may prepay the principal of the Loan at any time without incurring any
prepayment charges. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The Loan may be forgiven partially or fully if the Loan proceeds are used for covered payroll costs, rent and
utilities, provided that such amounts are incurred during the eight-week period that commenced on April&nbsp;16, 2020, and at least 75% of any forgiven amount has been used for covered payroll costs. During June 2020, the 75% requirement was reduced
to 60% and the eight-week period was amended to a <FONT STYLE="white-space:nowrap">24-week</FONT> period. Any forgiveness of the Loan will be subject to approval by the SBA and Fifth Third and will require us to apply for such treatment. During
March 2021, we applied for 100% forgiveness with Fifth Third. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Promissory Note </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On June&nbsp;26, 2020, we executed the standard loan documents required for securing an Economic Injury Disaster Loan (the &#147;EIDL
Loan&#148;) from the United States Small Business Administration (the &#147;SBA&#148;). The principal amount of the&nbsp;EIDL Loan is $149,900, with proceeds to be used for working capital purposes. Interest on the&nbsp;EIDL Loan accrues at the rate
of 3.75% per annum and installment payments, including principal and interest, are due monthly beginning twelve months from the date of the&nbsp;EIDL Loan in the amount of $731. The balance of principal and interest is payable thirty years from the
date of the promissory note. In connection with the&nbsp;EIDL Loan, the Company executed the&nbsp;EIDL Loan documents, which include the SBA Secured Disaster Loan Note, dated May&nbsp;16, 2020, the Loan Authorization and Agreement, dated
May&nbsp;16, 2020, and the Security Agreement, dated May&nbsp;16, 2020, each between the SBA and the Company. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Going Concern Consideration </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">We have experienced several years of net losses and may continue to do so. Our ability to generate net income or positive cash flows for the
following twelve months is dependent upon financings, our success in developing and monetizing our interests in mineral exploration entities, generating income from exploration charters, collecting on amounts owed to us, or completing the
MINOSA/Penelope equity financing transaction approved by our stockholders on June&nbsp;9, 2015. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Our 2021 business plan requires us to
generate new cash inflows to effectively allow us to perform our planned projects. We continually plan to generate new cash inflows through the monetization of our receivables and equity stakes in seabed mineral companies, financings, syndications
or other partnership opportunities. If cash inflow ever becomes insufficient to meet our desired projected business plan requirements, we would be required to follow a contingency business plan which is based on curtailed expenses and fewer cash
requirements. On August&nbsp;21, 2020, we sold an aggregate of 2,553,314 shares of our common stock and warrants to purchase up to 1,901,989 shares of our common stock. The net proceeds received from this sale, after offering expenses of
$0.3&nbsp;million, were $11.3&nbsp;million (See NOTE J). These proceeds, coupled with the anticipated cash inflows are expected to provide operating funds through early 2022. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On March&nbsp;11, 2015, we entered into a Stock Purchase Agreement with Minera del Norte S.A. de c.v. (&#147;MINOSA&#148;) and Penelope Mining
LLC (&#147;Penelope&#148;), an affiliate of MINOSA, pursuant to which (a)&nbsp;MINOSA agreed to extend short-term, debt financing to Odyssey of up to $14.75&nbsp;million, and (b)&nbsp;Penelope agreed to invest up to $101&nbsp;million over three
years in convertible preferred stock of Odyssey. The equity financing is subject to the satisfaction of certain conditions, including the approval of our stockholders which occurred on June&nbsp;9, 2015, and MINOSA and Penelope are currently under
no obligation to make the preferred share equity investments. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Our consolidated <FONT STYLE="white-space:nowrap">non-restricted</FONT>
cash balance at March&nbsp;31, 2021 was $5.2&nbsp;million. We have a working capital deficit at March&nbsp;31, 2021 of $49.2&nbsp;million. Our largest loan of $14.75&nbsp;million from MINOSA had a due date of December&nbsp;31, 2017 which is now
linked to other stipulations, see NOTE I for further detail. The majority of our remaining assets have been pledged to MINOSA, and its affiliates, and to Monaco Financial LLC, leaving us with few opportunities to raise additional funds from our
balance sheet. The total consolidated book value of our assets was approximately $11.0&nbsp;million at March&nbsp;31, 2021, which includes cash of $5.2&nbsp;million, and the fair market value of these assets may differ from their net carrying book
value. Even though we executed the above noted financing arrangement with Penelope, Penelope must purchase the shares for us to be able to complete the equity component of the transaction. The Penelope equity transaction is heavily dependent on the
outcome of our subsidiary&#146;s application approval process for an environmental permit (EIA) to commercially develop a mineralized phosphate deposit off the coast of Mexico. The factors noted above raise doubt about our ability to continue as a
going concern. These consolidated financial statements do not include any adjustments to the amounts and classification of assets and liabilities that may be necessary should we be unable to continue as a going concern. </P>
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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>New Accounting Pronouncements </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">In August 2020, the Financial Accounting Standards Board (FASB) issued Accounting Standards Update (ASU)
<FONT STYLE="white-space:nowrap">No.&nbsp;2020-06,</FONT> Debt-Debt with Conversion and Other Options (Subtopic <FONT STYLE="white-space:nowrap">470-20)</FONT> and Derivatives and Hedging-Contracts in Entity&#146;s Own Equity (Subtopic <FONT
STYLE="white-space:nowrap">815-40).</FONT> The amendments in the update are effective for public business entities that meet the definition of a Securities and Exchange Commission (SEC) filer, excluding entities eligible to be smaller reporting
companies as defined by the SEC, for fiscal years beginning after December&nbsp;15, 2021, including interim periods within those fiscal years. For all other entities, the amendments are effective for fiscal years beginning after December&nbsp;15,
2023, including interim periods within those fiscal years. Early adoption is permitted, but no earlier than fiscal years beginning after December&nbsp;15, 2020, including interim periods within those fiscal years. The FASB specified that an entity
should adopt the guidance as of the beginning of its annual fiscal year. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The amendments in ASU
<FONT STYLE="white-space:nowrap">No.&nbsp;2020-06</FONT> affect entities that issue convertible instruments and/or contracts in an entity&#146;s own equity. For convertible instruments, the instruments primarily affected are those issued with
beneficial conversion features or cash conversion features because the accounting models for those specific features are removed. However, all entities that issue convertible instruments are affected by the amendments to the disclosure requirements
in the update. For contracts in an entity&#146;s own equity, the contracts primarily affected are freestanding instruments and embedded features that are accounted for as derivatives under the current guidance because of failure to meet the
settlement conditions of the derivatives scope exception related to certain requirements of the settlement assessment. The FASB simplified the settlement assessment by removing the requirements (1)&nbsp;to consider whether the contract would be
settled in registered shares, (2)&nbsp;to consider whether collateral is required to be posted, and (3)&nbsp;to assess shareholder rights. Those amendments also affect the assessment of whether an embedded conversion feature in a convertible
instrument qualifies for the derivatives scope exception. Additionally, the amendments in the update affect the diluted EPS calculation for instruments that may be settled in cash or shares and for convertible instruments. The Company has not
elected early adoption of this ASU <FONT STYLE="white-space:nowrap">No.&nbsp;2020-06</FONT> at this time. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On October 31, 2018, the SEC
adopted a final rule (&#147;New Final Rule&#148;) that will replace SEC&nbsp;Industry&nbsp;Guide&nbsp;7&nbsp;with new disclosure requirements that are more closely aligned with current industry and global regulatory practices and standards,
including NI <FONT STYLE="white-space:nowrap">43-101.</FONT> Companies must comply with the New Final Rule for the company&#146;s annual filing for first fiscal year beginning on or after January&nbsp;1, 2021. Although early voluntary compliance
with the New Final Rule is permitted, the Company has not elected early adoption of the New Final Rule at this time. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Other recent
accounting pronouncements issued by the FASB, the AICPA and the SEC did not or are not believed by management to have a material effect, if any, on the Company&#146;s financial statements. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><FONT STYLE="white-space:nowrap">Off-Balance</FONT> Sheet Arrangements </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">We do not engage in <FONT STYLE="white-space:nowrap">off-balance</FONT> sheet financing arrangements. In particular, we do not have any
interest in <FONT STYLE="white-space:nowrap">so-called</FONT> limited purpose entities, which include special purpose entities (SPEs) and structured finance entities. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><A NAME="tx134608_8"></A>ITEM&nbsp;3. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Market risk is the exposure to loss resulting from changes in interest rates, foreign currency exchange rates, commodity prices and equity
prices. We currently do not have any debt obligations with variable interest rates. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><A NAME="tx134608_9"></A>ITEM&nbsp;4. CONTROLS AND PROCEDURES
</B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">We maintain a set of disclosure controls and procedures designed to ensure that information required to be disclosed in reports that
we file or submit under the Securities Exchange Act of 1934 is recorded, processed, summarized and reported within the time periods specified in Securities and Exchange Commission rules and forms. As of the end of the period covered by this report,
based on an evaluation carried out under the supervision and with the participation of our management, including the Chief Executive Officer (CEO) and Chief Financial Officer (CFO), of the effectiveness of our disclosure controls and procedures, the
CEO and CFO have concluded that our disclosure controls and procedures are effective. There have been no significant changes in our internal controls over financial reporting to date in 2021 that have materially affected, or are reasonably likely to
materially affect, our internal controls over financial reporting. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>PART II. OTHER INFORMATION </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><A NAME="tx134608_10"></A>ITEM&nbsp;1. Legal Proceedings </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The Company is not currently a defendant to any litigation. From time to time in the ordinary course of business, we may be subject to or may
assert a variety of claims or lawsuits. We are not a party to any litigation as a defendant where a loss contingency is required to be reflected in our consolidated financial statements. </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">43 </P>

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<p style="margin-top:1em; margin-bottom:0em; page-break-before:always">
<HR SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">


<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><A NAME="tx134608_11"></A>ITEM&nbsp;1A. Risk Factors </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">For information regarding risk factors, please refer to Item 1A in the Company&#146;s Annual Report on Form
<FONT STYLE="white-space:nowrap">10-K</FONT> for the year ended December&nbsp;31, 2020. Investors should consider such risk factors prior to making an investment decision with respect to the Company&#146;s securities. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><A NAME="tx134608_12"></A>ITEM&nbsp;2. Unregistered Sales of Equity Securities and Use of Proceeds </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">None. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><A NAME="tx134608_13"></A>ITEM&nbsp;4.
Mine Safety Disclosures </B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Not applicable </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">44 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><A NAME="tx134608_14"></A>ITEM&nbsp;6. Exhibits </B></P>
<P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" ALIGN="center">


<TR>

<TD></TD>

<TD VALIGN="bottom" WIDTH="3%"></TD>
<TD WIDTH="93%"></TD></TR>


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<TD VALIGN="top" NOWRAP>&nbsp;&nbsp;31.1</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"><A HREF="d134608dex311.htm">Certification of Chief Executive Officer pursuant to Section&nbsp;302 of the Sarbanes-Oxley Act of 2002 (Filed herewith electronically)</A></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" NOWRAP>&nbsp;&nbsp;31.2</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"><A HREF="d134608dex312.htm">Certification of Chief Financial Officer pursuant to Section&nbsp;302 of the Sarbanes-Oxley Act of 2002 (Filed herewith electronically)</A></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" NOWRAP>&nbsp;&nbsp;32.1</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"><A HREF="d134608dex321.htm">Certification of Chief Executive Officer pursuant to 18 U.S.C. Section&nbsp;1350 (Filed herewith electronically) </A></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" NOWRAP>&nbsp;&nbsp;32.2</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"><A HREF="d134608dex322.htm">Certification of Chief Financial Officer pursuant to 18 U.S.C. Section&nbsp;1350 (Filed herewith electronically) </A></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" NOWRAP>101.1</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top">Interactive Data File</TD></TR>
</TABLE> <P STYLE="margin-top:24pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B><A NAME="tx134608_15"></A>SIGNATURES </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by
the undersigned, thereunto duly authorized. </P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD WIDTH="48%"></TD>

<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD WIDTH="3%"></TD>

<TD VALIGN="bottom"></TD>
<TD WIDTH="47%"></TD></TR>


<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top" COLSPAN="3">ODYSSEY MARINE EXPLORATION, INC.</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="16"></TD>
<TD HEIGHT="16" COLSPAN="2"></TD>
<TD HEIGHT="16" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top">Date: May&nbsp;17, 2021</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top">By:</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top"> <P STYLE="margin-top:0pt; margin-bottom:1pt; border-bottom:1px solid #000000; font-size:10pt; font-family:Times New Roman">/s/ Jay A. Nudi</P></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top"></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top">Jay A. Nudi, as Chief Financial Officer, Chief Accounting Officer, and Authorized Officer (Principal Financial Officer)</TD></TR>
</TABLE>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">45 </P>

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</DOCUMENT>
<DOCUMENT>
<TYPE>EX-31.1
<SEQUENCE>2
<FILENAME>d134608dex311.htm
<DESCRIPTION>EX-31.1
<TEXT>
<HTML><HEAD>
<TITLE>EX-31.1</TITLE>
</HEAD>
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<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="right"><B>EXHIBIT 31.1 </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">CERTIFICATION OF CHIEF EXECUTIVE OFFICER </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002 </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">I, Mark D. Gordon, certify that: </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">1. I have reviewed this
quarterly report on Form <FONT STYLE="white-space:nowrap">10-Q</FONT> of Odyssey Marine Exploration, Inc.; </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">2. Based on my knowledge, this report does not
contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this
report; </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material
respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report; </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">4. The
registrant&#146;s other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules <FONT STYLE="white-space:nowrap">13a-15(e)</FONT> and <FONT
STYLE="white-space:nowrap">15d-15(e))</FONT> and internal control over financial reporting (as defined in Exchange Act Rules <FONT STYLE="white-space:nowrap">13a-15(f)</FONT> and <FONT STYLE="white-space:nowrap">15d-15(f))</FONT> for the registrant
and have: </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">(a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision,
to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared; </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">(b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to
provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles; </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">(c) Evaluated the effectiveness of the registrant&#146;s disclosure controls and procedures and presented in this report our conclusions about the
effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">(d) Disclosed
in this report any change in the registrant&#146;s internal control over financial reporting that occurred during the registrant&#146;s most recent fiscal quarter (the registrant&#146;s fourth fiscal quarter in the case of an annual report) that has
materially affected, or is reasonably likely to materially affect, the registrant&#146;s internal control over financial reporting; and </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">5. The
registrant&#146;s other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant&#146;s auditors and the audit committee of the registrant&#146;s board of
directors (or persons performing the equivalent functions): </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">(a) All significant deficiencies and material weaknesses in the design or operation of
internal control over financial reporting which are reasonably likely to adversely affect the registrant&#146;s ability to record, process, summarize and report financial information; and </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">(b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant&#146;s internal control over
financial reporting. </P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TR>

<TD WIDTH="100%"></TD></TR>


<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top">Date: May&nbsp;17, 2021</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="16"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE="margin-top:0pt; margin-bottom:1pt; border-bottom:1px solid #000000; font-size:10pt; font-family:Times New Roman"><I>/s/ Mark D. Gordon</I></P></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top">Mark D. Gordon</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top">Chief Executive Officer</TD></TR>
</TABLE>
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<DOCUMENT>
<TYPE>EX-31.2
<SEQUENCE>3
<FILENAME>d134608dex312.htm
<DESCRIPTION>EX-31.2
<TEXT>
<HTML><HEAD>
<TITLE>EX-31.2</TITLE>
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<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="right"><B>EXHIBIT 31.2 </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">CERTIFICATION OF CHIEF FINANCIAL OFFICER </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002 </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">I, Jay A. Nudi, certify that: </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">1. I have reviewed this
quarterly report on Form <FONT STYLE="white-space:nowrap">10-Q</FONT> of Odyssey Marine Exploration, Inc.; </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">2. Based on my knowledge, this report does not
contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this
report; </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material
respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report; </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">4. The
registrant&#146;s other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules <FONT STYLE="white-space:nowrap">13a-15(e)</FONT> and <FONT
STYLE="white-space:nowrap">15d-15(e))</FONT> and internal control over financial reporting (as defined in Exchange Act Rules <FONT STYLE="white-space:nowrap">13a-15(f)</FONT> and <FONT STYLE="white-space:nowrap">15d-15(f))</FONT> for the registrant
and have: </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">(a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision,
to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared; </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">(b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to
provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles; </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">(c) Evaluated the effectiveness of the registrant&#146;s disclosure controls and procedures and presented in this report our conclusions about the
effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">(d) Disclosed
in this report any change in the registrant&#146;s internal control over financial reporting that occurred during the registrant&#146;s most recent fiscal quarter (the registrant&#146;s fourth fiscal quarter in the case of an annual report) that has
materially affected, or is reasonably likely to materially affect, the registrant&#146;s internal control over financial reporting; and </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">5. The
registrant&#146;s other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant&#146;s auditors and the audit committee of the registrant&#146;s board of
directors (or persons performing the equivalent functions): </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">(a) All significant deficiencies and material weaknesses in the design or operation of
internal control over financial reporting which are reasonably likely to adversely affect the registrant&#146;s ability to record, process, summarize and report financial information; and </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">(b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant&#146;s internal control over
financial reporting. </P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top">Date: May&nbsp;17, 2021</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="16"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE="margin-top:0pt; margin-bottom:1pt; border-bottom:1px solid #000000; font-size:10pt; font-family:Times New Roman"><I>/s/ Jay A. Nudi</I></P></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top">Jay A. Nudi</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top">Chief Financial Officer</TD></TR>
</TABLE>
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<DOCUMENT>
<TYPE>EX-32.1
<SEQUENCE>4
<FILENAME>d134608dex321.htm
<DESCRIPTION>EX-32.1
<TEXT>
<HTML><HEAD>
<TITLE>EX-32.1</TITLE>
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<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="right"><B>EXHIBIT 32.1 </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">CERTIFICATION OF CHIEF EXECUTIVE OFFICER </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">ODYSSEY MARINE EXPLORATION, INC. </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">PURSUANT TO 18 U.S.C. SECTION 1350 </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">I hereby
certify that, to the best of my knowledge, the quarterly report on Form <FONT STYLE="white-space:nowrap">10-Q</FONT> of Odyssey Marine Exploration, Inc. for the period ending March&nbsp;31, 2021: </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">(1) complies with the requirements of Section&nbsp;13(a) or 15(d) of the Securities Exchange Act of 1934; and </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">(2) the information contained in the Report fairly presents, in all material aspects, the financial condition and results of operations of Odyssey Marine
Exploration, Inc. </P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TR>

<TD WIDTH="100%"></TD></TR>


<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE="margin-top:0pt; margin-bottom:1pt; border-bottom:1px solid #000000; font-size:10pt; font-family:Times New Roman"><I>/s/ Mark D. Gordon</I></P></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top">Mark D. Gordon</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top">Chief Executive Officer</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top">May&nbsp;17, 2021</TD></TR>
</TABLE> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">A signed original of this written statement required by Section&nbsp;906 of the Sarbanes-Oxley Act of 2002 has
been provided to Odyssey Marine Exploration, Inc. and will be retained by Odyssey Marine Exploration, Inc. and furnished to the Securities and Exchange Commission upon request. </P>
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<DOCUMENT>
<TYPE>EX-32.2
<SEQUENCE>5
<FILENAME>d134608dex322.htm
<DESCRIPTION>EX-32.2
<TEXT>
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<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="right"><B>EXHIBIT 32.2 </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">CERTIFICATION OF CHIEF FINANCIAL OFFICER </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">ODYSSEY MARINE EXPLORATION, INC. </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">PURSUANT TO 18 U.S.C. SECTION 1350 </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">I hereby
certify that, to the best of my knowledge, the quarterly report on Form <FONT STYLE="white-space:nowrap">10-Q</FONT> of Odyssey Marine Exploration, Inc. for the period ending March&nbsp;31, 2021: </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">(1) complies with the requirements of Section&nbsp;13(a) or 15(d) of the Securities Exchange Act of 1934; and </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">(2) the information contained in the Report fairly presents, in all material aspects, the financial condition and results of operations of Odyssey Marine
Exploration, Inc. </P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD VALIGN="top"> <P STYLE="margin-top:0pt; margin-bottom:1pt; border-bottom:1px solid #000000; font-size:10pt; font-family:Times New Roman"><I>/s/ Jay A. Nudi</I></P></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top">Jay A. Nudi</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top">Chief Financial Officer</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top">May&nbsp;17, 2021</TD></TR>
</TABLE> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">A signed original of this written statement required by Section&nbsp;906 of the Sarbanes-Oxley Act of 2002 has
been provided to Odyssey Marine Exploration, Inc. and will be retained by Odyssey Marine Exploration, Inc. and furnished to the Securities and Exchange Commission upon request. </P>
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<omex:DebtInstrumentDecreaseInFaceAmount id="Factid_20818897" contextRef="P12_10_2015To12_10_2015_LoanModificationMemberusgaapLongtermDebtTypeAxis_TrancheTwoMemberusgaapDebtInstrumentAxis" unitRef="Unit_USD" decimals="0">2200000</omex:DebtInstrumentDecreaseInFaceAmount>
<us-gaap:DebtInstrumentFaceAmount id="Factid_20818898" contextRef="PAsOn12_10_2015_LoanModificationMemberusgaapLongtermDebtTypeAxis_TrancheTwoMemberusgaapDebtInstrumentAxis" unitRef="Unit_USD" decimals="0">300000</us-gaap:DebtInstrumentFaceAmount>
<us-gaap:ConvertibleNotesPayable id="Factid_20818899" contextRef="PAsOn12_10_2015_LoanModificationMemberusgaapLongtermDebtTypeAxis_TrancheThreeMemberusgaapDebtInstrumentAxis" unitRef="Unit_USD" decimals="0">2500000</us-gaap:ConvertibleNotesPayable>
<us-gaap:LoansPayable id="Factid_20818901" contextRef="PAsOn03_31_2021_LoanModificationMemberusgaapLongtermDebtTypeAxis" unitRef="Unit_USD" decimals="-5">2800000</us-gaap:LoansPayable>
<us-gaap:DebtConversionConvertedInstrumentSharesIssued1 id="Factid_20818902" contextRef="P01_01_2021To03_31_2021_LoanModificationMemberusgaapLongtermDebtTypeAxis_OceanicaResourcesMemberusgaapRelatedPartyTransactionsByRelatedPartyAxis" unitRef="Unit_shares" decimals="INF">3174603</us-gaap:DebtConversionConvertedInstrumentSharesIssued1>
<us-gaap:DebtInstrumentConvertibleConversionPrice1 id="Factid_20818903" contextRef="PAsOn03_31_2021_LoanModificationMemberusgaapLongtermDebtTypeAxis" unitRef="Unit_USD_per_Share" decimals="INF">1.00</us-gaap:DebtInstrumentConvertibleConversionPrice1>
<us-gaap:DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent id="Factid_20818904" contextRef="PAsOn03_31_2021_LoanModificationMemberusgaapLongtermDebtTypeAxis_OceanicaResourcesMemberusgaapRelatedPartyTransactionsByRelatedPartyAxis" unitRef="Unit_USD" decimals="0">3174603</us-gaap:DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent>
<us-gaap:DebtConversionConvertedInstrumentAmount1 id="Factid_20818905" contextRef="P01_01_2021To03_31_2021_LoanModificationMemberusgaapLongtermDebtTypeAxis_OceanicaResourcesMemberusgaapRelatedPartyTransactionsByRelatedPartyAxis" unitRef="Unit_USD" decimals="0">3174603</us-gaap:DebtConversionConvertedInstrumentAmount1>
<omex:DebtInstrumentConvertibleNumberOfOptionsEliminatedUnderSharePurchaseOption id="Factid_20818906" contextRef="PAsOn03_31_2021_LoanModificationMemberusgaapLongtermDebtTypeAxis_MonacoFinancialLLCMemberusgaapRelatedPartyTransactionsByRelatedPartyAxis" unitRef="Unit_shares" decimals="0">3174603</omex:DebtInstrumentConvertibleNumberOfOptionsEliminatedUnderSharePurchaseOption>
<us-gaap:SaleOfStockPricePerShare id="Factid_20818907" contextRef="PAsOn03_31_2021_LoanModificationMemberusgaapLongtermDebtTypeAxis_MonacoFinancialLLCMemberusgaapRelatedPartyTransactionsByRelatedPartyAxis" unitRef="Unit_USD_per_Share" decimals="INF">3.15</us-gaap:SaleOfStockPricePerShare>
<us-gaap:GainsLossesOnExtinguishmentOfDebt id="Factid_20818908" contextRef="P01_01_2021To03_31_2021_LoanModificationMemberusgaapLongtermDebtTypeAxis" unitRef="Unit_USD" decimals="-5">1200000</us-gaap:GainsLossesOnExtinguishmentOfDebt>
<us-gaap:DebtInstrumentFaceAmount id="Factid_20818909" contextRef="PAsOn03_31_2021_MinosaMemberusgaapLineOfCreditFacilityAxis_PromissoryNoteMemberusgaapShortTermDebtTypeAxis_SharePurchaseAgreementMemberusgaapInvestmentTypeAxis" unitRef="Unit_USD" decimals="INF">14750000</us-gaap:DebtInstrumentFaceAmount>
<us-gaap:ConvertibleNotesPayable id="Factid_20818910" contextRef="PAsOn03_31_2021_MinosaMemberusgaapLineOfCreditFacilityAxis_PromissoryNoteMemberusgaapShortTermDebtTypeAxis_SharePurchaseAgreementMemberusgaapInvestmentTypeAxis" unitRef="Unit_USD" decimals="-4">14750000</us-gaap:ConvertibleNotesPayable>
<us-gaap:DebtInstrumentInterestRateStatedPercentage id="Factid_20818911" contextRef="PAsOn03_31_2021_MinosaMemberusgaapLineOfCreditFacilityAxis_PromissoryNoteMemberusgaapShortTermDebtTypeAxis_SharePurchaseAgreementMemberusgaapInvestmentTypeAxis" unitRef="Unit_pure" decimals="INF">0.080</us-gaap:DebtInstrumentInterestRateStatedPercentage>
<omex:StockGrantedPercentageUponConversionOfConvertibleSecurities id="Factid_20818912" contextRef="P01_01_2021To03_31_2021_CallOptionMemberusgaapOptionIndexedToIssuersEquityTypeAxis_MinosaMemberusgaapLineOfCreditFacilityAxis_OceanicaResourcesMemberusgaapRelatedPartyTransactionsByRelatedPartyAxis_SharePurchaseAgreementMemberusgaapInvestmentTypeAxis" unitRef="Unit_pure" decimals="2">0.54</omex:StockGrantedPercentageUponConversionOfConvertibleSecurities>
<omex:StockGrantedValueUponConversionOfConvertibleSecurities id="Factid_20818913" contextRef="P01_01_2021To03_31_2021_CallOptionMemberusgaapOptionIndexedToIssuersEquityTypeAxis_MinosaMemberusgaapLineOfCreditFacilityAxis_OceanicaResourcesMemberusgaapRelatedPartyTransactionsByRelatedPartyAxis_SharePurchaseAgreementMemberusgaapInvestmentTypeAxis" unitRef="Unit_USD" decimals="INF">40000000</omex:StockGrantedValueUponConversionOfConvertibleSecurities>
<us-gaap:DebtInstrumentFaceAmount id="Factid_20818915" contextRef="PAsOn03_31_2021_NoteSixMinosaTwoMemberusgaapDebtInstrumentAxis_PromissoryNoteMemberusgaapShortTermDebtTypeAxis_SharePurchaseAgreementMemberusgaapInvestmentTypeAxis" unitRef="Unit_USD" decimals="INF">14750000</us-gaap:DebtInstrumentFaceAmount>
<us-gaap:InterestExpenseDebt id="Factid_20818917" contextRef="P01_01_2021To03_31_2021_MinosaMemberusgaapLineOfCreditFacilityAxis" unitRef="Unit_USD" decimals="0">290959</us-gaap:InterestExpenseDebt>
<us-gaap:InterestExpenseDebt id="Factid_20818918" contextRef="P01_01_2020To03_31_2020_MinosaMemberusgaapLineOfCreditFacilityAxis" unitRef="Unit_USD" decimals="0">294191</us-gaap:InterestExpenseDebt>
<us-gaap:DerivativeFairValueOfDerivativeNet id="Factid_20818919" contextRef="PAsOn03_31_2021_CallOptionMemberusgaapOptionIndexedToIssuersEquityTypeAxis_OceanicaResourcesMemberusgaapRelatedPartyTransactionsByRelatedPartyAxis" unitRef="Unit_USD" decimals="-5">40000000</us-gaap:DerivativeFairValueOfDerivativeNet>
<omex:EstimatedMarketRateLoanPercentage id="Factid_20818920" contextRef="P01_01_2021To03_31_2021_MinosaMemberusgaapLineOfCreditFacilityAxis_PromissoryNoteMemberusgaapShortTermDebtTypeAxis" unitRef="Unit_pure" decimals="2">0.15</omex:EstimatedMarketRateLoanPercentage>
<us-gaap:ConvertibleNotesPayable id="Factid_20818921" contextRef="PAsOn03_31_2021_OceanicaResourcesMemberusgaapRelatedPartyTransactionsByRelatedPartyAxis_PromissoryNoteMemberusgaapShortTermDebtTypeAxis_TrancheOneMemberusgaapDebtInstrumentAxis_TwoThousandAndFourteenConvertiblePromissoryNotesMemberusgaapLongtermDebtTypeAxis" unitRef="Unit_USD" decimals="0">1932759</us-gaap:ConvertibleNotesPayable>
<us-gaap:ConvertibleNotesPayable id="Factid_20818922" contextRef="PAsOn03_31_2021_OceanicaResourcesMemberusgaapRelatedPartyTransactionsByRelatedPartyAxis_PromissoryNoteMemberusgaapShortTermDebtTypeAxis_TrancheTwoMemberusgaapDebtInstrumentAxis_TwoThousandAndFourteenConvertiblePromissoryNotesMemberusgaapLongtermDebtTypeAxis" unitRef="Unit_USD" decimals="0">5826341</us-gaap:ConvertibleNotesPayable>
<us-gaap:ConvertibleNotesPayable id="Factid_20818923" contextRef="PAsOn03_31_2021_OceanicaResourcesMemberusgaapRelatedPartyTransactionsByRelatedPartyAxis_PromissoryNoteMemberusgaapShortTermDebtTypeAxis_TrancheThreeMemberusgaapDebtInstrumentAxis_TwoThousandAndFourteenConvertiblePromissoryNotesMemberusgaapLongtermDebtTypeAxis" unitRef="Unit_USD" decimals="0">2924172</us-gaap:ConvertibleNotesPayable>
<us-gaap:ConvertibleNotesPayable id="Factid_20818924" contextRef="PAsOn03_31_2021_OceanicaResourcesMemberusgaapRelatedPartyTransactionsByRelatedPartyAxis_PromissoryNoteMemberusgaapShortTermDebtTypeAxis_TrancheFourMemberusgaapDebtInstrumentAxis_TwoThousandAndFourteenConvertiblePromissoryNotesMemberusgaapLongtermDebtTypeAxis" unitRef="Unit_USD" decimals="0">1960089</us-gaap:ConvertibleNotesPayable>
<us-gaap:ConvertibleNotesPayable id="Factid_20818925" contextRef="PAsOn03_31_2021_OceanicaResourcesMemberusgaapRelatedPartyTransactionsByRelatedPartyAxis_PromissoryNoteMemberusgaapShortTermDebtTypeAxis_TrancheFiveMemberusgaapDebtInstrumentAxis_TwoThousandAndFourteenConvertiblePromissoryNotesMemberusgaapLongtermDebtTypeAxis" unitRef="Unit_USD" decimals="0">1723492</us-gaap:ConvertibleNotesPayable>
<us-gaap:ConvertibleNotesPayable id="Factid_20818926" contextRef="PAsOn03_31_2021_OceanicaResourcesMemberusgaapRelatedPartyTransactionsByRelatedPartyAxis_PromissoryNoteMemberusgaapShortTermDebtTypeAxis_TwoThousandAndFourteenConvertiblePromissoryNotesMemberusgaapLongtermDebtTypeAxis" unitRef="Unit_USD" decimals="0">14366853</us-gaap:ConvertibleNotesPayable>
<us-gaap:ConvertibleNotesPayable id="Factid_20818927" contextRef="PAsOn03_31_2021_DeferredRevenueCallOptionMemberusgaapDerivativeInstrumentRiskAxis_OceanicaResourcesMemberusgaapRelatedPartyTransactionsByRelatedPartyAxis_PromissoryNoteMemberusgaapShortTermDebtTypeAxis_TrancheOneMemberusgaapDebtInstrumentAxis" unitRef="Unit_USD" decimals="0">67241</us-gaap:ConvertibleNotesPayable>
<us-gaap:ConvertibleNotesPayable id="Factid_20818928" contextRef="PAsOn03_31_2021_DeferredRevenueCallOptionMemberusgaapDerivativeInstrumentRiskAxis_OceanicaResourcesMemberusgaapRelatedPartyTransactionsByRelatedPartyAxis_PromissoryNoteMemberusgaapShortTermDebtTypeAxis_TrancheTwoMemberusgaapDebtInstrumentAxis" unitRef="Unit_USD" decimals="0">173659</us-gaap:ConvertibleNotesPayable>
<us-gaap:ConvertibleNotesPayable id="Factid_20818929" contextRef="PAsOn03_31_2021_DeferredRevenueCallOptionMemberusgaapDerivativeInstrumentRiskAxis_OceanicaResourcesMemberusgaapRelatedPartyTransactionsByRelatedPartyAxis_PromissoryNoteMemberusgaapShortTermDebtTypeAxis_TrancheThreeMemberusgaapDebtInstrumentAxis" unitRef="Unit_USD" decimals="0">75828</us-gaap:ConvertibleNotesPayable>
<us-gaap:ConvertibleNotesPayable id="Factid_20818930" contextRef="PAsOn03_31_2021_DeferredRevenueCallOptionMemberusgaapDerivativeInstrumentRiskAxis_OceanicaResourcesMemberusgaapRelatedPartyTransactionsByRelatedPartyAxis_PromissoryNoteMemberusgaapShortTermDebtTypeAxis_TrancheFourMemberusgaapDebtInstrumentAxis" unitRef="Unit_USD" decimals="0">39911</us-gaap:ConvertibleNotesPayable>
<us-gaap:ConvertibleNotesPayable id="Factid_20818931" contextRef="PAsOn03_31_2021_DeferredRevenueCallOptionMemberusgaapDerivativeInstrumentRiskAxis_OceanicaResourcesMemberusgaapRelatedPartyTransactionsByRelatedPartyAxis_PromissoryNoteMemberusgaapShortTermDebtTypeAxis_TrancheFiveMemberusgaapDebtInstrumentAxis" unitRef="Unit_USD" decimals="0">26509</us-gaap:ConvertibleNotesPayable>
<us-gaap:ConvertibleNotesPayable id="Factid_20818933" contextRef="PAsOn03_31_2021_OceanicaResourcesMemberusgaapRelatedPartyTransactionsByRelatedPartyAxis_PromissoryNoteMemberusgaapShortTermDebtTypeAxis_TrancheOneMemberusgaapDebtInstrumentAxis" unitRef="Unit_USD" decimals="0">2000000</us-gaap:ConvertibleNotesPayable>
<us-gaap:ConvertibleNotesPayable id="Factid_20818934" contextRef="PAsOn03_31_2021_OceanicaResourcesMemberusgaapRelatedPartyTransactionsByRelatedPartyAxis_PromissoryNoteMemberusgaapShortTermDebtTypeAxis_TrancheTwoMemberusgaapDebtInstrumentAxis" unitRef="Unit_USD" decimals="0">6000000</us-gaap:ConvertibleNotesPayable>
<us-gaap:ConvertibleNotesPayable id="Factid_20818935" contextRef="PAsOn03_31_2021_OceanicaResourcesMemberusgaapRelatedPartyTransactionsByRelatedPartyAxis_PromissoryNoteMemberusgaapShortTermDebtTypeAxis_TrancheThreeMemberusgaapDebtInstrumentAxis" unitRef="Unit_USD" decimals="0">3000000</us-gaap:ConvertibleNotesPayable>
<us-gaap:ConvertibleNotesPayable id="Factid_20818936" contextRef="PAsOn03_31_2021_OceanicaResourcesMemberusgaapRelatedPartyTransactionsByRelatedPartyAxis_PromissoryNoteMemberusgaapShortTermDebtTypeAxis_TrancheFourMemberusgaapDebtInstrumentAxis" unitRef="Unit_USD" decimals="0">2000000</us-gaap:ConvertibleNotesPayable>
<us-gaap:ConvertibleNotesPayable id="Factid_20818937" contextRef="PAsOn03_31_2021_OceanicaResourcesMemberusgaapRelatedPartyTransactionsByRelatedPartyAxis_PromissoryNoteMemberusgaapShortTermDebtTypeAxis_TrancheFiveMemberusgaapDebtInstrumentAxis" unitRef="Unit_USD" decimals="0">17500001</us-gaap:ConvertibleNotesPayable>
<us-gaap:ConvertibleNotesPayable id="Factid_20818938" contextRef="PAsOn03_31_2021_OceanicaResourcesMemberusgaapRelatedPartyTransactionsByRelatedPartyAxis_PromissoryNoteMemberusgaapShortTermDebtTypeAxis" unitRef="Unit_USD" decimals="0">14750001</us-gaap:ConvertibleNotesPayable>
<us-gaap:ConvertibleNotesPayable id="Factid_20818939" contextRef="PAsOn03_31_2021_DeferredRevenueCallOptionMemberusgaapDerivativeInstrumentRiskAxis_OceanicaResourcesMemberusgaapRelatedPartyTransactionsByRelatedPartyAxis_PromissoryNoteMemberusgaapShortTermDebtTypeAxis" unitRef="Unit_USD" decimals="0">383148</us-gaap:ConvertibleNotesPayable>
<us-gaap:DebtInstrumentFaceAmount id="Factid_20818940" contextRef="PAsOn03_18_2016_EpsilonAcquisitionsLLCMemberusgaapDebtInstrumentAxis_NotesPayableOtherPayablesMemberusgaapLongtermDebtTypeAxis" unitRef="Unit_USD" decimals="INF">3000000</us-gaap:DebtInstrumentFaceAmount>
<omex:DebtInstrumentInstallmentAmount id="Factid_20818941" contextRef="PAsOn03_18_2016_EpsilonAcquisitionsLLCMemberusgaapDebtInstrumentAxis_NotesPayableOtherPayablesMemberusgaapLongtermDebtTypeAxis" unitRef="Unit_USD" decimals="INF">1500000</omex:DebtInstrumentInstallmentAmount>
<us-gaap:DebtInstrumentInterestRateStatedPercentage id="Factid_20818942" contextRef="PAsOn03_18_2016_EpsilonAcquisitionsLLCMemberusgaapDebtInstrumentAxis_NotesPayableOtherPayablesMemberusgaapLongtermDebtTypeAxis" unitRef="Unit_pure" decimals="INF">0.10</us-gaap:DebtInstrumentInterestRateStatedPercentage>
<us-gaap:DeferredFinanceCostsNet id="Factid_20818943" contextRef="PAsOn03_31_2021_EpsilonAcquisitionsLLCMemberusgaapDebtInstrumentAxis_NotesPayableOtherPayablesMemberusgaapLongtermDebtTypeAxis" unitRef="Unit_USD" decimals="0">50000</us-gaap:DeferredFinanceCostsNet>
<omex:PledgedUnitsOfOwnership id="Factid_20818944" contextRef="P03_18_2016To03_18_2016_EpsilonAcquisitionsLLCMemberusgaapDebtInstrumentAxis_NotesPayableOtherPayablesMemberusgaapLongtermDebtTypeAxis" unitRef="Unit_Cuota" decimals="-6">54000000</omex:PledgedUnitsOfOwnership>
<us-gaap:DebtInstrumentConvertibleThresholdConsecutiveTradingDays1 id="Factid_20818945" contextRef="P03_18_2016To03_18_2016_EpsilonAcquisitionsLLCMemberusgaapDebtInstrumentAxis_NotesPayableOtherPayablesMemberusgaapLongtermDebtTypeAxis" unitRef="Unit_d" decimals="INF">75</us-gaap:DebtInstrumentConvertibleThresholdConsecutiveTradingDays1>
<us-gaap:DebtInstrumentConvertibleConversionPrice1 id="Factid_20818946" contextRef="PAsOn03_17_2016_EpsilonAcquisitionsLLCMemberusgaapDebtInstrumentAxis_NotesPayableOtherPayablesMemberusgaapLongtermDebtTypeAxis" unitRef="Unit_USD_per_Share" decimals="2">5.00</us-gaap:DebtInstrumentConvertibleConversionPrice1>
<us-gaap:DebtInstrumentFaceAmount id="Factid_20818947" contextRef="PAsOn01_25_2017_EpsilonAcquisitionsLLCMemberusgaapDebtInstrumentAxis_NotesPayableOtherPayablesMemberusgaapLongtermDebtTypeAxis" unitRef="Unit_USD" decimals="INF">3000000</us-gaap:DebtInstrumentFaceAmount>
<us-gaap:DebtInstrumentConvertibleConversionPrice1 id="Factid_20818948" contextRef="PAsOn03_18_2016_EpsilonAcquisitionsLLCMemberusgaapDebtInstrumentAxis_NotesPayableOtherPayablesMemberusgaapLongtermDebtTypeAxis" unitRef="Unit_USD_per_Share" decimals="2">5.00</us-gaap:DebtInstrumentConvertibleConversionPrice1>
<us-gaap:DebtInstrumentIncreaseAccruedInterest id="Factid_20818949" contextRef="P04_01_2017To06_30_2017_EpsilonAcquisitionsLLCMemberusgaapDebtInstrumentAxis_NotesPayableOtherPayablesMemberusgaapLongtermDebtTypeAxis" unitRef="Unit_USD" decimals="0">302274</us-gaap:DebtInstrumentIncreaseAccruedInterest>
<us-gaap:ConversionOfStockSharesIssued1 id="Factid_20818950" contextRef="P04_01_2017To06_30_2017_EpsilonAcquisitionsLLCMemberusgaapDebtInstrumentAxis_NotesPayableOtherPayablesMemberusgaapLongtermDebtTypeAxis" unitRef="Unit_shares" decimals="INF">670455</us-gaap:ConversionOfStockSharesIssued1>
<omex:DebtInstrumentConvertibleConversionPriceUponDefault id="Factid_20818951" contextRef="PAsOn03_18_2016_EpsilonAcquisitionsLLCMemberusgaapDebtInstrumentAxis_NotesPayableOtherPayablesMemberusgaapLongtermDebtTypeAxis" unitRef="Unit_USD_per_Share" decimals="INF">2.50</omex:DebtInstrumentConvertibleConversionPriceUponDefault>
<us-gaap:DebtInstrumentFaceAmount id="Factid_20818952" contextRef="PAsOn03_18_2016_MinosaMemberusgaapDebtInstrumentAxis_NotesPayableOtherPayablesMemberusgaapLongtermDebtTypeAxis" unitRef="Unit_USD" decimals="INF">14750000</us-gaap:DebtInstrumentFaceAmount>
<omex:JudgmentAmountForAccelerationOfIndebtedness id="Factid_20818953" contextRef="P03_18_2016To03_18_2016_MinosaMemberusgaapDebtInstrumentAxis_NotesPayableOtherPayablesMemberusgaapLongtermDebtTypeAxis" unitRef="Unit_USD" decimals="INF">100000</omex:JudgmentAmountForAccelerationOfIndebtedness>
<us-gaap:DebtInstrumentConvertibleBeneficialConversionFeature id="Factid_20818954" contextRef="P01_01_2021To03_31_2021_EpsilonAcquisitionsLLCMemberusgaapDebtInstrumentAxis_NotesPayableOtherPayablesMemberusgaapLongtermDebtTypeAxis" unitRef="Unit_USD" decimals="0">96000</us-gaap:DebtInstrumentConvertibleBeneficialConversionFeature>
<us-gaap:DebtInstrumentFaceAmount id="Factid_20818955" contextRef="PAsOn10_01_2016_EpsilonAcquisitionsLLCMemberusgaapDebtInstrumentAxis_NotesPayableOtherPayablesMemberusgaapLongtermDebtTypeAxis" unitRef="Unit_USD" decimals="INF">3000000</us-gaap:DebtInstrumentFaceAmount>
<us-gaap:DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent id="Factid_20818956" contextRef="PAsOn09_30_2019_EpsilonAcquisitionsLLCMemberusgaapDebtInstrumentAxis_NotesPayableOtherPayablesMemberusgaapLongtermDebtTypeAxis" unitRef="Unit_USD" decimals="-5">3000000</us-gaap:DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent>
<us-gaap:DebtInstrumentInterestRateStatedPercentage id="Factid_20818957" contextRef="PAsOn10_01_2016_EpsilonAcquisitionsLLCMemberusgaapDebtInstrumentAxis_NotesPayableOtherPayablesMemberusgaapLongtermDebtTypeAxis" unitRef="Unit_pure" decimals="INF">0.100</us-gaap:DebtInstrumentInterestRateStatedPercentage>
<us-gaap:DebtInstrumentConvertibleThresholdConsecutiveTradingDays1 id="Factid_20818958" contextRef="P10_01_2016To10_01_2016_EpsilonAcquisitionsLLCMemberusgaapDebtInstrumentAxis_NotesPayableOtherPayablesMemberusgaapLongtermDebtTypeAxis" unitRef="Unit_d" decimals="INF">75</us-gaap:DebtInstrumentConvertibleThresholdConsecutiveTradingDays1>
<us-gaap:DebtInstrumentConvertibleConversionPrice1 id="Factid_20818959" contextRef="PAsOn10_01_2016_EpsilonAcquisitionsLLCMemberusgaapDebtInstrumentAxis_NotesPayableOtherPayablesMemberusgaapLongtermDebtTypeAxis" unitRef="Unit_USD_per_Share" decimals="INF">5.00</us-gaap:DebtInstrumentConvertibleConversionPrice1>
<us-gaap:DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent id="Factid_20818960" contextRef="PAsOn03_31_2021_EpsilonAcquisitionsLLCMemberusgaapDebtInstrumentAxis_NotesPayableOtherPayablesMemberusgaapLongtermDebtTypeAxis" unitRef="Unit_USD" decimals="-5">3000000</us-gaap:DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent>
<us-gaap:ConversionOfStockSharesIssued1 id="Factid_20818961" contextRef="P10_01_2016To10_01_2016_EpsilonAcquisitionsLLCMemberusgaapDebtInstrumentAxis_MaximumMembersrtRangeAxis_NotesPayableOtherPayablesMemberusgaapLongtermDebtTypeAxis_TrancheMemberusgaapCreditFacilityAxis" unitRef="Unit_shares" decimals="INF">1388769</us-gaap:ConversionOfStockSharesIssued1>
<us-gaap:ConversionOfStockSharesIssued1 id="Factid_20818962" contextRef="P10_16_2016To10_16_2016_NotesPayableOtherPayablesMemberusgaapLongtermDebtTypeAxis_TrancheThreeMemberusgaapCreditFacilityAxis" unitRef="Unit_shares" decimals="INF">1000000</us-gaap:ConversionOfStockSharesIssued1>
<us-gaap:DebtInstrumentConvertibleConversionPrice1 id="Factid_20818963" contextRef="PAsOn10_16_2016_NotesPayableOtherPayablesMemberusgaapLongtermDebtTypeAxis_TrancheThreeMemberusgaapCreditFacilityAxis" unitRef="Unit_USD_per_Share" decimals="INF">3.52</us-gaap:DebtInstrumentConvertibleConversionPrice1>
<us-gaap:ConversionOfStockSharesIssued1 id="Factid_20818964" contextRef="P11_15_2016To11_15_2016_NotesPayableOtherPayablesMemberusgaapLongtermDebtTypeAxis_TrancheFourMemberusgaapCreditFacilityAxis" unitRef="Unit_shares" decimals="INF">1000000</us-gaap:ConversionOfStockSharesIssued1>
<us-gaap:DebtInstrumentConvertibleConversionPrice1 id="Factid_20818965" contextRef="PAsOn11_15_2016_NotesPayableOtherPayablesMemberusgaapLongtermDebtTypeAxis_TrancheFourMemberusgaapCreditFacilityAxis" unitRef="Unit_USD_per_Share" decimals="INF">4.19</us-gaap:DebtInstrumentConvertibleConversionPrice1>
<us-gaap:ConversionOfStockSharesIssued1 id="Factid_20818966" contextRef="P12_15_2016To12_15_2016_NotesPayableOtherPayablesMemberusgaapLongtermDebtTypeAxis_TrancheFiveMemberusgaapCreditFacilityAxis" unitRef="Unit_shares" decimals="INF">1000000</us-gaap:ConversionOfStockSharesIssued1>
<us-gaap:DebtInstrumentConvertibleConversionPrice1 id="Factid_20818967" contextRef="PAsOn12_15_2016_NotesPayableOtherPayablesMemberusgaapLongtermDebtTypeAxis_TrancheFiveMemberusgaapCreditFacilityAxis" unitRef="Unit_USD_per_Share" decimals="INF">4.13</us-gaap:DebtInstrumentConvertibleConversionPrice1>
<us-gaap:DebtInstrumentFaceAmount id="Factid_20818969" contextRef="PAsOn10_01_2016" unitRef="Unit_USD" decimals="INF">3000000</us-gaap:DebtInstrumentFaceAmount>
<us-gaap:ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights id="Factid_20818970" contextRef="PAsOn10_01_2016_EpsilonAcquisitionsLLCMemberusgaapDebtInstrumentAxis_NotesPayableOtherPayablesMemberusgaapLongtermDebtTypeAxis" unitRef="Unit_shares" decimals="INF">120000</us-gaap:ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights>
<us-gaap:ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 id="Factid_20818971" contextRef="PAsOn10_01_2016_EpsilonAcquisitionsLLCMemberusgaapDebtInstrumentAxis_NotesPayableOtherPayablesMemberusgaapLongtermDebtTypeAxis" unitRef="Unit_USD_per_Share" decimals="INF">3.52</us-gaap:ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1>
<us-gaap:CommonStockSharesIssued id="Factid_20818973" contextRef="PAsOn11_30_2020_EpsilonAcquisitionsLLCMemberusgaapDebtInstrumentAxis_NotesPayableOtherPayablesMemberusgaapLongtermDebtTypeAxis" unitRef="Unit_shares" decimals="0">56228</us-gaap:CommonStockSharesIssued>
<us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensationForfeited id="Factid_20818974" contextRef="P11_01_2020To11_30_2020_EpsilonAcquisitionsLLCMemberusgaapDebtInstrumentAxis_NotesPayableOtherPayablesMemberusgaapLongtermDebtTypeAxis" unitRef="Unit_shares" decimals="0">63772</us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensationForfeited>
<us-gaap:ConvertibleNotesPayable id="Factid_20818975" contextRef="PAsOn03_31_2021_EpsilonAcquisitionsLLCMemberusgaapRelatedPartyTransactionsByRelatedPartyAxis_PromissoryNoteMemberusgaapShortTermDebtTypeAxis_TrancheThreeMemberusgaapDebtInstrumentAxis_TwoThousandAndFourteenConvertiblePromissoryNotesMemberusgaapLongtermDebtTypeAxis" unitRef="Unit_USD" decimals="0">981796</us-gaap:ConvertibleNotesPayable>
<us-gaap:ConvertibleNotesPayable id="Factid_20818976" contextRef="PAsOn03_31_2021_EpsilonAcquisitionsLLCMemberusgaapRelatedPartyTransactionsByRelatedPartyAxis_PromissoryNoteMemberusgaapShortTermDebtTypeAxis_TrancheFourMemberusgaapDebtInstrumentAxis_TwoThousandAndFourteenConvertiblePromissoryNotesMemberusgaapLongtermDebtTypeAxis" unitRef="Unit_USD" decimals="0">939935</us-gaap:ConvertibleNotesPayable>
<us-gaap:ConvertibleNotesPayable id="Factid_20818977" contextRef="PAsOn03_31_2021_EpsilonAcquisitionsLLCMemberusgaapRelatedPartyTransactionsByRelatedPartyAxis_PromissoryNoteMemberusgaapShortTermDebtTypeAxis_TrancheFiveMemberusgaapDebtInstrumentAxis_TwoThousandAndFourteenConvertiblePromissoryNotesMemberusgaapLongtermDebtTypeAxis" unitRef="Unit_USD" decimals="0">1000000</us-gaap:ConvertibleNotesPayable>
<us-gaap:ConvertibleNotesPayable id="Factid_20818978" contextRef="PAsOn03_31_2021_BeneficialConversionFeatureMemberusgaapFairValueByLiabilityClassAxis_EpsilonAcquisitionsLLCMemberusgaapRelatedPartyTransactionsByRelatedPartyAxis_PromissoryNoteMemberusgaapShortTermDebtTypeAxis_TrancheThreeMemberusgaapDebtInstrumentAxis" unitRef="Unit_USD" decimals="0">18204</us-gaap:ConvertibleNotesPayable>
<us-gaap:ConvertibleNotesPayable id="Factid_20818979" contextRef="PAsOn03_31_2021_BeneficialConversionFeatureMemberusgaapFairValueByLiabilityClassAxis_EpsilonAcquisitionsLLCMemberusgaapRelatedPartyTransactionsByRelatedPartyAxis_PromissoryNoteMemberusgaapShortTermDebtTypeAxis_TrancheFourMemberusgaapDebtInstrumentAxis" unitRef="Unit_USD" decimals="0">60065</us-gaap:ConvertibleNotesPayable>
<us-gaap:ConvertibleNotesPayable id="Factid_20818980" contextRef="PAsOn03_31_2021_EpsilonAcquisitionsLLCMemberusgaapRelatedPartyTransactionsByRelatedPartyAxis_PromissoryNoteMemberusgaapShortTermDebtTypeAxis_TrancheThreeMemberusgaapDebtInstrumentAxis" unitRef="Unit_USD" decimals="0">1000000</us-gaap:ConvertibleNotesPayable>
<us-gaap:ConvertibleNotesPayable id="Factid_20818981" contextRef="PAsOn03_31_2021_EpsilonAcquisitionsLLCMemberusgaapRelatedPartyTransactionsByRelatedPartyAxis_PromissoryNoteMemberusgaapShortTermDebtTypeAxis_TrancheFourMemberusgaapDebtInstrumentAxis" unitRef="Unit_USD" decimals="0">1000000</us-gaap:ConvertibleNotesPayable>
<us-gaap:ConvertibleNotesPayable id="Factid_20818982" contextRef="PAsOn03_31_2021_EpsilonAcquisitionsLLCMemberusgaapRelatedPartyTransactionsByRelatedPartyAxis_PromissoryNoteMemberusgaapShortTermDebtTypeAxis_TrancheFiveMemberusgaapDebtInstrumentAxis" unitRef="Unit_USD" decimals="0">1000000</us-gaap:ConvertibleNotesPayable>
<omex:FairValueOfWarrantsIssuedInConnectionWithConvertibleDebt id="Factid_20818983" contextRef="P01_01_2021To03_31_2021_EpsilonAcquisitionsLLCMemberusgaapDebtInstrumentAxis" unitRef="Unit_USD" decimals="0">303712</omex:FairValueOfWarrantsIssuedInConnectionWithConvertibleDebt>
<us-gaap:InducedConversionOfConvertibleDebtExpense id="Factid_20818984" contextRef="P01_01_2021To03_31_2021_EpsilonAcquisitionsLLCMemberusgaapDebtInstrumentAxis" unitRef="Unit_USD" decimals="0">303712</us-gaap:InducedConversionOfConvertibleDebtExpense>
<us-gaap:DebtInstrumentIncreaseAccruedInterest id="Factid_20818985" contextRef="P01_01_2021To03_31_2021_EpsilonAcquisitionsLLCMemberusgaapDebtInstrumentAxis" unitRef="Unit_USD" decimals="0">34520</us-gaap:DebtInstrumentIncreaseAccruedInterest>
<us-gaap:DebtInstrumentIncreaseAccruedInterest id="Factid_20818986" contextRef="P01_01_2020To03_31_2020_EpsilonAcquisitionsLLCMemberusgaapDebtInstrumentAxis" unitRef="Unit_USD" decimals="0">24931</us-gaap:DebtInstrumentIncreaseAccruedInterest>
<us-gaap:DebtInstrumentFaceAmount id="Factid_20818987" contextRef="PAsOn03_21_2017_EpsilonAcquisitionsLLCMemberusgaapDebtInstrumentAxis_NotesPayableOtherPayablesMemberusgaapLongtermDebtTypeAxis" unitRef="Unit_USD" decimals="INF">6000000</us-gaap:DebtInstrumentFaceAmount>
<us-gaap:DebtInstrumentFaceAmount id="Factid_20818988" contextRef="PAsOn03_21_2017_EpsilonAcquisitionsLLCMemberusgaapDebtInstrumentAxis_MaximumMembersrtRangeAxis_NotesPayableOtherPayablesMemberusgaapLongtermDebtTypeAxis" unitRef="Unit_USD" decimals="0">6050000</us-gaap:DebtInstrumentFaceAmount>
<us-gaap:DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent id="Factid_20818989" contextRef="PAsOn03_21_2017_EpsilonAcquisitionsLLCMemberusgaapDebtInstrumentAxis_NotesPayableOtherPayablesMemberusgaapLongtermDebtTypeAxis" unitRef="Unit_USD" decimals="-5">3000000</us-gaap:DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent>
<us-gaap:ConversionOfStockSharesIssued1 id="Factid_20818990" contextRef="P03_21_2017To03_21_2017_EpsilonAcquisitionsLLCMemberusgaapDebtInstrumentAxis_NotesPayableOtherPayablesMemberusgaapLongtermDebtTypeAxis" unitRef="Unit_shares" decimals="INF">670455</us-gaap:ConversionOfStockSharesIssued1>
<us-gaap:DebtConversionOriginalDebtAmount1 id="Factid_20818991" contextRef="P03_21_2017To03_21_2017_EpsilonAcquisitionsLLCMemberusgaapDebtInstrumentAxis_NotesPayableOtherPayablesMemberusgaapLongtermDebtTypeAxis" unitRef="Unit_USD" decimals="-5">2000000</us-gaap:DebtConversionOriginalDebtAmount1>
<us-gaap:DebtInstrumentCarryingAmount id="Factid_20818992" contextRef="PAsOn12_31_2020_EpsilonAcquisitionsLLCMemberusgaapDebtInstrumentAxis_NotesPayableOtherPayablesMemberusgaapLongtermDebtTypeAxis" unitRef="Unit_USD" decimals="-5">1000000</us-gaap:DebtInstrumentCarryingAmount>
<us-gaap:DebtInstrumentFaceAmount id="Factid_20818993" contextRef="PAsOn05_03_2017_NoteFiveSmomMemberusgaapLongtermDebtTypeAxis" unitRef="Unit_USD" decimals="INF">3000000</us-gaap:DebtInstrumentFaceAmount>
<omex:PercentageOfAccountsReceivablesUsedAsDebtCollateral id="Factid_20818994" contextRef="P05_03_2017To05_03_2017_NeptuneMineralsIncorporatedMemberdeiLegalEntityAxis_NoteFiveSmomMemberusgaapLongtermDebtTypeAxis" unitRef="Unit_pure" decimals="2">0.50</omex:PercentageOfAccountsReceivablesUsedAsDebtCollateral>
<us-gaap:DebtInstrumentInterestRateStatedPercentage id="Factid_20818995" contextRef="PAsOn05_03_2017_NoteFiveSmomMemberusgaapLongtermDebtTypeAxis" unitRef="Unit_pure" decimals="INF">0.10</us-gaap:DebtInstrumentInterestRateStatedPercentage>
<us-gaap:DebtInstrumentInterestRateEffectivePercentage id="Factid_20818996" contextRef="PAsOn01_31_2021_NoteSevenMonacoTwoThousandEighteenMemberusgaapLongtermDebtTypeAxis" unitRef="Unit_pure" decimals="2">0.18</us-gaap:DebtInstrumentInterestRateEffectivePercentage>
<us-gaap:DebtInstrumentFaceAmount id="Factid_20818997" contextRef="PAsOn04_20_2018_NoteFiveSmomMemberusgaapLongtermDebtTypeAxis" unitRef="Unit_USD" decimals="INF">3.5</us-gaap:DebtInstrumentFaceAmount>
<us-gaap:DebtInstrumentCarryingAmount id="Factid_20818998" contextRef="PAsOn03_31_2021_NoteFiveSmomMemberusgaapLongtermDebtTypeAxis" unitRef="Unit_USD" decimals="-5">3500000</us-gaap:DebtInstrumentCarryingAmount>
<us-gaap:ConvertibleDebt id="Factid_20818999" contextRef="PAsOn03_31_2021_MaximumMembersrtRangeAxis_NoteFiveSmomMemberusgaapLongtermDebtTypeAxis" unitRef="Unit_USD" decimals="-5">2000000</us-gaap:ConvertibleDebt>
<omex:DebtInstrumentConvertibleConversionPriceValue id="Factid_20819001" contextRef="PAsOn05_03_2017_AldamaMiningCompanySdeRLdeCVMemberdeiLegalEntityAxis_NoteFiveSmomMemberusgaapLongtermDebtTypeAxis" unitRef="Unit_USD" decimals="-5">1000000</omex:DebtInstrumentConvertibleConversionPriceValue>
<omex:PercentageOfEquityInterestGuaranteedSecuredDebt id="Factid_20819002" contextRef="PAsOn05_03_2017_AldamaMiningCompanySdeRLdeCVMemberdeiLegalEntityAxis_NoteFiveSmomMemberusgaapLongtermDebtTypeAxis" unitRef="Unit_pure" decimals="INF">0.10</omex:PercentageOfEquityInterestGuaranteedSecuredDebt>
<omex:PercentageOfEquityInterestGuaranteedSecuredDebt id="Factid_20819003" contextRef="PAsOn05_03_2017_AldamaMiningCompanySdeRLdeCVMemberdeiLegalEntityAxis_MaximumMembersrtRangeAxis_NoteFiveSmomMemberusgaapLongtermDebtTypeAxis" unitRef="Unit_pure" decimals="INF">0.50</omex:PercentageOfEquityInterestGuaranteedSecuredDebt>
<us-gaap:DebtInstrumentAnnualPrincipalPayment id="Factid_20819004" contextRef="PAsOn05_03_2017_NoteFiveSmomMemberusgaapLongtermDebtTypeAxis" unitRef="Unit_USD" decimals="0">500000</us-gaap:DebtInstrumentAnnualPrincipalPayment>
<us-gaap:DebtInstrumentIncreaseAccruedInterest id="Factid_20819005" contextRef="P01_01_2021To03_31_2021_NoteFiveSmomMemberusgaapLongtermDebtTypeAxis" unitRef="Unit_USD" decimals="0">155343</us-gaap:DebtInstrumentIncreaseAccruedInterest>
<us-gaap:DebtInstrumentIncreaseAccruedInterest id="Factid_20819006" contextRef="P01_01_2020To03_31_2020_NoteFiveSmomMemberusgaapLongtermDebtTypeAxis" unitRef="Unit_USD" decimals="0">87260</us-gaap:DebtInstrumentIncreaseAccruedInterest>
<omex:DebtInstrumentMaximumBorrowingCapacity id="Factid_20819007" contextRef="PAsOn08_10_2017_DebtInstrumentNotePurchaseAgreementOneMemberusgaapDebtInstrumentAxis_LoansPayableMemberusgaapLongtermDebtTypeAxis" unitRef="Unit_USD" decimals="-5">3000000</omex:DebtInstrumentMaximumBorrowingCapacity>
<us-gaap:DebtInstrumentCarryingAmount id="Factid_20819008" contextRef="PAsOn08_10_2017_DebtInstrumentNotePurchaseAgreementOneMemberusgaapDebtInstrumentAxis_LoansPayableMemberusgaapLongtermDebtTypeAxis" unitRef="Unit_USD" decimals="-5">2700000</us-gaap:DebtInstrumentCarryingAmount>
<us-gaap:DebtConversionOriginalDebtAmount1 id="Factid_20819009" contextRef="P08_10_2017To08_10_2017_EpsilonAcquisitionsLLCMemberusgaapDebtInstrumentAxis_NotesPayableOtherPayablesMemberusgaapLongtermDebtTypeAxis" unitRef="Unit_USD" decimals="-5">2000000</us-gaap:DebtConversionOriginalDebtAmount1>
<us-gaap:DebtInstrumentCarryingAmount id="Factid_20819010" contextRef="PAsOn03_31_2021_LoansPayableMemberusgaapLongtermDebtTypeAxis_NoteSixMinosaTwoMemberusgaapDebtInstrumentAxis" unitRef="Unit_USD" decimals="-4">5050000</us-gaap:DebtInstrumentCarryingAmount>
<us-gaap:DebtInstrumentInterestRateStatedPercentage id="Factid_20819011" contextRef="PAsOn08_10_2017_LoansPayableMemberusgaapLongtermDebtTypeAxis_NoteSixMinosaTwoMemberusgaapDebtInstrumentAxis" unitRef="Unit_pure" decimals="INF">0.100</us-gaap:DebtInstrumentInterestRateStatedPercentage>
<omex:DebtInstrumentThresholdPaymentTerm id="Factid_20819012" contextRef="P08_10_2017To08_10_2017_LoansPayableMemberusgaapLongtermDebtTypeAxis_NoteSixMinosaTwoMemberusgaapDebtInstrumentAxis">P60D</omex:DebtInstrumentThresholdPaymentTerm>
<us-gaap:DebtInstrumentConvertibleThresholdConsecutiveTradingDays1 id="Factid_20819013" contextRef="P08_10_2017To08_10_2017_LoansPayableMemberusgaapLongtermDebtTypeAxis_NoteSixMinosaTwoMemberusgaapDebtInstrumentAxis" unitRef="Unit_d" decimals="INF">75</us-gaap:DebtInstrumentConvertibleThresholdConsecutiveTradingDays1>
<us-gaap:DebtInstrumentConvertibleConversionPrice1 id="Factid_20819014" contextRef="PAsOn08_10_2017_LoansPayableMemberusgaapLongtermDebtTypeAxis_NoteSixMinosaTwoMemberusgaapDebtInstrumentAxis" unitRef="Unit_USD_per_Share" decimals="2">4.41</us-gaap:DebtInstrumentConvertibleConversionPrice1>
<us-gaap:DebtInstrumentConvertibleBeneficialConversionFeature id="Factid_20819015" contextRef="P01_01_2021To03_31_2021_NoteSixMinosaTwoMemberusgaapDebtInstrumentAxis" unitRef="Unit_USD" decimals="0">62925</us-gaap:DebtInstrumentConvertibleBeneficialConversionFeature>
<us-gaap:DebtInstrumentIncreaseAccruedInterest id="Factid_20819016" contextRef="P01_01_2021To03_31_2021_NoteSixMinosaTwoMemberusgaapDebtInstrumentAxis" unitRef="Unit_USD" decimals="0">124520</us-gaap:DebtInstrumentIncreaseAccruedInterest>
<us-gaap:DebtInstrumentIncreaseAccruedInterest id="Factid_20819017" contextRef="P01_01_2020To03_31_2020_NoteSixMinosaTwoMemberusgaapDebtInstrumentAxis" unitRef="Unit_USD" decimals="0">125903</us-gaap:DebtInstrumentIncreaseAccruedInterest>
<us-gaap:DebtInstrumentFaceAmount id="Factid_20819018" contextRef="PAsOn03_18_2016_EpsilonAcquisitionsLLCMemberusgaapDebtInstrumentAxis" unitRef="Unit_USD" decimals="-5">6000000</us-gaap:DebtInstrumentFaceAmount>
<us-gaap:DebtInstrumentCarryingAmount id="Factid_20819019" contextRef="PAsOn10_01_2016_NoteSixMinosaTwoMemberusgaapDebtInstrumentAxis_NotesPayableOtherPayablesMemberusgaapLongtermDebtTypeAxis" unitRef="Unit_USD" decimals="-5">2000000</us-gaap:DebtInstrumentCarryingAmount>
<us-gaap:DebtInstrumentCarryingAmount id="Factid_20819020" contextRef="PAsOn03_31_2021_EpsilonAcquisitionsLLCMemberusgaapDebtInstrumentAxis_SecondAREpsilonNoteMemberusgaapLongtermDebtTypeAxis" unitRef="Unit_USD" decimals="-5">1000000</us-gaap:DebtInstrumentCarryingAmount>
<us-gaap:DebtConversionOriginalDebtAmount1 id="Factid_20819021" contextRef="P01_01_2017To12_31_2017_EpsilonAcquisitionsLLCMemberusgaapDebtInstrumentAxis_NotesPayableOtherPayablesMemberusgaapLongtermDebtTypeAxis" unitRef="Unit_USD" decimals="-5">2000000</us-gaap:DebtConversionOriginalDebtAmount1>
<omex:DebtInstrumentThresholdPaymentTerm id="Factid_20819023" contextRef="P01_01_2017To12_31_2017_NoteSixMinosaTwoMemberusgaapDebtInstrumentAxis">P60D</omex:DebtInstrumentThresholdPaymentTerm>
<us-gaap:DebtInstrumentFaceAmount id="Factid_20819024" contextRef="PAsOn03_11_2015_NoteSixMinosaTwoMemberusgaapDebtInstrumentAxis_PromissoryNoteMemberusgaapShortTermDebtTypeAxis_SharePurchaseAgreementMemberusgaapInvestmentTypeAxis" unitRef="Unit_USD" decimals="INF">14750000</us-gaap:DebtInstrumentFaceAmount>
<omex:DebtInstrumentThresholdPaymentTerm id="Factid_20819026" contextRef="P01_01_2021To03_31_2021_NoteSixMinosaTwoMemberusgaapDebtInstrumentAxis">P60D</omex:DebtInstrumentThresholdPaymentTerm>
<omex:JudgmentAmountForAccelerationOfIndebtedness id="Factid_20819027" contextRef="P01_01_2021To03_31_2021_NoteSixMinosaTwoMemberusgaapDebtInstrumentAxis" unitRef="Unit_USD" decimals="INF">100000</omex:JudgmentAmountForAccelerationOfIndebtedness>
<omex:PledgedUnitsOfOwnership id="Factid_20819028" contextRef="P01_01_2021To03_31_2021_EpsilonAcquisitionsLLCMemberusgaapDebtInstrumentAxis_NotesPayableOtherPayablesMemberusgaapLongtermDebtTypeAxis" unitRef="Unit_Cuota" decimals="-6">54000000</omex:PledgedUnitsOfOwnership>
<omex:AggregateOfferingPriceMinimum id="Factid_20819029" contextRef="PAsOn03_31_2021_NoteSixMinosaTwoMemberusgaapDebtInstrumentAxis" unitRef="Unit_USD" decimals="INF">3000000</omex:AggregateOfferingPriceMinimum>
<us-gaap:DebtInstrumentCarryingAmount id="Factid_20819030" contextRef="PAsOn03_31_2018_NoteSevenMonacoTwoThousandEighteenMemberusgaapLongtermDebtTypeAxis" unitRef="Unit_USD" decimals="-5">1000000</us-gaap:DebtInstrumentCarryingAmount>
<us-gaap:AccruedRentCurrentAndNoncurrent id="Factid_20819031" contextRef="PAsOn03_31_2018_NoteSevenMonacoTwoThousandEighteenMemberusgaapLongtermDebtTypeAxis" unitRef="Unit_USD" decimals="-6">99366000000</us-gaap:AccruedRentCurrentAndNoncurrent>
<us-gaap:DebtInstrumentFaceAmount id="Factid_20819032" contextRef="PAsOn03_31_2021_NoteSevenMonacoTwoThousandEighteenMemberusgaapLongtermDebtTypeAxis" unitRef="Unit_USD" decimals="INF">1099366</us-gaap:DebtInstrumentFaceAmount>
<us-gaap:DebtInstrumentInterestRateStatedPercentage id="Factid_20819033" contextRef="PAsOn03_31_2021_NoteSevenMonacoTwoThousandEighteenMemberusgaapLongtermDebtTypeAxis" unitRef="Unit_pure" decimals="INF">0.100</us-gaap:DebtInstrumentInterestRateStatedPercentage>
<us-gaap:DebtInstrumentIncreaseAccruedInterest id="Factid_20819035" contextRef="P01_01_2021To03_31_2021_NoteSevenMonacoTwoThousandEighteenMemberusgaapLongtermDebtTypeAxis" unitRef="Unit_USD" decimals="0">64893</us-gaap:DebtInstrumentIncreaseAccruedInterest>
<us-gaap:DebtInstrumentIncreaseAccruedInterest id="Factid_20819036" contextRef="P01_01_2020To03_31_2020_NoteSevenMonacoTwoThousandEighteenMemberusgaapLongtermDebtTypeAxis" unitRef="Unit_USD" decimals="0">32776</us-gaap:DebtInstrumentIncreaseAccruedInterest>
<omex:OutstandingCommonStockOwnershipPercentage id="Factid_20819037" contextRef="P07_12_2018To07_12_2018_IndividualOneMemberusgaapRelatedPartyTransactionsByRelatedPartyAxis_MinimumMembersrtRangeAxis_NoteAndWarrantPurchaseAgreementMemberusgaapInvestmentTypeAxis" unitRef="Unit_pure" decimals="INF">0.050</omex:OutstandingCommonStockOwnershipPercentage>
<us-gaap:DebtInstrumentFaceAmount id="Factid_20819038" contextRef="PAsOn07_12_2018_NoteAndWarrantPurchaseAgreementMemberusgaapInvestmentTypeAxis" unitRef="Unit_USD" decimals="INF">1050000</us-gaap:DebtInstrumentFaceAmount>
<us-gaap:DebtInstrumentFaceAmount id="Factid_20819039" contextRef="PAsOn07_12_2018_DebtInstrumentRedemptionPeriodOneMemberusgaapDebtInstrumentRedemptionPeriodAxis_NoteAndWarrantPurchaseAgreementMemberusgaapInvestmentTypeAxis" unitRef="Unit_USD" decimals="INF">500000</us-gaap:DebtInstrumentFaceAmount>
<us-gaap:DebtInstrumentFaceAmount id="Factid_20819040" contextRef="PAsOn08_17_2018_DebtInstrumentRedemptionPeriodTwoMemberusgaapDebtInstrumentRedemptionPeriodAxis_NoteAndWarrantPurchaseAgreementMemberusgaapInvestmentTypeAxis" unitRef="Unit_USD" decimals="INF">300000</us-gaap:DebtInstrumentFaceAmount>
<us-gaap:DebtInstrumentFaceAmount id="Factid_20819041" contextRef="PAsOn10_04_2018_DebtInstrumentRedemptionPeriodThreeMemberusgaapDebtInstrumentRedemptionPeriodAxis_NoteAndWarrantPurchaseAgreementMemberusgaapInvestmentTypeAxis" unitRef="Unit_USD" decimals="INF">250000</us-gaap:DebtInstrumentFaceAmount>
<us-gaap:DebtInstrumentInterestRateStatedPercentage id="Factid_20819042" contextRef="PAsOn07_12_2018_NoteAndWarrantPurchaseAgreementMemberusgaapInvestmentTypeAxis" unitRef="Unit_pure" decimals="INF">0.080</us-gaap:DebtInstrumentInterestRateStatedPercentage>
<us-gaap:DebtInstrumentConvertibleConversionRatio1 id="Factid_20819043" contextRef="P01_01_2021To03_31_2021_NoteAndWarrantPurchaseAgreementMemberusgaapInvestmentTypeAxis" unitRef="Unit_pure" decimals="2">8.00</us-gaap:DebtInstrumentConvertibleConversionRatio1>
<omex:DischargeOfIndebtedness id="Factid_20819044" contextRef="PAsOn03_31_2021_NoteAndWarrantPurchaseAgreementMemberusgaapInvestmentTypeAxis" unitRef="Unit_USD" decimals="0">500000</omex:DischargeOfIndebtedness>
<us-gaap:MinorityInterestOwnershipPercentageByNoncontrollingOwners id="Factid_20819045" contextRef="PAsOn03_31_2021_AldamaMiningCompanySdeRLdeCVMembersrtOwnershipAxis_NoteAndWarrantPurchaseAgreementMemberusgaapInvestmentTypeAxis" unitRef="Unit_pure" decimals="3">0.075</us-gaap:MinorityInterestOwnershipPercentageByNoncontrollingOwners>
<omex:WarrantsExercisedToPurchaseCommonStockShares id="Factid_20819046" contextRef="P01_01_2021To03_31_2021_NoteAndWarrantPurchaseAgreementMemberusgaapInvestmentTypeAxis" unitRef="Unit_shares" decimals="INF">65625</omex:WarrantsExercisedToPurchaseCommonStockShares>
<us-gaap:ProceedsFromIssuanceOfDebt id="Factid_20819048" contextRef="P01_01_2018To12_31_2018_BeneficialConversionFeatureMemberusgaapDebtInstrumentAxis_MaximumMembersrtRangeAxis_NoteAndWarrantPurchaseAgreementMemberusgaapInvestmentTypeAxis" unitRef="Unit_USD" decimals="INF">1050000</us-gaap:ProceedsFromIssuanceOfDebt>
<us-gaap:DebtInstrumentFaceAmount id="Factid_20819049" contextRef="PAsOn03_31_2021_BeneficialConversionFeatureMemberusgaapDebtInstrumentAxis_NoteAndWarrantPurchaseAgreementMemberusgaapInvestmentTypeAxis" unitRef="Unit_USD" decimals="-4">1050000</us-gaap:DebtInstrumentFaceAmount>
<us-gaap:DebtInstrumentIncreaseAccruedInterest id="Factid_20819050" contextRef="P01_01_2021To03_31_2021_NoteAndWarrantPurchaseAgreementMemberusgaapInvestmentTypeAxis" unitRef="Unit_USD" decimals="0">25234</us-gaap:DebtInstrumentIncreaseAccruedInterest>
<us-gaap:DebtInstrumentIncreaseAccruedInterest id="Factid_20819051" contextRef="P01_01_2020To03_31_2020_NoteAndWarrantPurchaseAgreementMemberusgaapInvestmentTypeAxis" unitRef="Unit_USD" decimals="0">23555</us-gaap:DebtInstrumentIncreaseAccruedInterest>
<omex:PercentageOfImpactOfNewAccountingPronouncementsAndCashFlowEffects id="Factid_20819052" contextRef="PAsOn07_08_2019_MaximumMembersrtRangeAxis_NoteAndWarrantPurchaseAgreementMemberusgaapInvestmentTypeAxis" unitRef="Unit_pure" decimals="INF">0.10</omex:PercentageOfImpactOfNewAccountingPronouncementsAndCashFlowEffects>
<omex:PercentageOfChangeInTheFairValueOfTheEmbeddedConversionOption id="Factid_20819053" contextRef="PAsOn07_08_2019_MinimumMembersrtRangeAxis_NoteAndWarrantPurchaseAgreementMemberusgaapInvestmentTypeAxis" unitRef="Unit_pure" decimals="2">0.10</omex:PercentageOfChangeInTheFairValueOfTheEmbeddedConversionOption>
<us-gaap:GainsLossesOnExtinguishmentOfDebt id="Factid_20819054" contextRef="P01_01_2019To12_31_2019" unitRef="Unit_USD" decimals="0">-290024</us-gaap:GainsLossesOnExtinguishmentOfDebt>
<omex:FairValueReacquisitionPrice id="Factid_20819055" contextRef="PAsOn03_31_2021" unitRef="Unit_USD" decimals="0">1340024</omex:FairValueReacquisitionPrice>
<us-gaap:DebtInstrumentUnamortizedPremium id="Factid_20819056" contextRef="PAsOn03_31_2021" unitRef="Unit_USD" decimals="0">290024</us-gaap:DebtInstrumentUnamortizedPremium>
<omex:DebtModificationInducement id="Factid_20819057" contextRef="P01_01_2021To03_31_2021" unitRef="Unit_USD" decimals="0">-868878</omex:DebtModificationInducement>
<us-gaap:ConvertibleDebt id="Factid_20819060" contextRef="PAsOn08_14_2020_NoteAndWarrantPurchaseAgreementMemberusgaapInvestmentTypeAxis" unitRef="Unit_USD" decimals="0">1232846</us-gaap:ConvertibleDebt>
<us-gaap:DebtInstrumentConvertibleNumberOfEquityInstruments id="Factid_20819061" contextRef="P08_14_2020To08_14_2020_NoteAndWarrantPurchaseAgreementMemberusgaapInvestmentTypeAxis" unitRef="Unit_Cuota" decimals="0">263993</us-gaap:DebtInstrumentConvertibleNumberOfEquityInstruments>
<us-gaap:GainsLossesOnExtinguishmentOfDebt id="Factid_20819064" contextRef="P08_14_2020To08_14_2020_NoteAndWarrantPurchaseAgreementMemberusgaapInvestmentTypeAxis" unitRef="Unit_USD" decimals="0">-777500</us-gaap:GainsLossesOnExtinguishmentOfDebt>
<us-gaap:DebtInstrumentUnamortizedPremium id="Factid_20819065" contextRef="PAsOn08_14_2020" unitRef="Unit_USD" decimals="0">358497</us-gaap:DebtInstrumentUnamortizedPremium>
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<us-gaap:CommonStockParOrStatedValuePerShare id="Factid_20819601" contextRef="PAsOn03_31_2021" unitRef="Unit_USD_per_Share" decimals="INF">0.0001</us-gaap:CommonStockParOrStatedValuePerShare>
<us-gaap:CommonStockParOrStatedValuePerShare id="Factid_20819602" contextRef="PAsOn12_31_2020" unitRef="Unit_USD_per_Share" decimals="INF">0.0001</us-gaap:CommonStockParOrStatedValuePerShare>
<us-gaap:RevenueFromContractWithCustomerTextBlock id="Factid_20820186" contextRef="P01_01_2021To03_31_2021">&lt;div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;NOTE L &amp;#8211; REVENUE PARTICIPATION RIGHTS &lt;/div&gt;&lt;/div&gt;&lt;/div&gt;  &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;The Company&amp;#8217;s participating revenue rights consisted of the following at: &lt;/div&gt;&lt;/div&gt; &lt;div style="font-size: 12pt; margin-top: 0pt; margin-bottom: 0pt;"&gt;&lt;div style="font-size: 12pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&amp;#160;&lt;/div&gt;&lt;/div&gt; &lt;table border="0" cellpadding="0" cellspacing="0" style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; border-collapse: collapse; border-spacing: 0px;;margin : 0px auto;;text-align:left;;width:76%;"&gt;&lt;tr style="font-size: 0px;"&gt;&lt;td style="width: 72%;"&gt;&lt;/td&gt;&lt;td style="width: 5%;;vertical-align:bottom;"&gt;&lt;/td&gt;&lt;td style="width: 0%;"&gt;&lt;/td&gt;&lt;td style="width: 0%;"&gt;&lt;/td&gt;&lt;td style="width: 0%;"&gt;&lt;/td&gt;&lt;td style="width: 5%;;vertical-align:bottom;"&gt;&lt;/td&gt;&lt;td style="width: 0%;"&gt;&lt;/td&gt;&lt;td style="width: 0%;"&gt;&lt;/td&gt;&lt;td style="width: 0%;"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 8pt; page-break-inside: avoid;"&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;;width:;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;;width:;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td colspan="2" style="border-bottom-color: rgb(0, 0, 0); border-bottom-width: 1pt; border-bottom-style: solid;;text-align:center;;vertical-align:bottom;;width:;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;March&amp;#160;31,&amp;#160;2021&lt;/div&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;;width:;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;;width:;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td colspan="2" style="border-bottom-color: rgb(0, 0, 0); border-bottom-width: 1pt; border-bottom-style: solid;;text-align:center;;vertical-align:bottom;;width:;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;December&amp;#160;31,&amp;#160;2020&lt;/div&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;;width:;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="background-color: rgb(204, 238, 255); width: 72%;;vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px; background-color: rgb(204, 238, 255);;display:inline;"&gt;&amp;#8220;&lt;div style="font-style:italic;display:inline;;font-style:italic;display:inline;"&gt;Seattle&amp;#8221;&lt;/div&gt; project&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255); width: 5%;;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255); width: 0%;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255); width: 0%;;text-align:right;;vertical-align:bottom;"&gt;62,500&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255); width: 0%;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255); width: 5%;;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255); width: 0%;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255); width: 0%;;text-align:right;;vertical-align:bottom;"&gt;62,500&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255); width: 0%;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="width: 72%;;vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;Galt Resources, LLC (HMS &lt;div style="font-style:italic;display:inline;"&gt;Victory&lt;/div&gt; project)&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="width: 5%;;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; width: 0%;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; width: 0%;;text-align:right;;vertical-align:bottom;"&gt;3,756,250&lt;/td&gt;&lt;td style="white-space: nowrap; width: 0%;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="width: 5%;;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; width: 0%;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; width: 0%;;text-align:right;;vertical-align:bottom;"&gt;3,756,250&lt;/td&gt;&lt;td style="white-space: nowrap; width: 0%;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-size: 1px;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; width: 72%;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="width: 5%;;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="width: 0%;;vertical-align:bottom;"&gt;&lt;div style="margin-top: 0pt; margin-bottom: 0pt; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="width: 0%;;vertical-align:bottom;"&gt;&lt;div style="margin-top: 0pt; margin-bottom: 0pt; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="width: 0%;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="width: 5%;;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="width: 0%;;vertical-align:bottom;"&gt;&lt;div style="margin-top: 0pt; margin-bottom: 0pt; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="width: 0%;;vertical-align:bottom;"&gt;&lt;div style="margin-top: 0pt; margin-bottom: 0pt; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="width: 0%;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="background-color: rgb(204, 238, 255); width: 72%;;vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px; background-color: rgb(204, 238, 255);;display:inline;"&gt;Total revenue participation rights&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255); width: 5%;;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255); width: 0%;;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255); width: 0%;;text-align:right;;vertical-align:bottom;"&gt;3,818,750&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255); width: 0%;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255); width: 5%;;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255); width: 0%;;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255); width: 0%;;text-align:right;;vertical-align:bottom;"&gt;3,818,750&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255); width: 0%;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-size: 1px;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; width: 72%;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="width: 5%;;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="width: 0%;;vertical-align:bottom;"&gt;&lt;div style="margin-top: 0pt; margin-bottom: 0pt; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="width: 0%;;vertical-align:bottom;"&gt;&lt;div style="margin-top: 0pt; margin-bottom: 0pt; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="width: 0%;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="width: 5%;;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="width: 0%;;vertical-align:bottom;"&gt;&lt;div style="margin-top: 0pt; margin-bottom: 0pt; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="width: 0%;;vertical-align:bottom;"&gt;&lt;div style="margin-top: 0pt; margin-bottom: 0pt; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="width: 0%;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt;  &lt;div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;&amp;#8220;&lt;/div&gt;&lt;div style="font-weight:bold;display:inline;"&gt;&lt;div style="font-style:italic;display:inline;;font-style:italic;display:inline;"&gt;Seattle&lt;/div&gt;&lt;/div&gt;&lt;div style="font-weight:bold;display:inline;"&gt;&amp;#8221; project &lt;/div&gt;&lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;In a private placement that closed in September 2000, we sold &amp;#8220;units&amp;#8221; consisting of &amp;#8220;&lt;div style="font-style:italic;display:inline;;font-style:italic;display:inline;"&gt;Republic&amp;#8221;&lt;/div&gt; Revenue Participation Certificates and Common Stock. Each $50,000 &amp;#8220;unit&amp;#8221; entitled the holder to 1% of the gross revenue generated by the now named &amp;#8220;&lt;div style="font-style:italic;display:inline;;font-style:italic;display:inline;"&gt;Seattle&lt;/div&gt;&amp;#8221; project (formerly referred to as the &amp;#8220;&lt;div style="font-style:italic;display:inline;;font-style:italic;display:inline;"&gt;Republic&lt;/div&gt;&amp;#8221; project), and 100,000 shares of Common Stock. Gross revenue is defined as all cash proceeds payable to us as a result of the &amp;#8220;&lt;div style="font-style:italic;display:inline;;font-style:italic;display:inline;"&gt;Seattle&lt;/div&gt;&amp;#8221; project, excluding funds received by us to finance the project. &lt;/div&gt;&lt;/div&gt; &lt;div style="font-size: 1px; margin-top: 12px; margin-bottom: 0px;"&gt;&lt;div style="font-size: 1px; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&amp;#160;&lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;The participat&lt;div style="letter-spacing: 0px; top: 0px;;display:inline;"&gt;ion&lt;/div&gt;&amp;#160;rights balance will be amortized under the units of revenue method once management can reasonably estimate potential revenue for this project. The RPCs for the &amp;#8220;&lt;div style="font-style:italic;display:inline;;font-style:italic;display:inline;"&gt;Seattle&amp;#8221;&lt;/div&gt; project do not have a termination date; therefore, these liabilities will be carried on the books until revenue is recognized from the project or we permanently abandon the project. &lt;/div&gt;&lt;/div&gt; &lt;div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;Galt Resources, LLC &lt;/div&gt;&lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;In February 2011, we entered into a project syndication deal with Galt Resources LLC (&amp;#8220;Galt&amp;#8221;) for which they invested $7,512,500 representing rights to future revenues of any one project Galt selected prior to December&amp;#160;31, 2011. If the project is successful and generates sufficient proceeds, Galt will recoup their investment plus three times the investment. Galt&amp;#8217;s investment return will be paid out of project proceeds. Galt will receive 50% of project proceeds until this amount is recouped. Thereafter, they will share in additional net proceeds of the project at the rate of 1% for every million invested. Subsequent to the original syndication deal, we reached an agreement permitting Galt to bifurcate their selection between two projects, the SS &lt;div style="font-style:italic;display:inline;;font-style:italic;display:inline;"&gt;Gairsoppa&lt;/div&gt; and HMS &lt;div style="font-style:italic;display:inline;;font-style:italic;display:inline;"&gt;Victory&lt;/div&gt; with the residual &lt;div style="letter-spacing: 0px; top: 0px;;display:inline;"&gt;1&lt;/div&gt;% on additional net proceeds assigned to the HMS &lt;div style="font-style:italic;display:inline;;font-style:italic;display:inline;"&gt;Victory&lt;/div&gt; project only. The bifurcation resulted in $3,756,250 being allocated to each of the two projects. Therefore, Galt will receive 7.5125% of net proceeds from the HMS &lt;div style="font-style:italic;display:inline;;font-style:italic;display:inline;"&gt;Victory&lt;/div&gt; project after they recoup their investment of $&lt;div style="letter-spacing: 0px; top: 0px;;display:inline;"&gt;3,756,250&lt;/div&gt; plus three times the investment. Galt has been paid in full for their share of the &lt;div style="font-style:italic;display:inline;;font-style:italic;display:inline;"&gt;Gairsoppa &lt;/div&gt;project investment. There are no future payments remaining due to Galt for the &lt;div style="font-style:italic;display:inline;;font-style:italic;display:inline;"&gt;Gairsoppa&lt;/div&gt; project. Based on the timing of the proceeds earmarked for Galt, the relative corresponding amount of Galt&amp;#8217;s revenue participation right of $3,756,250 was amortized into revenue in 2012 based upon the percent of Galt-related proceeds from the sale of silver as a percentage of total proceeds that Galt earned under the revenue participation agreement ($15.0 million). There is no expiration date on the Galt deal for the HMS &lt;div style="font-style:italic;display:inline;;font-style:italic;display:inline;"&gt;Victory&lt;/div&gt; project. If the archaeological excavation of the shipwreck is performed and insufficient proceeds are obtained, then the deferred income balance will be recognized as other income. If the archaeological excavation of the shipwreck is performed and sufficient proceeds are obtained, then the deferred income balance will be recognized as revenue. &lt;/div&gt;&lt;/div&gt; &lt;table border="0" style="width:100%; table-layout:fixed;" cellspacing="0" cellpadding="0"&gt;&lt;tr&gt;&lt;td&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;</us-gaap:RevenueFromContractWithCustomerTextBlock>
<omex:ScheduleOfRevenueParticipationRightsTableTextBlock id="Factid_20820197" contextRef="P01_01_2021To03_31_2021">&lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;The Company&amp;#8217;s participating revenue rights consisted of the following at: &lt;/div&gt;&lt;/div&gt; &lt;div style="font-size: 12pt; margin-top: 0pt; margin-bottom: 0pt;"&gt;&lt;div style="font-size: 12pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&amp;#160;&lt;/div&gt;&lt;/div&gt; &lt;table border="0" cellpadding="0" cellspacing="0" style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; border-collapse: collapse; border-spacing: 0px;;margin : 0px auto;;text-align:left;;width:76%;"&gt;&lt;tr style="font-size: 0px;"&gt;&lt;td style="width: 72%;"&gt;&lt;/td&gt;&lt;td style="width: 5%;;vertical-align:bottom;"&gt;&lt;/td&gt;&lt;td style="width: 0%;"&gt;&lt;/td&gt;&lt;td style="width: 0%;"&gt;&lt;/td&gt;&lt;td style="width: 0%;"&gt;&lt;/td&gt;&lt;td style="width: 5%;;vertical-align:bottom;"&gt;&lt;/td&gt;&lt;td style="width: 0%;"&gt;&lt;/td&gt;&lt;td style="width: 0%;"&gt;&lt;/td&gt;&lt;td style="width: 0%;"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 8pt; page-break-inside: avoid;"&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;;width:;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;;width:;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td colspan="2" style="border-bottom-color: rgb(0, 0, 0); border-bottom-width: 1pt; border-bottom-style: solid;;text-align:center;;vertical-align:bottom;;width:;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;March&amp;#160;31,&amp;#160;2021&lt;/div&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;;width:;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;;width:;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td colspan="2" style="border-bottom-color: rgb(0, 0, 0); border-bottom-width: 1pt; border-bottom-style: solid;;text-align:center;;vertical-align:bottom;;width:;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;December&amp;#160;31,&amp;#160;2020&lt;/div&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;;width:;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="background-color: rgb(204, 238, 255); width: 72%;;vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px; background-color: rgb(204, 238, 255);;display:inline;"&gt;&amp;#8220;&lt;div style="font-style:italic;display:inline;;font-style:italic;display:inline;"&gt;Seattle&amp;#8221;&lt;/div&gt; project&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255); width: 5%;;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255); width: 0%;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255); width: 0%;;text-align:right;;vertical-align:bottom;"&gt;62,500&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255); width: 0%;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255); width: 5%;;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255); width: 0%;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255); width: 0%;;text-align:right;;vertical-align:bottom;"&gt;62,500&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255); width: 0%;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="width: 72%;;vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;Galt Resources, LLC (HMS &lt;div style="font-style:italic;display:inline;"&gt;Victory&lt;/div&gt; project)&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="width: 5%;;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; width: 0%;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; width: 0%;;text-align:right;;vertical-align:bottom;"&gt;3,756,250&lt;/td&gt;&lt;td style="white-space: nowrap; width: 0%;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="width: 5%;;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; width: 0%;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; width: 0%;;text-align:right;;vertical-align:bottom;"&gt;3,756,250&lt;/td&gt;&lt;td style="white-space: nowrap; width: 0%;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-size: 1px;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; width: 72%;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="width: 5%;;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="width: 0%;;vertical-align:bottom;"&gt;&lt;div style="margin-top: 0pt; margin-bottom: 0pt; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="width: 0%;;vertical-align:bottom;"&gt;&lt;div style="margin-top: 0pt; margin-bottom: 0pt; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="width: 0%;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="width: 5%;;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="width: 0%;;vertical-align:bottom;"&gt;&lt;div style="margin-top: 0pt; margin-bottom: 0pt; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="width: 0%;;vertical-align:bottom;"&gt;&lt;div style="margin-top: 0pt; margin-bottom: 0pt; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="width: 0%;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="background-color: rgb(204, 238, 255); width: 72%;;vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px; background-color: rgb(204, 238, 255);;display:inline;"&gt;Total revenue participation rights&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255); width: 5%;;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255); width: 0%;;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255); width: 0%;;text-align:right;;vertical-align:bottom;"&gt;3,818,750&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255); width: 0%;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255); width: 5%;;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255); width: 0%;;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255); width: 0%;;text-align:right;;vertical-align:bottom;"&gt;3,818,750&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255); width: 0%;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-size: 1px;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; width: 72%;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="width: 5%;;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="width: 0%;;vertical-align:bottom;"&gt;&lt;div style="margin-top: 0pt; margin-bottom: 0pt; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="width: 0%;;vertical-align:bottom;"&gt;&lt;div style="margin-top: 0pt; margin-bottom: 0pt; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="width: 0%;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="width: 5%;;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="width: 0%;;vertical-align:bottom;"&gt;&lt;div style="margin-top: 0pt; margin-bottom: 0pt; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="width: 0%;;vertical-align:bottom;"&gt;&lt;div style="margin-top: 0pt; margin-bottom: 0pt; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="width: 0%;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;table border="0" style="width:100%; table-layout:fixed;" cellspacing="0" cellpadding="0"&gt;&lt;tr&gt;&lt;td&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;</omex:ScheduleOfRevenueParticipationRightsTableTextBlock>
<us-gaap:ContractWithCustomerLiabilityRevenueRecognized id="Factid_20820200" contextRef="P01_01_2021To03_31_2021_GaltResourcesLlcMemberusgaapDeferredRevenueArrangementTypeAxis_SsGairsoppaMemberusgaapAccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis" unitRef="Unit_USD" decimals="0">3756250</us-gaap:ContractWithCustomerLiabilityRevenueRecognized>
<us-gaap:ConcentrationRiskDisclosureTextBlock id="Factid_20820230" contextRef="P01_01_2021To03_31_2021">&lt;div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;NOTE K &amp;#8211; CONCENTRATION OF CREDIT RISK &lt;/div&gt;&lt;/div&gt;&lt;/div&gt;&lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;We do not currently have any debt obligations with variable interest rates. &lt;/div&gt;&lt;/div&gt;&lt;table border="0" style="width:100%; table-layout:fixed;" cellspacing="0" cellpadding="0"&gt;&lt;tr&gt;&lt;td&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;</us-gaap:ConcentrationRiskDisclosureTextBlock>
<us-gaap:LoansReceivableWithVariableRatesOfInterest1 id="Factid_20820231" contextRef="PAsOn03_31_2021" unitRef="Unit_USD" decimals="0">0</us-gaap:LoansReceivableWithVariableRatesOfInterest1>
<us-gaap:GainLossOnDerivativeInstrumentsNetPretax id="Factid_20820241" contextRef="P01_01_2020To03_31_2020" unitRef="Unit_USD" decimals="0">-203115</us-gaap:GainLossOnDerivativeInstrumentsNetPretax>
<omex:PreferredStockActivityTableTextBlock id="Factid_20820245" contextRef="P01_01_2021To03_31_2021">The Purchase Agreement provides for the Company to issue and sell to the Investor shares of the Company&amp;#8217;s preferred stock in the amounts set forth in the following table (numbers have been adjusted for the February 2016 reverse stock split):&lt;table border="0" style="width:100%; table-layout:fixed;" cellspacing="0" cellpadding="0"&gt;&lt;tr&gt;&lt;td&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;div style="font-size: 12pt; margin-top: 0pt; margin-bottom: 0pt;"&gt;&lt;table border="0" cellpadding="0" cellspacing="0" style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; border-collapse: collapse; border-spacing: 0px;;margin : 0px auto;;text-align:left;;width:84%;"&gt;&lt;tr style="font-size: 0px;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;;width:56%;"&gt;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;;width:6%;"&gt;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;"&gt;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;"&gt;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;"&gt;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;;width:6%;"&gt;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;"&gt;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;"&gt;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;"&gt;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;;width:6%;"&gt;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;"&gt;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;"&gt;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="white-space: nowrap; padding-bottom: 1pt;;vertical-align:bottom;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; border-bottom: 1pt solid rgb(0, 0, 0); display: table-cell; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;Convertible Preferred Stock&lt;/div&gt;&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td colspan="2" style="border-bottom-color: rgb(0, 0, 0); border-bottom-width: 1pt; border-bottom-style: solid;;text-align:center;;vertical-align:bottom;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;Shares&lt;/div&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td colspan="2" style="border-bottom-color: rgb(0, 0, 0); border-bottom-width: 1pt; border-bottom-style: solid;;text-align:center;;vertical-align:bottom;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;Price&amp;#160;Per&amp;#160;Share&lt;/div&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td colspan="2" style="border-bottom-color: rgb(0, 0, 0); border-bottom-width: 1pt; border-bottom-style: solid;;text-align:center;;vertical-align:bottom;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;Total&lt;br/&gt; Investment&lt;/div&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;Series &lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px; background-color: rgb(204, 238, 255);;display:inline;"&gt;AA-1&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;8,427,004&lt;/td&gt;&lt;td style="white-space: nowrap; font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;12.00&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;101,124,048&lt;/td&gt;&lt;td style="white-space: nowrap; font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;Series &lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;AA-2&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;7,223,145&lt;/td&gt;&lt;td style="white-space: nowrap; font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;6.00&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;43,338,870&lt;/td&gt;&lt;td style="white-space: nowrap; font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-size: 1px;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0pt; margin-bottom: 0pt; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0pt; margin-bottom: 0pt; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0pt; margin-bottom: 0pt; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0pt; margin-bottom: 0pt; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255);;vertical-align:top;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;15,650,149&lt;/td&gt;&lt;td style="white-space: nowrap; font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;144,462,918&lt;/td&gt;&lt;td style="white-space: nowrap; 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margin-bottom: 0pt; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0pt; margin-bottom: 0pt; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</omex:PreferredStockActivityTableTextBlock>
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<us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding id="Factid_20820275" contextRef="P01_01_2020To03_31_2020" unitRef="Unit_shares" decimals="0">9517664</us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding>
<us-gaap:OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock id="Factid_20820320" contextRef="P01_01_2021To03_31_2021">&lt;div style="font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;&lt;div style="display:inline;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;NOTE A - BASIS OF PRESENTATION &lt;/div&gt;&lt;/div&gt;&lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"&gt;&lt;div style="display:inline;"&gt;The accompanying unaudited consolidated financial statements of Odyssey Marine Exploration, Inc. and subsidiaries (the &amp;#8220;Company,&amp;#8221; &amp;#8220;Odyssey,&amp;#8221; &amp;#8220;us,&amp;#8221; &amp;#8220;we&amp;#8221; or &amp;#8220;our&amp;#8221;) have been prepared in accordance with the rules and regulations of the Securities and Exchange Commission and the instructions to &lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;Form&amp;#160;10-Q&lt;/div&gt; and, therefore, do not include all information and footnotes normally included in financial statements prepared in accordance with generally accepted accounting principles. These interim consolidated financial statements should be read in conjunction with the consolidated financial statements and notes included in the Company&amp;#8217;s Annual Report on &lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;Form&amp;#160;10-K&lt;/div&gt; for the year ended December&amp;#160;31, 2020. &lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;&lt;div style="display:inline;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;In the opinion of management, these financial statements reflect all adjustments, including normal recurring adjustments, necessary for a fair presentation of the financial position as of March&amp;#160;31, 2021 and 2020 and the results of operations and cash flows for the interim periods presented. Operating results for the three-month periods ended March&amp;#160;31, 2021 and 2021 are not necessarily indicative of the results that may be expected for the full year. &lt;/div&gt;&lt;/div&gt;&lt;/div&gt; &lt;div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"&gt;&lt;div style="display:inline;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;&lt;div style="font-style:italic;display:inline;;font-style:italic;display:inline;"&gt;Accounting standards not yet applied &lt;/div&gt;&lt;/div&gt;&lt;/div&gt;&lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"&gt;&lt;div style="display:inline;"&gt;In August 2020, the Financial Accounting Standards Board (FASB) issued Accounting Standards Update (ASU) &lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;No.&amp;#160;2020-06,&lt;/div&gt; Debt-Debt with Conversion and Other Options (Subtopic &lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;470-20)&lt;/div&gt; and Derivatives and Hedging-Contracts in Entity&amp;#8217;s Own Equity (Subtopic &lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;815-40).&lt;/div&gt; The amendments in the update are effective for public business entities that meet the definition of a Securities and Exchange Commission (SEC) filer, excluding entities eligible to be smaller reporting companies as defined by the SEC, for fiscal years beginning after December&amp;#160;15, 2021, including interim periods within those fiscal years. For all other entities, the amendments are effective for fiscal years beginning after December&amp;#160;15, 2023, including interim periods within those fiscal years. Early adoption is permitted, but no earlier than fiscal years beginning after December&amp;#160;15, 2020, including interim periods within those fiscal years. The FASB specified that an entity should adopt the guidance as of the beginning of its annual fiscal year. &lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;&lt;div style="display:inline;"&gt;The amendments in ASU &lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;No.&amp;#160;2020-06&lt;/div&gt; affect entities that issue convertible instruments and/or contracts in an entity&amp;#8217;s own equity. For convertible instruments, the instruments primarily affected are those issued with beneficial conversion features or cash conversion features because the accounting models for those specific features are removed. However, all entities that issue convertible instruments are affected by the amendments to the disclosure requirements in the update. For contracts in an entity&amp;#8217;s own equity, the contracts primarily affected are freestanding instruments and embedded features that are accounted for as derivatives under the current guidance because of failure to meet the settlement conditions of the derivatives scope exception related to certain requirements of the settlement assessment. The FASB simplified the settlement assessment by removing the requirements (1)&amp;#160;to consider whether the contract would be settled in registered shares, (2)&amp;#160;to consider whether collateral is required to be posted, and (3)&amp;#160;to assess shareholder rights. Those amendments also affect the assessment of whether an embedded conversion feature in a convertible instrument qualifies for the derivatives scope exception. Additionally, the amendments in the update affect the diluted EPS calculation for instruments that may be settled in cash or shares and for convertible instruments. The Company has not elected early adoption of this ASU &lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;No.&amp;#160;2020-06&lt;/div&gt; at this time. &lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;&lt;div style="display:inline;"&gt;On October 31, 2018, the SEC adopted a final rule (&amp;#8220;New Final Rule&amp;#8221;) that will replace SEC&amp;#160;Industry&amp;#160;Guide&amp;#160;7&amp;#160;with new disclosure requirements that are more closely aligned with current industry and global regulatory practices and standards, including NI &lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;43-101.&lt;/div&gt; Companies must comply with the New Final Rule for the company&amp;#8217;s annual filing for first fiscal year beginning on or after January&amp;#160;1, 2021. Although early voluntary compliance with the New Final Rule is permitted, the Company has not elected early adoption of the New Final Rule at this time. &lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;&lt;div style="display:inline;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;Other recent accounting pronouncements issued by the FASB, the AICPA and the SEC did not or are not believed by management to have a material effect, if any, on the Company&amp;#8217;s financial statements. &lt;/div&gt;&lt;/div&gt;&lt;/div&gt; &lt;div style="letter-spacing: 0px; top: 0px;;display:inline;"&gt; &lt;/div&gt; &lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt; &lt;/div&gt;&lt;table border="0" style="width:100%; table-layout:fixed;" cellspacing="0" cellpadding="0"&gt;&lt;tr&gt;&lt;td&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;</us-gaap:OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock>
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<us-gaap:ConsolidationPolicyTextBlock id="Factid_20820406" contextRef="P01_01_2021To03_31_2021">&lt;div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;Principles of Consolidation &lt;/div&gt;&lt;/div&gt;&lt;/div&gt;&lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"&gt;The consolidated financial statements include the accounts of the Company and its direct and indirect wholly owned subsidiaries, both domestic and international. Equity investments in which we exercise significant influence but do not control and of which we are not the primary beneficiary are accounted for using the equity method. All significant inter-company and intra-company transactions and balances have been eliminated. The results of operations attributable to the &lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;non-controlling&lt;/div&gt; interest are presented within equity and net income and are shown separately from the Company&amp;#8217;s equity and net income attributable to the Company. Some of the existing inter-company balances, which are eliminated upon consolidation, include features allowing the liability to be converted into equity of a subsidiary, which if exercised, could increase the direct or indirect interest of the Company in the &lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;non-wholly&lt;/div&gt; owned subsidiaries. &lt;/div&gt;&lt;table border="0" style="width:100%; table-layout:fixed;" cellspacing="0" cellpadding="0"&gt;&lt;tr&gt;&lt;td&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;</us-gaap:ConsolidationPolicyTextBlock>
<us-gaap:UseOfEstimates id="Factid_20820407" contextRef="P01_01_2021To03_31_2021">&lt;div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;Use of Estimates &lt;/div&gt;&lt;/div&gt;&lt;/div&gt;&lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;Management uses estimates and assumptions in preparing these consolidated financial statements in accordance with U.S. GAAP. Those estimates and assumptions affect the reported amounts of assets and liabilities, the disclosure of contingent assets and liabilities, and the reported revenues and expenses. Actual results could vary from the estimates that were used. &lt;/div&gt;&lt;/div&gt;&lt;table border="0" style="width:100%; table-layout:fixed;" cellspacing="0" cellpadding="0"&gt;&lt;tr&gt;&lt;td&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;</us-gaap:UseOfEstimates>
<omex:ClassOfWarrantOrRightExpirationDate id="Factid_20820408" contextRef="P07_09_2019To07_09_2019_NoteAndWarrantPurchaseAgreementMemberusgaapInvestmentTypeAxis">2021-07-21</omex:ClassOfWarrantOrRightExpirationDate>
<us-gaap:ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights id="Factid_20820409" contextRef="PAsOn07_08_2019_NoteAndWarrantPurchaseAgreementMemberusgaapInvestmentTypeAxis_SecondAmendmentAgreementMemberOMEXAmendmentAxis" unitRef="Unit_shares" decimals="INF">196135</us-gaap:ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights>
<us-gaap:ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 id="Factid_20820410" contextRef="PAsOn07_08_2019_NoteAndWarrantPurchaseAgreementMemberusgaapInvestmentTypeAxis_SecondAmendmentAgreementMemberOMEXAmendmentAxis" unitRef="Unit_USD_per_Share" decimals="INF">5.756</us-gaap:ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1>
<omex:ClassOfWarrantOrRightExpirationDate id="Factid_20820411" contextRef="P07_08_2019To07_08_2019_NoteAndWarrantPurchaseAgreementMemberusgaapInvestmentTypeAxis">2024-07-12</omex:ClassOfWarrantOrRightExpirationDate>
<us-gaap:CashAndCashEquivalentsPolicyTextBlock id="Factid_20820413" contextRef="P01_01_2021To03_31_2021">&lt;div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;Cash and Cash Equivalents &lt;/div&gt;&lt;/div&gt;&lt;/div&gt;&lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;Cash and cash equivalents include cash on hand and cash in banks. We also consider all highly liquid investments with a maturity of three months or less when purchased to be cash equivalents. &lt;/div&gt;&lt;/div&gt;&lt;table border="0" style="width:100%; table-layout:fixed;" cellspacing="0" cellpadding="0"&gt;&lt;tr&gt;&lt;td&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;</us-gaap:CashAndCashEquivalentsPolicyTextBlock>
<us-gaap:ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock id="Factid_20820418" contextRef="P01_01_2021To03_31_2021">&lt;div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;Long-Lived Assets &lt;/div&gt;&lt;/div&gt;&lt;/div&gt;&lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;Our policy is to recognize impairment losses relating to long-lived assets in accordance with the ASC 360 Property, Plant and Equipment. Decisions are based on several factors, including, but not limited to, management&amp;#8217;s plans for future operations, recent operating results and projected cash flows. Impairment losses are included in depreciation at the time of impairment. We did not have any impairments in 2021 or 2020. &lt;/div&gt;&lt;/div&gt;&lt;table border="0" style="width:100%; table-layout:fixed;" cellspacing="0" cellpadding="0"&gt;&lt;tr&gt;&lt;td&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;</us-gaap:ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock>
<us-gaap:PropertyPlantAndEquipmentPolicyTextBlock id="Factid_20820420" contextRef="P01_01_2021To03_31_2021">&lt;div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;Property and Equipment and Depreciation &lt;/div&gt;&lt;/div&gt;&lt;/div&gt;&lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;Property and equipment is stated at historical cost. Depreciation is calculated using the straight-line method at rates based on the assets&amp;#8217; estimated useful lives which are normally between three and thirty years. Leasehold improvements are amortized over their estimated useful lives or lease term, if shorter. Items that may require major overhauls (such as marine equipment) that enhance or extend the useful life of these assets qualify to be capitalized and depreciated over the useful life or remaining life of that asset, whichever was shorter. All other repairs and maintenance were accounted for under the direct-expensing method and are expensed when incurred. &lt;/div&gt;&lt;/div&gt;&lt;table border="0" style="width:100%; table-layout:fixed;" cellspacing="0" cellpadding="0"&gt;&lt;tr&gt;&lt;td&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;</us-gaap:PropertyPlantAndEquipmentPolicyTextBlock>
<us-gaap:IncomeTaxPolicyTextBlock id="Factid_20820424" contextRef="P01_01_2021To03_31_2021">&lt;div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;Income Taxes &lt;/div&gt;&lt;/div&gt;&lt;/div&gt;&lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;Income taxes are accounted for using an asset and liability approach that requires the recognition of deferred tax assets and liabilities for the expected future tax consequences attributable to differences between financial statement carrying amounts of existing assets and liabilities and their respective tax bases. A valuation allowance is provided when it is more likely than not that some portion or the entire deferred tax asset will not be realized. &lt;/div&gt;&lt;/div&gt;&lt;table border="0" style="width:100%; table-layout:fixed;" cellspacing="0" cellpadding="0"&gt;&lt;tr&gt;&lt;td&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;</us-gaap:IncomeTaxPolicyTextBlock>
<us-gaap:ShareBasedCompensationOptionAndIncentivePlansPolicy id="Factid_20820425" contextRef="P01_01_2021To03_31_2021">&lt;div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;Stock-based Compensation &lt;/div&gt;&lt;/div&gt;&lt;/div&gt;&lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;Our stock-based compensation is recorded in accordance with the guidance in the ASC topic for &lt;div style="font-style:italic;display:inline;;font-style:italic;display:inline;"&gt;Stock-Based Compensation&lt;/div&gt; (See NOTE J). &lt;/div&gt;&lt;/div&gt;&lt;table border="0" style="width:100%; table-layout:fixed;" cellspacing="0" cellpadding="0"&gt;&lt;tr&gt;&lt;td&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;</us-gaap:ShareBasedCompensationOptionAndIncentivePlansPolicy>
<us-gaap:FairValueOfFinancialInstrumentsPolicy id="Factid_20820428" contextRef="P01_01_2021To03_31_2021">&lt;div style="font-family: times new roman; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;Fair Value of Financial Instruments &lt;/div&gt;&lt;/div&gt;&lt;/div&gt;&lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;Financial instruments consist of cash, evidence of ownership in an entity, and contracts that both (i)&amp;#160;impose on one entity a contractual obligation to deliver cash or another financial instrument to a second entity, or to exchange other financial instruments on potentially unfavorable terms with the second entity, and (ii)&amp;#160;conveys to that second entity a contractual right (a)&amp;#160;to receive cash or another financial instrument from the first entity, or (b)&amp;#160;to exchange other financial instruments on potentially favorable terms with the first entity. Accordingly, our financial instruments consist of cash and cash equivalents, accounts receivable, accounts payable, accrued liabilities, derivative financial instruments and mortgage and loans payable. We carry cash and cash equivalents, accounts payable and accrued liabilities, and mortgage and loans payable at the approximate fair market value, and, accordingly, these estimates are not necessarily indicative of the amounts that we could realize in a current market exchange. We carry derivative financial instruments at fair value as is required under current accounting standards. &lt;/div&gt;&lt;/div&gt;&lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;Derivative financial instruments consist of financial instruments or other contracts that contain a notional amount and one or more underlying variables (e.g., interest rate, security price or other variable), require no initial net investment and permit net settlement. Derivative financial instruments may be free-standing or embedded in other financial instruments. Further, derivative financial instruments are initially, and subsequently, measured at fair value and recorded as liabilities or, in rare instances, assets. We generally do not use derivative financial instruments to hedge exposures to cash-flow, market or foreign-currency risks. However, we have entered into certain other financial instruments and contracts with features that are either (i)&amp;#160;not afforded equity classification, (ii)&amp;#160;embody risks not clearly and closely related to host contracts, or (iii)&amp;#160;may be &lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;net-cash&lt;/div&gt; settled by the counterparty. As required by ASC 815 &amp;#8211; &lt;div style="font-style:italic;display:inline;;font-style:italic;display:inline;"&gt;Derivatives and Hedging&lt;/div&gt;, these instruments are required to be carried as derivative liabilities, at fair value, in our financial statements with changes in fair value reflected in our income. &lt;/div&gt;&lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;We adopted ASC Topic 820 for certain financial instruments measured as fair value on a recurring basis. ASC Topic 820 defines fair value, established a framework for measuring fair value in accordance with accounting principles generally accepted in the United States and expands disclosures about fair value measurements. Fair value is defined as the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date. ASC Topic 820 established a three-tier fair value hierarchy which prioritizes the inputs used in measuring fair value. &lt;/div&gt;&lt;/div&gt;&lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;The hierarchy gives the highest priority to unadjusted quoted prices in active markets for identical assets or liabilities (level 1 measurements) and the lowest priority to unobservable inputs (level 3 measurements). These tiers include: &lt;/div&gt;&lt;/div&gt;&lt;div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-style:italic;display:inline;;font-style:italic;display:inline;"&gt;Fair Value Hierarchy &lt;/div&gt;&lt;/div&gt;&lt;/div&gt;&lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;The three levels of inputs that may be used to measure fair value are as follows: &lt;/div&gt;&lt;/div&gt;&lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-style:italic;display:inline;;font-style:italic;display:inline;"&gt;Level&lt;/div&gt;&lt;div style="font-style:italic;display:inline;;font-style:italic;display:inline;"&gt;&amp;#160;1.&lt;/div&gt;&lt;div style="font-style:italic;display:inline;;font-style:italic;display:inline;"&gt;&amp;#160;&lt;/div&gt;Quoted prices in active markets for identical assets or liabilities. &lt;/div&gt;&lt;/div&gt;&lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;&lt;div style="font-style:italic;display:inline;;font-style:italic;display:inline;"&gt;Level&lt;/div&gt;&lt;div style="font-style:italic;display:inline;;font-style:italic;display:inline;"&gt;&amp;#160;2.&lt;/div&gt;&lt;div style="font-style:italic;display:inline;;font-style:italic;display:inline;"&gt;&amp;#160;&lt;/div&gt;Observable inputs other than Level&amp;#160;1 prices, such as quoted prices for similar assets or liabilities, quoted prices in markets with insufficient volume or infrequent transactions (less active markets), or model-derived valuations in which all significant inputs are observable or can be derived principally from or corroborated with observable market data for substantially the full term of the assets or liabilities. Level&amp;#160;2 inputs also include &lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;non-binding&lt;/div&gt; market consensus prices that can be corroborated with observable market data, as well as quoted prices that were adjusted for security-specific restrictions. &lt;/div&gt;&lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;&lt;div style="font-style:italic;display:inline;;font-style:italic;display:inline;"&gt;Level&lt;/div&gt;&lt;div style="font-style:italic;display:inline;;font-style:italic;display:inline;"&gt;&amp;#160;3.&lt;/div&gt;&lt;div style="font-style:italic;display:inline;;font-style:italic;display:inline;"&gt;&amp;#160;&lt;/div&gt;Unobservable inputs to the valuation methodology are significant to the measurement of the fair value of assets or liabilities. Level&amp;#160;3 inputs also include &lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;non-binding&lt;/div&gt; market consensus prices or &lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;non-binding&lt;/div&gt; broker quotes that we were unable to corroborate with observable market data. &lt;/div&gt;&lt;table border="0" style="width:100%; table-layout:fixed;" cellspacing="0" cellpadding="0"&gt;&lt;tr&gt;&lt;td&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;</us-gaap:FairValueOfFinancialInstrumentsPolicy>
<us-gaap:SubsequentEventsPolicyPolicyTextBlock id="Factid_20820429" contextRef="P01_01_2021To03_31_2021">&lt;div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;Subsequent Events &lt;/div&gt;&lt;/div&gt;&lt;/div&gt;&lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"&gt;We have evaluated subsequent events for recognition or disclosure through the date this Form &lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;10-Q&lt;/div&gt; is filed with the Securities and Exchange Commission. &lt;/div&gt;&lt;table border="0" style="width:100%; table-layout:fixed;" cellspacing="0" cellpadding="0"&gt;&lt;tr&gt;&lt;td&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;</us-gaap:SubsequentEventsPolicyPolicyTextBlock>
<us-gaap:StockIssuedDuringPeriodSharesNewIssues id="Factid_20820483" contextRef="P01_01_2021To03_31_2021_MaximumMembersrtRangeAxis_PoplarFallsLlcMemberOMEXFunderAxis" unitRef="Unit_shares" decimals="0">551378</us-gaap:StockIssuedDuringPeriodSharesNewIssues>
<us-gaap:ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 id="Factid_20820484" contextRef="PAsOn03_31_2021_PoplarFallsLlcMemberOMEXFunderAxis" unitRef="Unit_USD_per_Share" decimals="2">3.99</us-gaap:ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1>
<us-gaap:ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock id="Factid_20820487" contextRef="P01_01_2021To03_31_2021_InMoneyPotentialCommonSharesMemberusgaapAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis">&lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;The potential common shares in the following tables represent potential common shares calculated using the &lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;if-converted&lt;/div&gt; method from outstanding options, stock awards and warrants that were excluded from the calculation of diluted EPS: &lt;/div&gt;&lt;div style="font-size: 12pt; margin-top: 0pt; margin-bottom: 0pt;"&gt;&lt;div style="font-size: 12pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&amp;#160;&lt;/div&gt;&lt;/div&gt;&lt;table border="0" cellpadding="0" cellspacing="0" style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; border-collapse: collapse; border-spacing: 0px;;margin : 0px auto;;text-align:left;;width:76%;"&gt;&lt;tr style="font-size: 0px;"&gt;&lt;td style="width:70%;"&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;;width:10%;"&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;;width:10%;"&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 8pt; page-break-inside: avoid;"&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td colspan="6" style="text-align:center;;vertical-align:bottom;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;Three Months Ended&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 8pt; page-break-inside: avoid;"&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td colspan="2" style="border-bottom-color: rgb(0, 0, 0); border-bottom-width: 1pt; border-bottom-style: solid;;text-align:center;;vertical-align:bottom;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;March&amp;#160;31,&amp;#160;2021&lt;/div&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td colspan="2" style="border-bottom-color: rgb(0, 0, 0); border-bottom-width: 1pt; border-bottom-style: solid;;text-align:center;;vertical-align:bottom;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;March&amp;#160;31,&amp;#160;2020&lt;/div&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px; background-color: rgb(204, 238, 255);;display:inline;"&gt;Average market price during the period&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;7.30&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;3.81&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-size: 1pt;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;;height:8;"&gt;&amp;#160;&lt;/td&gt;&lt;td colspan="4" style="font-family: &amp;quot;times new roman&amp;quot;;;height:8;"&gt;&amp;#160;&lt;/td&gt;&lt;td colspan="4" style="font-family: &amp;quot;times new roman&amp;quot;;;height:8;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;In the money potential common shares from options excluded&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;22,493&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;22,493&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px; background-color: rgb(204, 238, 255);;display:inline;"&gt;In the money potential common shares from warrants excluded&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;3,481,314&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;120,000&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;table border="0" style="width:100%; table-layout:fixed;" cellspacing="0" cellpadding="0"&gt;&lt;tr&gt;&lt;td&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;</us-gaap:ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock>
<us-gaap:ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock id="Factid_20820488" contextRef="P01_01_2021To03_31_2021_OutOfMoneyPotentialCommonSharesMemberusgaapAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis">&lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;Potential common shares from out of the money options and warrants were also excluded from the computation of diluted EPS because calculation of the associated potential common shares has an anti-dilutive effect on EPS. The following table lists options and warrants that were excluded from diluted EPS: &lt;/div&gt;&lt;/div&gt;&lt;div style="font-size: 1px; margin-top: 12px; margin-bottom: 0px;"&gt;&lt;div style="font-size: 1px; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&amp;#160;&lt;/div&gt;&lt;/div&gt;&lt;table border="0" cellpadding="0" cellspacing="0" style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; border-collapse: collapse; border-spacing: 0px;;margin : 0px auto;;text-align:left;;width:76%;"&gt;&lt;tr style="font-size: 0px;"&gt;&lt;td style="width:70%;"&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;;width:6%;"&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;;width:6%;"&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 8pt; page-break-inside: avoid;"&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td colspan="6" style="text-align:center;;vertical-align:bottom;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;Three Months Ended&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 8pt; page-break-inside: avoid;"&gt;&lt;td style="white-space: nowrap; padding-bottom: 1pt;;text-align:center;;vertical-align:bottom;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 8pt; margin-top: 0pt; margin-bottom: 0pt; border-bottom: 1pt solid rgb(0, 0, 0); display: table-cell; line-height: normal;;text-align:center;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 8pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;Per share exercise price&lt;/div&gt;&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td colspan="2" style="border-bottom-color: rgb(0, 0, 0); border-bottom-width: 1pt; border-bottom-style: solid;;text-align:center;;vertical-align:bottom;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;March&amp;#160;31,&amp;#160;2020&lt;/div&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td colspan="2" style="border-bottom-color: rgb(0, 0, 0); border-bottom-width: 1pt; border-bottom-style: solid;;text-align:center;;vertical-align:bottom;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;March&amp;#160;31,&amp;#160;2020&lt;/div&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td colspan="4" style="background-color: rgb(204, 238, 255);;vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px; background-color: rgb(204, 238, 255);;display:inline;"&gt;Out of the money options excluded:&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:top;"&gt;&lt;div style="text-indent: 0em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0em; line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="text-align:center;;vertical-align:bottom;"&gt;$12.48&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;136,833&lt;/td&gt;&lt;td style="white-space: nowrap; font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;136,833&lt;/td&gt;&lt;td style="white-space: nowrap; font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="background-color: rgb(204, 238, 255);;text-align:center;;vertical-align:bottom;"&gt;$12.84&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;4,167&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;4,167&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="text-align:center;;vertical-align:bottom;"&gt;$26.40&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;75,158&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;75,158&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td colspan="4" style="background-color: rgb(204, 238, 255);;vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px; background-color: rgb(204, 238, 255);;display:inline;"&gt;&lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px; background-color: rgb(204, 238, 255);;display:inline;"&gt;&lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px; background-color: rgb(204, 238, 255);;display:inline;"&gt;Out-of-the-money&lt;/div&gt;&lt;/div&gt;&lt;/div&gt; warrants excluded:&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:top;"&gt;&lt;div style="text-indent: 0em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0em; line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="text-align:center;;vertical-align:bottom;"&gt;$3.99&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;&amp;#8212;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;426,065&lt;/td&gt;&lt;td style="white-space: nowrap; font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="background-color: rgb(204, 238, 255);;text-align:center;;vertical-align:bottom;"&gt;$5.76&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;&amp;#8212;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;196,135&lt;/td&gt;&lt;td style="white-space: nowrap; font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="text-align:center;;vertical-align:bottom;"&gt;$7.16&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;&amp;#8212;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;700,000&lt;/td&gt;&lt;td style="white-space: nowrap; font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-size: 1px;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0pt; margin-bottom: 0pt; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0pt; margin-bottom: 0pt; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0pt; margin-bottom: 0pt; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0pt; margin-bottom: 0pt; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px; background-color: rgb(204, 238, 255);;display:inline;"&gt;Total excluded&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;216,158&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;1,538,358&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-size: 1px;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0pt; margin-bottom: 0pt; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0pt; margin-bottom: 0pt; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0pt; margin-bottom: 0pt; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0pt; margin-bottom: 0pt; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;table border="0" style="width:100%; table-layout:fixed;" cellspacing="0" cellpadding="0"&gt;&lt;tr&gt;&lt;td&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;</us-gaap:ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock>
<us-gaap:ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock id="Factid_20820492" contextRef="P01_01_2021To03_31_2021">&lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;The following is a reconciliation of the numerators and denominators used in computing basic and diluted net income per share: &lt;/div&gt;&lt;/div&gt;&lt;div style="font-size: 12pt; margin-top: 0pt; margin-bottom: 0pt;"&gt;&lt;div style="font-size: 12pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&amp;#160;&lt;/div&gt;&lt;/div&gt;&lt;table border="0" cellpadding="0" cellspacing="0" style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; border-collapse: collapse; border-spacing: 0px;;margin : 0px auto;;text-align:left;;width:76%;"&gt;&lt;tr style="font-size: 0px;"&gt;&lt;td style="width:71%;"&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;;width:5%;"&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;;width:4%;"&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 8pt; page-break-inside: avoid;"&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td colspan="6" style="text-align:center;;vertical-align:bottom;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;Three Months Ended&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 8pt; page-break-inside: avoid;"&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td colspan="2" style="border-bottom-color: rgb(0, 0, 0); border-bottom-width: 1pt; border-bottom-style: solid;;text-align:center;;vertical-align:bottom;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;March&amp;#160;31,&amp;#160;2021&lt;/div&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td colspan="2" style="border-bottom-color: rgb(0, 0, 0); border-bottom-width: 1pt; border-bottom-style: solid;;text-align:center;;vertical-align:bottom;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;March&amp;#160;31,&amp;#160;2020&lt;/div&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px; background-color: rgb(204, 238, 255);;display:inline;"&gt;Net income (loss)&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;(3,720,218&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;)&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;(2,897,976&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;)&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-size: 1px;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0pt; margin-bottom: 0pt; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0pt; margin-bottom: 0pt; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0pt; margin-bottom: 0pt; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0pt; margin-bottom: 0pt; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;Numerator, basic and diluted net income (loss) available to stockholders&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;(3,720,218&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;)&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;(2,897,976&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;)&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-size: 1px;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0pt; margin-bottom: 0pt; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0pt; margin-bottom: 0pt; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0pt; margin-bottom: 0pt; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0pt; margin-bottom: 0pt; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px; background-color: rgb(204, 238, 255);;display:inline;"&gt;Denominator:&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;Shares used in computation &amp;#8211; basic:&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px; background-color: rgb(204, 238, 255);;display:inline;"&gt;Weighted average common shares outstanding&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;12,610,924&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;9,517,664&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-size: 1px;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0pt; margin-bottom: 0pt; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0pt; margin-bottom: 0pt; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0pt; margin-bottom: 0pt; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0pt; margin-bottom: 0pt; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;Common shares outstanding for basic&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;12,610,924&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;9,517,664&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-size: 1px;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0pt; margin-bottom: 0pt; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0pt; margin-bottom: 0pt; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0pt; margin-bottom: 0pt; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0pt; margin-bottom: 0pt; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px; background-color: rgb(204, 238, 255);;display:inline;"&gt;Shares used in computation &amp;#8211; diluted:&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;Common shares outstanding for basic&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;12,610,924&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;9,517,664&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-size: 1px;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0pt; margin-bottom: 0pt; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0pt; margin-bottom: 0pt; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0pt; margin-bottom: 0pt; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0pt; margin-bottom: 0pt; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px; background-color: rgb(204, 238, 255);;display:inline;"&gt;Shares used in computing diluted net income per share&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;12,610,924&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;9,517,664&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-size: 1px;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0pt; margin-bottom: 0pt; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0pt; margin-bottom: 0pt; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0pt; margin-bottom: 0pt; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0pt; margin-bottom: 0pt; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;Net (loss) per share &amp;#8211; basic&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;(0.29&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;)&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;(0.30&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;)&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px; background-color: rgb(204, 238, 255);;display:inline;"&gt;Net (loss) per share &amp;#8211; diluted&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;(0.29&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;)&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;(0.30&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;)&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;table border="0" style="width:100%; table-layout:fixed;" cellspacing="0" cellpadding="0"&gt;&lt;tr&gt;&lt;td&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;</us-gaap:ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock>
<omex:EligibleEmployeeThresholdPercentage id="Factid_20820494" contextRef="P01_01_2021To03_31_2021_CommonStockMemberusgaapStatementEquityComponentsAxis_IncentiveStockOptionsMemberusgaapAwardTypeAxis_MinimumMembersrtRangeAxis_TwoThousandFifteenStockIncentivePlanMemberusgaapPlanNameAxis" unitRef="Unit_pure" decimals="0">0</omex:EligibleEmployeeThresholdPercentage>
<omex:ShareBasedCompensationArrangementByShareBasedPaymentAwardExercisePriceCondition id="Factid_20820499" contextRef="P01_01_2021To03_31_2021_CommonStockMemberusgaapStatementEquityComponentsAxis_IncentiveStockOptionsMemberusgaapAwardTypeAxis_TwoThousandFifteenStockIncentivePlanMemberusgaapPlanNameAxis">With respect to each grant of an ISO to a participant who is not a ten percent stockholder, the exercise price shall not be less than the fair market value of a share on the date the ISO is granted. With respect to each grant of an ISO to a participant who is a ten percent stockholder, the exercise price shall not be less than one hundred ten percent (110%) of the fair market value of a share on the date the ISO is granted.</omex:ShareBasedCompensationArrangementByShareBasedPaymentAwardExercisePriceCondition>
<omex:LoansPayableTextBlock id="Factid_20820508" contextRef="P01_01_2021To03_31_2021">&lt;div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;NOTE I &amp;#8211;LOANS PAYABLE &lt;/div&gt;&lt;/div&gt;&lt;/div&gt;  &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;The Company&amp;#8217;s consolidated notes payable consisted of the following carrying values at: &lt;/div&gt;&lt;/div&gt; &lt;div style="font-size: 12pt; margin-top: 0pt; margin-bottom: 0pt;"&gt;&lt;div style="font-size: 12pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&amp;#160;&lt;/div&gt;&lt;/div&gt; &lt;table border="0" cellpadding="0" cellspacing="0" style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; border-collapse: collapse; border-spacing: 0px;;margin : 0px auto;;text-align:left;;width:76%;"&gt;&lt;tr style="font-size: 0px;"&gt;&lt;td style="width:68%;"&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;;width:5%;"&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;;width:5%;"&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 8pt; page-break-inside: avoid;"&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td colspan="2" style="border-bottom-color: rgb(0, 0, 0); border-bottom-width: 1pt; border-bottom-style: solid;;text-align:center;;vertical-align:bottom;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;March&amp;#160;31,&amp;#160;2021&lt;/div&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td colspan="2" style="border-bottom-color: rgb(0, 0, 0); border-bottom-width: 1pt; border-bottom-style: solid;;text-align:center;;vertical-align:bottom;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;December&amp;#160;31,&amp;#160;2020&lt;/div&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px; background-color: rgb(204, 238, 255);;display:inline;"&gt;Note 1 &amp;#8211; Monaco 2014&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;2,800,000&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;2,800,000&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;Note 2 &amp;#8211; Monaco 2016&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;1,175,000&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;1,175,000&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px; background-color: rgb(204, 238, 255);;display:inline;"&gt;Note 3 &amp;#8211; MINOSA 1&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;14,750,001&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;14,750,001&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;Note 4 &amp;#8211; Epsilon&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;&amp;#8212; &lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;1,000,000&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px; background-color: rgb(204, 238, 255);;display:inline;"&gt;Note 5 &amp;#8211; SMOM&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;3,500,000&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;3,500,000&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;Note 6 &amp;#8211; MINOSA 2&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;5,050,000&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;5,050,000&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px; background-color: rgb(204, 238, 255);;display:inline;"&gt;Note 7 &amp;#8211; Monaco 2018&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;1,099,366&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;1,099,366 &lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;Note 8 &amp;#8211; Promissory note&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;1,150,180&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;1,245,863&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px; background-color: rgb(204, 238, 255);;display:inline;"&gt;Note 9 &amp;#8211; Litigation financing&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;11,625,729&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;10,968,729&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;Note 10 &amp;#8211; Payroll Protection Program&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;370,400&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;370,400&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px; background-color: rgb(204, 238, 255);;display:inline;"&gt;Note 11 &amp;#8211; Emergency Injury Disaster Loan&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;149,900&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;149,900&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;Note 12 &amp;#8211; Vendor note payable&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;484,009&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;484,009&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-size: 1px;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255);;vertical-align:top;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;42,154,585&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;42,593,268&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-size: 1px;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt;  &lt;div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"&gt;&lt;div style="letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;Note 1 &amp;#8211; Monaco 2014 &lt;/div&gt;&lt;/div&gt;&lt;/div&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt; &lt;/div&gt;&lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;On August&amp;#160;14, 2014, we entered into a Loan Agreement with Monaco Financial, LLC (&amp;#8220;Monaco&amp;#8221;), a strategic marketing partner, pursuant to which Monaco agreed to lend us up to $10.0&amp;#160;million. The loan was issued in three tranches: (i) $5.0&amp;#160;million (the &amp;#8220;First Tranche&amp;#8221;) was advanced upon execution of the Loan Agreement; (ii) $2.5&amp;#160;million (the &amp;#8220;Second Tranche&amp;#8221;) was advanced on October&amp;#160;1, 2014; and (iii) $2.5&amp;#160;million (the &amp;#8220;Third Tranche&amp;#8221;) was advanced on December&amp;#160;1, 2014. The Notes bear interest at a rate equal to 11% per annum. The Notes also contain an option whereby Monaco can purchase shares of Oceanica held by Odyssey (the &amp;#8220;Share Purchase Option&amp;#8221;) at a purchase price that is the lower of (a) $3.15 per share or (b)&amp;#160;the price per share of a contemplated equity offering of Oceanica which totals $1.0&amp;#160;million or more in the aggregate. The share purchase option was not clearly and closely related to the host debt agreement and required bifurcation. &lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;On December&amp;#160;10, 2015, these promissory notes were amended as part of the asset acquisition agreement with Monaco (See NOTE R in our Form &lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;10-K&lt;/div&gt; filed with the Securities and Exchange Commission for the period ended December&amp;#160;31, 2017 for further information). The amendment included the following material changes: (i) $2.2&amp;#160;million of the indebtedness represented by the Notes was extinguished, (ii) $5.0&amp;#160;million of the indebtedness represented by the Notes ceased to bear interest and is only repayable under certain circumstances from certain sources of cash, and (iii)&amp;#160;the maturity date on the Notes was extended to December&amp;#160;31, 2017. During March 2016, the maturity date was further extended to April&amp;#160;1, 2018 and the exercise price of the Share Purchase Option was &lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;re-priced&lt;/div&gt; to $1.00 per share. This indebtedness has matured, but Monaco has not demanded payment because we are in negotiations with Monaco. As of the maturity date, the interest rate was adjusted to the default rate of 18% per annum. See &amp;#8220;Loan Modification (March 2016)&amp;#8221; below. For the three months ended March&amp;#160;31, 2021 and 2020 interest expense in the amount of $141,315 and $142,885, respectively, was recorded. The outstanding interest-bearing balance of these Notes was $2.8&amp;#160;million at March&amp;#160;31, 2021 and December&amp;#160;31, 2020, respectively. &lt;/div&gt; &lt;div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;Note 2 &amp;#8211; Monaco 2016 &lt;/div&gt;&lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"&gt;In March 2016, Monaco agreed to lend us an additional $1,825,000. These loan proceeds were received in full during the first quarter of 2016. The indebtedness bears interest at 10.0% percent per year. All principal and any unpaid interest were due on April&amp;#160;15, 2018. This indebtedness has matured, but Monaco has not demanded payment because we are in negotiations with Monaco. As of the maturity date, the interest rate was adjusted to the default rate of 18% per annum. The current outstanding balance as of March&amp;#160;31, 2021 and December&amp;#160;31, 2020 was $1,175,000. The indebtedness is convertible at any time until the maturity date into shares of Oceanica held by us at a conversion price of $1.00 per share. Pursuant to this loan and as security for the indebtedness, Monaco was granted a second priority security interest in &lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;(a)&amp;#160;one-half&lt;/div&gt; of the indebtedness evidenced by the Amended and Restated Consolidated Note and Guaranty, dated September&amp;#160;25, 2015 (the &amp;#8220;ExO Note&amp;#8221;), in the original principal amount of $18.0&amp;#160;million, issued by Exploraciones Oceanicas S. de R.L. de C.V. to Oceanica Marine Operations, S.R.L. (&amp;#8220;OMO&amp;#8221;), and all rights associated therewith (the &amp;#8220;OMO Collateral&amp;#8221;); and (b)&amp;#160;all technology and assets in our possession or control used for offshore exploration, including an ROV system, &lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;deep-tow&lt;/div&gt; search systems, winches, multi-beam sonar, and other equipment. The carrying net book value of this equipment is less than $0.1&amp;#160;million. We unconditionally and irrevocably guaranteed all obligations of ours and our subsidiaries to Monaco under this loan agreement. As further consideration for the loan, Monaco was granted an option (the &amp;#8220;Option&amp;#8221;) to purchase the OMO Collateral. The Option is exercisable at any time before the earlier of (a)&amp;#160;the date that is 30 days after the loan is paid in full or (b)&amp;#160;the maturity date of the ExO Note, for aggregate consideration of $9.3&amp;#160;million, $1.8&amp;#160;million of which would be paid at the closing of the exercise of the Option, with the balance paid in ten monthly installments of $750,000. During 2017, we sold a marine vessel to a related party of Monaco for $650,000.&amp;#160;The consideration for this vessel was applied against our loan balance to Monaco in the amount of $650,000. &lt;/div&gt; &lt;div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;&lt;div style="font-style:italic;display:inline;;font-style:italic;display:inline;"&gt;Accounting considerations &lt;/div&gt;&lt;/div&gt;&lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;ASC 815 generally requires the analysis of embedded terms and features that have characteristics of derivatives to be evaluated for bifurcation and separate accounting in instances where their economic risks and characteristics are not clearly and closely related to the risks of the host contract. The option to purchase the OMO Collateral is an embedded feature that is not clearly and closely related to the host debt agreement and thus requires bifurcation. Because the option is out of the money, it has no material fair value as of the inception date or currently. The debt agreement did not contain any additional embedded terms or features that have characteristics of derivatives. However, we were required to consider whether the hybrid contract embodied a beneficial conversion feature (&amp;#8220;BCF&amp;#8221;). The calculation of the effective conversion amount did result in a BCF because the effective conversion price was less than the market price on the date of issuance, therefore a BCF of $456,250 was recorded. This BCF has been fully amortized as of March&amp;#160;31, 2018. For the three months ended March&amp;#160;31, 2021 and 2020 interest expense in the amount of $65,988 and $66,721, respectively, was recorded. &lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;&lt;div style="font-style:italic;display:inline;;font-style:italic;display:inline;"&gt;Loan modification (December 2015) &lt;/div&gt;&lt;/div&gt;&lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;In connection with the Acquisition Agreement entered into with Monaco on December&amp;#160;10, 2015, Monaco agreed to modify certain terms of the loans as partial consideration for the purchase of assets. For the First Tranche ($5,000,000 advanced on August&amp;#160;14, 2014), Monaco agreed to cease interest as of December&amp;#160;10, 2015 and reduce the loan balance by (i)&amp;#160;the cash or other value received from the SS &lt;div style="font-style:italic;display:inline;;font-style:italic;display:inline;"&gt;Central America&lt;/div&gt; shipwreck project (&amp;#8220;SSCA&amp;#8221;) or (ii)&amp;#160;if the proceeds received from the SSCA project were insufficient to pay off the loan balance by December&amp;#160;31, 2017, then Monaco could seek repayment of the remaining outstanding balance on the loan by withholding Odyssey&amp;#8217;s 21.25% &amp;#8220;additional consideration&amp;#8221; in new shipwreck projects performed for Monaco in the future. For the Second Tranche ($2,500,000 advanced on October&amp;#160;1, 2014), Monaco agreed to reduce the principal amount by $2,200,000 leaving a new principal balance of $300,000 and extension of maturity to December&amp;#160;31, 2017. For the Third Tranche ($2,500,000 advanced on December&amp;#160;1, 2014), Monaco agreed to the extension of maturity to December&amp;#160;31, 2017. &lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;On December&amp;#160;10, 2015, the Monaco call option related to the Oceanica shares held by us was extended until December&amp;#160;31, 2017. &lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;&lt;div style="font-style:italic;display:inline;;font-style:italic;display:inline;"&gt;Loan modification (March 2016) &lt;/div&gt;&lt;/div&gt;&lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"&gt;In connection with the $1.825&amp;#160;million loan agreement with Monaco in March 2016, the existing $2.8&amp;#160;million notes were modified. Of the combined total indebtedness of Monaco&amp;#8217;s Note 1 and Note 2, Monaco can convert this debt into 3,174,603 shares of Oceanica at a fixed conversion price of $1.00 per share, or $3,174,603. Any remaining debt in excess of $3,174,603 is not convertible. Additionally, the modification eliminated Monaco&amp;#8217;s option (&amp;#8220;share purchase option&amp;#8221;) to purchase 3,174,603 shares of Oceanica stock at a price of $3.15 per share. The modification was analyzed under ASC 480 &lt;div style="font-style:italic;display:inline;;font-style:italic;display:inline;"&gt;Distinguishing Liabilities from Equity&lt;/div&gt; (&amp;#8220;ASC 480&amp;#8221;) to determine if extinguishment accounting was applicable. Under ASC &lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;470-50-40-10&lt;/div&gt;&lt;/div&gt;&lt;/div&gt; a modification or an exchange that adds or eliminates a substantive conversion option as of the conversion date is always considered substantial and requires extinguishment accounting. Since this modification added a substantive conversion option, extinguishment accounting is applicable. In accordance with the extinguishment accounting guidance (a)&amp;#160;the share purchase option was first marked to its &lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;pre-modification&lt;/div&gt; fair value, (b)&amp;#160;the new debt was recorded at fair value and (c)&amp;#160;the old debt and share purchased option was removed. The difference between the fair value of the new debt and the sum of the &lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;pre-modification&lt;/div&gt; carrying amount of the old debt and the share purchase option&amp;#8217;s fair value represented a gain on extinguishment. ASC &lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;470-50-40-2&lt;/div&gt;&lt;/div&gt;&lt;/div&gt; indicates that debt restructuring with a related party may be in essence a capital transaction and as a result the gain of $1.2&amp;#160;million was recognized in additional paid in capital upon extinguishment. &lt;/div&gt; &lt;div style="font-size: 1px; margin-top: 18px; margin-bottom: 0px;"&gt;&lt;div style="font-size: 1px; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&amp;#160;&lt;/div&gt;&lt;/div&gt; &lt;div style="font-family: times new roman; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;Note 3 &amp;#8211; MINOSA &lt;/div&gt;&lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;On March&amp;#160;11, 2015, in connection with a Stock Purchase Agreement, Minera del Norte, S.A. de C.V. (&amp;#8220;MINOSA&amp;#8221;) agreed to lend us up to $14.75&amp;#160;million. The entire $14.75&amp;#160;million was loaned in five advances from March&amp;#160;11 through June&amp;#160;30, 2015. The outstanding indebtedness bears interest at 8.0% percent per annum. The Promissory Note was amended on April&amp;#160;10, 2015 and on October&amp;#160;1, 2015 so that, unless otherwise converted as provided in the Note, the adjusted principal balance shall be due and payable in full upon written demand by MINOSA; provided that MINOSA agreed that it shall not demand payment of the adjusted principal balance earlier than the first to occur of: (i)&amp;#160;30 days after the date on which (x)&amp;#160;SEMARNAT makes a determination with respect to the current application for the Manifestacion de Impacto Ambiental relating to phosphate deposit project, which determination is other than an approval or (y)&amp;#160;Odyssey Marine Enterprises or any of its affiliates withdraws such application without MINOSA&amp;#8217;s prior written consent; (ii)&amp;#160;termination by Odyssey of the Stock Purchase Agreement, dated March&amp;#160;11, 2015 (the &amp;#8220;Purchase Agreement&amp;#8221;), among Odyssey, MINOSA, and Penelope Mining, LLC (the &amp;#8220;Investor&amp;#8221;); (iii)&amp;#160;the occurrence of an event of default under the Promissory Note; (iv)&amp;#160;December 31, 2015; or (v)&amp;#160;if and only if the Investor shall have terminated the Purchase Agreement pursuant to Section&amp;#160;8.1(d)(iii) thereof, March&amp;#160;30, 2016. This indebtedness is classified as short-term debt. In connection with the loans, we granted MINOSA an option to purchase our 54% interest in Oceanica for $40.0&amp;#160;million (the &amp;#8220;Oceanica Call Option&amp;#8221;). On March&amp;#160;11, 2016, the Oceanica Call has expired. Completion of the transaction requires amending the Company&amp;#8217;s articles of incorporation to (a)&amp;#160;effect a reverse stock split, which was implemented on February&amp;#160;19, 2016, (b)&amp;#160;adjusting the Company&amp;#8217;s authorized capitalization, which was also implemented on February&amp;#160;19, 2016, and (c)&amp;#160;establishing a classified board of directors (collectively, the &amp;#8220;Amendments&amp;#8221;). The Amendments have been or will be set forth in certificates of amendment to the Company&amp;#8217;s articles of incorporation filed or to be filed with the Nevada Secretary of State. As collateral for the loan, we granted MINOSA a security interest in the Company&amp;#8217;s 54% interest in Oceanica. The outstanding principal balance of this debt was $14.75&amp;#160;million at March&amp;#160;31, 2021 and December&amp;#160;31, 2020, respectively. The maturity date of this indebtedness has been amended and matured on March&amp;#160;18, 2017. Per Note 6 MINOSA 2 below, the Minosa Purchase Agreement amended the due date of this note to a due date which may be no earlier than December&amp;#160;31, 2017, that is at least 60 days subsequent to written notice that Minosa intends to demand payment. See Note 6 &amp;#8211; MINOSA 2 for further qualifications. During December 2017, MINOSA transferred this debt to its parent company. For the three months ended March&amp;#160;31, 2021 and, 2020, interest expense in the amount of $290,959 and $294,191, respectively, was recorded. &lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;&lt;div style="font-style:italic;display:inline;;font-style:italic;display:inline;"&gt;Accounting considerations &lt;/div&gt;&lt;/div&gt;&lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;We have accounted for this transaction as a financing transaction, wherein the net proceeds received were allocated to the financial instruments issued. Prior to making the accounting allocation, we evaluated for proper classification under ASC 480 &lt;div style="font-style:italic;display:inline;;font-style:italic;display:inline;"&gt;Distinguishing Liabilities from Equity&lt;/div&gt; (&amp;#8220;ASC 480&amp;#8221;), ASC 815 &lt;div style="font-style:italic;display:inline;;font-style:italic;display:inline;"&gt;Derivatives and Hedging&lt;/div&gt; (&amp;#8220;ASC 815&amp;#8221;) and ASC 320 &lt;div style="font-style:italic;display:inline;;font-style:italic;display:inline;"&gt;Property, Plant and Equipment&lt;/div&gt; (&amp;#8220;ASC 320&amp;#8221;). &lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;This debt agreement did not contain any embedded terms or features that have characteristics of derivatives. The Oceanica Call Option is considered a freestanding financial instrument because it is both (i)&amp;#160;legally detachable and (ii)&amp;#160;separately exercisable. The Oceanica Call Option did not fall under the guidance of ASC 480. Additionally, it did not meet the definition of a derivative under ASC 815 because the option has a fixed value of $40.0&amp;#160;million and does not contain an underlying variable which is indicative of a derivative. This instrument is considered an option contract for a sale of an asset. The guidance applied in this case is ASC &lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;360-20,&lt;/div&gt; which provides that in situations when a party lends funds to a seller and is given an option to buy the property at a certain date in the future, the loan shall be recorded at its present value using market interest rates and any excess of the proceeds over that amount credited to an option deposit account. If the option is exercised, the deposit shall be included as part of the sales proceeds; if not exercised, it shall be credited to income in the period in which the option lapses. &lt;/div&gt;  &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;Based on the previous conclusions, we allocated the cash proceeds first to the debt at its present value using a market rate of 15%, which is management&amp;#8217;s estimate of a market rate loan for the Company, with the residual allocated to the Oceanica Call Option, as follows: &lt;/div&gt;&lt;/div&gt; &lt;div style="margin-bottom: 0px; margin-top: 0px;"&gt;&amp;#160;&lt;/div&gt; &lt;div style="font-size: 12pt; margin-top: 0pt; margin-bottom: 0pt;"&gt;&lt;div style="font-size: 12pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&amp;#160;&lt;/div&gt;&lt;/div&gt; &lt;table border="0" cellpadding="0" cellspacing="0" style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; border-collapse: collapse; border-spacing: 0px;;margin : 0px auto;;text-align:left;;width:100%;"&gt;&lt;tr style="font-size: 0px;"&gt;&lt;td style="width:44%;"&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;;width:2%;"&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;;width:2%;"&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;;width:2%;"&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;;width:2%;"&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;;width:2%;"&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;;width:2%;"&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 8pt; page-break-inside: avoid;"&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td colspan="2" style="border-bottom-color: rgb(0, 0, 0); border-bottom-width: 1pt; border-bottom-style: solid;;text-align:center;;vertical-align:bottom;"&gt;Tranche 1&lt;/td&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td colspan="2" style="border-bottom-color: rgb(0, 0, 0); border-bottom-width: 1pt; border-bottom-style: solid;;text-align:center;;vertical-align:bottom;"&gt;Tranche 2&lt;/td&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td colspan="2" style="border-bottom-color: rgb(0, 0, 0); border-bottom-width: 1pt; border-bottom-style: solid;;text-align:center;;vertical-align:bottom;"&gt;Tranche 3&lt;/td&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td colspan="2" style="border-bottom-color: rgb(0, 0, 0); border-bottom-width: 1pt; border-bottom-style: solid;;text-align:center;;vertical-align:bottom;"&gt;Tranche 4&lt;/td&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td colspan="2" style="border-bottom-color: rgb(0, 0, 0); border-bottom-width: 1pt; border-bottom-style: solid;;text-align:center;;vertical-align:bottom;"&gt;Tranche 5&lt;/td&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td colspan="2" style="border-bottom-color: rgb(0, 0, 0); border-bottom-width: 1pt; border-bottom-style: solid;;text-align:center;;vertical-align:bottom;"&gt;Total&lt;/td&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px; background-color: rgb(204, 238, 255);;display:inline;"&gt;Promissory Note&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;1,932,759&lt;/td&gt;&lt;td style="white-space: nowrap; font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;5,826,341&lt;/td&gt;&lt;td style="white-space: nowrap; font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;2,924,172&lt;/td&gt;&lt;td style="white-space: nowrap; font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;1,960,089&lt;/td&gt;&lt;td style="white-space: nowrap; font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;1,723,492&lt;/td&gt;&lt;td style="white-space: nowrap; font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;14,366,853&lt;/td&gt;&lt;td style="white-space: nowrap; font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;Deferred Income (Oceanica Call Option)&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;67,241&lt;/td&gt;&lt;td style="white-space: nowrap; font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;173,659&lt;/td&gt;&lt;td style="white-space: nowrap; font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;75,828&lt;/td&gt;&lt;td style="white-space: nowrap; font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;39,911&lt;/td&gt;&lt;td style="white-space: nowrap; font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;26,509&lt;/td&gt;&lt;td style="white-space: nowrap; font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;383,148&lt;/td&gt;&lt;td style="white-space: nowrap; font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-size: 1px;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px; background-color: rgb(204, 238, 255);;display:inline;"&gt;Proceeds&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;2,000,000&lt;/td&gt;&lt;td style="white-space: nowrap; font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;6,000,000&lt;/td&gt;&lt;td style="white-space: nowrap; font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;3,000,000&lt;/td&gt;&lt;td style="white-space: nowrap; font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;2,000,000&lt;/td&gt;&lt;td style="white-space: nowrap; font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;1,750,0001&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;14,750,001&lt;/td&gt;&lt;td style="white-space: nowrap; font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-size: 1px;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt;  &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;The call option amount of $383,148 represented a debt discount. This discount has been fully accreted up to face value using the effective interest method. &lt;/div&gt;&lt;/div&gt; &lt;div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;Note 4 &amp;#8211; Epsilon &lt;/div&gt;&lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"&gt;On March&amp;#160;18, 2016 we entered into a Note Purchase Agreement (&amp;#8220;Purchase Agreement&amp;#8221;) with Epsilon Acquisitions LLC (&amp;#8220;Epsilon&amp;#8221;). Pursuant to the Purchase Agreement, Epsilon loaned us $3.0&amp;#160;million in two installments of $1.5&amp;#160;million on March&amp;#160;31, 2016 and April&amp;#160;30, 2016. The indebtedness bears interest at a rate of 10% per annum and was due on March&amp;#160;18, 2017. We were also responsible for $50,000 of the lender&amp;#8217;s out of pocket costs. This amount is included in the loan balance. In pledge agreements related to the loans, we granted security interests to Epsilon in (a)&amp;#160;the 54&amp;#160;million cuotas (a unit of ownership under Panamanian law) of Oceanica Resources S. de R.L. (&amp;#8220;Oceanica&amp;#8221;) held by our wholly owned subsidiary, Odyssey Marine Enterprises, Ltd. (&amp;#8220;OME&amp;#8221;), (b)&amp;#160;all notes and other receivables from Oceanica and its subsidiary owed to the Odyssey Pledgors, and (c)&amp;#160;all of the outstanding equity in OME. Epsilon has the right to convert the outstanding indebtedness into shares of our common stock upon 75 days&amp;#8217; notice to us or upon a merger, consolidation, third party tender offer, or similar transaction relating to us at the conversion price of $5.00 per share, which represents the &lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;five-day&lt;/div&gt; volume-weighted average price of Odyssey&amp;#8217;s common stock for the five trading day period ending on March&amp;#160;17, 2016. On January&amp;#160;25, 2017, Epsilon provided notice to us that it would convert the initial $3.0&amp;#160;million plus accrued interest per the Restated Note Purchase Agreement at $5.00 per share in accordance with the terms of the agreement. The conversion and issuance of new shares was effective April&amp;#160;10, 2017 and included accrued interest of $302,274 for a total 670,455 shares. Upon the occurrence and during the continuance of an event of default, the conversion price was to be reduced to $2.50 per share. Following any conversion of the indebtedness, Penelope Mining LLC (an affiliate of Epsilon) (&amp;#8220;Penelope&amp;#8221;), may elect to reduce its commitment to purchase preferred stock of Odyssey under the Stock Purchase Agreement, dated as of March&amp;#160;11, 2015 (as amended, the &amp;#8220;Stock Purchase Agreement&amp;#8221;), among Odyssey, Penelope, and Minera del Norte, S.A. de C.V. (&amp;#8220;MINOSA&amp;#8221;) by the amount of indebtedness converted. &lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;Pursuant to the Purchase Agreement (a)&amp;#160;we agreed to waive our rights to terminate the Stock Purchase Agreement in accordance with the terms thereof until December&amp;#160;31, 2016, and (b)&amp;#160;MINOSA agreed to extend, until &lt;div style="letter-spacing: 0px; top: 0px;;display:inline;"&gt;March&amp;#160;18, 2017&lt;/div&gt;, the maturity date of the $14.75&amp;#160;million loan extended by MINOSA to OME pursuant to the Stock Purchase Agreement. The indebtedness may be accelerated upon the occurrence of specified events of default including (a)&amp;#160;OME&amp;#8217;s failure to pay any amount payable on the date due and payable; (b)&amp;#160;OME or we fail to perform or observe any term, covenant, or agreement in the Purchase Agreement or the related documents, subject to a &lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;five-day&lt;/div&gt; cure period;&amp;#160;(c)&amp;#160;an event of default or material breach by OME, us or any of our affiliates under any of the other loan documents shall have occurred and all grace periods, if any, applicable thereto shall have expired; (d)&amp;#160;the Stock Purchase Agreement shall have been terminated; (e)&amp;#160;specified dissolution, liquidation, insolvency, bankruptcy, reorganization, or similar cases or actions are commenced by or against OME or any of its subsidiaries, in specified circumstances unless dismissed or stayed within 60 days; (f)&amp;#160;the entry of judgment or award against OME or any of its subsidiaries in excess or $100,000; and (g)&amp;#160;a change in control (as defined in the Purchase Agreement) occurs. &lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;In connection with the execution and delivery of the Purchase Agreement, we and Epsilon entered into a registration rights agreement pursuant to which we agreed to register new shares of our common stock with a formal registration statement with the Securities and Exchange Commission upon the conversion of the indebtedness. &lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;&lt;div style="font-style:italic;display:inline;;font-style:italic;display:inline;"&gt;Accounting considerations &lt;/div&gt;&lt;/div&gt;&lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;We have accounted for this transaction as a financing transaction, wherein the net proceeds received were allocated to the financial instruments issued. Prior to making the accounting allocation, we evaluated the transaction for proper classification under ASC 480 &lt;div style="font-style:italic;display:inline;;font-style:italic;display:inline;"&gt;Distinguishing Liabilities from Equity&lt;/div&gt; (&amp;#8220;ASC 480&amp;#8221;), ASC 815 &lt;div style="font-style:italic;display:inline;;font-style:italic;display:inline;"&gt;Derivatives and Hedging&lt;/div&gt; (&amp;#8220;ASC 815&amp;#8221;) and ASC 320 &lt;div style="font-style:italic;display:inline;;font-style:italic;display:inline;"&gt;Property, Plant and Equipment&lt;/div&gt; (&amp;#8220;ASC 320&amp;#8221;). &lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;This debt agreement did not contain any embedded terms or features that have characteristics of derivatives. However, we were required to consider whether the hybrid contract embodied a beneficial conversion feature (&amp;#8220;BCF&amp;#8221;). The calculation of the effective conversion amount did result in a BCF because the effective conversion price was less than the Company&amp;#8217;s stock price on the date of issuance, therefore a BCF of $96,000 was recorded. The BCF represents a debt discount which was amortized over the life of the loan. &lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;&lt;div style="font-style:italic;display:inline;;font-style:italic;display:inline;"&gt;Loan modification (October 1, 2016) &lt;/div&gt;&lt;/div&gt;&lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"&gt;On October&amp;#160;1, 2016 Odyssey Marine Enterprises, Ltd. (&amp;#8220;OME&amp;#8221;), entered into an Amended and Restated Note Purchase Agreement (the &amp;#8220;Restated Note Purchase Agreement&amp;#8221;) with Epsilon Acquisitions LLC (&amp;#8220;Epsilon&amp;#8221;). In connection with the existing $3.0&amp;#160;million loan agreement, Epsilon agreed to lend an additional $3.0&amp;#160;million evidenced by secured convertible promissory notes. The convertible promissory notes bear an interest rate of 10.0% per annum and are due and payable on March&amp;#160;18, 2017. Epsilon has the right to convert all amounts outstanding under the Restated Note into shares of our common stock upon 75 days&amp;#8217; notice to OME or upon a merger, consolidation, third party tender offer, or similar transaction relating to us at the applicable conversion price, which is (a)&amp;#160;$5.00 per share with respect to the $3.0&amp;#160;million already advanced under the Restated Note and (b)&amp;#160;with respect to additional advances under the Restated Note, the &lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;five-day&lt;/div&gt; volume-weighted average price of our common stock for the five trading day period ending on the trading day immediately prior to the date on which OME submits a borrowing notice for such advance. Notwithstanding anything herein to the contrary, we shall not issue any of our common stock upon conversion of any outstanding tranche (other than the first $3.0&amp;#160;million already advanced) under this Restated Note in excess of 1,388,769 shares of common stock.&amp;#160;The additional tranches were issued as follows: (a) $1,000,000 (&amp;#8220;Tranche 3&amp;#8221;) was issued on October&amp;#160;16, 2016 with a conversion price of $3.52 per share; (b) $1,000,000 (&amp;#8220;Tranche 4&amp;#8221;) was issued on November&amp;#160;15, 2016 with a conversion price of $4.19 per share; and (c) $1,000,000 (&amp;#8220;Tranche 5&amp;#8221;) was issued on December&amp;#160;15, 2016 with a conversion price of $4.13 per share. During 2017, Epsilon assigned Tranche 4 and 5 totaling $2,000,000 of this debt to MINOSA under the same terms as the original debt. See Note &amp;#8211; MINOSA 2 below for further detail. On March&amp;#160;30, 2021, Epsilon converted the aggregate indebtedness related to Tranche 3 totaling $1,448,697 into 411,562 shares of our common stock at &lt;div style="letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;an&lt;/div&gt;&lt;/div&gt; exercise price of $3.52 per share. &lt;/div&gt; &lt;div style="font-size: 1px; margin-top: 12px; margin-bottom: 0px;"&gt;&lt;div style="font-size: 1px; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&amp;#160;&lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt;"&gt;As an inducement for the issuance of the additional $3.0&amp;#160;million of promissory notes, we also delivered to Epsilon a common stock purchase warrant (the &amp;#8220;Warrant&amp;#8221;) pursuant to which Epsilon has the right to purchase up to 120,000 shares of our common stock at an exercise price of $3.52 per share, which exercise price represents the &lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;five-day&lt;/div&gt; volume-weighted average price of our common stock for the five trading day period ending on the trading day immediately prior to the day on which the Warrant was issued. Epsilon may exercise the Warrant in whole or in part at any time during the period ending October&amp;#160;1, 2021. The Warrant includes a cashless exercise feature and provides that, if Epsilon is in default of its obligations to fund any advance pursuant to and in accordance with the Restated Note Purchase Agreement, then, thereafter, the maximum aggregate number of shares of common stock that may be purchased under the Warrant shall be the number determined by multiplying 120,000 by a fraction, (a)&amp;#160;the numerator of which is the aggregate principal amount of advances that have been extended to the OME by Epsilon pursuant to the Restated Note Purchase Agreement on or after the date of the Warrant and prior to the date of such failure and (b)&amp;#160;the denominator of which is $3.0&amp;#160;million. During November 2020, Epsilon exercised this warrant using the cashless exercise feature. This exercise resulted in the issuance of 56,228 of our common shares and the forfeiture of the right to acquire the remaining 63,772 common shares. &lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;&lt;div style="font-style:italic;display:inline;;font-style:italic;display:inline;"&gt;Accounting considerations for additional tranches &lt;/div&gt;&lt;/div&gt;&lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;We evaluated for proper classification under ASC 480 &lt;div style="font-style:italic;display:inline;;font-style:italic;display:inline;"&gt;Distinguishing Liabilities from Equity&lt;/div&gt; (&amp;#8220;ASC 480&amp;#8221;), ASC 815 &lt;div style="font-style:italic;display:inline;;font-style:italic;display:inline;"&gt;Derivatives and Hedging&lt;/div&gt; (&amp;#8220;ASC 815&amp;#8221;) and ASC 320 &lt;div style="font-style:italic;display:inline;;font-style:italic;display:inline;"&gt;Property, Plant and Equipment&lt;/div&gt; (&amp;#8220;ASC 320&amp;#8221;). This debt agreement did not contain any embedded terms or features that have characteristics of derivatives. Additionally, the warrant agreement did not contain any terms or features that would preclude equity classification. We were required to consider whether the hybrid contract embodied a beneficial conversion feature (&amp;#8220;BCF&amp;#8221;). The allocations of the three additional tranches were as follows. &lt;/div&gt;&lt;/div&gt; &lt;div style="font-size: 12pt; margin-top: 0pt; margin-bottom: 0pt;"&gt;&lt;div style="font-size: 12pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&amp;#160;&lt;/div&gt;&lt;/div&gt;  &lt;table border="0" cellpadding="0" cellspacing="0" style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; border-collapse: collapse; border-spacing: 0px;;margin : 0px auto;;text-align:left;;width:84%;"&gt;&lt;tr style="font-size: 0px;"&gt;&lt;td style="width:64%;"&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;;width:3%;"&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;;width:3%;"&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;;width:3%;"&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 8pt; page-break-inside: avoid;"&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td colspan="2" style="border-bottom-color: rgb(0, 0, 0); border-bottom-width: 1pt; border-bottom-style: solid;;text-align:center;;vertical-align:bottom;"&gt;Tranche 3&lt;/td&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td colspan="2" style="border-bottom-color: rgb(0, 0, 0); border-bottom-width: 1pt; border-bottom-style: solid;;text-align:center;;vertical-align:bottom;"&gt;Tranche 4&lt;/td&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td colspan="2" style="border-bottom-color: rgb(0, 0, 0); border-bottom-width: 1pt; border-bottom-style: solid;;text-align:center;;vertical-align:bottom;"&gt;Tranche 5&lt;/td&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px; background-color: rgb(204, 238, 255);;display:inline;"&gt;Promissory Note&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;981,796&lt;/td&gt;&lt;td style="white-space: nowrap; font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;939,935&lt;/td&gt;&lt;td style="white-space: nowrap; font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;1,000,000&lt;/td&gt;&lt;td style="white-space: nowrap; font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;Beneficial Conversion Feature (&amp;#8220;BCF&amp;#8221;)*&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;18,204&lt;/td&gt;&lt;td style="white-space: nowrap; font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;60,065&lt;/td&gt;&lt;td style="white-space: nowrap; font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;&amp;#8212;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-size: 1px;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px; background-color: rgb(204, 238, 255);;display:inline;"&gt;Proceeds&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;1,000,000&lt;/td&gt;&lt;td style="white-space: nowrap; font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;1,000,000&lt;/td&gt;&lt;td style="white-space: nowrap; font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;1,000,000&lt;/td&gt;&lt;td style="white-space: nowrap; font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-size: 1px;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt;  &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;A beneficial conversion feature arises when the calculation of the effective conversion price is less than the Company&amp;#8217;s stock price on the date of issuance. Tranche 5 did not result in a BCF because the effective conversion price was greater than the company&amp;#8217;s stock price on the date of issuance. &lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;&lt;div style="letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;The Warrant&amp;#8217;s fair value was calculated using the Black-Scholes-Merton (&amp;#8220;BSM&amp;#8221;) pricing model. The aggregate fair value of the Warrant totaled&lt;/div&gt;&lt;/div&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt; $303,712. &lt;/div&gt;&lt;div style="letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;Because&lt;/div&gt;&lt;/div&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt; the Warrant was issued as an inducement to Epsilon to issue additional debt, we recorded an inducement expense of $303,712&lt;div style="display:inline;"&gt;.&lt;/div&gt; For the three months ended March&amp;#160;31, 2021 and 2020 interest expense in the amount of $34,520 and $24,931, respectively, was recorded. &lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;&lt;div style="font-style:italic;display:inline;;font-style:italic;display:inline;"&gt;Term Extension (March 21, 2017) &lt;/div&gt;&lt;/div&gt;&lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;On March&amp;#160;21, 2017 we entered into an amendment to the Restated Note Purchase Agreement with Epsilon. In connection with the existing $6.0&amp;#160;million of indebtedness, the adjusted principal balance is due and payable in full upon the earlier of (i)&amp;#160;written demand by Epsilon or (ii)&amp;#160;such time as Odyssey or the guarantor pays any other indebtedness for borrowed money prior to its stated maturity date. As such the Company amortized the notes up to their face value of $6,050,000 and they are classified as short-term. However, &lt;/div&gt;&lt;div style="letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;because&lt;/div&gt;&lt;/div&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt; Epsilon converted the first $3.0&amp;#160;million into 670,455 of our common shares and assigned $2.0&amp;#160;million to MINOSA, the&amp;#160;principal indebtedness at March&amp;#160;31, 2021 &lt;/div&gt;&lt;div style="letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;was zero and at December&amp;#160;31, 2020 was&lt;/div&gt;&lt;/div&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&amp;#160;$1.0&amp;#160;million. &lt;/div&gt;&lt;/div&gt; &lt;div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;Note 5 &amp;#8211; SMOM &lt;/div&gt;&lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;On May&amp;#160;3, 2017, we entered into a Loan and Security Agreement (&amp;#8220;Loan Agreement&amp;#8221;) with SMOM. Pursuant to the Loan Agreement, SMOM agreed to loan us up to $3.0&amp;#160;million as evidenced by a convertible promissory note. As a commitment fee, we assigned the remaining 50% of our Neptune Minerals, LLC receivable to SMOM. This receivable had zero carrying value on our balance sheet and due to the age and collectability was deemed to have no fair value. The indebtedness bears interest at a rate of 10% per annum and matures on the second anniversary of this Loan Agreement which is May&amp;#160;3, 2019. During January 2021, this Loan Agreement was amended by increasing the interest rate to 18%, effective January&amp;#160;1, 2021. On April&amp;#160;20, 2018, the loan was amended, and the principal amount of the Loan was increased to $3.5&amp;#160;million. The loan balance at March&amp;#160;31, 2021 and December&amp;#160;31, 2020 was $3.5&amp;#160;million. The holder has the option to convert up to $2.0&amp;#160;million of any unpaid principal and interest into up to 50% of the equity interest held by Odyssey in Aldama Mining Company, S.de R.L. de C.V. which is a wholly owned subsidiary of ours. The conversion value of $1.0&amp;#160;million equates to 10% of the equity interest in Aldama. If the holder elects to acquire the entire 50% of the equity interest, the Holder has to pay the deficiency in cash. As additional consideration for the loan, the holder has the right to purchase from Odyssey all or a portion of the equity collateral (up to the 50% of the equity interest of Aldama) for the option consideration ($1.0&amp;#160;million for each 10% of equity interests) during the period that is the later of (i)&amp;#160;one year after the maturity date and (ii)&amp;#160;one year after the loan is repaid in full, the expiration date. The lender may also choose to extend the expiration date annually by paying $500,000 for each year extended. For the three months ended March&amp;#160;31, 2021 and 2020, interest expense in the amount of $155,343 and $87,260, respectively, was recorded. &lt;/div&gt;&lt;/div&gt; &lt;div style="font-size: 1px; margin-top: 18px; margin-bottom: 0px;"&gt;&lt;div style="font-size: 1px; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&amp;#160;&lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;&lt;div style="font-style:italic;display:inline;;font-style:italic;display:inline;"&gt;Accounting considerations &lt;/div&gt;&lt;/div&gt;&lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;We have accounted for this transaction as a financing transaction, wherein the net proceeds received were allocated to the financial instruments issued. Prior to making the accounting allocation, we evaluated for proper classification under ASC 480 &lt;div style="font-style:italic;display:inline;;font-style:italic;display:inline;"&gt;Distinguishing Liabilities from Equity&lt;/div&gt; (&amp;#8220;ASC 480&amp;#8221;), ASC 815 &lt;div style="font-style:italic;display:inline;;font-style:italic;display:inline;"&gt;Derivatives and Hedging&lt;/div&gt; (&amp;#8220;ASC 815&amp;#8221;) and ASC 320 &lt;div style="font-style:italic;display:inline;;font-style:italic;display:inline;"&gt;Property, Plant and Equipment&lt;/div&gt; (&amp;#8220;ASC 320&amp;#8221;). &lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;This debt agreement did not contain any embedded terms or features that have characteristics of derivatives. However, we were required to consider whether the hybrid contract embodied a beneficial conversion feature (&amp;#8220;BCF&amp;#8221;). The calculation of the effective conversion amount did not result in a BCF because the effective conversion price was equal to the Company&amp;#8217;s stock price on the date of issuance. &lt;/div&gt;&lt;/div&gt; &lt;div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;Note 6 &amp;#8211; MINOSA 2 &lt;/div&gt;&lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;On August&amp;#160;10, 2017, we entered into a Note Purchase Agreement (the &amp;#8220;Minosa Purchase Agreement&amp;#8221;) with MINOSA. Pursuant to the Minosa Purchase Agreement, MINOSA agreed to loan Enterprises up to $3.0&amp;#160;million. During 2017, we borrowed $2.7&amp;#160;million against this facility and Epsilon assigned $2.0&amp;#160;million of its debt to MINOSA. At March&amp;#160;31, 2021 and December&amp;#160;31, 2020, the outstanding principal balance, including the Epsilon assignment, was $5.05&amp;#160;million. The indebtedness is evidenced by a secured convertible promissory note (the &amp;#8220;Minosa Note&amp;#8221;) and bears interest at a rate equal to 10.0%&amp;#160;per annum. Unless otherwise converted as described below, the entire outstanding principal balance under this Minosa Note and all accrued interest and fees are due and payable upon written demand by MINOSA; provided, that MINOSA agreed not make a demand for payment prior to the earlier of (a)&amp;#160;an event of default (as defined in the Minosa Note) or (b)&amp;#160;a date, which may be no earlier than December&amp;#160;31, 2017, that is at least 60 days subsequent to written notice that MINOSA intends to demand payment. MINOSA has not provided any notice they intend to issue a payment demand notice. We unconditionally and irrevocably guaranteed all of the obligations under the Minosa Purchase Agreement and the Minosa Note. MINOSA has the right to convert all amounts outstanding under the Minosa Note into shares of our common stock upon 75 days&amp;#8217; notice to us or upon a merger, consolidation, third party tender offer, or similar transaction relating to us at the conversion price of&amp;#160;$4.41 per share. During December 2017, MINOSA transferred this debt to its parent company. &lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;This debt agreement did not contain any embedded terms or features that have characteristics of derivatives. However, we were required to consider whether the hybrid contract embodied a beneficial conversion feature (&amp;#8220;BCF&amp;#8221;). The calculation of the effective conversion amount did result in a BCF because the effective conversion price was less than the Company&amp;#8217;s stock price on the date of issuance, therefore a BCF of $62,925 was recorded. As of December&amp;#160;31, 2017, all of the BCF has been accreted to the income statement. The BCF represented a debt discount that was amortized over the life of the loan. For the three months ended March&amp;#160;31, 2021 and 2020, interest expense in the amount of $124,520 and $125,903, respectively, was recorded. &lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;As previously reported, Epsilon loaned us an aggregate of $6.0&amp;#160;million pursuant to an amended and restated convertible promissory Minosa Note, dated as of March&amp;#160;18, 2016, as further amended and restated on October&amp;#160;1, 2016 (the &amp;#8220;Epsilon Note&amp;#8221;). Since then, Epsilon has assigned $2.0&amp;#160;million of the indebtedness under the Epsilon Note to MINOSA. Along with Epsilon, we entered into a second amended and restated convertible promissory note (the &amp;#8220;Second AR Epsilon Note&amp;#8221;), which further amends and restates the Epsilon Note. The stated principal amount of the Second AR Epsilon Note is $1.0&amp;#160;million (which reflects the outstanding principal balance remaining after giving effect to Epsilon&amp;#8217;s (x)&amp;#160;previous assignment of $2.0&amp;#160;million of the indebtedness under the Epsilon Note to MINOSA and (y)&amp;#160;conversion of $3.0&amp;#160;million of the indebtedness under the Epsilon Note into shares of our common stock). The Second AR Epsilon Note further provides that the outstanding principal balance under the Second AR Epsilon Note and all accrued interest and fees are due and payable upon written demand by Epsilon; provided, that Epsilon agreed not make a demand for payment prior to the earlier of (a)&amp;#160;an event of default (as defined in the Second AR Epsilon Note) or (b)&amp;#160;a date, which may be no earlier than December&amp;#160;31, 2017, that is at least 60 days subsequent to written notice that MINOSA intends to demand payment. &lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;Upon the closing of the Minosa Purchase Agreement, along with MINOSA, and Penelope Mining LLC, an affiliate of Minosa (&amp;#8220;Penelope&amp;#8221;), executed and delivered a Second Amended and Restated Waiver and Consent and Amendment No.&amp;#160;5 to Promissory Note and Amendment No.&amp;#160;2 to Stock Purchase Agreement (the &amp;#8220;Second&amp;#160;AR Waiver&amp;#8221;). Pursuant to the Second&amp;#160;AR Waiver, Minosa and Penelope consented to the transactions contemplated by the Minosa Purchase Agreement and waived any breach of any representation or warranty and violation of any covenant in the Stock Purchase Agreement, dated as of March&amp;#160;11, 2015, as amended April&amp;#160;10, 2015 (the &amp;#8220;SPA&amp;#8221;), by and among us, Minosa, and Penelope, arising out of the Company&amp;#8217;s execution and delivery of the Minosa Purchase Agreement and the consummation of the transactions contemplated thereby. Pursuant to the Second&amp;#160;AR Waiver, we also waived, and agreed not to exercise our right to terminate the SPA pursuant to Section&amp;#160;8.1(c)(ii) thereto, both (a)&amp;#160;until after the earlier of (i)&amp;#160;July&amp;#160;1, 2018, (ii)&amp;#160;the date that MINOSA fails, refuses, or declines to fund (or otherwise does not fund) any subsequent loan under the Minosa Purchase Agreement and (iii)&amp;#160;demand is made for repayment of all or any part of the indebtedness outstanding under the Minosa Note, the Second AR Epsilon Note, or the Promissory Note, dated as of March&amp;#160;11, 2015, as amended (the &amp;#8220;SPA Note&amp;#8221;), in the principal amount of $14.75&amp;#160;million that was issued by us to MINOSA under the SPA, and&amp;#160;(b) unless on or prior to such termination, the Notes are paid in full. &lt;/div&gt;&lt;/div&gt; &lt;div style="font-size: 1px; margin-top: 12px; margin-bottom: 0px;"&gt;&lt;div style="font-size: 1px; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&amp;#160;&lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;The Second&amp;#160;AR Waiver (x)&amp;#160;further provides that following any conversion of the indebtedness evidenced by the Minosa Note, Penelope may elect to reduce its commitment to purchase our preferred stock under the SPA by the amount of indebtedness converted by MINOSA and (y)&amp;#160;amends the SPA Note to provide that the outstanding principal balance under the SPA Note and all accrued interest and fees are due and payable upon written demand by MINOSA; provided, that Minosa agreed not make a demand for payment prior to the earlier of (a)&amp;#160;an event of default (as defined in the Minosa Note) or (b)&amp;#160;a date, which may be no earlier than December&amp;#160;31, 2017, that is at least 60 days subsequent to written notice that Minosa intends to demand payment. &lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;The obligations under the Minosa Note may be accelerated upon the occurrence of specified events of default including (a)&amp;#160;our failure to pay any amount payable under the Minosa Note on the date due and payable; (b)&amp;#160;our failure to perform or observe any term, covenant, or agreement in the Minosa Note or the related documents, subject to a &lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;five-day&lt;/div&gt; cure period;&amp;#160;(c)&amp;#160;the occurrence and expiration of all applicable grace periods, if any, of an event of default or material breach by us under any of the other loan documents; (d)&amp;#160;the termination of the SPA; (e)&amp;#160;commencement of certain specified dissolution, liquidation, insolvency, bankruptcy, reorganization, or similar cases or actions by or against us, in specified circumstances unless dismissed or stayed within 60 days; (f)&amp;#160;the entry of a judgment or award against us in excess of $100,000; and (g)&amp;#160;the occurrence of a change in control (as defined in the Minosa Note). &lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;Pursuant to second amended and restated pledge agreements (the &amp;#8220;Second AR Pledge Agreements&amp;#8221;) entered into by us in favor of MINOSA, we pledged and granted security interests to MINOSA in (a)&amp;#160;the 54&amp;#160;million cuotas (a unit of ownership under Panamanian law) of Oceanica held by us, (b)&amp;#160;all notes and other receivables from Oceanica and its subsidiary owed to us, and (c)&amp;#160;all of the outstanding equity in our wholly owned subsidiary, Odyssey Marine Enterprises, Ltd. &lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;In connection with the execution and delivery of the Minosa Purchase Agreement, Odyssey and MINOSA entered into a second amended and restated registration rights agreement (the &amp;#8220;Second AR Registration Rights Agreement&amp;#8221;) pursuant to which Odyssey agreed to register the offer and sale of the shares (the &amp;#8220;Conversion Shares&amp;#8221;) of our common stock issuable upon the conversion of the indebtedness evidenced by the Minosa Note. Subject to specified limitations set forth in the Second AR Registration Rights Agreement, including that we are eligible to use Form &lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;S-3,&lt;/div&gt; the holder of the Minosa Note can require us to register the offer and sale of the Conversion Shares if the aggregate offering price thereof (before any underwriting discounts and commissions) is not less than $3.0&amp;#160;million. In addition, we agreed to file a registration statement relating to the offer and sale of the Conversion Shares on a continuous basis promptly (but in no event later than 60 days after) after the conversion of the Minosa Note into the Conversion Shares and to thereafter use its reasonable best efforts to have such registration statement declared effective by the Securities and Exchange Commission. &lt;/div&gt; &lt;table border="0" style="width:100%; table-layout:fixed;" cellspacing="0" cellpadding="0"&gt;&lt;tr&gt;&lt;td&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;Note 7 &amp;#8211; Monaco 2018 &lt;/div&gt;&lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;During the period ended March&amp;#160;31, 2018, Monaco advanced us $1.0&amp;#160;million that was included in a loan agreement that was executed on April&amp;#160;20, 2018. Monaco also agreed to treat $99,366 of back rent owed by us to Monaco as part of this loan resulting in an aggregate principal amount of $1,099,366 at March&amp;#160;31, 2021 and December&amp;#160;31, 2020. The indebtedness bears interest at 10.0% percent per year. During January 2021, this loan agreement was amended by increasing the interest rate to 18%, effective January&amp;#160;1, 2021. All principal and any unpaid interest are payable on the first anniversary of this agreement, April&amp;#160;20, 2019. This debt is secured by cash proceeds, if any, from our future shipwreck projects we have contracted with Magellan. As additional consideration, their share purchase option expiration date, as discussed in Note 1 &amp;#8211; Monaco 2014 and Note 2 &amp;#8211; Monaco 2016 above, has been extended from 30 days to seven months after the note becomes paid in full. For the three months ended March&amp;#160;31, 2021 and 2020, interest expense in the amount of $64,893 and $32,776, respectively, was recorded. &lt;/div&gt;&lt;/div&gt; &lt;div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;Note 8 &amp;#8211; Promissory note &lt;/div&gt;&lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;On July&amp;#160;12, 2018, we entered into a Note and Warrant Purchase Agreement (the &amp;#8220;Purchase Agreement&amp;#8221;) with two individuals (the &amp;#8220;Lenders&amp;#8221;), one of whom holds in excess of 5.0% of our outstanding common stock. Pursuant to the Purchase Agreement, the Lenders agreed to lend an aggregate of $1,050,000 to us, which was advanced in three tranches on July&amp;#160;12, 2018, $500,000, August&amp;#160;17, 2018, $300,000 and October&amp;#160;4, 2018, $250,000. The indebtedness is evidenced by secured convertible promissory notes (the &amp;#8220;Notes&amp;#8221;) and bears interest at a rate equal to 8.0% per annum. Unless otherwise converted as described below, the entire outstanding principal balance under the Notes and all accrued interest and fees are due and payable on July&amp;#160;12, 2019. See &lt;div style="font-weight:bold;display:inline;"&gt;&amp;#8220;&lt;/div&gt;&lt;div style="font-weight:bold;display:inline;"&gt;&lt;div style="font-style:italic;display:inline;;font-style:italic;display:inline;"&gt;Term Extension (July 8, 2019)&amp;#8221; below.&lt;/div&gt;&lt;/div&gt; &lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;At any time after to the first to occur of (a)&amp;#160;a sale by us of additional Notes or (b)&amp;#160;September 12, 2018, the Lenders have the right to convert all amounts outstanding under the Notes into either (x)&amp;#160;shares of our common stock at the conversion rate of $8.00 per share, (y)&amp;#160;$500,000 of the indebtedness owed by Exploraciones Oceanicas S. de R. L. de C.V. (&amp;#8220;ExO&amp;#8221;) to Oceanica Marine Operations, S.R.L. (&amp;#8220;OMO&amp;#8221;), or (z)&amp;#160;a 7.5% interest in Aldama Mining Company, S. de R. L. de C.V. (&amp;#8220;Aldama&amp;#8221;). We indirectly hold a controlling interest in ExO; OMO and Aldama are indirect, wholly owned subsidiaries of ours. &lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;In connection with the issuance and sale of the Notes, we issued warrants to purchase common stock (the &amp;#8220;Warrants&amp;#8221;) to the Lenders. The Lenders may exercise the Warrants to purchase an aggregate of 65,625 shares of our common stock at an exercise price of $12.00 per share. The Warrants are exercisable during the period commencing on the date on which the Notes are converted into shares of our common stock and ending on July&amp;#160;12, 2021. &lt;/div&gt;&lt;/div&gt; &lt;div style="font-size: 1px; margin-top: 12px; margin-bottom: 0px;"&gt;&lt;div style="font-size: 1px; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&amp;#160;&lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;Pursuant to a Pledge Agreement, dated as of July&amp;#160;12, 2018 (the &amp;#8220;Pledge Agreement&amp;#8221;), our obligations under the Notes are secured by a pledge of a portion of Odyssey&amp;#8217;s ownership interest in Aldama and another entity. &lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;Pursuant to a Registration Rights Agreement (the &amp;#8220;Rights Agreement&amp;#8221;) among us and the Lenders, we granted the Lenders &amp;#8220;piggy-back&amp;#8221; registration rights with respect to the shares of our common stock issuable upon conversion of the Notes and the exercise of the Warrants. &lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;The Purchase Agreement, the Notes, the Warrants, the Pledge Agreement, and the Rights Agreement include representations and warranties and other covenants, conditions, and other provisions customary for comparable transactions. &lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;We have accounted for this transaction as a financing transaction, wherein the net proceeds received were allocated to the financial instruments issued. Prior to making the accounting allocation, we evaluated the transaction for proper classification under ASC 480 Distinguishing Liabilities from Equity (&amp;#8220;ASC 480&amp;#8221;), ASC 815 Derivatives and Hedging (&amp;#8220;ASC 815&amp;#8221;). &lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;We determined that the debt achieved conventional convertible status and that the equity conversion option was in the money at inception which required the calculation of a beneficial conversion feature (&amp;#8220;BCF&amp;#8221;). The fair value of the warrants and BCF component exceeded the amount of proceeds, therefore, they were limited to the cash proceeds of $1,050,000 at December&amp;#160;31, 2018. As a result, there was no value allocated to the debt at inception. The debt was being accreted to face value over its term using the effective interest method. The face value of this debt was $1.05&amp;#160;million at March&amp;#160;31, 2021 and December&amp;#160;31, 2020. For the three months ended March&amp;#160;31, 2021 and 2020, interest expense in the amount of $25,234 and $23,555, respectively, was recorded. &lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;&lt;div style="font-style:italic;display:inline;;font-style:italic;display:inline;"&gt;Term Extension (July 8, 2019) &lt;/div&gt;&lt;/div&gt;&lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;On July&amp;#160;8, 2019, Odyssey and the Lenders entered into a Second Amendment to Note and Warrant Purchase Agreement and Note and Warrant Modification Agreement (the &amp;#8220;Second Amendment&amp;#8221;) pursuant to which certain terms and provisions of the Notes and Warrants were amended or otherwise modified. The material terms and provisions that were amended or otherwise modified are as follows: &lt;/div&gt;&lt;/div&gt; &lt;div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"&gt;&lt;div style="font-size: 6pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&amp;#160;&lt;/div&gt;&lt;/div&gt; &lt;table border="0" cellpadding="0" cellspacing="0" style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; border-collapse: collapse; border-spacing: 0px;;width:100%;"&gt;&lt;tr style="page-break-inside: avoid;"&gt;&lt;td style="width:4%;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align:left;;vertical-align:top;;width:4%;"&gt;&amp;#8226;&lt;/td&gt;&lt;td style="vertical-align:top;;width:1%;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align:left;;vertical-align:top;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; line-height: normal;;text-align:left;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;the maturity date of the Notes was extended by one year, to July&amp;#160;12, 2020 (the parties are currently in discussions to further extend the maturity date of the Notes); &lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px; background: none;"&gt;&lt;/div&gt; &lt;div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"&gt;&lt;div style="font-size: 6pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&amp;#160;&lt;/div&gt;&lt;/div&gt; &lt;table border="0" cellpadding="0" cellspacing="0" style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; border-collapse: collapse; border-spacing: 0px;;width:100%;"&gt;&lt;tr style="page-break-inside: avoid;"&gt;&lt;td style="width:4%;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align:left;;vertical-align:top;;width:4%;"&gt;&amp;#8226;&lt;/td&gt;&lt;td style="vertical-align:top;;width:1%;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align:left;;vertical-align:top;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; line-height: normal;;text-align:left;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;the conversion rate of the Notes and the exercise price of the Warrants were modified to $5.756, which represented the &amp;#8220;market price&amp;#8221; of Odyssey&amp;#8217;s common stock as of July&amp;#160;7, 2019, the day before the Second Amendment was signed; &lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px; background: none;"&gt;&lt;/div&gt; &lt;div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"&gt;&lt;div style="font-size: 6pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&amp;#160;&lt;/div&gt;&lt;/div&gt; &lt;table border="0" cellpadding="0" cellspacing="0" style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; border-collapse: collapse; border-spacing: 0px;;width:100%;"&gt;&lt;tr style="page-break-inside: avoid;"&gt;&lt;td style="width:4%;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align:left;;vertical-align:top;;width:4%;"&gt;&amp;#8226;&lt;/td&gt;&lt;td style="vertical-align:top;;width:1%;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align:left;;vertical-align:top;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; line-height: normal;;text-align:left;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;the Notes are unsecured; &lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px; background: none;"&gt;&lt;/div&gt; &lt;div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"&gt;&lt;div style="font-size: 6pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&amp;#160;&lt;/div&gt;&lt;/div&gt; &lt;table border="0" cellpadding="0" cellspacing="0" style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; border-collapse: collapse; border-spacing: 0px;;width:100%;"&gt;&lt;tr style="page-break-inside: avoid;"&gt;&lt;td style="width:4%;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align:left;;vertical-align:top;;width:4%;"&gt;&amp;#8226;&lt;/td&gt;&lt;td style="vertical-align:top;;width:1%;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align:left;;vertical-align:top;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; line-height: normal;;text-align:left;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;the Notes are convertible only into shares of Odyssey common stock; and &lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px; background: none;"&gt;&lt;/div&gt; &lt;div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"&gt;&lt;div style="font-size: 6pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&amp;#160;&lt;/div&gt;&lt;/div&gt; &lt;table border="0" cellpadding="0" cellspacing="0" style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; border-collapse: collapse; border-spacing: 0px;;width:100%;"&gt;&lt;tr style="page-break-inside: avoid;"&gt;&lt;td style="width:4%;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align:left;;vertical-align:top;;width:4%;"&gt;&amp;#8226;&lt;/td&gt;&lt;td style="vertical-align:top;;width:1%;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align:left;;vertical-align:top;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; line-height: normal;;text-align:left;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;the modified Warrants are exercisable at any time until July&amp;#160;8, 2024 to purchase an aggregate of 196,135 shares of our common stock. &lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px; background: none;"&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;We evaluated the amendment&amp;#8217;s impact on the accounting for the Note in accordance with ASC &lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;470-50-40-6&lt;/div&gt;&lt;/div&gt;&lt;/div&gt; through 12 to determine whether extinguishment accounting was appropriate. The modification had a cash flow effect on a present value basis of less than 10%. However, the reduction in the conversion price resulted in a change in the fair value of the embedded conversion option that was more than 10% of the carrying value of the Note immediately prior to the modification. Because the amendment resulted in a substantial modification, extinguishment accounting was required, and we recorded a loss on the extinguishment of debt of $290,024. The extinguishment accounting resulted in a fair value reacquisition price of this debt of $1,340,024. The premium of $290,024 was being amortized over the remaining life of the debt. The warrant modification was treated as an inducement to extend the debt therefore the fair value of the warrants of $868,878 was a period expense and charged to interest expense with an offset to equity. &lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;&lt;div style="font-style:italic;display:inline;;font-style:italic;display:inline;"&gt;Term Extension (August 14, 2020) &lt;/div&gt;&lt;/div&gt;&lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;On August&amp;#160;14, 2020, we entered into a Third Amendment to Note and Warrant Purchase Agreement and Note and Warrant Modification Agreement (the &amp;#8220;Third Amendment&amp;#8221;) with the Lenders. Certain terms and provisions of the Notes were modified, and we issued a new warrant to purchase common stock to each of the Lenders as consideration for them entering into the Third Amendment. The warrants have an exercise price of $4.67 and are exercisable any time until August&amp;#160;14, 2023. Material terms and provisions that were amended or otherwise modified are as follows: &lt;/div&gt;&lt;/div&gt; &lt;div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"&gt;&lt;div style="font-size: 6pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&amp;#160;&lt;/div&gt;&lt;/div&gt; &lt;table border="0" cellpadding="0" cellspacing="0" style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; border-collapse: collapse; border-spacing: 0px;;width:100%;"&gt;&lt;tr style="page-break-inside: avoid;"&gt;&lt;td style="width:4%;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align:left;;vertical-align:top;;width:4%;"&gt;&amp;#8226;&lt;/td&gt;&lt;td style="vertical-align:top;;width:1%;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align:left;;vertical-align:top;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; line-height: normal;;text-align:left;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;the maturity date of the Notes was extended by one year, to July&amp;#160;12, 2021 and &lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px; background: none;"&gt;&lt;/div&gt; &lt;div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"&gt;&lt;div style="font-size: 6pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&amp;#160;&lt;/div&gt;&lt;/div&gt; &lt;table border="0" cellpadding="0" cellspacing="0" style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; border-collapse: collapse; border-spacing: 0px;;width:100%;"&gt;&lt;tr style="page-break-inside: avoid;"&gt;&lt;td style="width:4%;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align:left;;vertical-align:top;;width:4%;"&gt;&amp;#8226;&lt;/td&gt;&lt;td style="vertical-align:top;;width:1%;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align:left;;vertical-align:top;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; line-height: normal;;text-align:left;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;the conversion rate of the Notes was modified to $4.67. &lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px; background: none;"&gt;&lt;/div&gt; &lt;div style="font-size: 1px; margin-top: 12px; margin-bottom: 0px;"&gt;&lt;div style="font-size: 1px; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&amp;#160;&lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;As of August&amp;#160;14, 2020, the aggregate amount of indebtedness outstanding under the Notes was $1,232,846. As amended by the Third Amendment, the Notes are convertible into an aggregate of 263,993 shares of our common stock, and the new Warrants are exercisable to purchase an aggregate of 131,996 shares of our common stock for $4.67 per share. &lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;The modification of the Notes and the issuance of the warrants, were evaluated under ASC &lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;470-50-40,&lt;/div&gt;&lt;/div&gt; &amp;#8220;Debt Modification and Extinguishments.&amp;#8221; By applying the guidance, the Notes were determined to be substantially different and the transaction qualified for extinguishment accounting. As a result, we recorded a loss on extinguishment of approximately $777,500, which included the fair value of the warrants given as consideration for the modification. The premium of $358,497 is being amortized over the remaining life of the debt. The related amortization for the three months ended March&amp;#160;31, 2021 and 2020 was $95,683 and $71,606, &lt;div style="letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;respectively. The unamortized premium at March&amp;#160;31, 2021 and December&amp;#160;31, 2020 was $100,180 and $195,862, respectively. &lt;/div&gt;&lt;/div&gt; &lt;/div&gt; &lt;div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;Note 9 &amp;#8211; Litigation Financing &lt;/div&gt;&lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;On June&amp;#160;14, 2019, Odyssey and Exploraciones Oce&amp;#225;nicas&amp;#160;S. de R.L. de C.V., our Mexican subsidiary (&amp;#8220;ExO&amp;#8221; and, together with Odyssey, the &amp;#8220;Claimholder&amp;#8221;), and Poplar Falls LLC (the &amp;#8220;Funder&amp;#8221;) entered into an International Claims Enforcement Agreement (the &amp;#8220;Agreement&amp;#8221;), pursuant to which the Funder agreed to provide financial assistance to the Claimholder to facilitate the prosecution and recovery of the claim by the Claimholder against the United Mexican States under Chapter Eleven of the North American Free Trade Agreement (&amp;#8220;NAFTA&amp;#8221;) for violations of the Claimholder&amp;#8217;s rights under NAFTA related to the development of an undersea phosphate deposit off the coast of Baja Sur, Mexico (the &amp;#8220;Project&amp;#8221;),&amp;#160;on our own behalf and on behalf of ExO and United Mexican States (the &amp;#8220;Subject Claim&amp;#8221;). Pursuant to the Agreement, the Funder agreed to specified fees and expenses regarding the Subject Claim (the &amp;#8220;Claims Payments&amp;#8221;) incrementally and at the Funder&amp;#8217;s sole discretion. &lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;Under the terms of the Agreement, the Funder agreed to make Claims Payments in an aggregate amount not to exceed $6,500,000 (the &amp;#8220;Maximum Investment Amount&amp;#8221;). The Maximum Investment Amount will be made available to the Claimholder in two phases, as set forth below: &lt;/div&gt;&lt;/div&gt; &lt;div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"&gt;&lt;div style="font-size: 6pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&amp;#160;&lt;/div&gt;&lt;/div&gt; &lt;table border="0" cellpadding="0" cellspacing="0" style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; border-collapse: collapse; border-spacing: 0px;;width:100%;"&gt;&lt;tr style="page-break-inside: avoid;"&gt;&lt;td style="width:4%;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align:left;;vertical-align:top;;width:5%;"&gt;(a)&lt;/td&gt;&lt;td style="text-align:left;;vertical-align:top;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; line-height: normal;;text-align:left;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;a first phase, in which the Funder shall make Claims Payments in an aggregate amount no greater than $1,500,000 for the payment of antecedent and ongoing costs (&amp;#8220;Phase I Investment Amount&amp;#8221;); and &lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px; background: none;"&gt;&lt;/div&gt; &lt;div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"&gt;&lt;div style="font-size: 6pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&amp;#160;&lt;/div&gt;&lt;/div&gt; &lt;table border="0" cellpadding="0" cellspacing="0" style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; border-collapse: collapse; border-spacing: 0px;;width:100%;"&gt;&lt;tr style="page-break-inside: avoid;"&gt;&lt;td style="width:4%;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align:left;;vertical-align:top;;width:5%;"&gt;(b)&lt;/td&gt;&lt;td style="text-align:left;;vertical-align:top;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; line-height: normal;;text-align:left;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;a second phase, in which the Funder shall make Claims Payments in an aggregate amount no greater than $5,000,000 for the purposes of pursuing the Subject Claim to a final award (&amp;#8220;Phase II Investment Amount&amp;#8221;). &lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px; background: none;"&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;Upon exhaustion of the Phase&amp;#160;I Investment Amount, the Claimholder will have the option to request Tranche&amp;#160;A of the Phase&amp;#160;II Investment Amount, consisting of funding up to $3.5&amp;#160;million (&amp;#8220;Tranche&amp;#160;A Committed Amount&amp;#8221;). Upon exhaustion of the Tranche&amp;#160;A Committed Amount, the Claimholder will have the option to request Tranche&amp;#160;B of the Phase&amp;#160;II Investment Amount, consisting of funding of up to $1.5&amp;#160;million (&amp;#8220;Tranche&amp;#160;B Committed Amount&amp;#8221;). The Claimholder must exercise its option to receive the Tranche&amp;#160;A Committed Amount in writing, no less than thirty days before submitting a Funding Request to the Funder under Tranche&amp;#160;A. The Claimholder must exercise its option to receive the Tranche&amp;#160;B Committed Amount in writing within forty-five days after the exhaustion of the Tranche&amp;#160;A Committed Amount. Pursuant to the Agreement, the Claimholder agreed that, upon exercising the Claimholder&amp;#8217;s option to receive funds under Phase&amp;#160;I, Tranche&amp;#160;A of Phase&amp;#160;II, or Tranche&amp;#160;B of Phase&amp;#160;II, the Funder will be the sole source of third-party funding for the specified fees and expenses of the Subject Claim under each respective phase and tranche covered by the option exercised, and the Claimholder will obtain funding for such fees and expenses, only as set forth in the Agreement. The Funder was due closing fee of $80,000 for the Phase&amp;#160;I Investment Amount, and $80,000 for the Phase&amp;#160;II Investment Amount to pay third parties in connection with due diligence and other administrative and transaction costs incurred by the Funder prior to and in furtherance of execution of the Agreement. &lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;Upon the Funder making Claims Payments to the Claimholder or its designees in an aggregate amount equal to the Maximum Investment Amount, the Funder has the option to continue funding the specified fees and expenses in relation to the Subject Claim on the same terms and conditions provided in the Agreement. The Funder must exercise its option to continue funding in writing, within thirty days after the Funder has made Claims Payments in an aggregate amount equal to the Maximum Investment Amount. If the Funder exercises its option to continue funding, the parties agreed to attempt in good faith to amend the Agreement to provide the Funder with the right to provide at the Funder&amp;#8217;s discretion funding in excess of the Maximum Investment Amount, in an amount up to the greatest amount that may then be reasonably expected to be committed for investment in Subject Claim. If the Funder declines to exercise its option, the Claimholder may negotiate and enter into agreements with one or more third parties to provide funding, which shall be subordinate to the Funder&amp;#8217;s rights under the Agreement. &lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;The Agreement provides that the Claimholder may at any time without the consent of the Funder either settle or refuse to settle the Subject Claim for any amount; provided, however, that if the Claimholder settles the Subject Claim without the Funder&amp;#8217;s consent, which consent shall not be unreasonably withheld, conditioned, or delayed, the value of the Recovery Percentage (as defined below) will be deemed to be the greater of (a)&amp;#160;the Recovery Percentage (under Phase&amp;#160;I or Phase&amp;#160;II, as applicable), or (b)&amp;#160;the total amount of all Claims Payments made in connection with such Subject Claim multiplied by three (3). &lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;If the Claimholder ceases the Subject Claim for any reason other than (a)&amp;#160;a full and final arbitral award against the Claimholder or (b)&amp;#160;a full and final monetary settlement of the claims, including in particular, for a grant of an environmental permit to the Claimholder allowing it to proceed with the Project (with or without a monetary component), all Claims Payments under Phase&amp;#160;I and, if Claimholder has exercised the corresponding option, the Tranche&amp;#160;A Committed Amount and Tranche&amp;#160;B Committed Amount, shall immediately convert to a senior secured liability of the Claimholder. This sum shall incur an annualized internal rate of return (IRR) of 50.0% retroactive to the date each Funding Request was paid by the Funder (under Phase&amp;#160;I), or, to the conversion date for the Tranche&amp;#160;A Committed Amount and Tranche&amp;#160;B Committed Amount of Phase&amp;#160;II if the Claimholder has exercised the respective option (collectively, the &amp;#8220;Conversion Amount&amp;#8221;). Such Conversion Amount and any and all accrued IRR shall be &lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;payable&amp;#160;in-full&amp;#160;by&lt;/div&gt; the Claimholder within 24 months of the date of such conversion, after which time any outstanding Conversion Amounts, shall accrue an (IRR) of 100.0%, retroactive to the conversion date (the &amp;#8220;Penalty Interest Amount&amp;#8221;). The Claimholder will execute such documents and take other actions as necessary to grant the Funder a senior security interest on and over all sums due and owing by the Claimholder in order to secure its obligation to pay the Conversion Amount to the Funder. If the Claimholder ceases the Subject Claim due to the grant of an environmental permit (with or without a monetary component), all Claims Payments under Phase 1 and, if the Claimholder has exercised the corresponding option, the Tranche A Committed Amount and Tranche B Committed Amount shall immediately convert to a senior secured liability of the Claimholder and shall incur an annualized an IRR of 50.0% on the Conversion Amount, from the conversion date. Management has estimated it is more likely than not the Subject Claim will result in the issuance of the environmental permit requiring us to record interest under Generally Accepted Accounting Principles. Reliance should not be placed on this estimate in determining the likely outcome of the Subject Claim. &lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;If, at any time after exercising its option to receive funds under either Tranche&amp;#160;A or Tranche&amp;#160;B of Phase&amp;#160;II, the Claimholder wishes to fund the Subject Claim with its own capital (&amp;#8220;Self-Funding&amp;#8221;) (which excludes any Claims Payments made, either directly or indirectly, by any other third party), the Claimholder shall immediately pay to the Funder the Conversion Amount, provided that this requirement shall not apply if, after the Funder has made Claims Payments in an aggregate amount equal to the Maximum Investment Amount, the Funder does not exercise its option to provide &lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;Follow-On&amp;#160;Funding.&lt;/div&gt; &lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;In the event of any receipt of proceeds resulting from the Subject Claim&amp;#160;(&amp;#8220;Proceeds&amp;#8221;), the Funder shall be entitled to any additional sums above the Conversion Amount to which the Funder is entitled as described below. Should the Claimholder cease the Subject Claim as described above after Self-Funding the Claim, accrued IRR and Penalty Interest shall be calculated and paid to the Funder as set forth above. The Funder&amp;#8217;s rights to the Recovery Percentage as defined below shall survive any decision by Claimholder to utilize Self-Funding. The parties acknowledge this Agreement constitutes a sale of the right to a portion of the Proceeds (if any) arising from the Subject Claim as set forth in this Agreement. The Claimholder has relinquished its right to the portion of the proceeds, if any, that the Funder would have the right to as described below. This sale of proceeds is being accounted for under the guidance of ASC &lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;470-10-25&lt;/div&gt;&lt;/div&gt; &lt;div style="font-style:italic;display:inline;;font-style:italic;display:inline;"&gt;Recognition (Sales of Future Revenues)&lt;/div&gt; &lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;On each Distribution Date, distributions of the Proceeds shall be made to the Claimholder and the Funder in accordance with subparagraph (a)&amp;#160;or (b)&amp;#160;below (the &amp;#8220;Recovery Percentage&amp;#8221;), as applicable: &lt;/div&gt;&lt;/div&gt; &lt;div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"&gt;&lt;div style="font-size: 6pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&amp;#160;&lt;/div&gt;&lt;/div&gt; &lt;table border="0" cellpadding="0" cellspacing="0" style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; border-collapse: collapse; border-spacing: 0px;;width:100%;"&gt;&lt;tr style="page-break-inside: avoid;"&gt;&lt;td style="width:4%;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align:left;;vertical-align:top;;width:5%;"&gt;(a)&lt;/td&gt;&lt;td style="text-align:left;;vertical-align:top;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; line-height: normal;;text-align:left;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;If the Claimholder receives only the Phase I Investment Amount from the Funder, the first Proceeds shall be distributed as follows: &lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px; background: none;"&gt;&lt;/div&gt; &lt;div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"&gt;&lt;div style="font-size: 6pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&amp;#160;&lt;/div&gt;&lt;/div&gt; &lt;table border="0" cellpadding="0" cellspacing="0" style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; border-collapse: collapse; border-spacing: 0px;;width:100%;"&gt;&lt;tr style="page-break-inside: avoid;"&gt;&lt;td style="width:9%;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align:left;;vertical-align:top;;width:4%;"&gt;(i)&lt;/td&gt;&lt;td style="text-align:left;;vertical-align:top;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; line-height: normal;;text-align:left;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;first, 100.0% to the Funder, until the cumulative amount distributed to the Funder equals the total Claims Payments paid by the Funder under Phase&amp;#160;I; &lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px; background: none;"&gt;&lt;/div&gt; &lt;div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"&gt;&lt;div style="font-size: 6pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&amp;#160;&lt;/div&gt;&lt;/div&gt; &lt;table border="0" cellpadding="0" cellspacing="0" style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; border-collapse: collapse; border-spacing: 0px;;width:100%;"&gt;&lt;tr style="page-break-inside: avoid;"&gt;&lt;td style="width:9%;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align:left;;vertical-align:top;;width:4%;"&gt;(ii)&lt;/td&gt;&lt;td style="text-align:left;;vertical-align:top;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; line-height: normal;;text-align:left;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;second, 100.0% to the Funder until the cumulative amount distributed to the Funder equals an IRR of 20% of Claims Payments paid by the Funder under Phase I (&amp;#8220;Phase I Compensation&amp;#8221;), per annum; and &lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px; background: none;"&gt;&lt;/div&gt; &lt;div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"&gt;&lt;div style="font-size: 6pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&amp;#160;&lt;/div&gt;&lt;/div&gt; &lt;table border="0" cellpadding="0" cellspacing="0" style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; border-collapse: collapse; border-spacing: 0px;;width:100%;"&gt;&lt;tr style="page-break-inside: avoid;"&gt;&lt;td style="width:9%;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align:left;;vertical-align:top;;width:4%;"&gt;(iii)&lt;/td&gt;&lt;td style="text-align:left;;vertical-align:top;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; line-height: normal;;text-align:left;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;thereafter, 100.0% to the Claimholder. &lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px; background: none;"&gt;&lt;/div&gt; &lt;div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"&gt;&lt;div style="font-size: 6pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&amp;#160;&lt;/div&gt;&lt;/div&gt; &lt;table border="0" cellpadding="0" cellspacing="0" style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; border-collapse: collapse; border-spacing: 0px;;width:100%;"&gt;&lt;tr style="page-break-inside: avoid;"&gt;&lt;td style="width: 9%;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="width: 4%;;text-align:left;;vertical-align:top;"&gt;(b)&lt;/td&gt;&lt;td style="width: 0%;;text-align:left;;vertical-align:top;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; line-height: normal;;text-align:left;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;If the Claimholder exercises its options to receive Tranche A or both Tranche A and Tranche B of the Phase II Investment Amount, the first Proceeds shall be distributed as follows: &lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px; background: none;"&gt;&lt;/div&gt; &lt;div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"&gt;&lt;div style="font-size: 6pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&amp;#160;&lt;/div&gt;&lt;/div&gt; &lt;table border="0" cellpadding="0" cellspacing="0" style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; border-collapse: collapse; border-spacing: 0px;;width:100%;"&gt;&lt;tr style="page-break-inside: avoid;"&gt;&lt;td style="width: 13%;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="width: 5%;;text-align:left;;vertical-align:top;"&gt;(i)&lt;/td&gt;&lt;td style="width: 0%;;text-align:left;;vertical-align:top;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; line-height: normal;;text-align:left;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;first, 100.0% to the Funder until the cumulative amount distributed to the Funder equals the total Claims Payments paid by the Funder under Phases I and II; &lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px; background: none;"&gt;&lt;/div&gt; &lt;div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"&gt;&lt;div style="font-size: 6pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&amp;#160;&lt;/div&gt;&lt;/div&gt; &lt;table border="0" cellpadding="0" cellspacing="0" style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; border-collapse: collapse; border-spacing: 0px;;width:100%;"&gt;&lt;tr style="page-break-inside: avoid;"&gt;&lt;td style="width: 13%;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="width: 5%;;text-align:left;;vertical-align:top;"&gt;(ii)&lt;/td&gt;&lt;td style="width: 0%;;text-align:left;;vertical-align:top;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; line-height: normal;;text-align:left;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;second, 100.0% to the Funder until the cumulative amount distributed to the Funder equals an additional 300.0% of Phase I Investment Amount; plus an additional 300% of the Tranche A Committed Amount (i.e. 300.0% of $3.5 million), less any amounts remaining of the Tranche A Committed Amount that the Funder did not pay as Claims Payments; plus an additional 300.0% of the Tranche B Committed Amount (i.e. 300.0% of $1.5 million), if the Claimholder exercises the Tranche B funding option, less any amounts remaining of the Tranche B Committed Amount that the Funder did not pay as Claims Payments; &lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px; background: none;"&gt;&lt;/div&gt; &lt;div style="font-size: 1px; margin-top: 6px; margin-bottom: 0px;"&gt;&lt;div style="font-size: 1px; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&amp;#160;&lt;/div&gt;&lt;/div&gt; &lt;table border="0" cellpadding="0" cellspacing="0" style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; border-collapse: collapse; border-spacing: 0px;;width:100%;"&gt;&lt;tr style="page-break-inside: avoid;"&gt;&lt;td style="width: 13%;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="width: 5%;;text-align:left;;vertical-align:top;"&gt;(iii)&lt;/td&gt;&lt;td style="width: 0%;;text-align:left;;vertical-align:top;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; line-height: normal;;text-align:left;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;third, for each $10,000 in specified fees and expenses paid by the Funder under Phase I and Phase II and any amounts over each $10,000 of the Tranche A Committed Amount and the Tranche B Committed Amount (if the Claimholder exercises the Tranche B funding option), 0.01% of the total Proceeds from any recoveries after repayment of (i)&amp;#160;and (ii)&amp;#160;above, to the Funder; and &lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px; background: none;"&gt;&lt;/div&gt; &lt;div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"&gt;&lt;div style="font-size: 6pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&amp;#160;&lt;/div&gt;&lt;/div&gt; &lt;table border="0" cellpadding="0" cellspacing="0" style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; border-collapse: collapse; border-spacing: 0px;;width:100%;"&gt;&lt;tr style="page-break-inside: avoid;"&gt;&lt;td style="width: 13%;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="width: 5%;;text-align:left;;vertical-align:top;"&gt;(iv)&lt;/td&gt;&lt;td style="width: 0%;;text-align:left;;vertical-align:top;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; line-height: normal;;text-align:left;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;thereafter, 100% to the Claimholder. &lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px; background: none;"&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;The Agreement provides that if no Proceeds are ever paid to or received by the Claimholder or its representatives and if the environmental permit is not issued, the Funder shall have no right of recourse or right of action against the Claimholder or its representatives, or any of their respective property, assets, or undertakings, except as otherwise specifically contemplated by the Agreement. If (a)&amp;#160;Proceeds are paid to or received by the Claimholder or its representatives; (b)&amp;#160;such Proceeds are promptly applied and/or distributed by the Claimholder or on behalf of the Claimholder in accordance with the terms of the Agreement; and (c)&amp;#160;the amount received by the Funder as a result thereof is not sufficient to pay all of the Recovery Percentage and all of the amounts due to the Funder under the Agreement, then (provided that all of the Proceeds which the Funder will ever be entitled to have been paid to or received by the Funder), the Funder shall have no right of recourse or action against the Claimholder or its Representatives, or any of their property, assets, or undertakings, except as otherwise specifically contemplated by the Agreement. Pursuant to the Agreement, the Claimholder acknowledged the Funder&amp;#8217;s priority right, title, and interest in any Proceeds, including against any available collateral to secure its obligations under the Agreement, which security interest shall be first in priority as against all other security interests in the Proceeds. The Claimholder also acknowledged and agreed to execute and authorize the filing of a financing statement or similar and to take such other actions in such jurisdictions as the Funder, in its sole discretion, deems necessary and appropriate to perfect such security interest. The Agreement also includes representations and warranties, covenants, conditions, termination and indemnification provisions, and other provisions customary for comparable arrangements. &lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;&lt;div style="font-style:italic;display:inline;;font-style:italic;display:inline;"&gt;Amendment and Restatement (January 31, 2020) &lt;/div&gt;&lt;/div&gt;&lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;On January&amp;#160;31, 2020, the Claimholder and the Funder entered into an Amended and Restated International Claims Enforcement Agreement (the &amp;#8220;Restated Agreement&amp;#8221;). The material terms and provisions that were amended or otherwise modified are as follows: &lt;/div&gt;&lt;/div&gt; &lt;div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"&gt;&lt;div style="font-size: 6pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&amp;#160;&lt;/div&gt;&lt;/div&gt; &lt;table border="0" cellpadding="0" cellspacing="0" style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; border-collapse: collapse; border-spacing: 0px;;width:100%;"&gt;&lt;tr style="page-break-inside: avoid;"&gt;&lt;td style="width:4%;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align:left;;vertical-align:top;;width:4%;"&gt;&amp;#8226;&lt;/td&gt;&lt;td style="vertical-align:top;;width:1%;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align:left;;vertical-align:top;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; line-height: normal;;text-align:left;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;The Funder agreed to provide up to $2.2&amp;#160;million in Arbitration Support Funds for the purpose of paying the Claimholder&amp;#8217;s litigation support costs in connection with Subject Claim; &lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px; background: none;"&gt;&lt;/div&gt; &lt;div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"&gt;&lt;div style="font-size: 6pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&amp;#160;&lt;/div&gt;&lt;/div&gt; &lt;table border="0" cellpadding="0" cellspacing="0" style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; border-collapse: collapse; border-spacing: 0px;;width:100%;"&gt;&lt;tr style="page-break-inside: avoid;"&gt;&lt;td style="width:4%;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align:left;;vertical-align:top;;width:4%;"&gt;&amp;#8226;&lt;/td&gt;&lt;td style="vertical-align:top;;width:1%;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align:left;;vertical-align:top;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; line-height: normal;;text-align:left;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;A closing fee of $200,000 has been retained by the Funder in connection with due diligence and other transaction costs incurred by the Funder; &lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px; background: none;"&gt;&lt;/div&gt; &lt;div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"&gt;&lt;div style="font-size: 6pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&amp;#160;&lt;/div&gt;&lt;/div&gt; &lt;table border="0" cellpadding="0" cellspacing="0" style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; border-collapse: collapse; border-spacing: 0px;;width:100%;"&gt;&lt;tr style="page-break-inside: avoid;"&gt;&lt;td style="width:4%;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align:left;;vertical-align:top;;width:4%;"&gt;&amp;#8226;&lt;/td&gt;&lt;td style="vertical-align:top;;width:1%;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align:left;;vertical-align:top;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; line-height: normal;;text-align:left;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;A warrant was issued to purchase our common stock which is exercisable for a period of five years beginning on the earlier of (a)&amp;#160;the date on which the Claimholder ceases the Subject Claim for any reason other than a full and final arbitral award against the Claimholder or a full and final monetary settlement of the claims or (b)&amp;#160;the date on which Proceeds are received and deposited into escrow. The exercise price per share is $3.99, and the Funder can exercise the warrant to purchase the number of shares of our common stock equal to the dollar amount of Arbitration Support Funds provided to us pursuant to the Restated Agreement divided by the exercise price per share (subject to customary adjustments and limitations); and &lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px; background: none;"&gt;&lt;/div&gt; &lt;div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"&gt;&lt;div style="font-size: 6pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&amp;#160;&lt;/div&gt;&lt;/div&gt; &lt;table border="0" cellpadding="0" cellspacing="0" style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; border-collapse: collapse; border-spacing: 0px;;width:100%;"&gt;&lt;tr style="page-break-inside: avoid;"&gt;&lt;td style="width:4%;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align:left;;vertical-align:top;;width:4%;"&gt;&amp;#8226;&lt;/td&gt;&lt;td style="vertical-align:top;;width:1%;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="text-align:left;;vertical-align:top;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; line-height: normal;;text-align:left;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;All other terms in the Restated Agreement are substantially the same as in the original Agreement. &lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px; background: none;"&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;During 2020, the Funder provided us with $2.0&amp;#160;million of the Arbitration Support Funds, and we incurred $200,000 in related fees that were treated as an additional advance. Upon each funding, the proceeds were allocated between debt and equity for the warrants based on the relative fair value of the two instruments. As a result, there was a debt discount of $1,063,811 which is being amortized over the expected remaining term of the agreement using the effective interest method which is charged to interest expense. &lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;Although the warrants only become exercisable upon the occurrence of future events, they are considered issued for accounting purposes and were valued using a binomial lattice model. The expected volatility assumption was based on the historical volatility of our common stock. The expected life assumption was primarily based on management&amp;#8217;s expectations of when the Warrants will become exercisable and the risk-free interest rate for the expected term of the warrant is based on the U.S. Treasury yield curve in effect at the time of measurement. &lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;&lt;div style="font-style:italic;display:inline;;font-style:italic;display:inline;"&gt;Second Amendment and Restatement (December 12, 2020) &lt;/div&gt;&lt;/div&gt;&lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;On December&amp;#160;12, 2020, the Claimholder and the Funder entered into a Second Amended and Restated International Claims Enforcement Agreement (the &amp;#8220;Second Restated Agreement&amp;#8221;) relating to the Subject Claim. Under the terms of the Second Restated Agreement, the Funder has made and agreed to make Claims Payments in an aggregate amount not to exceed $20,000,000 (the &amp;#8220;Maximum Investment Amount&amp;#8221;). The Second Restated Agreement requires the Funder to make Claims Payments in an aggregate amount no greater than $10,000,000 for the purposes of pursuing the Subject Claim to a final award (&amp;#8220;Phase&amp;#160;III Investment Amount&amp;#8221;). We also incurred $200,000 in related fees which were treated as an additional advance. This Second Restated Agreement includes the same representations and warranties, covenants, conditions, termination and indemnification provisions, and other provisions as in the original agreement. &lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;For the three months ended March&amp;#160;31, 2021 and 2020, interest expense in the amount of $1,505,032 and $591,871, respectively, was recorded. For the three months ended March&amp;#160;31, 2021 and 2&lt;div style="letter-spacing: 0px; top: 0px;;display:inline;"&gt;02&lt;/div&gt;0, we recorded $50,479 and $16,716, respectively, of interest expense from the amortization of the debt discount and $28,982 and $8,511 interest from the fee amortization, respectively. The March&amp;#160;31, 2021 &lt;div style="letter-spacing: 0px; top: 0px;;display:inline;"&gt;and December 31,2020 carrying value of the debt&amp;#160;&lt;/div&gt;is $11,625,729 &lt;div style="letter-spacing: 0px; top: 0px;;display:inline;"&gt;and $10,968,729, respectively, and is net of&lt;/div&gt; unamortized debt fees of $318,804 &lt;div style="letter-spacing: 0px; top: 0px;;display:inline;"&gt;and $347,786, respectively, as well as the net unamortized&lt;/div&gt;&amp;#160;debt discount of $840,484&lt;div style="letter-spacing: 0px; top: 0px;;display:inline;"&gt;&amp;#160;and $890,962, respectively, associated with the fair value of the warrant. The total&amp;#160;&lt;/div&gt;face value of this obligation at March&amp;#160;31, 2021 and December&amp;#160;31, 2020 was $12,785,016 and 12,207,477, respectively. &lt;/div&gt;&lt;/div&gt; &lt;div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;Note 10 &amp;#8211; Payroll protection program &lt;/div&gt;&lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;We applied to Fifth Third Bancorp (&amp;#8220;Fifth Third&amp;#8221;) under the Small Business Administration (the &amp;#8220;SBA&amp;#8221;) Paycheck Protection Program of the Coronavirus Aid, Relief and Economic Security Act of 2020 (the &amp;#8220;CARES Act&amp;#8221;) for a loan of $370,400 (the &amp;#8220;Loan&amp;#8221;), and the Loan was made on April&amp;#160;16, 2020. The proceeds of the Loan were used to cover payroll costs, rent and utilities in accordance with the relevant terms and conditions of the CARES Act. &lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;The Loan, which is evidenced by promissory note issued by us (the &amp;#8220;Promissory Note&amp;#8221;), has &lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;a&amp;#160;two-year&amp;#160;term,&lt;/div&gt; matures on April&amp;#160;16, 2022, and bears interest at a rate of 0.98% per annum. Monthly principal and interest payments, less the amount of any potential forgiveness (discussed below), will commence seven months from the month this Note is dated. We did not provide any collateral or guarantees for the Loan, nor did we pay any facility charge to obtain the Loan. The Promissory Note provides for customary events of default, including, among others, those relating to failure to make payment, bankruptcy, breaches of representations and material adverse effects. Odyssey may prepay the principal of the Loan at any time without incurring any prepayment charges. For the three months ended March&amp;#160;31, 2021, we recorded interest expense in the amount of $941. &lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;The Loan may be forgiven partially or fully if the Loan proceeds are used for covered payroll costs, rent and utilities, provided that such amounts are incurred during the eight-week period that commenced on April&amp;#160;16, 2020, and at least 75% of any forgiven amount has been used for covered payroll costs. During June 2020, the 75% requirement was reduced to 60% and the eight-week period was amended to a 24 week period. Any forgiveness of the Loan will be subject to approval by the SBA and Fifth Third and will require us to apply for such treatment. We applied for 100% forgiveness with Fifth Third Bank during March 2021. &lt;/div&gt;&lt;/div&gt; &lt;div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;Note 11 &amp;#8211; Emergency Injury Disaster Loan &lt;/div&gt;&lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;On June&amp;#160;26, 2020, we executed the standard loan documents required for securing an Economic Injury Disaster Loan (the &amp;#8220;EIDL Loan&amp;#8221;) from the United States Small Business Administration (the &amp;#8220;SBA&amp;#8221;). The principal amount of the&amp;#160;EIDL Loan is $149,900, with proceeds to be used for working capital purposes. Interest on the&amp;#160;EIDL Loan accrues at the rate of 3.75% per annum and installment payments, including principal and interest of $731, are due monthly beginning twelve months from the date of the&amp;#160;EIDL Loan. The balance of principal and interest is payable thirty years from the date of the promissory note. In connection with the&amp;#160;EIDL Loan, the Company executed the&amp;#160;EIDL Loan documents, which include the SBA Secured Disaster Loan Note, dated May&amp;#160;16, 2020, the Loan Authorization and Agreement, dated May&amp;#160;16, 2020, and the Security Agreement, dated May&amp;#160;16, 2020, each between the SBA and the Company. &lt;/div&gt;&lt;/div&gt; &lt;div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;Note 12 &amp;#8211; Vendor note payable &lt;/div&gt;&lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;We currently owe a vendor $484,009&amp;#160;as an interest-bearing trade payable. This trade payable bears simple annual interest&lt;div style="letter-spacing: 0px; top: 0px;;display:inline;"&gt;&amp;#160;at a&lt;/div&gt; rate of 12%. As collateral, &lt;div style="letter-spacing: 0px; top: 0px;;display:inline;"&gt;we granted the vendor a primary lien&lt;/div&gt;&amp;#160;on certain of our equipment. The carrying value of this equipment is zero. This agreement matured in Augus&lt;div style="display:inline;"&gt;t&lt;/div&gt;&amp;#160;2018. During the period ended June&amp;#160;30, 2018, we sold various marine equipment to Magellan for $1.0&amp;#160;&lt;div style="letter-spacing: 0px; top: 0px;;display:inline;"&gt;million and the assumption of this vendor&amp;#8217;s trade payable and accrued interest, however, we remain as guarantor on this trade payable. Included in this equipment is the equipment noted above the vendor has a primary lien on. The vendor consented to Magellan&amp;#8217;s assumption of this debt but did not release us from our obligations. If Magellan defaults and the vendor forecloses on this equipment currently in Magellan&amp;#8217;s possession, we would then have a contingent liability to Magellan in the amount of&amp;#160;&lt;/div&gt; $0.5&amp;#160;million for two of the key assets. For the three months ended March&amp;#160;31, 2021 and 2020, &lt;/div&gt;&lt;div style="letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;we recorded interest expense in the amount of &lt;/div&gt;&lt;/div&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt; $14,321 and $14,480, respectively. &lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0px; margin-bottom: 0px; line-height: 12pt;"&gt;&amp;#160;&lt;/div&gt; &lt;table border="0" style="width:100%; table-layout:fixed;" cellspacing="0" cellpadding="0"&gt;&lt;tr&gt;&lt;td&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;</omex:LoansPayableTextBlock>
<us-gaap:ScheduleOfDebtInstrumentsTextBlock id="Factid_20820537" contextRef="P01_01_2021To03_31_2021">&lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;The Company&amp;#8217;s consolidated notes payable consisted of the following carrying values at: &lt;/div&gt;&lt;/div&gt; &lt;div style="font-size: 12pt; margin-top: 0pt; margin-bottom: 0pt;"&gt;&lt;div style="font-size: 12pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&amp;#160;&lt;/div&gt;&lt;/div&gt; &lt;table border="0" cellpadding="0" cellspacing="0" style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; border-collapse: collapse; border-spacing: 0px;;margin : 0px auto;;text-align:left;;width:76%;"&gt;&lt;tr style="font-size: 0px;"&gt;&lt;td style="width:68%;"&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;;width:5%;"&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;;width:5%;"&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 8pt; page-break-inside: avoid;"&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td colspan="2" style="border-bottom-color: rgb(0, 0, 0); border-bottom-width: 1pt; border-bottom-style: solid;;text-align:center;;vertical-align:bottom;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;March&amp;#160;31,&amp;#160;2021&lt;/div&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td colspan="2" style="border-bottom-color: rgb(0, 0, 0); border-bottom-width: 1pt; border-bottom-style: solid;;text-align:center;;vertical-align:bottom;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;December&amp;#160;31,&amp;#160;2020&lt;/div&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px; background-color: rgb(204, 238, 255);;display:inline;"&gt;Note 1 &amp;#8211; Monaco 2014&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;2,800,000&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;2,800,000&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;Note 2 &amp;#8211; Monaco 2016&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;1,175,000&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;1,175,000&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px; background-color: rgb(204, 238, 255);;display:inline;"&gt;Note 3 &amp;#8211; MINOSA 1&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;14,750,001&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;14,750,001&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;Note 4 &amp;#8211; Epsilon&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;&amp;#8212; &lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;1,000,000&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px; background-color: rgb(204, 238, 255);;display:inline;"&gt;Note 5 &amp;#8211; SMOM&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;3,500,000&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;3,500,000&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;Note 6 &amp;#8211; MINOSA 2&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;5,050,000&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;5,050,000&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px; background-color: rgb(204, 238, 255);;display:inline;"&gt;Note 7 &amp;#8211; Monaco 2018&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;1,099,366&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;1,099,366 &lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;Note 8 &amp;#8211; Promissory note&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;1,150,180&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;1,245,863&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px; background-color: rgb(204, 238, 255);;display:inline;"&gt;Note 9 &amp;#8211; Litigation financing&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;11,625,729&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;10,968,729&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;Note 10 &amp;#8211; Payroll Protection Program&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;370,400&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;370,400&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px; background-color: rgb(204, 238, 255);;display:inline;"&gt;Note 11 &amp;#8211; Emergency Injury Disaster Loan&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;149,900&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;149,900&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;Note 12 &amp;#8211; Vendor note payable&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;484,009&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;484,009&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-size: 1px;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255);;vertical-align:top;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;42,154,585&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;42,593,268&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-size: 1px;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;table border="0" style="width:100%; table-layout:fixed;" cellspacing="0" cellpadding="0"&gt;&lt;tr&gt;&lt;td&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;</us-gaap:ScheduleOfDebtInstrumentsTextBlock>
<omex:ScheduleOfAllocationOfCashProceedsToDerivativeComponentsAtTheirFairValuesTableTextBlock id="Factid_20820540" contextRef="P01_01_2021To03_31_2021">The allocations of the three additional tranches were as follows.&lt;table border="0" style="width:100%; table-layout:fixed;" cellspacing="0" cellpadding="0"&gt;&lt;tr&gt;&lt;td&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;table border="0" cellpadding="0" cellspacing="0" style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; border-collapse: collapse; border-spacing: 0px;;margin : 0px auto;;text-align:left;;width:84%;"&gt;&lt;tr style="font-size: 0px;"&gt;&lt;td style="width:64%;"&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;;width:3%;"&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;;width:3%;"&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;;width:3%;"&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 8pt; page-break-inside: avoid;"&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td colspan="2" style="border-bottom-color: rgb(0, 0, 0); border-bottom-width: 1pt; border-bottom-style: solid;;text-align:center;;vertical-align:bottom;"&gt;Tranche 3&lt;/td&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td colspan="2" style="border-bottom-color: rgb(0, 0, 0); border-bottom-width: 1pt; border-bottom-style: solid;;text-align:center;;vertical-align:bottom;"&gt;Tranche 4&lt;/td&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td colspan="2" style="border-bottom-color: rgb(0, 0, 0); border-bottom-width: 1pt; border-bottom-style: solid;;text-align:center;;vertical-align:bottom;"&gt;Tranche 5&lt;/td&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px; background-color: rgb(204, 238, 255);;display:inline;"&gt;Promissory Note&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;981,796&lt;/td&gt;&lt;td style="white-space: nowrap; font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;939,935&lt;/td&gt;&lt;td style="white-space: nowrap; font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;1,000,000&lt;/td&gt;&lt;td style="white-space: nowrap; font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;Beneficial Conversion Feature (&amp;#8220;BCF&amp;#8221;)*&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;18,204&lt;/td&gt;&lt;td style="white-space: nowrap; font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;60,065&lt;/td&gt;&lt;td style="white-space: nowrap; font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;&amp;#8212;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-size: 1px;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px; background-color: rgb(204, 238, 255);;display:inline;"&gt;Proceeds&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;1,000,000&lt;/td&gt;&lt;td style="white-space: nowrap; font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;1,000,000&lt;/td&gt;&lt;td style="white-space: nowrap; font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;1,000,000&lt;/td&gt;&lt;td style="white-space: nowrap; font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-size: 1px;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;table border="0" style="width:100%; table-layout:fixed;" cellspacing="0" cellpadding="0"&gt;&lt;tr&gt;&lt;td&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;</omex:ScheduleOfAllocationOfCashProceedsToDerivativeComponentsAtTheirFairValuesTableTextBlock>
<us-gaap:DebtInstrumentDescription id="Factid_20826917" contextRef="P01_01_2021To03_31_2021_LoanModificationMemberusgaapLongtermDebtTypeAxis_TrancheOneMemberusgaapDebtInstrumentAxis">Monaco agreed to cease interest as of December 10, 2015 and reduce the loan balance by (i) the cash or other value received from the SS Central America shipwreck project (&amp;#8220;SSCA&amp;#8221;) or (ii) if the proceeds received from the SSCA project were insufficient to pay off the loan balance by December 31, 2017, then Monaco could seek repayment of the remaining outstanding balance on the loan by withholding Odyssey&amp;#8217;s 21.25% &amp;#8220;additional consideration&amp;#8221; in new shipwreck projects performed for Monaco in the future.</us-gaap:DebtInstrumentDescription>
<omex:DiscriptionOfConditionsForDistributionOfProceedsToTheClaimholderAndFunder id="Factid_20827119" contextRef="P06_14_2019To06_14_2019_PendingLitigationMemberusgaapLitigationStatusAxis_PhaseOneMemberOMEXPhasesAxis_ProceedsOneMemberOMEXProceedsAxis">first, 100.0% to the Funder, until the cumulative amount distributed to the Funder equals the total Claims Payments paid by the Funder under Phase I;</omex:DiscriptionOfConditionsForDistributionOfProceedsToTheClaimholderAndFunder>
<omex:DiscriptionOfConditionsForDistributionOfProceedsToTheClaimholderAndFunder id="Factid_20827120" contextRef="P06_14_2019To06_14_2019_PendingLitigationMemberusgaapLitigationStatusAxis_PhaseOneMemberOMEXPhasesAxis_ProceedsTwoMemberOMEXProceedsAxis">second, 100.0% to the Funder until the cumulative amount distributed to the Funder equals an IRR of 20% of Claims Payments paid by the Funder under Phase I (&amp;#8220;Phase I Compensation&amp;#8221;), per annum; and</omex:DiscriptionOfConditionsForDistributionOfProceedsToTheClaimholderAndFunder>
<omex:DiscriptionOfConditionsForDistributionOfProceedsToTheClaimholderAndFunder id="Factid_20827121" contextRef="P06_14_2019To06_14_2019_PendingLitigationMemberusgaapLitigationStatusAxis_PhaseOneMemberOMEXPhasesAxis_ProceedsThreeMemberOMEXProceedsAxis">thereafter, 100.0% to the Claimholder.</omex:DiscriptionOfConditionsForDistributionOfProceedsToTheClaimholderAndFunder>
<omex:DiscriptionOfConditionsForDistributionOfProceedsToTheClaimholderAndFunder id="Factid_20827161" contextRef="P06_14_2019To06_14_2019_PendingLitigationMemberusgaapLitigationStatusAxis_PhaseTwoMemberOMEXPhasesAxis_ProceedsOneMemberOMEXProceedsAxis">first, 100.0% to the Funder until the cumulative amount distributed to the Funder equals the total Claims Payments paid by the Funder under Phases I and II;</omex:DiscriptionOfConditionsForDistributionOfProceedsToTheClaimholderAndFunder>
<omex:DiscriptionOfConditionsForDistributionOfProceedsToTheClaimholderAndFunder id="Factid_20827162" contextRef="P06_14_2019To06_14_2019_PendingLitigationMemberusgaapLitigationStatusAxis_PhaseTwoMemberOMEXPhasesAxis_ProceedsTwoMemberOMEXProceedsAxis">second, 100.0% to the Funder until the cumulative amount distributed to the Funder equals an additional 300.0% of Phase I Investment Amount; plus an additional 300% of the Tranche A Committed Amount (i.e. 300.0% of $3.5 million), less any amounts remaining of the Tranche A Committed Amount that the Funder did not pay as Claims Payments; plus an additional 300.0% of the Tranche B Committed Amount (i.e. 300.0% of $1.5 million), if the Claimholder exercises the Tranche B funding option, less any amounts remaining of the Tranche B Committed Amount that the Funder did not pay as Claims Payments;</omex:DiscriptionOfConditionsForDistributionOfProceedsToTheClaimholderAndFunder>
<omex:DiscriptionOfConditionsForDistributionOfProceedsToTheClaimholderAndFunder id="Factid_20827163" contextRef="P06_14_2019To06_14_2019_PendingLitigationMemberusgaapLitigationStatusAxis_PhaseTwoMemberOMEXPhasesAxis_ProceedsThreeMemberOMEXProceedsAxis">third, for each $10,000 in specified fees and expenses paid by the Funder under Phase I and Phase II and any amounts over each $10,000 of the Tranche A Committed Amount and the Tranche B Committed Amount (if the Claimholder exercises the Tranche B funding option), 0.01% of the total Proceeds from any recoveries after repayment of (i) and (ii) above, to the Funder; and</omex:DiscriptionOfConditionsForDistributionOfProceedsToTheClaimholderAndFunder>
<omex:DiscriptionOfConditionsForDistributionOfProceedsToTheClaimholderAndFunder id="Factid_20827164" contextRef="P06_14_2019To06_14_2019_PendingLitigationMemberusgaapLitigationStatusAxis_PhaseTwoMemberOMEXPhasesAxis_ProceedsFourMemberOMEXProceedsAxis">thereafter, 100% to the Claimholder.</omex:DiscriptionOfConditionsForDistributionOfProceedsToTheClaimholderAndFunder>
<us-gaap:ExtinguishmentOfDebtAmount id="Factid_20827519" contextRef="P01_01_2020To01_31_2020_AmendedAndRestatedInternationalClaimsEnforcementAgreementMemberusgaapTypeOfArrangementAxis" unitRef="Unit_USD" decimals="-5">2200000</us-gaap:ExtinguishmentOfDebtAmount>
<omex:AmountRetainedByTheLenderInConnectionWithDueDiligence id="Factid_20827520" contextRef="P01_01_2020To01_31_2020_AmendedAndRestatedInternationalClaimsEnforcementAgreementMemberusgaapTypeOfArrangementAxis" unitRef="Unit_USD" decimals="0">200000</omex:AmountRetainedByTheLenderInConnectionWithDueDiligence>
<us-gaap:CommonStockParOrStatedValuePerShare id="Factid_20827521" contextRef="PAsOn01_31_2020_AmendedAndRestatedInternationalClaimsEnforcementAgreementMemberusgaapTypeOfArrangementAxis" unitRef="Unit_USD_per_Share" decimals="2">3.99</us-gaap:CommonStockParOrStatedValuePerShare>
<omex:ClaimsAmountAgreedToBeFinancedInConnectionWithLitigationToBeSettled id="Factid_20827522" contextRef="P06_14_2019To06_14_2019_PendingLitigationMemberusgaapLitigationStatusAxis_PhaseOneMemberOMEXPhasesAxis_PoplarFallsLlcMemberOMEXFunderAxis" unitRef="Unit_USD" decimals="0">1500000</omex:ClaimsAmountAgreedToBeFinancedInConnectionWithLitigationToBeSettled>
<omex:ClaimsAmountAgreedToBeFinancedInConnectionWithLitigationToBeSettled id="Factid_20827523" contextRef="P06_14_2019To06_14_2019_PendingLitigationMemberusgaapLitigationStatusAxis_PhaseTwoMemberOMEXPhasesAxis_PoplarFallsLlcMemberOMEXFunderAxis" unitRef="Unit_USD" decimals="0">5000000</omex:ClaimsAmountAgreedToBeFinancedInConnectionWithLitigationToBeSettled>
<us-gaap:CommitmentsAndContingenciesDisclosureTextBlock id="Factid_20827527" contextRef="P01_01_2021To03_31_2021">&lt;div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;NOTE H &amp;#8211; COMMITMENTS AND CONTINGENCIES &lt;/div&gt;&lt;/div&gt;&lt;/div&gt; &lt;div style="font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;Legal Proceedings &lt;/div&gt;&lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;The Company may be subject to a variety of claims and suits that arise from time to time in the ordinary course of business. We are not a party to any litigation as a defendant where a loss contingency is required to be reflected in our consolidated financial statements. &lt;/div&gt;&lt;/div&gt; &lt;div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;Contingency &lt;/div&gt;&lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;During March 2016, our Board of Directors approved the grant and issuance of 3.0&amp;#160;million new equity shares of Oceanica Resources, S.R.L. (&amp;#8220;Oceanica&amp;#8221;) to two attorneys for their future services. This equity would only be issuable upon the Mexican&amp;#8217;s government approval and issuance of the Environmental Impact Assessment (&amp;#8220;EIA&amp;#8221;) for our Mexican subsidiary. All possible grants of new equity shares were approved by the Administrators of Oceanica. We also owe consultants contingent success fees of up to $700,000 upon the approval and issuance of the EIA. The EIA has not been approved as of the date of this report. &lt;/div&gt;&lt;/div&gt; &lt;div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;Going Concern Consideration &lt;/div&gt;&lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;We have experienced several years of net losses and may continue to do so. Our ability to generate net income or positive cash flows for the following twelve months is dependent upon financings, our success in developing and monetizing our interests in mineral exploration entities, generating income from exploration charters, collecting on amounts owed to us, &lt;/div&gt;&lt;div style="letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;or&lt;/div&gt;&lt;/div&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt; completing the MINOSA/Penelope equity financing transaction approved by our stockholders on June&amp;#160;9, 2015. &lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;Our 2021 business plan &lt;/div&gt;&lt;div style="letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;requires&lt;/div&gt;&lt;/div&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt; us to generate new cash inflows to effectively allow us to perform our planned projects. We continually plan to generate new cash inflows through the monetization of our receivables and equity stakes in seabed mineral companies, financings, syndications or other partnership opportunities. If cash inflow ever becomes insufficient to meet our desired projected business plan requirements, we would be required to follow a contingency business plan &lt;/div&gt;&lt;div style="letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;that&lt;/div&gt;&lt;/div&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt; is based on curtailed expenses and fewer cash requirements. On August&amp;#160;21, 2020, we sold an aggregate of 2,553,314 shares of our common stock and warrants to purchase up to 1,901,989 shares of our common stock. The net proceeds received from this sale, after offering expenses of $0.3&amp;#160;million, were $11.3&amp;#160;million (See NOTE J). These proceeds, coupled with the anticipated cash inflows are expected to provide operating funds through early 2022. &lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;On March&amp;#160;11, 2015, we entered into a Stock Purchase Agreement with Minera del Norte S.A. de c.v. (&amp;#8220;MINOSA&amp;#8221;) and Penelope Mining LLC (&amp;#8220;Penelope&amp;#8221;), an affiliate of MINOSA, pursuant to which (a)&amp;#160;MINOSA agreed to extend short-term, debt financing to Odyssey of up to $14.75&amp;#160;million, and (b)&amp;#160;Penelope agreed to invest up to $101&amp;#160;million over three years in convertible preferred stock of Odyssey. The equity financing is subject to the satisfaction of certain conditions, including the approval of our stockholders which occurred on June&amp;#160;9, 2015, and MINOSA and Penelope are currently under no obligation to make the preferred share equity investments. &lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;Our consolidated &lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;non-restricted&lt;/div&gt; cash balance at March&amp;#160;31, 2021 was $5.2&amp;#160;million. We have a working capital deficit at March&amp;#160;31, 2021 of $49.2&amp;#160;million. Our largest loan of $14.75&amp;#160;million from MINOSA had a due date of December&amp;#160;31, 2017 which is now linked to other stipulations, see NOTE I for further detail. The majority of our remaining assets have been pledged to MINOSA, and its affiliates, and to Monaco Financial LLC, leaving us with few opportunities to raise additional funds from our balance sheet. The total consolidated book value of our assets was approximately $11.0&amp;#160;million at March&amp;#160;31, 2021, which includes cash of $5.2&amp;#160;million, and the fair market value of these assets may differ from their net carrying book value. Even though we executed the above noted financing arrangement with Penelope, Penelope must purchase the shares for us to be able to complete the equity component of the transaction. The Penelope equity transaction is heavily dependent on the outcome of our subsidiary&amp;#8217;s application approval process for an environmental permit (EIA) to commercially develop a mineralized phosphate deposit off the coast of Mexico. The factors noted above raise doubt about our ability to continue as a going concern. These consolidated financial statements do not include any adjustments to the amounts and classification of assets and liabilities that may be necessary should we be unable to continue as a going concern. &lt;/div&gt; &lt;div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;Lease commitment &lt;/div&gt;&lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"&gt;In August 2019, we entered into an operating lease for our corporate office space under a &lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;non-cancellable&lt;/div&gt; lease through August 2024 with monthly payments ranging from $11,789 to $13,269, not including sales tax. The lease provides for annual increases of base rent of 3% until the expiration date. Pursuant to ASC 842, an operating lease right of usage (ROU) asset and liability were recognized in the amount of $590,612 at inception of the lease based on the present value of lease payments over the remaining lease term. The ROU asset represents the Company&amp;#8217;s right to use the underlying office space asset for the lease term, and the lease liability represents the Company&amp;#8217;s obligation to make lease payments arising from the lease. Since the implicit rate of interest in the arrangement was not readily determinable, we utilized our incremental borrowing rate of 10% in determining the present value of lease payments. The operating lease ROU asset includes any lease payments made and excludes lease incentives. &lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;At March&amp;#160;31, 2021, the ROU asset and lease obligation were, $421,397 and $433,145, respectively. &lt;/div&gt;&lt;/div&gt;  &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;The remaining lease payment obligations are as follows: &lt;/div&gt;&lt;/div&gt; &lt;div style="font-size: 12pt; margin-top: 0pt; margin-bottom: 0pt;"&gt;&lt;div style="font-size: 12pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&amp;#160;&lt;/div&gt;&lt;/div&gt; &lt;table border="0" cellpadding="0" cellspacing="0" style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; border-collapse: collapse; border-spacing: 0px;;margin : 0px auto;;text-align:left;;width:68%;"&gt;&lt;tr style="font-size: 0px;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;;width:82%;"&gt;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;;width:10%;"&gt;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;"&gt;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;"&gt;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 8pt; page-break-inside: avoid;"&gt;&lt;td style="white-space: nowrap; padding-bottom: 1pt;;vertical-align:bottom;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 8pt; margin-top: 0pt; margin-bottom: 0pt; border-bottom: 1pt solid rgb(0, 0, 0); display: table-cell; line-height: normal;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;Year ending December&amp;#160;31,&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td colspan="2" style="border-bottom-color: rgb(0, 0, 0); border-bottom-width: 1pt; border-bottom-style: solid;;text-align:center;;vertical-align:bottom;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;Annual&amp;#160;payment&lt;br/&gt;obligation&lt;/div&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="background-color: rgb(204, 238, 255);;text-align:center;;vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal; text-align: left;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px; background-color: rgb(204, 238, 255);;display:inline;"&gt;2021&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;111,109&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="text-align:center;;vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal; text-align: left;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;2022&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;151,965&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="background-color: rgb(204, 238, 255);;text-align:center;;vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal; text-align: left;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px; background-color: rgb(204, 238, 255);;display:inline;"&gt;2023&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;156,524&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="text-align:center;;vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal; text-align: left;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;2024&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;92,884&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-size: 1px;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255);;vertical-align:top;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;512,482&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-size: 1px;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt;  &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;During the third quarter of 2019, we entered into a five-year lease at the location of our corporate office space in Tampa, Florida to support our marine operations. The lease was effective October&amp;#160;1, 2019 and has monthly lease payments ranging from $4,040 to $4,547, not including sales tax, over the five-year term. We are accounting for this lease under ASC 842 which resulted in a right of use asset and lease obligation of $202,424. The discount used in determining the right of use asset was 10%. &lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;At March&amp;#160;31, 2021, the ROU asset and lease obligation were, $150,463 and $154,233, respectively. &lt;/div&gt;&lt;/div&gt; &lt;div style="font-size: 1px; margin-top: 12px; margin-bottom: 0px;"&gt;&lt;div style="font-size: 1px; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&amp;#160;&lt;/div&gt;&lt;/div&gt;  &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;The remaining lease payment obligations are as follows: &lt;/div&gt;&lt;/div&gt; &lt;div style="font-size: 12pt; margin-top: 0pt; margin-bottom: 0pt;"&gt;&lt;div style="font-size: 12pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&amp;#160;&lt;/div&gt;&lt;/div&gt; &lt;table border="0" cellpadding="0" cellspacing="0" style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; border-collapse: collapse; border-spacing: 0px;;margin : 0px auto;;text-align:left;;width:68%;"&gt;&lt;tr style="font-size: 0px;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;;width:82%;"&gt;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;;width:10%;"&gt;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;"&gt;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;"&gt;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 8pt; page-break-inside: avoid;"&gt;&lt;td style="white-space: nowrap; padding-bottom: 1pt;;vertical-align:bottom;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 8pt; margin-top: 0pt; margin-bottom: 0pt; border-bottom: 1pt solid rgb(0, 0, 0); display: table-cell; line-height: normal;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;Year ending December&amp;#160;31,&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td colspan="2" style="border-bottom-color: rgb(0, 0, 0); border-bottom-width: 1pt; border-bottom-style: solid;;text-align:center;;vertical-align:bottom;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;Annual&amp;#160;payment&lt;br/&gt;obligation&lt;/div&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="background-color: rgb(204, 238, 255);;text-align:center;;vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal; text-align: left;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px; background-color: rgb(204, 238, 255);;display:inline;"&gt;2021&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;37,832&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="text-align:center;;vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal; text-align: left;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;2022&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;51,827&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="background-color: rgb(204, 238, 255);;text-align:center;;vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal; text-align: left;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px; background-color: rgb(204, 238, 255);;display:inline;"&gt;2023&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;53,382&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="text-align:center;;vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal; text-align: left;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;2024&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;40,930&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-size: 1px;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255);;vertical-align:top;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;183,971&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-size: 1px;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt;  &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;We have recognized approximately $41,000 and $54,000 in rent expense associated with these leases for the three-month &lt;/div&gt;&lt;div style="letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;periods&lt;/div&gt;&lt;/div&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt; ended March&amp;#160;31, 2021 and 2020, respectively. &lt;/div&gt;&lt;/div&gt; &lt;table border="0" style="width:100%; table-layout:fixed;" cellspacing="0" cellpadding="0"&gt;&lt;tr&gt;&lt;td&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;</us-gaap:CommitmentsAndContingenciesDisclosureTextBlock>
<us-gaap:LessorOperatingLeasePaymentsToBeReceivedMaturityTableTextBlock id="Factid_20827528" contextRef="P01_01_2021To03_31_2021">&lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;The remaining lease payment obligations are as follows: &lt;/div&gt;&lt;/div&gt; &lt;div style="font-size: 12pt; margin-top: 0pt; margin-bottom: 0pt;"&gt;&lt;div style="font-size: 12pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&amp;#160;&lt;/div&gt;&lt;/div&gt; &lt;table border="0" cellpadding="0" cellspacing="0" style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; border-collapse: collapse; border-spacing: 0px;;margin : 0px auto;;text-align:left;;width:68%;"&gt;&lt;tr style="font-size: 0px;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;;width:82%;"&gt;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;;width:10%;"&gt;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;"&gt;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;"&gt;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 8pt; page-break-inside: avoid;"&gt;&lt;td style="white-space: nowrap; padding-bottom: 1pt;;vertical-align:bottom;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 8pt; margin-top: 0pt; margin-bottom: 0pt; border-bottom: 1pt solid rgb(0, 0, 0); display: table-cell; line-height: normal;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;Year ending December&amp;#160;31,&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td colspan="2" style="border-bottom-color: rgb(0, 0, 0); border-bottom-width: 1pt; border-bottom-style: solid;;text-align:center;;vertical-align:bottom;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;Annual&amp;#160;payment&lt;br/&gt;obligation&lt;/div&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="background-color: rgb(204, 238, 255);;text-align:center;;vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal; text-align: left;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px; background-color: rgb(204, 238, 255);;display:inline;"&gt;2021&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;111,109&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="text-align:center;;vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal; text-align: left;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;2022&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;151,965&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="background-color: rgb(204, 238, 255);;text-align:center;;vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal; text-align: left;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px; background-color: rgb(204, 238, 255);;display:inline;"&gt;2023&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;156,524&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="text-align:center;;vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal; text-align: left;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;2024&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;92,884&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-size: 1px;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255);;vertical-align:top;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;512,482&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-size: 1px;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;table border="0" style="width:100%; table-layout:fixed;" cellspacing="0" cellpadding="0"&gt;&lt;tr&gt;&lt;td&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;</us-gaap:LessorOperatingLeasePaymentsToBeReceivedMaturityTableTextBlock>
<us-gaap:LessorOperatingLeasePaymentsToBeReceivedMaturityTableTextBlock id="Factid_20827529" contextRef="P01_01_2021To03_31_2021_FLsrtStatementGeographicalAxis">&lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;The remaining lease payment obligations are as follows: &lt;/div&gt;&lt;/div&gt; &lt;div style="font-size: 12pt; margin-top: 0pt; margin-bottom: 0pt;"&gt;&lt;div style="font-size: 12pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&amp;#160;&lt;/div&gt;&lt;/div&gt; &lt;table border="0" cellpadding="0" cellspacing="0" style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; border-collapse: collapse; border-spacing: 0px;;margin : 0px auto;;text-align:left;;width:68%;"&gt;&lt;tr style="font-size: 0px;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;;width:82%;"&gt;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;;width:10%;"&gt;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;"&gt;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;"&gt;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 8pt; page-break-inside: avoid;"&gt;&lt;td style="white-space: nowrap; padding-bottom: 1pt;;vertical-align:bottom;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 8pt; margin-top: 0pt; margin-bottom: 0pt; border-bottom: 1pt solid rgb(0, 0, 0); display: table-cell; line-height: normal;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;Year ending December&amp;#160;31,&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td colspan="2" style="border-bottom-color: rgb(0, 0, 0); border-bottom-width: 1pt; border-bottom-style: solid;;text-align:center;;vertical-align:bottom;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;Annual&amp;#160;payment&lt;br/&gt;obligation&lt;/div&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="background-color: rgb(204, 238, 255);;text-align:center;;vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal; text-align: left;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px; background-color: rgb(204, 238, 255);;display:inline;"&gt;2021&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;37,832&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="text-align:center;;vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal; text-align: left;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;2022&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;51,827&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="background-color: rgb(204, 238, 255);;text-align:center;;vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal; text-align: left;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px; background-color: rgb(204, 238, 255);;display:inline;"&gt;2023&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;53,382&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="text-align:center;;vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal; text-align: left;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;2024&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;40,930&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-size: 1px;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255);;vertical-align:top;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;183,971&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-size: 1px;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;table border="0" style="width:100%; table-layout:fixed;" cellspacing="0" cellpadding="0"&gt;&lt;tr&gt;&lt;td&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;</us-gaap:LessorOperatingLeasePaymentsToBeReceivedMaturityTableTextBlock>
<us-gaap:LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear id="Factid_20827531" contextRef="PAsOn03_31_2021" unitRef="Unit_USD" decimals="0">111109</us-gaap:LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear>
<us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths id="Factid_20827532" contextRef="PAsOn03_31_2021" unitRef="Unit_USD" decimals="0">151965</us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths>
<us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo id="Factid_20827533" contextRef="PAsOn03_31_2021" unitRef="Unit_USD" decimals="0">156524</us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo>
<us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree id="Factid_20827534" contextRef="PAsOn03_31_2021" unitRef="Unit_USD" decimals="0">92884</us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree>
<us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue id="Factid_20827535" contextRef="PAsOn03_31_2021" unitRef="Unit_USD" decimals="0">512482</us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue>
<us-gaap:LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear id="Factid_20827536" contextRef="PAsOn03_31_2021_FLsrtStatementGeographicalAxis" unitRef="Unit_USD" decimals="0">37832</us-gaap:LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear>
<us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths id="Factid_20827537" contextRef="PAsOn03_31_2021_FLsrtStatementGeographicalAxis" unitRef="Unit_USD" decimals="0">51827</us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths>
<us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo id="Factid_20827538" contextRef="PAsOn03_31_2021_FLsrtStatementGeographicalAxis" unitRef="Unit_USD" decimals="0">53382</us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo>
<us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree id="Factid_20827539" contextRef="PAsOn03_31_2021_FLsrtStatementGeographicalAxis" unitRef="Unit_USD" decimals="0">40930</us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree>
<us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue id="Factid_20827540" contextRef="PAsOn03_31_2021_FLsrtStatementGeographicalAxis" unitRef="Unit_USD" decimals="0">183971</us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue>
<us-gaap:CommonStockCapitalSharesReservedForFutureIssuance id="Factid_20827542" contextRef="PAsOn03_31_2016_OceanicaResourcesMemberusgaapRelatedPartyTransactionsByRelatedPartyAxis" unitRef="Unit_shares" decimals="-5">3000000</us-gaap:CommonStockCapitalSharesReservedForFutureIssuance>
<us-gaap:ProfessionalFees id="Factid_20827543" contextRef="P03_01_2016To03_31_2016_MaximumMembersrtRangeAxis" unitRef="Unit_USD" decimals="INF">700000</us-gaap:ProfessionalFees>
<us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity id="Factid_20827571" contextRef="PAsOn03_11_2015_MinosaMemberusgaapLineOfCreditFacilityAxis" unitRef="Unit_USD" decimals="INF">14750000</us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity>
<omex:MaximumAmountOfFinancingAvailableFromFutureIssuanceOfConvertiblePreferredStock id="Factid_20827572" contextRef="P03_11_2015To03_11_2015_PenelopeMiningLlcMembersrtCounterpartyNameAxis" unitRef="Unit_USD" decimals="INF">101000000</omex:MaximumAmountOfFinancingAvailableFromFutureIssuanceOfConvertiblePreferredStock>
<omex:InvestmentAgreementPeriod id="Factid_20827573" contextRef="P03_11_2015To03_11_2015_PenelopeMiningLlcMembersrtCounterpartyNameAxis">P3Y</omex:InvestmentAgreementPeriod>
<omex:WorkingCapitalDeficit id="Factid_20827578" contextRef="PAsOn03_31_2021" unitRef="Unit_USD" decimals="-5">49200000</omex:WorkingCapitalDeficit>
<omex:MonthlyLeasePayments id="Factid_20827588" contextRef="P01_01_2021To03_31_2021_BuildingMemberusgaapPropertyPlantAndEquipmentByTypeAxis_MinimumMembersrtRangeAxis" unitRef="Unit_USD" decimals="0">11789</omex:MonthlyLeasePayments>
<omex:MonthlyLeasePayments id="Factid_20827589" contextRef="P01_01_2021To03_31_2021_BuildingMemberusgaapPropertyPlantAndEquipmentByTypeAxis_MaximumMembersrtRangeAxis" unitRef="Unit_USD" decimals="0">13269</omex:MonthlyLeasePayments>
<omex:PercentageOfAnnualRentAccretionInOperatingLease id="Factid_20827590" contextRef="PAsOn03_31_2021" unitRef="Unit_pure" decimals="2">0.03</omex:PercentageOfAnnualRentAccretionInOperatingLease>
<us-gaap:OperatingLeaseLiability id="Factid_20827607" contextRef="PAsOn03_31_2021_BuildingMemberusgaapPropertyPlantAndEquipmentByTypeAxis" unitRef="Unit_USD" decimals="0">590612</us-gaap:OperatingLeaseLiability>
<us-gaap:LesseeOperatingLeaseDiscountRate id="Factid_20827611" contextRef="PAsOn03_31_2021_BuildingMemberusgaapPropertyPlantAndEquipmentByTypeAxis" unitRef="Unit_pure" decimals="2">0.10</us-gaap:LesseeOperatingLeaseDiscountRate>
<us-gaap:OperatingLeaseRightOfUseAsset id="Factid_20827615" contextRef="PAsOn03_31_2021" unitRef="Unit_USD" decimals="0">421397</us-gaap:OperatingLeaseRightOfUseAsset>
<us-gaap:OperatingLeaseLiability id="Factid_20827616" contextRef="PAsOn03_31_2021" unitRef="Unit_USD" decimals="0">433145</us-gaap:OperatingLeaseLiability>
<omex:MonthlyLeasePayments id="Factid_20827623" contextRef="P07_01_2019To09_30_2019_FLsrtStatementGeographicalAxis_MinimumMembersrtRangeAxis" unitRef="Unit_USD" decimals="0">4040</omex:MonthlyLeasePayments>
<omex:MonthlyLeasePayments id="Factid_20827624" contextRef="P07_01_2019To09_30_2019_FLsrtStatementGeographicalAxis_MaximumMembersrtRangeAxis" unitRef="Unit_USD" decimals="0">4547</omex:MonthlyLeasePayments>
<us-gaap:LesseeOperatingLeaseTermOfContract id="Factid_20827625" contextRef="PAsOn03_31_2021_FLsrtStatementGeographicalAxis">P5Y</us-gaap:LesseeOperatingLeaseTermOfContract>
<us-gaap:OperatingLeaseRightOfUseAsset id="Factid_20827626" contextRef="PAsOn03_31_2021_FLsrtStatementGeographicalAxis" unitRef="Unit_USD" decimals="0">202424</us-gaap:OperatingLeaseRightOfUseAsset>
<us-gaap:LesseeOperatingLeaseDiscountRate id="Factid_20827629" contextRef="PAsOn03_31_2021_FLsrtStatementGeographicalAxis" unitRef="Unit_pure" decimals="2">0.10</us-gaap:LesseeOperatingLeaseDiscountRate>
<us-gaap:OperatingLeaseLiability id="Factid_20827649" contextRef="PAsOn03_31_2021_FLsrtStatementGeographicalAxis" unitRef="Unit_USD" decimals="0">202424</us-gaap:OperatingLeaseLiability>
<us-gaap:OperatingLeaseRightOfUseAsset id="Factid_20827650" contextRef="PAsOn03_31_2021_CorporateOfficeSpaceMemberusgaapPropertyPlantAndEquipmentByTypeAxis" unitRef="Unit_USD" decimals="0">150463</us-gaap:OperatingLeaseRightOfUseAsset>
<us-gaap:OperatingLeaseLiability id="Factid_20827651" contextRef="PAsOn03_31_2021_CorporateOfficeSpaceMemberusgaapPropertyPlantAndEquipmentByTypeAxis" unitRef="Unit_USD" decimals="0">154233</us-gaap:OperatingLeaseLiability>
<us-gaap:LeaseAndRentalExpense id="Factid_20827656" contextRef="P01_01_2021To03_31_2021" unitRef="Unit_USD" decimals="0">41000</us-gaap:LeaseAndRentalExpense>
<us-gaap:LeaseAndRentalExpense id="Factid_20827657" contextRef="P01_01_2020To03_31_2020" unitRef="Unit_USD" decimals="0">54000</us-gaap:LeaseAndRentalExpense>
<us-gaap:IncomeTaxDisclosureTextBlock id="Factid_20827670" contextRef="P01_01_2021To03_31_2021">&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 18pt; margin-bottom: 6pt; padding-top: 0pt; padding-bottom: 0pt; line-height: 12pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;NOTE G - INCOME TAXES &lt;/div&gt;&lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 18pt; margin-bottom: 6pt; padding-top: 0pt; padding-bottom: 0pt; line-height: 12pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;During the three-month period ended March 31, 2021, we generated a federal net operating loss (&amp;#8220;NOL&amp;#8221;) carryforward of $4.2&amp;#160;million and generated $1.4&amp;#160;million of foreign NOL carryforwards. As of March 31, 2021, we had consolidated income tax NOL carryforwards for federal tax purposes of approximately $201.1&amp;#160;million and net operating loss carryforwards for foreign income tax purposes of approximately $63.2&amp;#160;million. &lt;/div&gt;&lt;div style="letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;The federal NOL carryforwards from 2005 thru 2017 will expire in various years beginning in&lt;div style="letter-spacing: 0px; top: 0px;;display:inline;"&gt;&amp;#160;&lt;/div&gt;&lt;/div&gt;&lt;/div&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;2025 and ending through the year 2036. &lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 18pt; margin-bottom: 6pt; padding-top: 0pt; padding-bottom: 0pt; line-height: 12pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;Deferred income tax assets and liabilities are recognized for the estimated future tax consequences attributable to differences between financial statement carrying amounts of existing assets and liabilities and their respective tax bases. Deferred income tax assets and liabilities are measured using enacted tax rates expected to be recovered or settled. We have recorded a net deferred tax asset of $0 at March&amp;#160;31, 2021. As required by the &lt;div style="font-style:italic;display:inline;;font-style:italic;display:inline;"&gt;Accounting for Income Taxes &lt;/div&gt;topic in the ASC, we have concluded it is more likely than not that those assets would not be realizable without the recovery and rights of ownership or salvage rights of high value shipwrecks or substantial profits from our mining operations and thus a valuation allowance has been recorded as of March 31, 2021. There was no U.S. income tax expense for the three months ended March 31, 2021 due to the generation of net operating losses. &lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 18pt; margin-bottom: 6pt; padding-top: 0pt; padding-bottom: 0pt; line-height: 12pt;"&gt;The increase in the valuation allowance as of March 31, 2021 is due to the generation of approximately $297,142&amp;#160;in net operating loss &lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;year-to-date.&lt;/div&gt;&lt;/div&gt; &lt;/div&gt;  &lt;div style="text-indent: 4%; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 18pt; margin-bottom: 6pt; padding-top: 0pt; padding-bottom: 0pt; line-height: 12pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;The change in the valuation allowance is as follows: &lt;/div&gt;&lt;/div&gt; &lt;div style="font-size: 12pt; margin-top: 18pt; margin-bottom: 6pt; padding-top: 0pt; padding-bottom: 0pt; line-height: 12pt;"&gt;&lt;div style="font-size: 12pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&amp;#160;&lt;/div&gt;&lt;/div&gt; &lt;table border="0" cellpadding="0" cellspacing="0" style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; border-collapse: collapse; border-spacing: 0px;;margin : 0px auto;;text-align:left;;width:68%;"&gt;&lt;tr style="font-size: 0px;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; width: 84%;"&gt;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; width: 4%;;vertical-align:bottom;"&gt;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;"&gt;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;"&gt;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="background-color: rgb(204, 238, 255); width: 84%; white-space: nowrap;;vertical-align:top;"&gt;&lt;div style=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:times new roman"&gt;March 31, 2021&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255); width: 4%;;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;69,157,126&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="width: 84%; vertical-align: bottom;"&gt;&lt;div style=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:times new roman"&gt;December 31, 2020&lt;/div&gt;&lt;/td&gt;&lt;td style="width: 4%;;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; border-bottom: 0.75pt solid black;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; border-bottom: 0.75pt solid black;;text-align:right;;vertical-align:bottom;"&gt;68,859,984&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="background-color: rgb(204, 238, 255); width: 84%;;vertical-align:top;"&gt;&lt;div style=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:times new roman"&gt;Change in valuation allowance&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255); width: 4%;;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;297,142&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-size: 1px;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; width: 84%;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="width: 4%;;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: 12pt; padding-top: 0pt; padding-bottom: 0pt;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: 12pt; padding-top: 0pt; padding-bottom: 0pt;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt;  &lt;div style="text-indent: 4%; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 18pt; margin-bottom: 6pt; padding-top: 0pt; padding-bottom: 0pt; line-height: 12pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;Our estimated annual effective tax rate before the valuation allowance as of March 31, 2021 is 7.99% while our March 31, 2021 effective tax rate is 0.0% because of the full valuation allowance. &lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 18pt; margin-bottom: 6pt; padding-top: 0pt; padding-bottom: 0pt; line-height: 12pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;We have not recognized a material adjustment in the liability for unrecognized tax benefits and have not recorded any provisions for accrued interest and penalties related to uncertain tax positions. The earliest tax year still subject to examination by a major taxing jurisdiction is 2017. &lt;/div&gt;&lt;/div&gt; &lt;table border="0" style="width:100%; table-layout:fixed;" cellspacing="0" cellpadding="0"&gt;&lt;tr&gt;&lt;td&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;</us-gaap:IncomeTaxDisclosureTextBlock>
<us-gaap:SummaryOfValuationAllowanceTextBlock id="Factid_20827674" contextRef="P01_01_2021To03_31_2021">&lt;div style="text-indent: 4%; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 18pt; margin-bottom: 6pt; padding-top: 0pt; padding-bottom: 0pt; line-height: 12pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;The change in the valuation allowance is as follows: &lt;/div&gt;&lt;/div&gt; &lt;div style="font-size: 12pt; margin-top: 18pt; margin-bottom: 6pt; padding-top: 0pt; padding-bottom: 0pt; line-height: 12pt;"&gt;&lt;div style="font-size: 12pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&amp;#160;&lt;/div&gt;&lt;/div&gt; &lt;table border="0" cellpadding="0" cellspacing="0" style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; border-collapse: collapse; border-spacing: 0px;;margin : 0px auto;;text-align:left;;width:68%;"&gt;&lt;tr style="font-size: 0px;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; width: 84%;"&gt;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; width: 4%;;vertical-align:bottom;"&gt;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;"&gt;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;"&gt;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="background-color: rgb(204, 238, 255); width: 84%; white-space: nowrap;;vertical-align:top;"&gt;&lt;div style=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:times new roman"&gt;March 31, 2021&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255); width: 4%;;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;69,157,126&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="width: 84%; vertical-align: bottom;"&gt;&lt;div style=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:times new roman"&gt;December 31, 2020&lt;/div&gt;&lt;/td&gt;&lt;td style="width: 4%;;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; border-bottom: 0.75pt solid black;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; border-bottom: 0.75pt solid black;;text-align:right;;vertical-align:bottom;"&gt;68,859,984&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="background-color: rgb(204, 238, 255); width: 84%;;vertical-align:top;"&gt;&lt;div style=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:times new roman"&gt;Change in valuation allowance&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255); width: 4%;;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;297,142&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-size: 1px;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; width: 84%;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="width: 4%;;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: 12pt; padding-top: 0pt; padding-bottom: 0pt;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: 12pt; padding-top: 0pt; padding-bottom: 0pt;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;table border="0" style="width:100%; table-layout:fixed;" cellspacing="0" cellpadding="0"&gt;&lt;tr&gt;&lt;td&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;</us-gaap:SummaryOfValuationAllowanceTextBlock>
<us-gaap:DeferredTaxAssetsValuationAllowance id="Factid_20827676" contextRef="PAsOn03_31_2021" unitRef="Unit_USD" decimals="0">69157126</us-gaap:DeferredTaxAssetsValuationAllowance>
<us-gaap:ValuationAllowanceDeferredTaxAssetChangeInAmount id="Factid_20827691" contextRef="P01_01_2021To03_31_2021" unitRef="Unit_USD" decimals="0">297142</us-gaap:ValuationAllowanceDeferredTaxAssetChangeInAmount>
<us-gaap:DeferredTaxAssetsValuationAllowance id="Factid_20827692" contextRef="PAsOn12_31_2020" unitRef="Unit_USD" decimals="0">68859984</us-gaap:DeferredTaxAssetsValuationAllowance>
<omex:OperatingLossCarryforwardsExpirationBeginningYear id="Factid_20827711" contextRef="P01_01_2021To03_31_2021_DomesticCountryMemberusgaapIncomeTaxAuthorityAxis">2025</omex:OperatingLossCarryforwardsExpirationBeginningYear>
<omex:OperatingLossCarryforwardsExpirationEndingYear id="Factid_20827712" contextRef="P01_01_2021To03_31_2021_DomesticCountryMemberusgaapIncomeTaxAuthorityAxis">2036</omex:OperatingLossCarryforwardsExpirationEndingYear>
<us-gaap:OperatingLossCarryforwards id="Factid_20827716" contextRef="PAsOn03_31_2021_DomesticCountryMemberusgaapIncomeTaxAuthorityAxis" unitRef="Unit_USD" decimals="-5">4200000</us-gaap:OperatingLossCarryforwards>
<us-gaap:OperatingLossCarryforwards id="Factid_20827717" contextRef="PAsOn03_31_2021_ForeignCountryMemberusgaapIncomeTaxAuthorityAxis" unitRef="Unit_USD" decimals="-5">1400000</us-gaap:OperatingLossCarryforwards>
<us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration id="Factid_20827718" contextRef="PAsOn03_31_2021_DomesticCountryMemberusgaapIncomeTaxAuthorityAxis" unitRef="Unit_USD" decimals="-5">201100000</us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration>
<us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration id="Factid_20827719" contextRef="PAsOn03_31_2021_ForeignCountryMemberusgaapIncomeTaxAuthorityAxis" unitRef="Unit_USD" decimals="-5">63200000</us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration>
<us-gaap:DeferredTaxAssetsLiabilitiesNet id="Factid_20827721" contextRef="PAsOn03_31_2021" unitRef="Unit_USD" decimals="0">0</us-gaap:DeferredTaxAssetsLiabilitiesNet>
<us-gaap:CurrentFederalTaxExpenseBenefit id="Factid_20827723" contextRef="P01_01_2021To03_31_2021" unitRef="Unit_USD" decimals="0">0</us-gaap:CurrentFederalTaxExpenseBenefit>
<us-gaap:OperatingLossCarryforwardsValuationAllowance id="Factid_20827725" contextRef="PAsOn03_31_2021" unitRef="Unit_USD" decimals="0">297142</us-gaap:OperatingLossCarryforwardsValuationAllowance>
<omex:EstimatedAnnualEffectiveTaxRate id="Factid_20827728" contextRef="P01_01_2021To03_31_2021" unitRef="Unit_pure" decimals="4">0.0799</omex:EstimatedAnnualEffectiveTaxRate>
<us-gaap:EffectiveIncomeTaxRateContinuingOperations id="Factid_20827729" contextRef="P01_01_2021To03_31_2021" unitRef="Unit_pure" decimals="3">0.000</us-gaap:EffectiveIncomeTaxRateContinuingOperations>
<us-gaap:EquityMethodInvestmentsDisclosureTextBlock id="Factid_20827732" contextRef="P01_01_2021To03_31_2021">&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 18pt; margin-bottom: 6pt; padding-top: 0pt; padding-bottom: 0pt; line-height: 12pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;NOTE F &amp;#8211; INVESTMENTS IN UNCONSOLIDATED ENTITIES &lt;/div&gt;&lt;/div&gt;&lt;/div&gt; &lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 18pt; margin-bottom: 6pt; padding-top: 0pt; padding-bottom: 0pt; line-height: 12pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;&lt;div style="font-style:italic;display:inline;;font-style:italic;display:inline;"&gt;Neptune Minerals, Inc. (NMI) &lt;/div&gt;&lt;/div&gt;&lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 18pt; margin-bottom: 6pt; padding-top: 0pt; padding-bottom: 0pt; line-height: 12pt;"&gt;Our current investment in NMI consists of 3,092,488 Class&amp;#160;B Common &lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;non-voting&lt;/div&gt; shares and 2,612 Series A Preferred &lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;non-voting&lt;/div&gt; shares. These preferred shares are convertible into an aggregate of 261,200 shares of Class&amp;#160;B &lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;non-voting&lt;/div&gt; common stock. Our holdings now constitute an approximate 14% ownership in NMI. Our estimated share of unrecognized NMI equity-method losses is approximately $21.3&amp;#160;million. We have not recognized the accumulated $21.3&amp;#160;million in our income statement because these losses exceeded our investment in NMI. Our investment has a carrying value of zero as a result of the recognition of our share of prior losses incurred by NMI under the equity method of accounting. We believe it is appropriate to allocate this loss carryforward of $21.3&amp;#160;million to any incremental NMI investment that may be recognized on our balance sheet in excess of zero because the losses occurred when they were an equity-method investment. The aforementioned loss carryforward is based on NMI&amp;#8217;s last unaudited financial statements as of December&amp;#160;31, 2016. We do not believe losses NMI may have incurred from the calendar year of 2017 to current day to be material. We do not have any financial obligations to NMI, and we are not committed to provide financial support to NMI. &lt;/div&gt; &lt;div style="text-indent: 4%; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 18pt; margin-bottom: 6pt; padding-top: 0pt; padding-bottom: 0pt; line-height: 12pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;Although we are a shareholder of NMI, we have no representation on the board of directors or in management of NMI and do not hold any Class&amp;#160;A voting shares. We are not involved in the management of NMI nor do we participate in their policy-making. Accordingly, we are not the primary beneficiary of NMI. As of March&amp;#160;31, 2021, the net carrying value of our investment in NMI was zero in our consolidated financial statements. &lt;/div&gt;&lt;/div&gt; &lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 18pt; margin-bottom: 6pt; padding-top: 0pt; padding-bottom: 0pt; line-height: 12pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;&lt;div style="font-style:italic;display:inline;;font-style:italic;display:inline;"&gt;Chatham Rock Phosphate, Limited. &lt;/div&gt;&lt;/div&gt;&lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 18pt; margin-bottom: 6pt; padding-top: 0pt; padding-bottom: 0pt; line-height: 12pt;"&gt;During 2012, we performed &lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;deep-sea&lt;/div&gt; mining exploratory services for Chatham Rock Phosphate, Ltd. (&amp;#8220;CRP&amp;#8221;) valued at $1,680,000. As payment for these services, CRP issued 9,320,348 ordinary shares to us. During March 2017, Antipodes Gold Limited completed the acquisition of CRP. The surviving entity is now named Chatham Rock Phosphate Limited (&amp;#8220;CRPL&amp;#8221;). In exchange for our 9,320,348 shares of CRP we received 141,884 shares of CPRL, which represents equity ownership of approximately 1% of the surviving entity. Since CRP was a thinly traded stock and pursuant to guidance per ASC 320: &lt;div style="font-style:italic;display:inline;;font-style:italic;display:inline;"&gt;Debt and Equity Securities&lt;/div&gt; regarding readily determinable fair value, we believe it was appropriate to not recognize this amount as an asset nor as revenue during that period. We continue to carry the value of our investment in CPRL at zero in our consolidated financial statements. &lt;/div&gt; &lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 18pt; margin-bottom: 6pt; padding-top: 0pt; padding-bottom: 0pt; line-height: 12pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;&lt;div style="font-style:italic;display:inline;;font-style:italic;display:inline;"&gt;CIC LLC &lt;/div&gt;&lt;/div&gt;&lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 18pt; margin-bottom: 6pt; padding-top: 0pt; padding-bottom: 0pt; line-height: 12pt;"&gt;&lt;div style="letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;In 2018, we began providing services to CIC LLC (see NOTE D).&lt;/div&gt;&lt;/div&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt; This company is pursuing deep water mining permits in foreign waters. Due to the initial structure of the company, we determined this venture to be a VIE consistent with ASU 2015-2. We have determined we are not the primary beneficiary of the VIE and, therefore, we have not consolidated this entity. Additionally, we also will record the investment under the cost method as we have determined we do not exercise significant influence over the entity. We will assess our investment for impairment annually and, if a loss in value is deemed other than temporary, an impairment charge will be recorded. At March&amp;#160;31, 2021 and December&amp;#160;31, 2020, the accumulated investment in the entity was $2,627,117 and $2,370,794, respectively, which is classified as an investment in unconsolidated entity in our consolidated balance sheets. &lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 18pt; margin-bottom: 6pt; padding-top: 0pt; padding-bottom: 0pt; line-height: 12pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;We account for the investments we make in certain legal entities in which equity investors do not have (1)&amp;#160;sufficient equity at risk for the legal entity to finance its activities without additional subordinated financial support, or (2)&amp;#160;as a group, the holders of the equity investment at risk do not have either the power, through voting or similar rights, to direct the activities of the legal entity that most significantly impact the entity&amp;#8217;s economic performance, or (3)&amp;#160;the obligation to absorb the expected losses of the legal entity or the right to receive expected residual returns of the legal entity. These legal entities are referred to as &amp;#8220;variable interest entities&amp;#8221; or &amp;#8220;VIEs.&amp;#8221; &lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 18pt; margin-bottom: 6pt; padding-top: 0pt; padding-bottom: 0pt; line-height: 12pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;We would consolidate the results of any such entity in which we determined we had a controlling financial interest. We would have a &amp;#8220;controlling financial interest&amp;#8221; in such an entity if we had both the power to direct the activities that most significantly affect the VIE&amp;#8217;s economic performance and the obligation to absorb the losses of, or right to receive benefits from, the VIE that could be potentially significant to the VIE. On a quarterly basis, we reassess whether we have a controlling financial interest in any investments we have in these legal entities. &lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 18pt; margin-bottom: 6pt; padding-top: 0pt; padding-bottom: 0pt; line-height: 12pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;We determine whether any of the entities in which we have made investments is a VIE at the start of each new venture and if a reconsideration event has occurred. At such times, we also consider whether we must consolidate a VIE and/or disclose information about our involvement in a VIE. A reporting entity must consolidate a VIE if that reporting entity has a variable interest (or combination of variable interests) that will absorb a majority of the VIE&amp;#8217;s expected losses, receive a majority of the VIE&amp;#8217;s expected residual returns, or both. A reporting entity must consider the rights and obligations conveyed by its variable interests and the relationship of its variable interests with variable interests held by other parties to determine whether its variable interests will absorb a majority of a VIE&amp;#8217;s expected losses, receive a majority of the VIE&amp;#8217;s expected residual returns, or both. The reporting entity that consolidates a VIE is called the primary beneficiary of that VIE. &lt;/div&gt;&lt;br/&gt;&lt;/div&gt; &lt;table border="0" style="width:100%; table-layout:fixed;" cellspacing="0" cellpadding="0"&gt;&lt;tr&gt;&lt;td&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;</us-gaap:EquityMethodInvestmentsDisclosureTextBlock>
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<omex:ExplorationLicenseTextBlock id="Factid_20827747" contextRef="P01_01_2021To03_31_2021">&lt;div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;NOTE E &amp;#8211; EXPLORATION LICENSE &lt;/div&gt;&lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"&gt;On July&amp;#160;9, 2019 we acquired a 79.9% interest in Bismarck Mining Corporation (PNG) Limited (&amp;#8220;Bismarck&amp;#8221;), a Papua New Guinea company that was organized for the purpose of exploring the deep waters off the coast for precious metals. We evaluated the transaction under ASU &lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;2017-01&lt;/div&gt; Business Combinations &lt;div style="letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;(Topic 805) and determined that Bismarck did not meet the definition of a business, &lt;/div&gt;&lt;/div&gt;so the transaction represented an acquisition of assets rather than a business combination. Asset acquisitions do not give rise to goodwill. Rather, the sum of the fair value of the consideration given, together with transaction costs is allocated to the individual assets acquired and liabilities assumed based on their relative fair values which were more clearly evident and, thus, more reliably measurable at the date of acquisition under ASC &lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;805-50-30-2&lt;/div&gt;&lt;/div&gt;&lt;/div&gt; &lt;div style="font-style:italic;display:inline;;font-style:italic;display:inline;"&gt;Initial Measurement&lt;/div&gt;. In the future, the recoverability will be tested whenever events or changes in circumstances indicate that its carrying amount may not be recoverable per the guidance of ASC &lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;360-10-35-21&lt;/div&gt;&lt;/div&gt;&lt;/div&gt; &lt;div style="font-style:italic;display:inline;;font-style:italic;display:inline;"&gt;Subsequent Measurement.&lt;/div&gt; Management has considered whether any triggering events occurred that would cause impairment. Management did not identify any triggering events thus there is no impairment for the three-month period ended March&amp;#160;31, 2021. &lt;/div&gt;  &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;The consideration paid for the asset acquisition consisted of the following: &lt;/div&gt;&lt;/div&gt; &lt;div style="font-size: 12pt; margin-top: 0pt; margin-bottom: 0pt;"&gt;&lt;div style="font-size: 12pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&amp;#160;&lt;/div&gt;&lt;/div&gt; &lt;table border="0" cellpadding="0" cellspacing="0" style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; border-collapse: collapse; border-spacing: 0px;;margin : 0px auto;;text-align:left;;width:68%;"&gt;&lt;tr style="font-size: 0px;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;;width:85%;"&gt;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;;width:5%;"&gt;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;"&gt;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;"&gt;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px; background-color: rgb(204, 238, 255);;display:inline;"&gt;Fair value of 249,584 common shares issued&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;1,407,653&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;Direct transaction costs&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;46,113&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-size: 1px;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 3em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px; background-color: rgb(204, 238, 255);;display:inline;"&gt;Total consideration paid&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;1,453,766&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-size: 1px;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt;  &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;The consideration was allocated as follows: &lt;/div&gt;&lt;/div&gt; &lt;div style="font-size: 12pt; margin-top: 0pt; margin-bottom: 0pt;"&gt;&lt;div style="font-size: 12pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&amp;#160;&lt;/div&gt;&lt;/div&gt; &lt;table border="0" cellpadding="0" cellspacing="0" style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; border-collapse: collapse; border-spacing: 0px;;margin : 0px auto;;text-align:left;;width:68%;"&gt;&lt;tr style="font-size: 0px;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;;width:85%;"&gt;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;;width:5%;"&gt;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;"&gt;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;"&gt;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px; background-color: rgb(204, 238, 255);;display:inline;"&gt;Intangible asset- exploration license rights&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;1,821,251&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;Current assets&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;1,748&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px; background-color: rgb(204, 238, 255);;display:inline;"&gt;Current liabilities&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;(3,516&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;)&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;Less: &lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;Non-controlling&lt;/div&gt; interest&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;(365,717&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;)&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-size: 1px;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 3em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px; background-color: rgb(204, 238, 255);;display:inline;"&gt;Total net assets acquired&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;1,453,766&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-size: 1px;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt;   &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;Included in this acquisition are the rights to Bismarck&amp;#8217;s exploration license, which is renewable every two years. Per ASC &lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;350-30-35-3,&lt;/div&gt;&lt;/div&gt;&lt;/div&gt; management has deemed the rights to this license to have an indefinite life. Determining if the rights to the license has an indefinite or finite life required us to consider the nature of the renewal process and any additional economic factors, if any, required when renewing this license. We currently expect to use and renew the related license indefinitely, and we do not believe there are currently any legal, regulatory, or contractual provisions that are expected to limit the useful life of the related exploration license or indicate that the useful life is other than indefinite. The exploration license is also not dependent on, or specifically associated with, another asset or group of assets that would limit the useful life of the intangible asset or indicate that the useful life is other than indefinite. Management&amp;#8217;s assumptions regarding our ability to successfully renew or extend the exploration license are based on Bismarck&amp;#8217;s historical experience. Bismarck was established in 2006, and they have historically renewed and extended the exploration license without a lapse in their ability to use the license. The license has also never been revoked. We will not incur significant maintenance costs related to the license. There is an annual fee due of approximately $14,000 to maintain the license. This amount is much less than the carrying amount of the license and the cost is not expected to prohibit continued renewals of the license in the future. Based on all the factors considered above, management believes it is appropriate to assign indefinite useful life to the acquisition of the rights for the exploration license. &lt;br/&gt;&lt;/div&gt; &lt;table border="0" style="width:100%; table-layout:fixed;" cellspacing="0" cellpadding="0"&gt;&lt;tr&gt;&lt;td&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;</omex:ExplorationLicenseTextBlock>
<omex:ScheduleOfBusinessCombinationConsiderationPaidTableTextBlock id="Factid_20827757" contextRef="P01_01_2021To03_31_2021">&lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;The consideration paid for the asset acquisition consisted of the following: &lt;/div&gt;&lt;/div&gt; &lt;div style="font-size: 12pt; margin-top: 0pt; margin-bottom: 0pt;"&gt;&lt;div style="font-size: 12pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&amp;#160;&lt;/div&gt;&lt;/div&gt; &lt;table border="0" cellpadding="0" cellspacing="0" style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; border-collapse: collapse; border-spacing: 0px;;margin : 0px auto;;text-align:left;;width:68%;"&gt;&lt;tr style="font-size: 0px;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;;width:85%;"&gt;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;;width:5%;"&gt;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;"&gt;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;"&gt;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px; background-color: rgb(204, 238, 255);;display:inline;"&gt;Fair value of 249,584 common shares issued&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;1,407,653&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;Direct transaction costs&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;46,113&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-size: 1px;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 3em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px; background-color: rgb(204, 238, 255);;display:inline;"&gt;Total consideration paid&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;1,453,766&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-size: 1px;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;table border="0" style="width:100%; table-layout:fixed;" cellspacing="0" cellpadding="0"&gt;&lt;tr&gt;&lt;td&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;</omex:ScheduleOfBusinessCombinationConsiderationPaidTableTextBlock>
<us-gaap:ScheduleOfRecognizedIdentifiedAssetsAcquiredAndLiabilitiesAssumedTableTextBlock id="Factid_20827758" contextRef="P01_01_2021To03_31_2021">&lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;The consideration was allocated as follows: &lt;/div&gt;&lt;/div&gt; &lt;div style="font-size: 12pt; margin-top: 0pt; margin-bottom: 0pt;"&gt;&lt;div style="font-size: 12pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&amp;#160;&lt;/div&gt;&lt;/div&gt; &lt;table border="0" cellpadding="0" cellspacing="0" style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; border-collapse: collapse; border-spacing: 0px;;margin : 0px auto;;text-align:left;;width:68%;"&gt;&lt;tr style="font-size: 0px;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;;width:85%;"&gt;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;;width:5%;"&gt;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;"&gt;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;"&gt;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px; background-color: rgb(204, 238, 255);;display:inline;"&gt;Intangible asset- exploration license rights&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;1,821,251&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;Current assets&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;1,748&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px; background-color: rgb(204, 238, 255);;display:inline;"&gt;Current liabilities&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;(3,516&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;)&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;Less: &lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;Non-controlling&lt;/div&gt; interest&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;(365,717&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;)&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-size: 1px;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 3em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px; background-color: rgb(204, 238, 255);;display:inline;"&gt;Total net assets acquired&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;1,453,766&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-size: 1px;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;table border="0" style="width:100%; table-layout:fixed;" cellspacing="0" cellpadding="0"&gt;&lt;tr&gt;&lt;td&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;</us-gaap:ScheduleOfRecognizedIdentifiedAssetsAcquiredAndLiabilitiesAssumedTableTextBlock>
<us-gaap:BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued id="Factid_20827759" contextRef="P01_01_2021To03_31_2021_BismarckMemberusgaapBusinessAcquisitionAxis" unitRef="Unit_shares" decimals="INF">249584</us-gaap:BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued>
<us-gaap:RelatedPartyTransactionsDisclosureTextBlock id="Factid_20827772" contextRef="P01_01_2021To03_31_2021">&lt;div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;NOTE D &amp;#8211; RELATED PARTY TRANSACTIONS &lt;/div&gt;&lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"&gt;&lt;div style="display:inline;"&gt;We currently provide services to a &lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;deep-sea&lt;/div&gt; mineral exploration company, CIC, which was organized and is majority owned and controlled by Greg Stemm, Odyssey&amp;#8217;s past Chairman of the Board.&amp;#160;Mr.&amp;#160;Stemm&amp;#8217;s involvement with this company was disclosed to, and approved by, the Odyssey Board of Directors and legal counsel pursuant to the terms of Mr.&amp;#160;Stemm&amp;#8217;s consulting agreement at that time. We are providing these services pursuant to a Master Services Agreement that provides for&amp;#160;back-office services in exchange for a recurring monthly fee as well as other &lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;deep-sea&lt;/div&gt; mineral related services on a cost-plus profit basis and will be compensated for these services with a combination of cash and equity in CIC. For the 2021 year to date, we invoiced CIC a total of&lt;/div&gt; $291,676, &lt;div style="display:inline;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;which was for technical and support services.&amp;#160;We have the option to accept equity in payment of the amounts due from CIC. See NOTE C for related accounts receivable at March&amp;#160;31, 2021 and December&amp;#160;31, 2020 and NOTE F for our investment in an unconsolidated entity. &lt;/div&gt;&lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;&lt;div style="display:inline;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;The above terms and amounts are not necessarily indicative of the terms and amounts that would have been incurred had comparable transactions been entered into with independent parties. &lt;/div&gt;&lt;/div&gt;&lt;/div&gt; &lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt; &lt;/div&gt;&lt;table border="0" style="width:100%; table-layout:fixed;" cellspacing="0" cellpadding="0"&gt;&lt;tr&gt;&lt;td&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;</us-gaap:RelatedPartyTransactionsDisclosureTextBlock>
<us-gaap:AccountsReceivableGrossCurrent id="Factid_20827778" contextRef="PAsOn03_31_2021_DeepSeaMineralCompanyMembersrtCounterpartyNameAxis" unitRef="Unit_USD" decimals="0">291676</us-gaap:AccountsReceivableGrossCurrent>
<us-gaap:LoansNotesTradeAndOtherReceivablesDisclosureTextBlock id="Factid_20827792" contextRef="P01_01_2021To03_31_2021">&lt;div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;NOTE C &amp;#8211; ACCOUNTS RECEIVABLE AND OTHER &lt;/div&gt;&lt;/div&gt;&lt;/div&gt;  &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"&gt;&lt;div style="letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;Our accounts receivable consist of the following: &lt;/div&gt;&lt;/div&gt;&lt;/div&gt; &lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt; &lt;/div&gt; &lt;div style="font-size: 12pt; margin-top: 0pt; margin-bottom: 0pt;"&gt;&lt;div style="font-size: 12pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&amp;#160;&lt;/div&gt;&lt;/div&gt; &lt;table border="0" cellpadding="0" cellspacing="0" style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; border-collapse: collapse; border-spacing: 0px;;margin : 0px auto;;text-align:left;;width:76%;"&gt;&lt;tr style="font-size: 0px;"&gt;&lt;td style="width:68%;"&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;;width:8%;"&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;;width:8%;"&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 8pt; page-break-inside: avoid;"&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td colspan="2" style="border-bottom-color: rgb(0, 0, 0); border-bottom-width: 1pt; border-bottom-style: solid;;text-align:center;;vertical-align:bottom;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;March&amp;#160;31,&amp;#160;2021&lt;/div&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td colspan="2" style="border-bottom-color: rgb(0, 0, 0); border-bottom-width: 1pt; border-bottom-style: solid;;text-align:center;;vertical-align:bottom;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;December&amp;#160;31,&amp;#160;2020&lt;/div&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px; background-color: rgb(204, 238, 255);;display:inline;"&gt;Related party&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;220,956&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;160,220&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;Other&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;35&lt;/td&gt;&lt;td style="white-space: nowrap; font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;37&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-size: 1px;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px; background-color: rgb(204, 238, 255);;display:inline;"&gt;Total accounts receivable and other&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;220,991&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;160,257&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-size: 1px;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt;  &lt;div style="font-size: 1px; margin-top: 12px; margin-bottom: 0px;"&gt;&lt;div style="font-size: 1px; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&amp;#160;&lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt;"&gt;&lt;div style="display:inline;"&gt;We perform services for a &lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;deep-sea&lt;/div&gt; mineral exploration company in which our past Chairman of the Board, Greg Stemm, has a controlling ownership interest (See NOTE D). At March&amp;#160;31, 2021 and December&amp;#160;31, 2020, the company owed us&lt;/div&gt; $220,956 and $134,452, respectively. &lt;/div&gt; &lt;table border="0" style="width:100%; table-layout:fixed;" cellspacing="0" cellpadding="0"&gt;&lt;tr&gt;&lt;td&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;</us-gaap:LoansNotesTradeAndOtherReceivablesDisclosureTextBlock>
<us-gaap:ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock id="Factid_20827793" contextRef="P01_01_2021To03_31_2021">&lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"&gt;&lt;div style="letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;Our accounts receivable consist of the following: &lt;/div&gt;&lt;/div&gt;&lt;/div&gt; &lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt; &lt;/div&gt; &lt;div style="font-size: 12pt; margin-top: 0pt; margin-bottom: 0pt;"&gt;&lt;div style="font-size: 12pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&amp;#160;&lt;/div&gt;&lt;/div&gt; &lt;table border="0" cellpadding="0" cellspacing="0" style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; border-collapse: collapse; border-spacing: 0px;;margin : 0px auto;;text-align:left;;width:76%;"&gt;&lt;tr style="font-size: 0px;"&gt;&lt;td style="width:68%;"&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;;width:8%;"&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;;width:8%;"&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 8pt; page-break-inside: avoid;"&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td colspan="2" style="border-bottom-color: rgb(0, 0, 0); border-bottom-width: 1pt; border-bottom-style: solid;;text-align:center;;vertical-align:bottom;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;March&amp;#160;31,&amp;#160;2021&lt;/div&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td colspan="2" style="border-bottom-color: rgb(0, 0, 0); border-bottom-width: 1pt; border-bottom-style: solid;;text-align:center;;vertical-align:bottom;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;December&amp;#160;31,&amp;#160;2020&lt;/div&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px; background-color: rgb(204, 238, 255);;display:inline;"&gt;Related party&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;220,956&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;160,220&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;Other&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;35&lt;/td&gt;&lt;td style="white-space: nowrap; font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;37&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-size: 1px;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px; background-color: rgb(204, 238, 255);;display:inline;"&gt;Total accounts receivable and other&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;220,991&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; 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<us-gaap:DebtInstrumentMaturityDate id="Factid_20870345" contextRef="P04_16_2020To04_16_2020_CaresActLoanMemberusgaapDebtInstrumentAxis">2022-04-16</us-gaap:DebtInstrumentMaturityDate>
<omex:DebtInstrumentMaturityPeriod id="Factid_20870354" contextRef="P06_26_2020To06_26_2020_EmergencyInjuryDisasterLoanMemberusgaapDebtInstrumentAxis">P30Y</omex:DebtInstrumentMaturityPeriod>
<us-gaap:AccountsPayableTradeCurrent id="Factid_20870613" contextRef="PAsOn03_31_2021" unitRef="Unit_USD" decimals="0">484009</us-gaap:AccountsPayableTradeCurrent>
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<us-gaap:InterestExpense id="Factid_20870625" contextRef="P01_01_2021To03_31_2021_MagellanMemberusgaapRelatedPartyTransactionsByRelatedPartyAxis" unitRef="Unit_USD" decimals="0">14321</us-gaap:InterestExpense>
<us-gaap:InterestExpense id="Factid_20870626" contextRef="P01_01_2020To03_31_2020_MagellanMemberusgaapRelatedPartyTransactionsByRelatedPartyAxis" unitRef="Unit_USD" decimals="0">14480</us-gaap:InterestExpense>
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<dei:AmendmentFlag id="Factid_20875044" contextRef="P01_01_2021To03_31_2021">false</dei:AmendmentFlag>
<dei:DocumentFiscalPeriodFocus id="Factid_20875046" contextRef="P01_01_2021To03_31_2021">Q1</dei:DocumentFiscalPeriodFocus>
<dei:EntityRegistrantName id="Factid_20875053" contextRef="P01_01_2021To03_31_2021">ODYSSEY MARINE EXPLORATION INC</dei:EntityRegistrantName>
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<dei:CurrentFiscalYearEndDate id="Factid_20875055" contextRef="P01_01_2021To03_31_2021">--12-31</dei:CurrentFiscalYearEndDate>
<dei:EntityInteractiveDataCurrent id="Factid_20875056" contextRef="P01_01_2021To03_31_2021">Yes</dei:EntityInteractiveDataCurrent>
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<dei:EntitySmallBusiness id="Factid_20875061" contextRef="P01_01_2021To03_31_2021">true</dei:EntitySmallBusiness>
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<us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures id="Factid_20877249" contextRef="PAsOn03_31_2021_CommonClassAMemberusgaapStatementClassOfStockAxis_NeptuneMineralsIncorporatedMembersrtScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" unitRef="Unit_USD" decimals="INF">0</us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures>
<us-gaap:OperatingLeaseRightOfUseAsset id="Factid_20877723" contextRef="PAsOn03_31_2021_BuildingMemberusgaapPropertyPlantAndEquipmentByTypeAxis" unitRef="Unit_USD" decimals="0">590612</us-gaap:OperatingLeaseRightOfUseAsset>
<us-gaap:LesseeOperatingLeaseTermOfContract id="Factid_20877724" contextRef="PAsOn03_31_2021_CorporateOfficeSpaceMemberusgaapPropertyPlantAndEquipmentByTypeAxis">P5Y</us-gaap:LesseeOperatingLeaseTermOfContract>
<omex:EffectiveDateOfOperatingLeaseAgreeement id="Factid_20877730" contextRef="P01_01_2021To03_31_2021_FLsrtStatementGeographicalAxis">2019-10-01</omex:EffectiveDateOfOperatingLeaseAgreeement>
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<omex:NumberOfProjectsAfterBifurcation id="Factid_20879044" contextRef="P01_01_2021To03_31_2021_GaltResourcesLlcMemberusgaapDeferredRevenueArrangementTypeAxis" unitRef="Unit_Project" decimals="INF">2</omex:NumberOfProjectsAfterBifurcation>
<dei:EntityCurrentReportingStatus id="Factid_20879094" contextRef="P01_01_2021To03_31_2021">Yes</dei:EntityCurrentReportingStatus>
<us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest id="Factid_20879119" contextRef="PAsOn12_31_2019_CommonStockMemberusgaapStatementEquityComponentsAxis" unitRef="Unit_USD" decimals="0">948</us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest>
<us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest id="Factid_20879120" contextRef="PAsOn12_31_2019_AdditionalPaidInCapitalMemberusgaapStatementEquityComponentsAxis" unitRef="Unit_USD" decimals="0">221027057</us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest>
<us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest id="Factid_20879121" contextRef="PAsOn12_31_2019_RetainedEarningsMemberusgaapStatementEquityComponentsAxis" unitRef="Unit_USD" decimals="0">-250322307</us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest>
<us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest id="Factid_20879122" contextRef="PAsOn12_31_2019_NoncontrollingInterestMemberusgaapStatementEquityComponentsAxis" unitRef="Unit_USD" decimals="0">-24003114</us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest>
<us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest id="Factid_20879123" contextRef="PAsOn12_31_2019" unitRef="Unit_USD" decimals="0">-53297416</us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest>
<us-gaap:DebtInstrumentMaturityDate id="Factid_20901249" contextRef="P12_10_2015To12_10_2015_NoteOneMonacoTwoThousandFourteenMemberusgaapLongtermDebtTypeAxis">2017-12-31</us-gaap:DebtInstrumentMaturityDate>
<us-gaap:DebtInstrumentMaturityDate id="Factid_20901250" contextRef="P03_01_2016To03_31_2016_NoteOneMonacoTwoThousandFourteenMemberusgaapLongtermDebtTypeAxis">2018-04-01</us-gaap:DebtInstrumentMaturityDate>
<us-gaap:LettersOfCreditOutstandingAmount id="Factid_20901257" contextRef="PAsOn12_31_2020_NoteOneMonacoTwoThousandFourteenMemberusgaapLongtermDebtTypeAxis" unitRef="Unit_USD" decimals="-5">2800000</us-gaap:LettersOfCreditOutstandingAmount>
<us-gaap:DebtInstrumentMaturityDate id="Factid_20901378" contextRef="P03_01_2016To03_31_2016_NoteTwoMemberusgaapLongtermDebtTypeAxis">2018-04-15</us-gaap:DebtInstrumentMaturityDate>
<us-gaap:DebtInstrumentMaturityDate id="Factid_20901382" contextRef="P01_01_2021To03_31_2021_LoanModificationMemberusgaapLongtermDebtTypeAxis_OceanicaResourcesMemberusgaapRelatedPartyTransactionsByRelatedPartyAxis">2017-12-31</us-gaap:DebtInstrumentMaturityDate>
<us-gaap:DebtInstrumentMaturityDate id="Factid_20901385" contextRef="P03_01_2016To03_31_2016_ExploracionesOceanicasMemberusgaapRelatedPartyTransactionsByRelatedPartyAxis_NoteTwoMemberusgaapLongtermDebtTypeAxis">2015-09-25</us-gaap:DebtInstrumentMaturityDate>
<us-gaap:ConversionOfStockAmountConverted1 id="Factid_20906764" contextRef="P01_01_2021To03_31_2021_EpsilonAcquisitionsLLCMemberusgaapDebtInstrumentAxis" unitRef="Unit_USD" decimals="0">1448697</us-gaap:ConversionOfStockAmountConverted1>
<us-gaap:ConversionOfStockSharesIssued1 id="Factid_20906766" contextRef="P01_01_2021To03_31_2021_EpsilonAcquisitionsLLCMemberusgaapDebtInstrumentAxis" unitRef="Unit_shares" decimals="0">411562</us-gaap:ConversionOfStockSharesIssued1>
<us-gaap:DebtInstrumentUnamortizedDiscount id="Factid_20908176" contextRef="PAsOn03_31_2021_DeferredRevenueCallOptionMemberusgaapDerivativeInstrumentRiskAxis_OceanicaResourcesMemberusgaapRelatedPartyTransactionsByRelatedPartyAxis_PromissoryNoteMemberusgaapShortTermDebtTypeAxis" unitRef="Unit_USD" decimals="0">383148</us-gaap:DebtInstrumentUnamortizedDiscount>
<omex:DebtInstrumentNumberOfAdvances id="Factid_20908221" contextRef="P01_01_2021To03_31_2021_MinosaMemberusgaapLineOfCreditFacilityAxis_PromissoryNoteMemberusgaapShortTermDebtTypeAxis_SharePurchaseAgreementMemberusgaapInvestmentTypeAxis" unitRef="Unit_Tranches" decimals="INF">5</omex:DebtInstrumentNumberOfAdvances>
<us-gaap:DebtInstrumentFaceAmount id="Factid_20908228" contextRef="PAsOn12_31_2020_NoteSixMinosaTwoMemberusgaapDebtInstrumentAxis_PromissoryNoteMemberusgaapShortTermDebtTypeAxis_SharePurchaseAgreementMemberusgaapInvestmentTypeAxis" unitRef="Unit_USD" decimals="-4">14750000</us-gaap:DebtInstrumentFaceAmount>
<us-gaap:DebtInstrumentMaturityDate id="Factid_20908243" contextRef="P01_01_2021To03_31_2021_MinosaMemberusgaapLineOfCreditFacilityAxis_PromissoryNoteMemberusgaapShortTermDebtTypeAxis_SharePurchaseAgreementMemberusgaapInvestmentTypeAxis">2017-03-18</us-gaap:DebtInstrumentMaturityDate>
<omex:SharePurchaseAgreementExpirationDate id="Factid_20908270" contextRef="P01_01_2021To03_31_2021_CallOptionMemberusgaapOptionIndexedToIssuersEquityTypeAxis_MinosaMemberusgaapLineOfCreditFacilityAxis_OceanicaResourcesMemberusgaapRelatedPartyTransactionsByRelatedPartyAxis_SharePurchaseAgreementMemberusgaapInvestmentTypeAxis">2016-03-30</omex:SharePurchaseAgreementExpirationDate>
<us-gaap:DebtInstrumentConvertibleConversionPrice1 id="Factid_20908471" contextRef="PAsOn03_31_2021_EpsilonAcquisitionsLLCMemberusgaapDebtInstrumentAxis" unitRef="Unit_USD_per_Share" decimals="2">3.52</us-gaap:DebtInstrumentConvertibleConversionPrice1>
<us-gaap:AccountsReceivableGross id="Factid_20908481" contextRef="PAsOn05_03_2017_NeptuneMineralsIncorporatedMemberdeiLegalEntityAxis_NoteFiveSmomMemberusgaapLongtermDebtTypeAxis" unitRef="Unit_USD" decimals="0">0</us-gaap:AccountsReceivableGross>
<us-gaap:DebtInstrumentMaturityDate id="Factid_20908705" contextRef="P01_01_2021To03_31_2021_CollateralAgreementMemberusgaapDebtInstrumentAxis">2018-08-31</us-gaap:DebtInstrumentMaturityDate>
<omex:NumberOfLenders id="Factid_20908757" contextRef="P07_12_2018To07_12_2018_NoteAndWarrantPurchaseAgreementMemberusgaapInvestmentTypeAxis" unitRef="Unit_Parties" decimals="0">2</omex:NumberOfLenders>
<omex:DebtInstrumentNumberOfInstallments id="Factid_20908762" contextRef="P03_01_2016To03_31_2016_NoteTwoMemberusgaapLongtermDebtTypeAxis_OceanicaMarineOperationsMemberusgaapRelatedPartyTransactionsByRelatedPartyAxis" unitRef="Unit_Installment" decimals="INF">10</omex:DebtInstrumentNumberOfInstallments>
<us-gaap:LettersOfCreditOutstandingAmount id="Factid_20908790" contextRef="PAsOn12_31_2020_NoteTwoMemberusgaapLongtermDebtTypeAxis" unitRef="Unit_USD" decimals="0">1175000</us-gaap:LettersOfCreditOutstandingAmount>
<us-gaap:DebtInstrumentConvertibleThresholdConsecutiveTradingDays1 id="Factid_20909823" contextRef="P01_01_2021To03_31_2021" unitRef="Unit_d" decimals="0">20</us-gaap:DebtInstrumentConvertibleThresholdConsecutiveTradingDays1>
<us-gaap:AccountsReceivableNetCurrent id="Factid_20909836" contextRef="PAsOn03_31_2021" unitRef="Unit_USD" decimals="0">220991</us-gaap:AccountsReceivableNetCurrent>
<omex:ScheduleOfAllocationOfCashProceedsToDerivativeComponentsAtTheirFairValuesTableTextBlock id="Factid_20912286" contextRef="P01_01_2021To03_31_2021_OceanicaResourcesMemberusgaapRelatedPartyTransactionsByRelatedPartyAxis">&lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;Based on the previous conclusions, we allocated the cash proceeds first to the debt at its present value using a market rate of 15%, which is management&amp;#8217;s estimate of a market rate loan for the Company, with the residual allocated to the Oceanica Call Option, as follows: &lt;/div&gt;&lt;/div&gt; &lt;div style="margin-bottom: 0px; margin-top: 0px;"&gt;&amp;#160;&lt;/div&gt; &lt;div style="font-size: 12pt; margin-top: 0pt; margin-bottom: 0pt;"&gt;&lt;div style="font-size: 12pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&amp;#160;&lt;/div&gt;&lt;/div&gt; &lt;table border="0" cellpadding="0" cellspacing="0" style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; border-collapse: collapse; border-spacing: 0px;;margin : 0px auto;;text-align:left;;width:100%;"&gt;&lt;tr style="font-size: 0px;"&gt;&lt;td style="width:44%;"&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;;width:2%;"&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;;width:2%;"&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;;width:2%;"&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;;width:2%;"&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;;width:2%;"&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;;width:2%;"&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 8pt; page-break-inside: avoid;"&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td colspan="2" style="border-bottom-color: rgb(0, 0, 0); border-bottom-width: 1pt; border-bottom-style: solid;;text-align:center;;vertical-align:bottom;"&gt;Tranche 1&lt;/td&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td colspan="2" style="border-bottom-color: rgb(0, 0, 0); border-bottom-width: 1pt; border-bottom-style: solid;;text-align:center;;vertical-align:bottom;"&gt;Tranche 2&lt;/td&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td colspan="2" style="border-bottom-color: rgb(0, 0, 0); border-bottom-width: 1pt; border-bottom-style: solid;;text-align:center;;vertical-align:bottom;"&gt;Tranche 3&lt;/td&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td colspan="2" style="border-bottom-color: rgb(0, 0, 0); border-bottom-width: 1pt; border-bottom-style: solid;;text-align:center;;vertical-align:bottom;"&gt;Tranche 4&lt;/td&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td colspan="2" style="border-bottom-color: rgb(0, 0, 0); border-bottom-width: 1pt; border-bottom-style: solid;;text-align:center;;vertical-align:bottom;"&gt;Tranche 5&lt;/td&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td colspan="2" style="border-bottom-color: rgb(0, 0, 0); border-bottom-width: 1pt; border-bottom-style: solid;;text-align:center;;vertical-align:bottom;"&gt;Total&lt;/td&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px; background-color: rgb(204, 238, 255);;display:inline;"&gt;Promissory Note&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;1,932,759&lt;/td&gt;&lt;td style="white-space: nowrap; font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;5,826,341&lt;/td&gt;&lt;td style="white-space: nowrap; font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;2,924,172&lt;/td&gt;&lt;td style="white-space: nowrap; font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;1,960,089&lt;/td&gt;&lt;td style="white-space: nowrap; font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;1,723,492&lt;/td&gt;&lt;td style="white-space: nowrap; font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;14,366,853&lt;/td&gt;&lt;td style="white-space: nowrap; font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;Deferred Income (Oceanica Call Option)&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;67,241&lt;/td&gt;&lt;td style="white-space: nowrap; font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;173,659&lt;/td&gt;&lt;td style="white-space: nowrap; font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;75,828&lt;/td&gt;&lt;td style="white-space: nowrap; font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;39,911&lt;/td&gt;&lt;td style="white-space: nowrap; font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;26,509&lt;/td&gt;&lt;td style="white-space: nowrap; font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;383,148&lt;/td&gt;&lt;td style="white-space: nowrap; font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-size: 1px;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px; background-color: rgb(204, 238, 255);;display:inline;"&gt;Proceeds&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;2,000,000&lt;/td&gt;&lt;td style="white-space: nowrap; font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;6,000,000&lt;/td&gt;&lt;td style="white-space: nowrap; font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;3,000,000&lt;/td&gt;&lt;td style="white-space: nowrap; font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;2,000,000&lt;/td&gt;&lt;td style="white-space: nowrap; font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;1,750,0001&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;14,750,001&lt;/td&gt;&lt;td style="white-space: nowrap; font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-size: 1px;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;table border="0" style="width:100%; table-layout:fixed;" cellspacing="0" cellpadding="0"&gt;&lt;tr&gt;&lt;td&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;</omex:ScheduleOfAllocationOfCashProceedsToDerivativeComponentsAtTheirFairValuesTableTextBlock>
<us-gaap:CommitmentsAndContingencies id="Factid_21438564" contextRef="PAsOn03_31_2021" unitRef="Unit_USD" xsi:nil="true" />
<us-gaap:CommitmentsAndContingencies id="Factid_21438565" contextRef="PAsOn12_31_2020" unitRef="Unit_USD" xsi:nil="true" />
<omex:CommonStockAccruedInterestWriteoff id="Factid_21438600" contextRef="P01_01_2020To03_31_2020" unitRef="Unit_USD" decimals="0">34520</omex:CommonStockAccruedInterestWriteoff>
<omex:LenderFinancedDebtFees id="Factid_21438638" contextRef="P01_01_2020To03_31_2020_NonCashLitigationFinancingMemberusgaapLitigationStatusAxis" unitRef="Unit_USD" decimals="0">200000</omex:LenderFinancedDebtFees>
<us-gaap:SignificantAccountingPoliciesTextBlock id="Factid_21438684" contextRef="P01_01_2021To03_31_2021">&lt;div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;NOTE B - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES &lt;/div&gt;&lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;This summary of significant accounting policies of the Company is presented to assist in understanding our consolidated financial statements. The financial statements and notes are representations of the Company&amp;#8217;s management who are responsible for their integrity and objectivity and have prepared them in accordance with our customary accounting practices. &lt;/div&gt;&lt;/div&gt;  &lt;div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;Principles of Consolidation &lt;/div&gt;&lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"&gt;The consolidated financial statements include the accounts of the Company and its direct and indirect wholly owned subsidiaries, both domestic and international. Equity investments in which we exercise significant influence but do not control and of which we are not the primary beneficiary are accounted for using the equity method. All significant inter-company and intra-company transactions and balances have been eliminated. The results of operations attributable to the &lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;non-controlling&lt;/div&gt; interest are presented within equity and net income and are shown separately from the Company&amp;#8217;s equity and net income attributable to the Company. Some of the existing inter-company balances, which are eliminated upon consolidation, include features allowing the liability to be converted into equity of a subsidiary, which if exercised, could increase the direct or indirect interest of the Company in the &lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;non-wholly&lt;/div&gt; owned subsidiaries. &lt;/div&gt;  &lt;div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;Use of Estimates &lt;/div&gt;&lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;Management uses estimates and assumptions in preparing these consolidated financial statements in accordance with U.S. GAAP. Those estimates and assumptions affect the reported amounts of assets and liabilities, the disclosure of contingent assets and liabilities, and the reported revenues and expenses. Actual results could vary from the estimates that were used. &lt;/div&gt;&lt;/div&gt;  &lt;div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"&gt;&lt;div style="letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;Reclassifications &lt;/div&gt;&lt;/div&gt;&lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"&gt;&lt;div style="letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;Certain reclassifications have been made to the 2020 consolidated financial statements in order to conform to the classifications used in 2021. The reclassifications had no impact to operations or working capital. &lt;/div&gt;&lt;/div&gt;&lt;/div&gt; &lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt; &lt;/div&gt;  &lt;div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"&gt;&lt;div style="letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;Revenue Recognition and Accounts Receivable &lt;/div&gt;&lt;/div&gt;&lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"&gt;&lt;div style="letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;Revenue is recognized when a customer obtains control of promised goods or services, in an amount that reflects the consideration which the Company expects to receive in exchange for those goods or services. To determine revenue recognition for arrangements that the Company determines are within the scope of ASC Topic 606, the Company performs the following five steps: (i)&amp;#160;identify the contract(s) with a customer; (ii)&amp;#160;identify the performance obligations in the contract; (iii)&amp;#160;determine the transaction price; (iv)&amp;#160;allocate the transaction price to the performance obligations in the contract; and (v)&amp;#160;recognize revenue when (or as) the Company satisfies a performance obligation. The Company only applies the five-step model to contracts when it is probable that the Company will collect the consideration it is entitled to in exchange for the goods or services it transfers to the customer. At contract inception, once the contract is determined to be within the scope of ASC Topic 606, the Company assesses the goods or services promised within each contract and determines those that are performance obligations and assesses whether each promised good or service is distinct. The Company then recognizes as revenue the amount of the transaction price that is allocated to the respective performance obligation when (or as) the performance obligation is satisfied. Sales, value add, and other taxes collected on behalf of third parties are excluded from revenue. &lt;/div&gt;&lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;&lt;div style="letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;The Company currently generates revenues from service contracts with customers. Currently, there are two sources of revenue, marine services and other services. The contracts for these services provide research, scientific services, marine operations planning, management execution and project management. These services are billed generally on a monthly basis and recognized as revenue as the services are performed. Revenue is recognized at a point in time as services are provided, as the customers simultaneously receive and consume the benefits provided by the Company each month. The Company generally does not receive any upfront consideration for these services, and there is no variable consideration for the services.&amp;#160;Costs associated with both services include all direct consulting labor, and minimal supplies, and is charged to operations as a component of Operations and Research. &lt;/div&gt;&lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;&lt;div style="letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;Accounts receivable are based on amounts billed to customers. Generally accepted accounting principles state an estimate is to be made for an allowance for doubtful accounts. We have determined no allowance is currently necessary. If we were to have a recorded allowance, the accounts receivable would be stated net of the recorded allowance. &lt;/div&gt;&lt;/div&gt;&lt;/div&gt; &lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt; &lt;/div&gt;  &lt;div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;Cash and Cash Equivalents &lt;/div&gt;&lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;Cash and cash equivalents include cash on hand and cash in banks. We also consider all highly liquid investments with a maturity of &lt;div style="letter-spacing: 0px; top: 0px;;display:inline;"&gt;three&lt;/div&gt; months or less when purchased to be cash equivalents. &lt;/div&gt;&lt;/div&gt;  &lt;div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"&gt;&lt;div style="letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;Exploration License &lt;/div&gt;&lt;/div&gt;&lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"&gt;&lt;div style="letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;The Company follows the guidance pursuant to ASU 350, &amp;#8220;&lt;div style="font-style:italic;display:inline;;font-style:italic;display:inline;"&gt;Intangibles-Goodwill and Other&lt;/div&gt;&amp;#8221; in accounting for its Exploration License (see NOTE&amp;#160;E). Management determined the rights to use the license to have an indefinite life. This assessment is based on the historical success of renewing the license since 2006, and the fact that management believes there are no legal, regulatory, or contractual provisions that would limit the useful life of the asset. The exploration license is not dependent on another asset or group of assets that could potentially limit the useful life of the exploration license. In the future, the recoverability of the license will be tested whenever circumstances indicate that its carrying amount may not be recoverable per the guidance of the Accounting Standards Codification (&amp;#8220;ASC&amp;#8221;) for topic 360 for Property, Plant and Equipment&lt;div style="font-style:italic;display:inline;;font-style:italic;display:inline;"&gt;.&lt;/div&gt; &lt;/div&gt;&lt;/div&gt;&lt;/div&gt; &lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt; &lt;/div&gt;  &lt;div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;Long-Lived Assets &lt;/div&gt;&lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;Our policy is to recognize impairment losses relating to long-lived assets in accordance with the ASC 360 Property, Plant and Equipment. Decisions are based on several factors, including, but not limited to, management&amp;#8217;s plans for future operations, recent operating results and projected cash flows. Impairment losses are included in depreciation at the time of impairment. We did not have any impairments in 2021 or 2020. &lt;/div&gt;&lt;/div&gt;  &lt;div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;Property and Equipment and Depreciation &lt;/div&gt;&lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;Property and equipment is stated at historical cost. Depreciation is calculated using the straight-line method at rates based on the assets&amp;#8217; estimated useful lives which are normally between &lt;div style="letter-spacing: 0px; top: 0px;;display:inline;"&gt;three&lt;/div&gt; and &lt;div style="letter-spacing: 0px; top: 0px;;display:inline;"&gt;thirty&lt;/div&gt; years. Leasehold improvements are amortized over their estimated useful lives or lease term, if shorter. Items that may require major overhauls (such as marine equipment) that enhance or extend the useful life of these assets qualify to be capitalized and depreciated over the useful life or remaining life of that asset, whichever was shorter. All other repairs and maintenance were accounted for under the direct-expensing method and are expensed when incurred. &lt;/div&gt;&lt;/div&gt;  &lt;div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;Earnings Per Share &lt;/div&gt;&lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"&gt;Basic earnings per share (&amp;#8220;EPS&amp;#8221;) is computed by dividing income available to common stockholders by the weighted-average number of common shares outstanding for the period. In periods when the Company has income, the Company would calculate basic earnings per share using the &lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;two-class&lt;/div&gt; method, if required, pursuant to ASC 260 &lt;div style="font-style:italic;display:inline;;font-style:italic;display:inline;"&gt;Earnings Per Share.&lt;/div&gt; The &lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;two-class&lt;/div&gt; method was required effective with the issuance of certain senior convertible notes in the past because these notes qualified as a participating security, giving the holder the right to receive dividends should dividends be declared on common stock. Under the &lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;two-class&lt;/div&gt; method, earnings for a period are allocated on a pro rata basis to the common stockholders and to the holders of convertible notes based on the weighted average number of common shares outstanding and number of shares that could be issued upon conversion. The Company does not use the &lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;two-class&lt;/div&gt; method in periods when it generates a loss because the holder of the convertible notes does not participate in losses. Currently, we do not have any outstanding convertible notes that qualify as a participating security. &lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;Diluted EPS reflects the potential dilution that would occur if dilutive securities and other contracts to issue common stock were exercised or converted into common stock or resulted in the issuance of common stock that then shared in our earnings. We use the &lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;if-converted&lt;/div&gt; method to compute potential common shares from stock options, restricted stock units, warrants, preferred stock, convertible notes or other convertible securities. For diluted earnings per share, the Company uses the more dilutive of the &lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;if-converted&lt;/div&gt; method or &lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;two-class&lt;/div&gt; method. When a net loss occurs, potential common shares have an anti-dilutive effect on earnings per share and such shares are excluded from the diluted EPS calculation. &lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;For the three-months ended March&amp;#160;31, 2021 and 2020, the weighted average common shares outstanding &lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;year-to-date&lt;/div&gt;&lt;/div&gt; were 12,610,924 and 9,517,664, respectively. For the periods in which net losses occurred, all potential common shares were excluded from diluted EPS because the effect of including such shares would be anti-dilutive. &lt;/div&gt;  &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;The potential common shares in the following tables represent potential common shares calculated using the &lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;if-converted&lt;/div&gt; method from outstanding options, stock awards and warrants that were excluded from the calculation of diluted EPS: &lt;/div&gt; &lt;div style="font-size: 12pt; margin-top: 0pt; margin-bottom: 0pt;"&gt;&lt;div style="font-size: 12pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&amp;#160;&lt;/div&gt;&lt;/div&gt; &lt;table border="0" cellpadding="0" cellspacing="0" style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; border-spacing: 0px;;margin : 0px auto;;text-align:left;;width:76%;"&gt;&lt;tr style="font-size: 0px;"&gt;&lt;td style="width:70%;"&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;;width:10%;"&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;;width:10%;"&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 8pt; page-break-inside: avoid;"&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td colspan="6" style="text-align:center;;vertical-align:bottom;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;Three Months Ended&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 8pt; page-break-inside: avoid;"&gt;&lt;td style="padding-bottom: 0.7pt;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="padding-bottom: 0.7pt;;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td colspan="2" style="border-bottom: 1pt solid rgb(0, 0, 0);;text-align:center;;vertical-align:bottom;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;March&amp;#160;31,&amp;#160;2021&lt;/div&gt;&lt;/td&gt;&lt;td style="padding-bottom: 0.7pt;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="padding-bottom: 0.7pt;;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td colspan="2" style="border-bottom: 1pt solid rgb(0, 0, 0);;text-align:center;;vertical-align:bottom;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;March&amp;#160;31,&amp;#160;2020&lt;/div&gt;&lt;/td&gt;&lt;td style="padding-bottom: 0.7pt;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px; background-color: rgb(204, 238, 255);;display:inline;"&gt;Average market price during the period&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;7.30&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;3.81&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-size: 1pt;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;;height:8;"&gt;&amp;#160;&lt;/td&gt;&lt;td colspan="4" style="font-family: &amp;quot;times new roman&amp;quot;;;height:8;"&gt;&amp;#160;&lt;/td&gt;&lt;td colspan="4" style="font-family: &amp;quot;times new roman&amp;quot;;;height:8;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;In the money potential common shares from options excluded&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;22,493&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;22,493&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px; background-color: rgb(204, 238, 255);;display:inline;"&gt;In the money potential common shares from warrants excluded&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;3,481,314&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;120,000&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt;  &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;Potential common shares from out of the money options and warrants were also excluded from the computation of diluted EPS because calculation of the associated potential common shares has an anti-dilutive effect on EPS. The following table lists options and warrants that were excluded from diluted EPS: &lt;/div&gt;&lt;/div&gt; &lt;div style="font-size: 1px; margin-top: 12px; margin-bottom: 0px;"&gt;&lt;div style="font-size: 1px; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&amp;#160;&lt;/div&gt;&lt;/div&gt; &lt;table border="0" cellpadding="0" cellspacing="0" style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; border-spacing: 0px; width: 84%;;margin : 0px auto;;text-align:left;"&gt;&lt;tr style="font-size: 0px;"&gt;&lt;td style="width: 61%;"&gt;&lt;/td&gt;&lt;td style="padding: 0px; width: 6%;"&gt;&lt;/td&gt;&lt;td style="padding: 0px; width: 0%;"&gt;&lt;/td&gt;&lt;td style="padding: 0px; width: 0%;"&gt;&lt;/td&gt;&lt;td style="width: 6%;"&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;;width:6%;"&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;;width:6%;"&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 8pt; page-break-inside: avoid;"&gt;&lt;td style="vertical-align:bottom;;width:;"&gt;&lt;div style="margin-bottom: 0px; margin-top: 0px; line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="padding: 0px;;vertical-align:bottom;;width:;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="padding: 0px;;vertical-align:bottom;;width:;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="padding: 0px;;vertical-align:bottom;;width:;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;;width:;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;;width:;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td colspan="6" style="text-align:center;;vertical-align:bottom;;width:;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;Three Months Ended&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;;width:;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 8pt; page-break-inside: avoid;"&gt;&lt;td style="white-space: nowrap; padding-bottom: 0.7pt;;text-align:center;;vertical-align:bottom;;width:;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 8pt; margin-top: 0px; margin-bottom: 0px; border-bottom: 1pt solid rgb(0, 0, 0); display: table-cell; line-height: normal;;text-align:center;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;&amp;#160;&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="white-space: nowrap; padding: 0px 0px 0.7pt;;text-align:center;;vertical-align:bottom;;width:;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; padding: 0px 0px 0.7pt;;text-align:center;;vertical-align:bottom;;width:;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; padding: 0px 0px 0.7pt;;text-align:center;;vertical-align:bottom;;width:;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; padding-bottom: 0.7pt;;text-align:center;;vertical-align:bottom;;width:;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 8pt; margin-top: 0pt; margin-bottom: 0pt; border-bottom: 1pt solid rgb(0, 0, 0); display: table-cell; line-height: normal;;text-align:center;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;&lt;div style="font-size: 8pt; line-height: 115%; font-family: &amp;quot;times new roman&amp;quot;, serif; letter-spacing: 0px; top: 0px;;display:inline;"&gt;Per share&lt;/div&gt;&lt;/div&gt;&lt;br/&gt; &lt;div style="font-size: 8pt; line-height: 115%; font-family: &amp;quot;times new roman&amp;quot;, serif; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;exercise&amp;#160;price&lt;/div&gt;&lt;/div&gt; &lt;/div&gt;&lt;/td&gt;&lt;td style="padding-bottom: 0.7pt;;vertical-align:bottom;;width:;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td colspan="2" style="border-bottom: 1pt solid rgb(0, 0, 0);;text-align:center;;vertical-align:bottom;;width:;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;March&amp;#160;31,&amp;#160;2020&lt;/div&gt;&lt;/td&gt;&lt;td style="padding-bottom: 0.7pt;;vertical-align:bottom;;width:;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="padding-bottom: 0.7pt;;vertical-align:bottom;;width:;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td colspan="2" style="border-bottom: 1pt solid rgb(0, 0, 0);;text-align:center;;vertical-align:bottom;;width:;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;March&amp;#160;31,&amp;#160;2020&lt;/div&gt;&lt;/td&gt;&lt;td style="padding-bottom: 0.7pt;;vertical-align:bottom;;width:;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:top;;width:;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px; background-color: rgb(204, 238, 255);;display:inline;"&gt;Out of the money options excluded:&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255); padding: 0px;;vertical-align:top;;width:;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255); padding: 0px;;vertical-align:top;;width:;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255); padding: 0px;;vertical-align:top;;width:;"&gt;&amp;#160;&lt;/td&gt;&lt;td colspan="4" style="background-color: rgb(204, 238, 255); padding: 0px;;vertical-align:top;;width:;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:top;;width:;"&gt;&lt;div style="text-indent: 0em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0px; margin-bottom: 0px; margin-left: 0em; line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;;width:;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255);;vertical-align:bottom;;width:;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255);;vertical-align:bottom;;width:;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255);;vertical-align:bottom;;width:;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; width: 61%;;vertical-align:bottom;"&gt;&lt;/td&gt;&lt;td style="padding: 0px; width: 6%;;text-align:center;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="padding: 0px; width: 0%;;text-align:center;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="padding: 0px; width: 0%;;text-align:center;;vertical-align:bottom;"&gt;&lt;div style="letter-spacing: 0px; top: 0px;;display:inline;"&gt;$&lt;/div&gt;&lt;/td&gt;&lt;td style="text-align: right; width: 6%;;vertical-align:bottom;"&gt;12.48&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;136,833&lt;/td&gt;&lt;td style="white-space: nowrap; font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;136,833&lt;/td&gt;&lt;td style="white-space: nowrap; font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255); width: 61%;;vertical-align:bottom;"&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255); padding: 0px; width: 6%;;text-align:center;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255); padding: 0px; width: 0%;;text-align:center;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255); padding: 0px; width: 0%;;text-align:center;;vertical-align:bottom;"&gt;&lt;div style="background-color: rgb(204, 238, 255); letter-spacing: 0px; top: 0px;;display:inline;"&gt;$&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255); text-align: right; width: 6%;;vertical-align:bottom;"&gt;12.84&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;4,167&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;4,167&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="padding: 0pt; width: 61%;;text-align:right;;vertical-align:bottom;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; letter-spacing: 0px; top: 0px; white-space: nowrap;;display:inline;"&gt;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="padding: 0px; width: 6%;;text-align:center;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="padding: 0px; width: 0%;;text-align:center;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="padding: 0px; width: 0%;;text-align:center;;vertical-align:bottom;"&gt;&lt;div style="letter-spacing: 0px; top: 0px;;display:inline;"&gt;$&lt;/div&gt;&lt;/td&gt;&lt;td style="text-align: right; width: 6%;;vertical-align:bottom;"&gt;26.40&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;75,158&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;75,158&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:top;;width:;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px; background-color: rgb(204, 238, 255);;display:inline;"&gt;&lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px; background-color: rgb(204, 238, 255);;display:inline;"&gt;&lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px; background-color: rgb(204, 238, 255);;display:inline;"&gt;Out-of-the-money&lt;/div&gt; &lt;/div&gt;&lt;/div&gt; warrants excluded:&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255); padding: 0px;;vertical-align:top;;width:;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255); padding: 0px;;vertical-align:top;;width:;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255); padding: 0px;;vertical-align:top;;width:;"&gt;&amp;#160;&lt;/td&gt;&lt;td colspan="4" style="background-color: rgb(204, 238, 255); padding: 0px; text-align: right;;vertical-align:top;;width:;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:top;;width:;"&gt;&lt;div style="text-indent: 0em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0px; margin-bottom: 0px; margin-left: 0em; line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;;width:;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;;width:;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;;width:;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;;width:;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; width: 61%;;vertical-align:bottom;"&gt;&lt;/td&gt;&lt;td style="padding: 0px; width: 6%;;text-align:center;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="padding: 0px; width: 0%;;text-align:center;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="padding: 0px; width: 0%;;text-align:center;;vertical-align:bottom;"&gt;&lt;div style="letter-spacing: 0px; top: 0px;;display:inline;"&gt;$&lt;/div&gt;&lt;/td&gt;&lt;td style="text-align: right; width: 6%;;vertical-align:bottom;"&gt;3.99&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;&amp;#8212;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;426,065&lt;/td&gt;&lt;td style="white-space: nowrap; font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255); width: 61%;;vertical-align:bottom;"&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255); padding: 0px; width: 6%;;text-align:center;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255); padding: 0px; width: 0%;;text-align:center;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255); padding: 0px; width: 0%;;text-align:center;;vertical-align:bottom;"&gt;&lt;div style="background-color: rgb(204, 238, 255); letter-spacing: 0px; top: 0px;;display:inline;"&gt;$&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255); text-align: right; width: 6%;;vertical-align:bottom;"&gt;5.76&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;&amp;#8212;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;196,135&lt;/td&gt;&lt;td style="white-space: nowrap; font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; width: 61%;;vertical-align:top;"&gt;&lt;/td&gt;&lt;td style="padding: 0px; width: 6%;;text-align:center;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="padding: 0px; width: 0%;;text-align:center;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="padding: 0px; width: 0%;;text-align:center;;vertical-align:bottom;"&gt;&lt;div style="letter-spacing: 0px; top: 0px;;display:inline;"&gt;$&lt;/div&gt;&lt;/td&gt;&lt;td style="text-align: right; width: 6%;;vertical-align:bottom;"&gt;7.16&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;&amp;#8212;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;700,000&lt;/td&gt;&lt;td style="white-space: nowrap; font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-size: 1px;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; width: 61%;;vertical-align:bottom;"&gt;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; padding: 0px; width: 6%;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; padding: 0px; width: 0%;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; padding: 0px; width: 0%;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; width: 6%;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td colspan="5" style="background-color: rgb(204, 238, 255);;vertical-align:top;;width:;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px; background-color: rgb(204, 238, 255);;display:inline;"&gt;Total excluded&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;;width:;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;;width:;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;;width:;"&gt;216,158&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;;width:;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;;width:;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;;width:;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;;width:;"&gt;1,538,358&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;;width:;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-size: 1px;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; width: 61%;;vertical-align:bottom;"&gt;&lt;div style="margin-bottom: 0px; margin-top: 0px; line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; padding: 0px; width: 6%;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; padding: 0px; width: 0%;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; padding: 0px; width: 0%;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; width: 6%;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt;   &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;The common shares relating to our unvested restricted stock awards that were excluded from potential common shares in the earning per share calculation due to having an anti-dilutive effect are: &lt;/div&gt;&lt;/div&gt; &lt;div style="font-size: 12pt; margin-top: 0pt; margin-bottom: 0pt;"&gt;&lt;div style="font-size: 12pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&amp;#160;&lt;/div&gt;&lt;/div&gt; &lt;table border="0" cellpadding="0" cellspacing="0" style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 8pt; border-spacing: 0px;;margin : 0px auto;;text-align:left;;width:76%;"&gt;&lt;tr style="font-size: 0px;"&gt;&lt;td style="width:71%;"&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;;width:7%;"&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;;width:7%;"&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 8pt; page-break-inside: avoid;"&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td colspan="6" style="text-align:center;;vertical-align:bottom;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;Three Months Ended&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 8pt; page-break-inside: avoid;"&gt;&lt;td style="padding-bottom: 0.7pt;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="padding-bottom: 0.7pt;;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td colspan="2" style="border-bottom: 1pt solid rgb(0, 0, 0);;text-align:center;;vertical-align:bottom;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;March&amp;#160;31,&amp;#160;2021&lt;/div&gt;&lt;/td&gt;&lt;td style="padding-bottom: 0.7pt;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="padding-bottom: 0.7pt;;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td colspan="2" style="border-bottom: 1pt solid rgb(0, 0, 0);;text-align:center;;vertical-align:bottom;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;March&amp;#160;31,&amp;#160;2020&lt;/div&gt;&lt;/td&gt;&lt;td style="padding-bottom: 0.7pt;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px; background-color: rgb(204, 238, 255);;display:inline;"&gt;Potential common shares from unvested restricted stock awards excluded from EPS&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;447,164&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;343,353&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-size: 1px;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt;  &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;The following is a reconciliation of the numerators and denominators used in computing basic and diluted net income per share: &lt;/div&gt;&lt;/div&gt; &lt;div style="font-size: 12pt; margin-top: 0pt; margin-bottom: 0pt;"&gt;&lt;div style="font-size: 12pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&amp;#160;&lt;/div&gt;&lt;/div&gt; &lt;table border="0" cellpadding="0" cellspacing="0" style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; border-spacing: 0px;;margin : 0px auto;;text-align:left;;width:76%;"&gt;&lt;tr style="font-size: 0px;"&gt;&lt;td style="width:71%;"&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;;width:5%;"&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;;width:4%;"&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 8pt; page-break-inside: avoid;"&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td colspan="6" style="text-align:center;;vertical-align:bottom;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;Three Months Ended&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 8pt; page-break-inside: avoid;"&gt;&lt;td style="padding-bottom: 0.7pt;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="padding-bottom: 0.7pt;;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td colspan="2" style="border-bottom: 1pt solid rgb(0, 0, 0);;text-align:center;;vertical-align:bottom;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;March&amp;#160;31,&amp;#160;2021&lt;/div&gt;&lt;/td&gt;&lt;td style="padding-bottom: 0.7pt;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="padding-bottom: 0.7pt;;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td colspan="2" style="border-bottom: 1pt solid rgb(0, 0, 0);;text-align:center;;vertical-align:bottom;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;March&amp;#160;31,&amp;#160;2020&lt;/div&gt;&lt;/td&gt;&lt;td style="padding-bottom: 0.7pt;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px; background-color: rgb(204, 238, 255);;display:inline;"&gt;Net income (loss)&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;(3,720,218&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;)&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;(2,897,976&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;)&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-size: 1px;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;Numerator, basic and diluted net income (loss) available to stockholders&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;(3,720,218&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;)&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;(2,897,976&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;)&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-size: 1px;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px; background-color: rgb(204, 238, 255);;display:inline;"&gt;Denominator:&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;Shares used in computation &amp;#8211; basic:&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px; background-color: rgb(204, 238, 255);;display:inline;"&gt;Weighted average common shares outstanding&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;12,610,924&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;9,517,664&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-size: 1px;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;Common shares outstanding for basic&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;12,610,924&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;9,517,664&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-size: 1px;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px; background-color: rgb(204, 238, 255);;display:inline;"&gt;Shares used in computation &amp;#8211; diluted:&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;Common shares outstanding for basic&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;12,610,924&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;9,517,664&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-size: 1px;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px; background-color: rgb(204, 238, 255);;display:inline;"&gt;Shares used in computing diluted net income per share&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;12,610,924&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;9,517,664&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-size: 1px;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;Net (loss) per share &amp;#8211; basic&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;(0.29&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;)&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;(0.30&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;)&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px; background-color: rgb(204, 238, 255);;display:inline;"&gt;Net (loss) per share &amp;#8211; diluted&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;(0.29&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;)&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;(0.30&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;)&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt;   &lt;div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;Income Taxes &lt;/div&gt;&lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;Income taxes are accounted for using an asset and liability approach that requires the recognition of deferred tax assets and liabilities for the expected future tax consequences attributable to differences between financial statement carrying amounts of existing assets and liabilities and their respective tax bases. A valuation allowance is provided when it is more likely than not that some portion or the entire deferred tax asset will not be realized. &lt;/div&gt;&lt;/div&gt;  &lt;div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;Stock-based Compensation &lt;/div&gt;&lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;Our stock-based compensation is recorded in accordance with the guidance in the ASC topic for &lt;div style="font-style:italic;display:inline;;font-style:italic;display:inline;"&gt;Stock-Based Compensation&lt;/div&gt; (See NOTE J). &lt;/div&gt;&lt;/div&gt;  &lt;div style="font-size: 1px; margin-top: 18px; margin-bottom: 0px;"&gt;&lt;div style="font-size: 1px; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&amp;#160;&lt;/div&gt;&lt;/div&gt;  &lt;div style="font-family: times new roman; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;Fair Value of Financial Instruments &lt;/div&gt;&lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;Financial instruments consist of cash, evidence of ownership in an entity, and contracts that both (i)&amp;#160;impose on one entity a contractual obligation to deliver cash or another financial instrument to a second entity, or to exchange other financial instruments on potentially unfavorable terms with the second entity, and (ii)&amp;#160;conveys to that second entity a contractual right (a)&amp;#160;to receive cash or another financial instrument from the first entity, or (b)&amp;#160;to exchange other financial instruments on potentially favorable terms with the first entity. Accordingly, our financial instruments consist of cash and cash equivalents, accounts receivable, accounts payable, accrued liabilities, derivative financial instruments and mortgage and loans payable. We carry cash and cash equivalents, accounts payable and accrued liabilities, and mortgage and loans payable at the approximate fair market value, and, accordingly, these estimates are not necessarily indicative of the amounts that we could realize in a current market exchange. We carry derivative financial instruments at fair value as is required under current accounting standards. &lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;Derivative financial instruments consist of financial instruments or other contracts that contain a notional amount and one or more underlying variables (e.g., interest rate, security price or other variable), require no initial net investment and permit net settlement. Derivative financial instruments may be free-standing or embedded in other financial instruments. Further, derivative financial instruments are initially, and subsequently, measured at fair value and recorded as liabilities or, in rare instances, assets. We generally do not use derivative financial instruments to hedge exposures to cash-flow, market or foreign-currency risks. However, we have entered into certain other financial instruments and contracts with features that are either (i)&amp;#160;not afforded equity classification, (ii)&amp;#160;embody risks not clearly and closely related to host contracts, or (iii)&amp;#160;may be &lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;net-cash&lt;/div&gt; settled by the counterparty. As required by ASC 815 &amp;#8211; &lt;div style="font-style:italic;display:inline;;font-style:italic;display:inline;"&gt;Derivatives and Hedging&lt;/div&gt;, these instruments are required to be carried as derivative liabilities, at fair value, in our financial statements with changes in fair value reflected in our income. &lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;We adopted ASC Topic 820 for certain financial instruments measured as fair value on a recurring basis. ASC Topic 820 defines fair value, established a framework for measuring fair value in accordance with accounting principles generally accepted in the United States and expands disclosures about fair value measurements. Fair value is defined as the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date. ASC Topic 820 established a three-tier fair value hierarchy which prioritizes the inputs used in measuring fair value. &lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;The hierarchy gives the highest priority to unadjusted quoted prices in active markets for identical assets or liabilities (level 1 measurements) and the lowest priority to unobservable inputs (level 3 measurements). These tiers include: &lt;/div&gt;&lt;/div&gt; &lt;div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-style:italic;display:inline;;font-style:italic;display:inline;"&gt;Fair Value Hierarchy &lt;/div&gt;&lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;The three levels of inputs that may be used to measure fair value are as follows: &lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-style:italic;display:inline;;font-style:italic;display:inline;"&gt;Level&lt;/div&gt;&lt;div style="font-style:italic;display:inline;;font-style:italic;display:inline;"&gt;&amp;#160;1.&lt;/div&gt;&lt;div style="font-style:italic;display:inline;;font-style:italic;display:inline;"&gt;&amp;#160;&lt;/div&gt;Quoted prices in active markets for identical assets or liabilities. &lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;&lt;div style="font-style:italic;display:inline;;font-style:italic;display:inline;"&gt;Level&lt;/div&gt;&lt;div style="font-style:italic;display:inline;;font-style:italic;display:inline;"&gt;&amp;#160;2.&lt;/div&gt;&lt;div style="font-style:italic;display:inline;;font-style:italic;display:inline;"&gt;&amp;#160;&lt;/div&gt;Observable inputs other than Level&amp;#160;1 prices, such as quoted prices for similar assets or liabilities, quoted prices in markets with insufficient volume or infrequent transactions (less active markets), or model-derived valuations in which all significant inputs are observable or can be derived principally from or corroborated with observable market data for substantially the full term of the assets or liabilities. Level&amp;#160;2 inputs also include &lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;non-binding&lt;/div&gt; market consensus prices that can be corroborated with observable market data, as well as quoted prices that were adjusted for security-specific restrictions. &lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;&lt;div style="font-style:italic;display:inline;;font-style:italic;display:inline;"&gt;Level&lt;/div&gt;&lt;div style="font-style:italic;display:inline;;font-style:italic;display:inline;"&gt;&amp;#160;3.&lt;/div&gt;&lt;div style="font-style:italic;display:inline;;font-style:italic;display:inline;"&gt;&amp;#160;&lt;/div&gt;Unobservable inputs to the valuation methodology are significant to the measurement of the fair value of assets or liabilities. Level&amp;#160;3 inputs also include &lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;non-binding&lt;/div&gt; market consensus prices or &lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;non-binding&lt;/div&gt; broker quotes that we were unable to corroborate with observable market data. &lt;/div&gt;  &lt;div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;Subsequent Events &lt;/div&gt;&lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"&gt;We have evaluated subsequent events for recognition or disclosure through the date this Form &lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;10-Q&lt;/div&gt; is filed with the Securities and Exchange Commission. &lt;/div&gt; &lt;table border="0" style="width:100%; table-layout:fixed;" cellspacing="0" cellpadding="0"&gt;&lt;tr&gt;&lt;td&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;</us-gaap:SignificantAccountingPoliciesTextBlock>
<omex:ReclassificationsPolicyTextBlock id="Factid_21438697" contextRef="P01_01_2021To03_31_2021">&lt;div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"&gt;&lt;div style="letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;Reclassifications &lt;/div&gt;&lt;/div&gt;&lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"&gt;&lt;div style="letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;Certain reclassifications have been made to the 2020 consolidated financial statements in order to conform to the classifications used in 2021. The reclassifications had no impact to operations or working capital. &lt;/div&gt;&lt;/div&gt;&lt;/div&gt;&lt;table border="0" style="width:100%; table-layout:fixed;" cellspacing="0" cellpadding="0"&gt;&lt;tr&gt;&lt;td&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;</omex:ReclassificationsPolicyTextBlock>
<us-gaap:RevenueRecognitionPolicyTextBlock id="Factid_21438698" contextRef="P01_01_2021To03_31_2021">&lt;div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"&gt;&lt;div style="letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;Revenue Recognition and Accounts Receivable &lt;/div&gt;&lt;/div&gt;&lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"&gt;&lt;div style="letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;Revenue is recognized when a customer obtains control of promised goods or services, in an amount that reflects the consideration which the Company expects to receive in exchange for those goods or services. To determine revenue recognition for arrangements that the Company determines are within the scope of ASC Topic 606, the Company performs the following five steps: (i)&amp;#160;identify the contract(s) with a customer; (ii)&amp;#160;identify the performance obligations in the contract; (iii)&amp;#160;determine the transaction price; (iv)&amp;#160;allocate the transaction price to the performance obligations in the contract; and (v)&amp;#160;recognize revenue when (or as) the Company satisfies a performance obligation. The Company only applies the five-step model to contracts when it is probable that the Company will collect the consideration it is entitled to in exchange for the goods or services it transfers to the customer. At contract inception, once the contract is determined to be within the scope of ASC Topic 606, the Company assesses the goods or services promised within each contract and determines those that are performance obligations and assesses whether each promised good or service is distinct. The Company then recognizes as revenue the amount of the transaction price that is allocated to the respective performance obligation when (or as) the performance obligation is satisfied. Sales, value add, and other taxes collected on behalf of third parties are excluded from revenue. &lt;/div&gt;&lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;&lt;div style="letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;The Company currently generates revenues from service contracts with customers. Currently, there are two sources of revenue, marine services and other services. The contracts for these services provide research, scientific services, marine operations planning, management execution and project management. These services are billed generally on a monthly basis and recognized as revenue as the services are performed. Revenue is recognized at a point in time as services are provided, as the customers simultaneously receive and consume the benefits provided by the Company each month. The Company generally does not receive any upfront consideration for these services, and there is no variable consideration for the services.&amp;#160;Costs associated with both services include all direct consulting labor, and minimal supplies, and is charged to operations as a component of Operations and Research. &lt;/div&gt;&lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;&lt;div style="letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;Accounts receivable are based on amounts billed to customers. Generally accepted accounting principles state an estimate is to be made for an allowance for doubtful accounts. We have determined no allowance is currently necessary. If we were to have a recorded allowance, the accounts receivable would be stated net of the recorded allowance. &lt;/div&gt;&lt;/div&gt;&lt;/div&gt;&lt;table border="0" style="width:100%; table-layout:fixed;" cellspacing="0" cellpadding="0"&gt;&lt;tr&gt;&lt;td&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;</us-gaap:RevenueRecognitionPolicyTextBlock>
<omex:ExplorationLicensesPolicyTextBlock id="Factid_21438700" contextRef="P01_01_2021To03_31_2021">&lt;div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"&gt;&lt;div style="letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;Exploration License &lt;/div&gt;&lt;/div&gt;&lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"&gt;&lt;div style="letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;The Company follows the guidance pursuant to ASU 350, &amp;#8220;&lt;div style="font-style:italic;display:inline;;font-style:italic;display:inline;"&gt;Intangibles-Goodwill and Other&lt;/div&gt;&amp;#8221; in accounting for its Exploration License (see NOTE&amp;#160;E). Management determined the rights to use the license to have an indefinite life. This assessment is based on the historical success of renewing the license since 2006, and the fact that management believes there are no legal, regulatory, or contractual provisions that would limit the useful life of the asset. The exploration license is not dependent on another asset or group of assets that could potentially limit the useful life of the exploration license. In the future, the recoverability of the license will be tested whenever circumstances indicate that its carrying amount may not be recoverable per the guidance of the Accounting Standards Codification (&amp;#8220;ASC&amp;#8221;) for topic 360 for Property, Plant and Equipment&lt;div style="font-style:italic;display:inline;;font-style:italic;display:inline;"&gt;.&lt;/div&gt; &lt;/div&gt;&lt;/div&gt;&lt;/div&gt;&lt;table border="0" style="width:100%; table-layout:fixed;" cellspacing="0" cellpadding="0"&gt;&lt;tr&gt;&lt;td&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;</omex:ExplorationLicensesPolicyTextBlock>
<us-gaap:EarningsPerSharePolicyTextBlock id="Factid_21438704" contextRef="P01_01_2021To03_31_2021">&lt;div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;Earnings Per Share &lt;/div&gt;&lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"&gt;Basic earnings per share (&amp;#8220;EPS&amp;#8221;) is computed by dividing income available to common stockholders by the weighted-average number of common shares outstanding for the period. In periods when the Company has income, the Company would calculate basic earnings per share using the &lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;two-class&lt;/div&gt; method, if required, pursuant to ASC 260 &lt;div style="font-style:italic;display:inline;;font-style:italic;display:inline;"&gt;Earnings Per Share.&lt;/div&gt; The &lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;two-class&lt;/div&gt; method was required effective with the issuance of certain senior convertible notes in the past because these notes qualified as a participating security, giving the holder the right to receive dividends should dividends be declared on common stock. Under the &lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;two-class&lt;/div&gt; method, earnings for a period are allocated on a pro rata basis to the common stockholders and to the holders of convertible notes based on the weighted average number of common shares outstanding and number of shares that could be issued upon conversion. The Company does not use the &lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;two-class&lt;/div&gt; method in periods when it generates a loss because the holder of the convertible notes does not participate in losses. Currently, we do not have any outstanding convertible notes that qualify as a participating security. &lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;Diluted EPS reflects the potential dilution that would occur if dilutive securities and other contracts to issue common stock were exercised or converted into common stock or resulted in the issuance of common stock that then shared in our earnings. We use the &lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;if-converted&lt;/div&gt; method to compute potential common shares from stock options, restricted stock units, warrants, preferred stock, convertible notes or other convertible securities. For diluted earnings per share, the Company uses the more dilutive of the &lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;if-converted&lt;/div&gt; method or &lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;two-class&lt;/div&gt; method. When a net loss occurs, potential common shares have an anti-dilutive effect on earnings per share and such shares are excluded from the diluted EPS calculation. &lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;For the three-months ended March&amp;#160;31, 2021 and 2020, the weighted average common shares outstanding &lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;year-to-date&lt;/div&gt;&lt;/div&gt; were 12,610,924 and 9,517,664, respectively. For the periods in which net losses occurred, all potential common shares were excluded from diluted EPS because the effect of including such shares would be anti-dilutive. &lt;/div&gt;  &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;The potential common shares in the following tables represent potential common shares calculated using the &lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;if-converted&lt;/div&gt; method from outstanding options, stock awards and warrants that were excluded from the calculation of diluted EPS: &lt;/div&gt; &lt;div style="font-size: 12pt; margin-top: 0pt; margin-bottom: 0pt;"&gt;&lt;div style="font-size: 12pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&amp;#160;&lt;/div&gt;&lt;/div&gt; &lt;table border="0" cellpadding="0" cellspacing="0" style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; border-spacing: 0px;;margin : 0px auto;;text-align:left;;width:76%;"&gt;&lt;tr style="font-size: 0px;"&gt;&lt;td style="width:70%;"&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;;width:10%;"&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;;width:10%;"&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 8pt; page-break-inside: avoid;"&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td colspan="6" style="text-align:center;;vertical-align:bottom;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;Three Months Ended&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 8pt; page-break-inside: avoid;"&gt;&lt;td style="padding-bottom: 0.7pt;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="padding-bottom: 0.7pt;;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td colspan="2" style="border-bottom: 1pt solid rgb(0, 0, 0);;text-align:center;;vertical-align:bottom;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;March&amp;#160;31,&amp;#160;2021&lt;/div&gt;&lt;/td&gt;&lt;td style="padding-bottom: 0.7pt;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="padding-bottom: 0.7pt;;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td colspan="2" style="border-bottom: 1pt solid rgb(0, 0, 0);;text-align:center;;vertical-align:bottom;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;March&amp;#160;31,&amp;#160;2020&lt;/div&gt;&lt;/td&gt;&lt;td style="padding-bottom: 0.7pt;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px; background-color: rgb(204, 238, 255);;display:inline;"&gt;Average market price during the period&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;7.30&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;3.81&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-size: 1pt;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;;height:8;"&gt;&amp;#160;&lt;/td&gt;&lt;td colspan="4" style="font-family: &amp;quot;times new roman&amp;quot;;;height:8;"&gt;&amp;#160;&lt;/td&gt;&lt;td colspan="4" style="font-family: &amp;quot;times new roman&amp;quot;;;height:8;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;In the money potential common shares from options excluded&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;22,493&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;22,493&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px; background-color: rgb(204, 238, 255);;display:inline;"&gt;In the money potential common shares from warrants excluded&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;3,481,314&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;120,000&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt;  &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;Potential common shares from out of the money options and warrants were also excluded from the computation of diluted EPS because calculation of the associated potential common shares has an anti-dilutive effect on EPS. The following table lists options and warrants that were excluded from diluted EPS: &lt;/div&gt;&lt;/div&gt; &lt;div style="font-size: 1px; margin-top: 12px; margin-bottom: 0px;"&gt;&lt;div style="font-size: 1px; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&amp;#160;&lt;/div&gt;&lt;/div&gt; &lt;table border="0" cellpadding="0" cellspacing="0" style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; border-spacing: 0px; width: 84%;;margin : 0px auto;;text-align:left;"&gt;&lt;tr style="font-size: 0px;"&gt;&lt;td style="width: 61%;"&gt;&lt;/td&gt;&lt;td style="padding: 0px; width: 6%;"&gt;&lt;/td&gt;&lt;td style="padding: 0px; width: 0%;"&gt;&lt;/td&gt;&lt;td style="padding: 0px; width: 0%;"&gt;&lt;/td&gt;&lt;td style="width: 6%;"&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;;width:6%;"&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;;width:6%;"&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 8pt; page-break-inside: avoid;"&gt;&lt;td style="vertical-align:bottom;;width:;"&gt;&lt;div style="margin-bottom: 0px; margin-top: 0px; line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="padding: 0px;;vertical-align:bottom;;width:;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="padding: 0px;;vertical-align:bottom;;width:;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="padding: 0px;;vertical-align:bottom;;width:;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;;width:;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;;width:;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td colspan="6" style="text-align:center;;vertical-align:bottom;;width:;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;Three Months Ended&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;;width:;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 8pt; page-break-inside: avoid;"&gt;&lt;td style="white-space: nowrap; padding-bottom: 0.7pt;;text-align:center;;vertical-align:bottom;;width:;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 8pt; margin-top: 0px; margin-bottom: 0px; border-bottom: 1pt solid rgb(0, 0, 0); display: table-cell; line-height: normal;;text-align:center;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;&amp;#160;&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="white-space: nowrap; padding: 0px 0px 0.7pt;;text-align:center;;vertical-align:bottom;;width:;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; padding: 0px 0px 0.7pt;;text-align:center;;vertical-align:bottom;;width:;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; padding: 0px 0px 0.7pt;;text-align:center;;vertical-align:bottom;;width:;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; padding-bottom: 0.7pt;;text-align:center;;vertical-align:bottom;;width:;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 8pt; margin-top: 0pt; margin-bottom: 0pt; border-bottom: 1pt solid rgb(0, 0, 0); display: table-cell; line-height: normal;;text-align:center;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;&lt;div style="font-size: 8pt; line-height: 115%; font-family: &amp;quot;times new roman&amp;quot;, serif; letter-spacing: 0px; top: 0px;;display:inline;"&gt;Per share&lt;/div&gt;&lt;/div&gt;&lt;br/&gt; &lt;div style="font-size: 8pt; line-height: 115%; font-family: &amp;quot;times new roman&amp;quot;, serif; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;exercise&amp;#160;price&lt;/div&gt;&lt;/div&gt; &lt;/div&gt;&lt;/td&gt;&lt;td style="padding-bottom: 0.7pt;;vertical-align:bottom;;width:;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td colspan="2" style="border-bottom: 1pt solid rgb(0, 0, 0);;text-align:center;;vertical-align:bottom;;width:;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;March&amp;#160;31,&amp;#160;2020&lt;/div&gt;&lt;/td&gt;&lt;td style="padding-bottom: 0.7pt;;vertical-align:bottom;;width:;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="padding-bottom: 0.7pt;;vertical-align:bottom;;width:;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td colspan="2" style="border-bottom: 1pt solid rgb(0, 0, 0);;text-align:center;;vertical-align:bottom;;width:;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;March&amp;#160;31,&amp;#160;2020&lt;/div&gt;&lt;/td&gt;&lt;td style="padding-bottom: 0.7pt;;vertical-align:bottom;;width:;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:top;;width:;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px; background-color: rgb(204, 238, 255);;display:inline;"&gt;Out of the money options excluded:&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255); padding: 0px;;vertical-align:top;;width:;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255); padding: 0px;;vertical-align:top;;width:;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255); padding: 0px;;vertical-align:top;;width:;"&gt;&amp;#160;&lt;/td&gt;&lt;td colspan="4" style="background-color: rgb(204, 238, 255); padding: 0px;;vertical-align:top;;width:;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:top;;width:;"&gt;&lt;div style="text-indent: 0em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0px; margin-bottom: 0px; margin-left: 0em; line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;;width:;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255);;vertical-align:bottom;;width:;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255);;vertical-align:bottom;;width:;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255);;vertical-align:bottom;;width:;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; width: 61%;;vertical-align:bottom;"&gt;&lt;/td&gt;&lt;td style="padding: 0px; width: 6%;;text-align:center;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="padding: 0px; width: 0%;;text-align:center;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="padding: 0px; width: 0%;;text-align:center;;vertical-align:bottom;"&gt;&lt;div style="letter-spacing: 0px; top: 0px;;display:inline;"&gt;$&lt;/div&gt;&lt;/td&gt;&lt;td style="text-align: right; width: 6%;;vertical-align:bottom;"&gt;12.48&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;136,833&lt;/td&gt;&lt;td style="white-space: nowrap; font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;136,833&lt;/td&gt;&lt;td style="white-space: nowrap; font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255); width: 61%;;vertical-align:bottom;"&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255); padding: 0px; width: 6%;;text-align:center;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255); padding: 0px; width: 0%;;text-align:center;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255); padding: 0px; width: 0%;;text-align:center;;vertical-align:bottom;"&gt;&lt;div style="background-color: rgb(204, 238, 255); letter-spacing: 0px; top: 0px;;display:inline;"&gt;$&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255); text-align: right; width: 6%;;vertical-align:bottom;"&gt;12.84&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;4,167&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;4,167&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="padding: 0pt; width: 61%;;text-align:right;;vertical-align:bottom;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; letter-spacing: 0px; top: 0px; white-space: nowrap;;display:inline;"&gt;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="padding: 0px; width: 6%;;text-align:center;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="padding: 0px; width: 0%;;text-align:center;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="padding: 0px; width: 0%;;text-align:center;;vertical-align:bottom;"&gt;&lt;div style="letter-spacing: 0px; top: 0px;;display:inline;"&gt;$&lt;/div&gt;&lt;/td&gt;&lt;td style="text-align: right; width: 6%;;vertical-align:bottom;"&gt;26.40&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;75,158&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;75,158&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:top;;width:;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px; background-color: rgb(204, 238, 255);;display:inline;"&gt;&lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px; background-color: rgb(204, 238, 255);;display:inline;"&gt;&lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px; background-color: rgb(204, 238, 255);;display:inline;"&gt;Out-of-the-money&lt;/div&gt; &lt;/div&gt;&lt;/div&gt; warrants excluded:&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255); padding: 0px;;vertical-align:top;;width:;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255); padding: 0px;;vertical-align:top;;width:;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255); padding: 0px;;vertical-align:top;;width:;"&gt;&amp;#160;&lt;/td&gt;&lt;td colspan="4" style="background-color: rgb(204, 238, 255); padding: 0px; text-align: right;;vertical-align:top;;width:;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:top;;width:;"&gt;&lt;div style="text-indent: 0em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0px; margin-bottom: 0px; margin-left: 0em; line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;;width:;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;;width:;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;;width:;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;;width:;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; width: 61%;;vertical-align:bottom;"&gt;&lt;/td&gt;&lt;td style="padding: 0px; width: 6%;;text-align:center;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="padding: 0px; width: 0%;;text-align:center;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="padding: 0px; width: 0%;;text-align:center;;vertical-align:bottom;"&gt;&lt;div style="letter-spacing: 0px; top: 0px;;display:inline;"&gt;$&lt;/div&gt;&lt;/td&gt;&lt;td style="text-align: right; width: 6%;;vertical-align:bottom;"&gt;3.99&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;&amp;#8212;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;426,065&lt;/td&gt;&lt;td style="white-space: nowrap; font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255); width: 61%;;vertical-align:bottom;"&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255); padding: 0px; width: 6%;;text-align:center;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255); padding: 0px; width: 0%;;text-align:center;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255); padding: 0px; width: 0%;;text-align:center;;vertical-align:bottom;"&gt;&lt;div style="background-color: rgb(204, 238, 255); letter-spacing: 0px; top: 0px;;display:inline;"&gt;$&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255); text-align: right; width: 6%;;vertical-align:bottom;"&gt;5.76&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;&amp;#8212;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;196,135&lt;/td&gt;&lt;td style="white-space: nowrap; font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; width: 61%;;vertical-align:top;"&gt;&lt;/td&gt;&lt;td style="padding: 0px; width: 6%;;text-align:center;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="padding: 0px; width: 0%;;text-align:center;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="padding: 0px; width: 0%;;text-align:center;;vertical-align:bottom;"&gt;&lt;div style="letter-spacing: 0px; top: 0px;;display:inline;"&gt;$&lt;/div&gt;&lt;/td&gt;&lt;td style="text-align: right; width: 6%;;vertical-align:bottom;"&gt;7.16&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;&amp;#8212;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;700,000&lt;/td&gt;&lt;td style="white-space: nowrap; font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-size: 1px;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; width: 61%;;vertical-align:bottom;"&gt;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; padding: 0px; width: 6%;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; padding: 0px; width: 0%;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; padding: 0px; width: 0%;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; width: 6%;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td colspan="5" style="background-color: rgb(204, 238, 255);;vertical-align:top;;width:;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px; background-color: rgb(204, 238, 255);;display:inline;"&gt;Total excluded&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;;width:;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;;width:;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;;width:;"&gt;216,158&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;;width:;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;;width:;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;;width:;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;;width:;"&gt;1,538,358&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;;width:;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-size: 1px;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; width: 61%;;vertical-align:bottom;"&gt;&lt;div style="margin-bottom: 0px; margin-top: 0px; line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; padding: 0px; width: 6%;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; padding: 0px; width: 0%;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; padding: 0px; width: 0%;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; width: 6%;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt;   &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;The common shares relating to our unvested restricted stock awards that were excluded from potential common shares in the earning per share calculation due to having an anti-dilutive effect are: &lt;/div&gt;&lt;/div&gt; &lt;div style="font-size: 12pt; margin-top: 0pt; margin-bottom: 0pt;"&gt;&lt;div style="font-size: 12pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&amp;#160;&lt;/div&gt;&lt;/div&gt; &lt;table border="0" cellpadding="0" cellspacing="0" style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 8pt; border-spacing: 0px;;margin : 0px auto;;text-align:left;;width:76%;"&gt;&lt;tr style="font-size: 0px;"&gt;&lt;td style="width:71%;"&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;;width:7%;"&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;;width:7%;"&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 8pt; page-break-inside: avoid;"&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td colspan="6" style="text-align:center;;vertical-align:bottom;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;Three Months Ended&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 8pt; page-break-inside: avoid;"&gt;&lt;td style="padding-bottom: 0.7pt;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="padding-bottom: 0.7pt;;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td colspan="2" style="border-bottom: 1pt solid rgb(0, 0, 0);;text-align:center;;vertical-align:bottom;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;March&amp;#160;31,&amp;#160;2021&lt;/div&gt;&lt;/td&gt;&lt;td style="padding-bottom: 0.7pt;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="padding-bottom: 0.7pt;;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td colspan="2" style="border-bottom: 1pt solid rgb(0, 0, 0);;text-align:center;;vertical-align:bottom;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;March&amp;#160;31,&amp;#160;2020&lt;/div&gt;&lt;/td&gt;&lt;td style="padding-bottom: 0.7pt;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px; background-color: rgb(204, 238, 255);;display:inline;"&gt;Potential common shares from unvested restricted stock awards excluded from EPS&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;447,164&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;343,353&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-size: 1px;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt;  &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;The following is a reconciliation of the numerators and denominators used in computing basic and diluted net income per share: &lt;/div&gt;&lt;/div&gt; &lt;div style="font-size: 12pt; margin-top: 0pt; margin-bottom: 0pt;"&gt;&lt;div style="font-size: 12pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&amp;#160;&lt;/div&gt;&lt;/div&gt; &lt;table border="0" cellpadding="0" cellspacing="0" style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; border-spacing: 0px;;margin : 0px auto;;text-align:left;;width:76%;"&gt;&lt;tr style="font-size: 0px;"&gt;&lt;td style="width:71%;"&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;;width:5%;"&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;;width:4%;"&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 8pt; page-break-inside: avoid;"&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td colspan="6" style="text-align:center;;vertical-align:bottom;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;Three Months Ended&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 8pt; page-break-inside: avoid;"&gt;&lt;td style="padding-bottom: 0.7pt;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="padding-bottom: 0.7pt;;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td colspan="2" style="border-bottom: 1pt solid rgb(0, 0, 0);;text-align:center;;vertical-align:bottom;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;March&amp;#160;31,&amp;#160;2021&lt;/div&gt;&lt;/td&gt;&lt;td style="padding-bottom: 0.7pt;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="padding-bottom: 0.7pt;;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td colspan="2" style="border-bottom: 1pt solid rgb(0, 0, 0);;text-align:center;;vertical-align:bottom;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;March&amp;#160;31,&amp;#160;2020&lt;/div&gt;&lt;/td&gt;&lt;td style="padding-bottom: 0.7pt;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px; background-color: rgb(204, 238, 255);;display:inline;"&gt;Net income (loss)&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;(3,720,218&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;)&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;(2,897,976&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;)&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-size: 1px;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;Numerator, basic and diluted net income (loss) available to stockholders&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;(3,720,218&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;)&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;(2,897,976&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;)&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-size: 1px;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px; background-color: rgb(204, 238, 255);;display:inline;"&gt;Denominator:&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;Shares used in computation &amp;#8211; basic:&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px; background-color: rgb(204, 238, 255);;display:inline;"&gt;Weighted average common shares outstanding&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;12,610,924&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;9,517,664&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-size: 1px;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;Common shares outstanding for basic&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;12,610,924&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;9,517,664&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-size: 1px;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px; background-color: rgb(204, 238, 255);;display:inline;"&gt;Shares used in computation &amp;#8211; diluted:&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;Common shares outstanding for basic&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;12,610,924&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;9,517,664&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-size: 1px;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px; background-color: rgb(204, 238, 255);;display:inline;"&gt;Shares used in computing diluted net income per share&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;12,610,924&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;9,517,664&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-size: 1px;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;Net (loss) per share &amp;#8211; basic&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;(0.29&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;)&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;"&gt;(0.30&lt;/td&gt;&lt;td style="white-space: nowrap;;vertical-align:bottom;"&gt;)&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px; background-color: rgb(204, 238, 255);;display:inline;"&gt;Net (loss) per share &amp;#8211; diluted&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;(0.29&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;)&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;(0.30&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;)&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt; &lt;table border="0" style="width:100%; table-layout:fixed;" cellspacing="0" cellpadding="0"&gt;&lt;tr&gt;&lt;td&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;</us-gaap:EarningsPerSharePolicyTextBlock>
<us-gaap:ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock id="Factid_21438710" contextRef="P01_01_2021To03_31_2021_RestrictedStockMemberusgaapAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis">&lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;The common shares relating to our unvested restricted stock awards that were excluded from potential common shares in the earning per share calculation due to having an anti-dilutive effect are: &lt;/div&gt;&lt;/div&gt; &lt;div style="font-size: 12pt; margin-top: 0pt; margin-bottom: 0pt;"&gt;&lt;div style="font-size: 12pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&amp;#160;&lt;/div&gt;&lt;/div&gt; &lt;table border="0" cellpadding="0" cellspacing="0" style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 8pt; border-spacing: 0px;;margin : 0px auto;;text-align:left;;width:76%;"&gt;&lt;tr style="font-size: 0px;"&gt;&lt;td style="width:71%;"&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;;width:7%;"&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;;width:7%;"&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;td&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 8pt; page-break-inside: avoid;"&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td colspan="6" style="text-align:center;;vertical-align:bottom;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;Three Months Ended&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 8pt; page-break-inside: avoid;"&gt;&lt;td style="padding-bottom: 0.7pt;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="padding-bottom: 0.7pt;;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td colspan="2" style="border-bottom: 1pt solid rgb(0, 0, 0);;text-align:center;;vertical-align:bottom;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;March&amp;#160;31,&amp;#160;2021&lt;/div&gt;&lt;/td&gt;&lt;td style="padding-bottom: 0.7pt;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="padding-bottom: 0.7pt;;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td colspan="2" style="border-bottom: 1pt solid rgb(0, 0, 0);;text-align:center;;vertical-align:bottom;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;March&amp;#160;31,&amp;#160;2020&lt;/div&gt;&lt;/td&gt;&lt;td style="padding-bottom: 0.7pt;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px; background-color: rgb(204, 238, 255);;display:inline;"&gt;Potential common shares from unvested restricted stock awards excluded from EPS&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;447,164&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;"&gt;343,353&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-size: 1px;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;table border="0" style="width:100%; table-layout:fixed;" cellspacing="0" cellpadding="0"&gt;&lt;tr&gt;&lt;td&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;</us-gaap:ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock>
<us-gaap:DebtInstrumentCarryingAmount id="Factid_21440907" contextRef="PAsOn03_31_2021_EpsilonAcquisitionsLLCMemberusgaapDebtInstrumentAxis_NotesPayableOtherPayablesMemberusgaapLongtermDebtTypeAxis" unitRef="Unit_USD" decimals="0">0</us-gaap:DebtInstrumentCarryingAmount>
<us-gaap:DebtInstrumentUnamortizedPremium id="Factid_21440918" contextRef="PAsOn12_31_2020" unitRef="Unit_USD" decimals="0">195862</us-gaap:DebtInstrumentUnamortizedPremium>
<us-gaap:LoansPayable id="Factid_21441348" contextRef="PAsOn12_31_2020_LitigationFinancingMemberusgaapDebtInstrumentAxis_LoansPayableMemberusgaapLongtermDebtTypeAxis" unitRef="Unit_USD" decimals="0">10968729</us-gaap:LoansPayable>
<us-gaap:DebtInstrumentUnamortizedDiscount id="Factid_21441349" contextRef="PAsOn12_31_2020_LitigationFinancingMemberusgaapDebtInstrumentAxis" unitRef="Unit_USD" decimals="0">890962</us-gaap:DebtInstrumentUnamortizedDiscount>
<us-gaap:DebtInstrumentUnamortizedDiscount id="Factid_21441358" contextRef="PAsOn12_31_2020_LitigationFinancingMemberusgaapDebtInstrumentAxis_LoansPayableMemberusgaapLongtermDebtTypeAxis" unitRef="Unit_USD" decimals="0">347786</us-gaap:DebtInstrumentUnamortizedDiscount>
<us-gaap:StockholdersEquityNoteDisclosureTextBlock id="Factid_21441428" contextRef="P01_01_2021To03_31_2021">&lt;div style="font-family: times new roman; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;NOTE J &amp;#8211; STOCKHOLDERS&amp;#8217; EQUITY (DEFICIT) &lt;/div&gt;&lt;/div&gt;&lt;/div&gt; &lt;div style="font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;Common Stock &lt;/div&gt;&lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;On August&amp;#160;21, 2020, we sold an aggregate of 2,553,314 shares of our common stock and warrants to purchase up to 1,901,989 shares of our common stock. The net proceeds received from sale, after offering expenses of $0.3&amp;#160;million, of which $0.2&amp;#160;million were withheld to cover fees, were $11.2&amp;#160;million. The shares of common stock and warrants were sold in units, with each unit consisting of one share of common stock and a warrant to purchase up to 0.6 shares of common stock. The purchase price for each unit was $4.543. The warrants have an exercise price of $4.75 per share of common stock and are exercisable at any time during the three-year period commencing six months after issuance. &lt;/div&gt;&lt;/div&gt; &lt;div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;Convertible Preferred Stock &lt;/div&gt;&lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;On March&amp;#160;11, 2015, we entered into a Stock Purchase Agreement (the &amp;#8220;Purchase Agreement&amp;#8221;) with Penelope Mining LLC (the &amp;#8220;Investor&amp;#8221;), and, solely with respect to certain provisions of the Purchase Agreement, Minera del Norte, S.A. de C.V. (the &amp;#8220;Lender&amp;#8221;). The Purchase Agreement provides for the Company to issue and sell to the Investor shares of the Company&amp;#8217;s preferred stock in the amounts set forth in the following table (numbers have been adjusted for the February 2016 reverse stock split): &lt;/div&gt;&lt;/div&gt; &lt;div style="font-size: 12pt; margin-top: 0pt; margin-bottom: 0pt;"&gt;&lt;div style="font-size: 12pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&amp;#160;&lt;/div&gt;&lt;/div&gt;  &lt;table border="0" cellpadding="0" cellspacing="0" style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; border-collapse: collapse; border-spacing: 0px;;margin : 0px auto;;text-align:left;;width:84%;"&gt;&lt;tr style="font-size: 0px;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; width: 59%;"&gt;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; width: 5%;;vertical-align:bottom;"&gt;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; width: 0%;"&gt;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; width: 0%;"&gt;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; width: 0%;"&gt;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; width: 5%;;vertical-align:bottom;"&gt;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; width: 0%;"&gt;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; width: 0%;"&gt;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; width: 0%;"&gt;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; width: 5%;;vertical-align:bottom;"&gt;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; width: 0%;"&gt;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; width: 0%;"&gt;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; width: 0%;"&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="white-space: nowrap; padding-bottom: 1pt;;vertical-align:bottom;;width:;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; border-bottom: 1pt solid rgb(0, 0, 0); display: table-cell; line-height: normal;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;Convertible Preferred Stock&lt;/div&gt;&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;;width:;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td colspan="2" style="border-bottom-color: rgb(0, 0, 0); border-bottom-width: 1pt; border-bottom-style: solid;;text-align:center;;vertical-align:bottom;;width:;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;Shares&lt;/div&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;;width:;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;;width:;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td colspan="2" style="border-bottom-color: rgb(0, 0, 0); border-bottom-width: 1pt; border-bottom-style: solid;;text-align:center;;vertical-align:bottom;;width:;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;Price&amp;#160;Per&amp;#160;Share&lt;/div&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;;width:;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;;width:;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td colspan="2" style="border-bottom-color: rgb(0, 0, 0); border-bottom-width: 1pt; border-bottom-style: solid;;text-align:center;;vertical-align:bottom;;width:;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;Total&lt;br/&gt; Investment&lt;/div&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt;;vertical-align:bottom;;width:;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="background-color: rgb(204, 238, 255); width: 59%;;vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;Series &lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px; background-color: rgb(204, 238, 255);;display:inline;"&gt;AA-1&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255); width: 5%;;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255); width: 0%;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255); width: 0%;;text-align:right;;vertical-align:bottom;"&gt;8,427,004&lt;/td&gt;&lt;td style="white-space: nowrap; font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255); width: 0%;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255); width: 5%;;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255); width: 0%;;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255); width: 0%;;text-align:right;;vertical-align:bottom;"&gt;12.00&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255); width: 0%;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255); width: 5%;;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255); width: 0%;;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255); width: 0%;;text-align:right;;vertical-align:bottom;"&gt;101,124,048&lt;/td&gt;&lt;td style="white-space: nowrap; font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255); width: 0%;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="width: 59%;;vertical-align:top;"&gt;&lt;div style="text-indent: -1em; font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"&gt;Series &lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;AA-2&lt;/div&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="width: 5%;;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; width: 0%;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; width: 0%;;text-align:right;;vertical-align:bottom;"&gt;7,223,145&lt;/td&gt;&lt;td style="white-space: nowrap; font-family: &amp;quot;times new roman&amp;quot;; width: 0%;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="width: 5%;;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; width: 0%;;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap; width: 0%;;text-align:right;;vertical-align:bottom;"&gt;6.00&lt;/td&gt;&lt;td style="white-space: nowrap; width: 0%;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="width: 5%;;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; width: 0%;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; width: 0%;;text-align:right;;vertical-align:bottom;"&gt;43,338,870&lt;/td&gt;&lt;td style="white-space: nowrap; font-family: &amp;quot;times new roman&amp;quot;; width: 0%;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-size: 1px;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; width: 59%;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="width: 5%;;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="width: 0%;;vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="width: 0%;;vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="width: 0%;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="width: 5%;;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; width: 0%;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; width: 0%;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; width: 0%;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="width: 5%;;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="width: 0%;;vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="width: 0%;;vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="width: 0%;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255); width: 59%;;vertical-align:top;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255); width: 5%;;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255); width: 0%;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255); width: 0%;;text-align:right;;vertical-align:bottom;"&gt;15,650,149&lt;/td&gt;&lt;td style="white-space: nowrap; font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255); width: 0%;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255); width: 5%;;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255); width: 0%;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255); width: 0%;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255); width: 0%;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="background-color: rgb(204, 238, 255); width: 5%;;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255); width: 0%;;vertical-align:bottom;"&gt;$&lt;/td&gt;&lt;td style="white-space: nowrap; background-color: rgb(204, 238, 255); width: 0%;;text-align:right;;vertical-align:bottom;"&gt;144,462,918&lt;/td&gt;&lt;td style="white-space: nowrap; font-family: &amp;quot;times new roman&amp;quot;; background-color: rgb(204, 238, 255); width: 0%;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="font-size: 1px;"&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; width: 59%;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="width: 5%;;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="width: 0%;;vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="width: 0%;;vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="width: 0%;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="width: 5%;;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; width: 0%;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; width: 0%;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="font-family: &amp;quot;times new roman&amp;quot;; width: 0%;;vertical-align:bottom;"&gt;&amp;#160;&lt;/td&gt;&lt;td style="width: 5%;;vertical-align:bottom;"&gt;&amp;#160;&amp;#160;&lt;/td&gt;&lt;td style="width: 0%;;vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="width: 0%;;vertical-align:bottom;"&gt;&lt;div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;"&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;td style="width: 0%;"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt; &lt;div style="clear: both; max-height: 0px;"&gt;&lt;/div&gt;  &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;The Investor&amp;#8217;s option to purchase the Series &lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;AA-2&lt;/div&gt; shares is subject to the closing price of the Common Stock on the NASDAQ market having been greater than or equal to $15.12 per share for a period of twenty (20)&amp;#160;consecutive business days on which the NASDAQ market is open. &lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;The closing of the sale and issuance of shares of the Company&amp;#8217;s preferred stock to the Investor is subject to certain conditions, including the Company&amp;#8217;s receipt of required approvals from the Company&amp;#8217;s stockholders, the receipt of regulatory approval, performance by the Company of its obligations under the Stock Purchase Agreement, the listing of the underlying common stock on the NASDAQ Stock Market and the Investor&amp;#8217;s satisfaction, in its sole discretion, with the viability of certain undersea mining projects of the Company. This transaction received stockholders&amp;#8217; approval on June&amp;#160;9, 2015. Completion of the transaction requires amending the Company&amp;#8217;s articles of incorporation to (a)&amp;#160;effect a reverse stock split, which was done on February&amp;#160;19, 2016, (b)&amp;#160;adjusting the Company&amp;#8217;s authorized capitalization, which was also done on February&amp;#160;19, 2016, and (c)&amp;#160;establishing a classified board of directors (collectively, the &amp;#8220;Amendments&amp;#8221;). The Amendments have been or will be set forth in certificates of amendment to the Company&amp;#8217;s articles of incorporation filed or to be filed with the Nevada Secretary of State. &lt;/div&gt;&lt;/div&gt; &lt;div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt; margin-left: 4%;"&gt;&lt;div style="display:inline;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;&lt;div style="font-style:italic;display:inline;;font-style:italic;display:inline;"&gt;Series AA Convertible Preferred Stock Designation&lt;/div&gt;&lt;/div&gt;&lt;/div&gt;&lt;/div&gt;&lt;/div&gt; &lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;&lt;div style="font-style:italic;display:inline;;font-style:italic;display:inline;"&gt; &lt;/div&gt;&lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"&gt;The Purchase Agreement provides for the issuance of up to 8,427,004 shares of Series &lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;AA-1&lt;/div&gt; Convertible Preferred Stock, par value $0.0001 per share (the &amp;#8220;Series &lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;AA-1&lt;/div&gt; Preferred&amp;#8221;) and 7,223,145 shares of Series &lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;AA-2&lt;/div&gt; Convertible Preferred Stock, par value $0.0001 per share (the &amp;#8220;Series &lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;AA-2&lt;/div&gt; Preferred&amp;#8221;), subject to stockholder approval which was received on June&amp;#160;9, 2015 and satisfaction of other conditions. Significant terms and conditions of the Series AA Preferred are as follows: &lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;&lt;div style="font-style:italic;display:inline;;font-style:italic;display:inline;"&gt;Dividends&lt;/div&gt;&lt;/div&gt;. If and when the Company declares a dividend and any other distribution (including, without limitation, in cash, in capital stock (which shall include, without limitation, any options, warrants or other rights to acquire capital stock) of the Company, then the holders of each share of Series AA Preferred Stock are entitled to receive, a dividend or distribution in an amount equal to the amount of dividend or distribution received by the holders of common stock for which such share of Series AA Preferred Stock is convertible. &lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;&lt;div style="font-style:italic;display:inline;;font-style:italic;display:inline;"&gt;Liquidation Preference&lt;/div&gt;&lt;/div&gt;. The Liquidation Preference on each share of Series AA Preferred Stock is its Stated Value plus accretion at the rate of 8% per annum compounded on each December&amp;#160;31 from the date of issue of such share until the date such share is converted. For any&amp;#160;accretion&amp;#160;period which is less than a full year, the&amp;#160;Liquidation Preference&amp;#160;shall accrete in an amount to be computed on the basis of a &lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;360-day&lt;/div&gt; year of twelve &lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;30-day&lt;/div&gt; months and the actual number of days elapsed. &lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;&lt;div style="font-style:italic;display:inline;;font-style:italic;display:inline;"&gt;Voting Rights&lt;/div&gt;&lt;/div&gt;. The holders of Series AA Preferred will be entitled to one vote for each share of common stock into which the Series AA Preferred is convertible and will be entitled to notice of meetings of stockholders. &lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;&lt;div style="font-style:italic;display:inline;;font-style:italic;display:inline;"&gt;Conversion Rights&lt;/div&gt;&lt;/div&gt;. At any time after the Preferred Shares have been issued, any holder of shares of Series AA Preferred may convert any or all of the shares of preferred stock into one fully paid and &lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;non-assessable&lt;/div&gt; share of Common Stock. &lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;&lt;div style="font-style:italic;display:inline;;font-style:italic;display:inline;"&gt;Adjustments to Conversion Rights&lt;/div&gt;&lt;/div&gt;. If Odyssey pays a dividend or makes a distribution on its common stock in shares of common stock, subdivides its outstanding common stock into a greater number of shares, or combines its outstanding common stock into a smaller number of shares, or if there is a reorganization, or a merger or consolidation of Odyssey with or into any other entity which results in a conversion, exchange, or cancellation of the common stock, or a sale of all or substantially all of Odyssey&amp;#8217;s assets, then the conversion rights described above will be adjusted appropriately so that each holder of Series AA Preferred will receive the securities or other consideration the holder would have received if the holder&amp;#8217;s Series AA Preferred had been converted before the happening of the event. The conversion price in effect from time to time is also subject to downward adjustment if we issue or sell shares of common stock for a purchase price less than the conversion price or if we issue or sell shares convertible into or exercisable for shares of common stock with a conversion price or exercise price less than the conversion price for the Series AA Preferred. &lt;/div&gt;&lt;/div&gt; &lt;div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;&lt;div style="font-style:italic;display:inline;;font-style:italic;display:inline;"&gt;Accounting considerations &lt;/div&gt;&lt;/div&gt;&lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;As stated above, the issuance of the Series AA Convertible Preferred Stock is subject to certain contingencies. No accounting treatment determination is required until these contingencies are met and the Series AA Convertible Preferred Stock has been issued. However, we have analyzed the instrument to determine the proper accounting treatment that will be necessary once the instruments have been issued. &lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;ASC 480 generally requires liability classification for financial instruments that are certain to be redeemed, represent obligations to purchase shares of stock or represent obligations to issue a variable number of common shares. We concluded that the Series AA Preferred was not within the scope of ASC 480 because none of the three conditions for liability classification was present. &lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;ASC 815 generally requires the analysis of embedded terms and features that have characteristics of derivatives to be evaluated for bifurcation and separate accounting in instances where their economic risks and characteristics are not clearly and closely related to the risks of the host contract. However, in order to perform this analysis, we were first required to evaluate the economic risks and characteristics of the Series AA Convertible Preferred Stock in its entirety as being either akin to equity or akin to debt. Our evaluation concluded that the Series AA Convertible Preferred Stock was more akin to an equity-like contract largely due to the fact that most of its features were participatory in nature. As a result, we concluded that the embedded conversion feature is clearly and closely related to the host equity contract and will not require bifurcation and liability classification. &lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;&lt;div style="display:inline;"&gt;The option to purchase the Series AA-2 Convertible Preferred Stock was analyzed as a freestanding financial instrument and has terms and features of derivative financial instruments. However, in analyzing this instrument under applicable guidance it was determined that it is both (i) indexed to the Company&amp;#8217;s stock and (ii) meet the conditions for equity classification.&lt;/div&gt; &lt;/div&gt; &lt;div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;Warrants &lt;/div&gt;&lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;In conjunction with the Note and Warrant Purchase Agreement related to Note 8 &amp;#8211; Operating loan 2018 in NOTE H, we originally issued warrants to purchase an aggregate of 65,625 shares of common stock in connection with the notes that were issued. These warrants had an expiration date of July&amp;#160;21, 2021, an exercise price of $12.00, and were exercisable to purchase 65,625 shares of our common stock. On July&amp;#160;8, 2019 we entered into a Second Amendment to Note and Warrant Purchase Agreement and Warrant Modification Agreement. As a result, the lenders now hold warrants to purchase an aggregate of 196,135 shares of our common stock at an exercise price of $5.756 per share. These warrants are exercisable at any time until July&amp;#160;12, 2024. On August&amp;#160;14, 2020, this loan was modified and extended to July&amp;#160;12, 2021. In conjunction with the extension, the lenders received warrants to purchase an aggregate of 131,996 shares of our common stock at $4.67 per share. These warrants expire on August&amp;#160;14, 2023. &lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;Included in the Restated Agreement as described in NOTE I, Note 9 &amp;#8211; Litigation financing, during 2019, we issued a warrant allowing the lender to purchase up to 551,378 shares of our common stock at $3.99. The warrant is contingently exercisable and will become exercisable on the date on which we cease the Subject Claim for any reason other than (i)&amp;#160;a full and final arbitral award against the Claimholder or (ii)&amp;#160;a full and final monetary settlement of the claims or the date on which Proceeds are deposited into the Escrow Account. The warrant has a five-year life that commences on the date it becomes exercisable. &lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;In conjunction with our sale of shares common stock and warrants on August&amp;#160;21, 2020 as described above in Note J, we issued warrants to purchase up to 1,901,989 shares of our common stock. The warrants have an exercise price of $4.75 per share and are exercisable at any time during the three-year period commencing six months after issuance. &lt;/div&gt;&lt;/div&gt; &lt;div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;&lt;div style="font-weight:bold;display:inline;"&gt;Stock-Based Compensation &lt;/div&gt;&lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;We have three stock incentive plans. The first is the 2005 Stock Incentive Plan that expired in August 2015. After the expiration of this plan, equity instruments cannot be granted but this plan will continue in effect until all outstanding awards have been exercised in full or are no longer exercisable and all equity instruments have vested or been forfeited. &lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;On June&amp;#160;9, 2015, our stockholders approved our 2015 Stock Incentive Plan (the &amp;#8220;Plan&amp;#8221;) that was adopted by our Board of Directors (the &amp;#8220;Board&amp;#8221;) on January&amp;#160;2, 2015, which is the effective date. The plan expires on the tenth anniversary of the effective date. The Plan provides for the grant of incentive stock options, &lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;non-qualified&lt;/div&gt; stock options, restricted stock awards, restricted stock units and stock appreciation rights. This plan was initially capitalized with 450,000 shares that may be granted. The Plan is intended to comply with Section&amp;#160;162(m) of the Internal Revenue Code, which stipulates that the maximum aggregate number of Shares with respect to one or more Awards that may be granted to any one person during any calendar year shall be 83,333, and the maximum aggregate amount of cash that may be paid in cash to any person during any calendar year with respect to one or more Awards payable in cash shall be $2,000,000. The original maximum number of shares that were to be used for Incentive Stock Options (&amp;#8220;ISO&amp;#8221;) under the Plan was 450,000. During our June 2016 stockholders meeting, the stockholders approved the addition of 200,000 incremental shares to the Plan. With respect to each grant of an ISO to a participant who is not a ten percent stockholder, the exercise price shall not be less than the fair market value of a share on the date the ISO is granted. With respect to each grant of an ISO to a participant who is a ten percent stockholder, the exercise price shall not be less than one hundred ten percent (110%) of the fair market value of a share on the date the ISO is granted. If an award is a &lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;non-qualified&lt;/div&gt; stock option (&amp;#8220;NQSO&amp;#8221;), the exercise price for each share shall be no less than (1)&amp;#160;the minimum price required by applicable state law, or (2)&amp;#160;the fair market value of a share on the date the NQSO is granted, whichever price is greatest. Any award intended to meet the performance-based exception must be granted with an exercise price not less than the fair market value of a share determined as of the date of such grant. &lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;On March&amp;#160;26, 2019, our Board of Directors adopted and approved the 2019 Stock Incentive Plan (the &amp;#8220;2019 Plan&amp;#8221;), which was approved by our stockholders on June&amp;#160;3, 2019. The 2019 Plan expires on June&amp;#160;3, 2029. The 2019 Plan provides for the grant of incentive stock options, &lt;div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"&gt;non-qualified&lt;/div&gt; stock options, restricted stock awards, restricted stock units and stock appreciation rights. The 2019 Plan is capitalized with 800,000 shares that may be granted. No awards were made from the Plan prior to the effective date. The 2019 Plan includes the following features: no &amp;#8220;evergreen&amp;#8221; share reserve, prohibits liberal share recycling, no repricing permitted without stockholder approval, no stock option reload features, no transfers of awards for value and dividends and dividends equivalent shall accrue and be paid only if and to the extent the common stock underlying the award become vested or payable. &lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;Share-based compensation expense recognized during the period is based on the value of the portion of share-based payment awards that is ultimately expected to vest. As share-based compensation expense recognized in the statement of operations is based on awards ultimately expected to vest, it can be reduced for estimated forfeitures. The ASC topic Stock Compensation requires forfeitures to be estimated at the time of grant and revised, if necessary, in subsequent periods if actual forfeitures differ from those estimates. The share-based compensation charged against income for the three-month period ended March&amp;#160;31, 2021 and 2020, was $281,687 and $105,162, respectively. &lt;/div&gt;&lt;/div&gt; &lt;div style="margin-bottom: 0px; margin-top: 0px;"&gt;&amp;#160;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;We did not grant stock options to employees or outside directors in the three-months ended March&amp;#160;31, 2021 or 2020. If options were granted, their values would be determined using the Black-Scholes-Merton option-pricing model, which values options based on the stock price at the grant date, the expected life of the option, the estimated volatility of the stock, the expected dividend payments, and the risk-free interest rate over the life of the option. &lt;/div&gt;&lt;/div&gt; &lt;div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"&gt;&lt;div style="font-family: &amp;quot;times new roman&amp;quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"&gt;The Black-Scholes-Merton option pricing model was developed for estimating the fair value of traded options that have no vesting restrictions and are fully transferable. Because option valuation models require the use of subjective assumptions, changes in these assumptions can materially affect the fair value of the options. 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<us-gaap:DebtInstrumentDescription id="Factid_21441532" contextRef="P01_01_2021To03_31_2021_NoteSevenMonacoTwoThousandEighteenMemberusgaapLongtermDebtTypeAxis">During the period ended March 31, 2018, Monaco advanced us $1.0 million that was included in a loan agreement that was executed on April 20, 2018. Monaco also agreed to treat $99,366 of back rent owed by us to Monaco as part of this loan resulting in an aggregate principal amount of $1,099,366 at March 31, 2021 and December 31, 2020. The indebtedness bears interest at 10.0% percent per year. During January 2021, this loan agreement was amended by increasing the interest rate to 18%, effective January 1, 2021. All principal and any unpaid interest are payable on the first anniversary of this agreement, April 20, 2019. This debt is secured by cash proceeds, if any, from our future shipwreck projects we have contracted with Magellan. As additional consideration, their share purchase option expiration date, as discussed in Note 1 &amp;#8211; Monaco 2014 and Note 2 &amp;#8211; Monaco 2016 above, has been extended from 30 days to seven months after the note becomes paid in full. For the three months ended March 31, 2021 and 2020, interest expense in the amount of $64,893 and $32,776, respectively, was recorded.	</us-gaap:DebtInstrumentDescription>
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<element name="PercentageOfEquityInterestGuaranteedSecuredDebt" type="num:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" id="omex_PercentageOfEquityInterestGuaranteedSecuredDebt" substitutionGroup="xbrli:item" />
<element name="AldamaMiningCompanySdeRLdeCVMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="omex_AldamaMiningCompanySdeRLdeCVMember" substitutionGroup="xbrli:item" />
<element name="NoteSevenMonacoTwoThousandEighteenMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="omex_NoteSevenMonacoTwoThousandEighteenMember" substitutionGroup="xbrli:item" />
<element name="AggregateOfferingPriceMinimum" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" nillable="true" id="omex_AggregateOfferingPriceMinimum" substitutionGroup="xbrli:item" xbrli:balance="credit" />
<element name="DebtInstrumentMaximumBorrowingCapacity" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" nillable="true" id="omex_DebtInstrumentMaximumBorrowingCapacity" substitutionGroup="xbrli:item" xbrli:balance="credit" />
<element name="DebtInstrumentNotePurchaseAgreementOneMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="omex_DebtInstrumentNotePurchaseAgreementOneMember" substitutionGroup="xbrli:item" />
<element name="SecondAREpsilonNoteMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="omex_SecondAREpsilonNoteMember" substitutionGroup="xbrli:item" />
<element name="NumberOfLenders" type="xbrli:integerItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="omex_NumberOfLenders" substitutionGroup="xbrli:item" />
<element name="OutstandingCommonStockOwnershipPercentage" type="num:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="omex_OutstandingCommonStockOwnershipPercentage" substitutionGroup="xbrli:item" />
<element name="DischargeOfIndebtedness" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" nillable="true" id="omex_DischargeOfIndebtedness" substitutionGroup="xbrli:item" xbrli:balance="credit" />
<element name="DebtModificationInducement" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="omex_DebtModificationInducement" substitutionGroup="xbrli:item" xbrli:balance="credit" />
<element name="PercentageOfImpactOfNewAccountingPronouncementsAndCashFlowEffects" type="num:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" id="omex_PercentageOfImpactOfNewAccountingPronouncementsAndCashFlowEffects" substitutionGroup="xbrli:item" />
<element name="PercentageOfChangeInTheFairValueOfTheEmbeddedConversionOption" type="num:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" id="omex_PercentageOfChangeInTheFairValueOfTheEmbeddedConversionOption" substitutionGroup="xbrli:item" />
<element name="WarrantsExercisedToPurchaseCommonStockShares" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="omex_WarrantsExercisedToPurchaseCommonStockShares" substitutionGroup="xbrli:item" />
<element name="FairValueReacquisitionPrice" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" nillable="true" id="omex_FairValueReacquisitionPrice" substitutionGroup="xbrli:item" xbrli:balance="credit" />
<element name="WarrantExpireDate" type="xbrli:dateItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="omex_WarrantExpireDate" substitutionGroup="xbrli:item" />
<element name="NoteAndWarrantPurchaseAgreementMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="omex_NoteAndWarrantPurchaseAgreementMember" substitutionGroup="xbrli:item" />
<element name="IndividualOneMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="omex_IndividualOneMember" substitutionGroup="xbrli:item" />
<element name="PhasesAxis" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="omex_PhasesAxis" substitutionGroup="xbrldt:dimensionItem" />
<element name="PhasesDomain" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="omex_PhasesDomain" substitutionGroup="xbrli:item" />
<element name="PhaseTwoMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="omex_PhaseTwoMember" substitutionGroup="xbrli:item" />
<element name="PhaseOneMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="omex_PhaseOneMember" substitutionGroup="xbrli:item" />
<element name="PhaseThreeMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="omex_PhaseThreeMember" substitutionGroup="xbrli:item" />
<element name="ClaimsAmountAgreedToBeFinancedInConnectionWithLitigationToBeSettled" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="omex_ClaimsAmountAgreedToBeFinancedInConnectionWithLitigationToBeSettled" substitutionGroup="xbrli:item" xbrli:balance="credit" />
<element name="ClaimsAmountOptionToRequest" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="omex_ClaimsAmountOptionToRequest" substitutionGroup="xbrli:item" xbrli:balance="credit" />
<element name="DiscriptionOfConditionsForDistributionOfProceedsToTheClaimholderAndFunder" type="xbrli:stringItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="omex_DiscriptionOfConditionsForDistributionOfProceedsToTheClaimholderAndFunder" substitutionGroup="xbrli:item" />
<element name="AmountRetainedByTheLenderInConnectionWithDueDiligence" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="omex_AmountRetainedByTheLenderInConnectionWithDueDiligence" substitutionGroup="xbrli:item" xbrli:balance="debit" />
<element name="InterestFromFeeAmortization" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="omex_InterestFromFeeAmortization" substitutionGroup="xbrli:item" xbrli:balance="credit" />
<element name="FunderAxis" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="omex_FunderAxis" substitutionGroup="xbrldt:dimensionItem" />
<element name="FunderDomain" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="omex_FunderDomain" substitutionGroup="xbrli:item" />
<element name="PoplarFallsLlcMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="omex_PoplarFallsLlcMember" substitutionGroup="xbrli:item" />
<element name="SecondAmendedAndRestatedInternationalClaimsEnforcementAgreementMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="omex_SecondAmendedAndRestatedInternationalClaimsEnforcementAgreementMember" substitutionGroup="xbrli:item" />
<element name="AmendedAndRestatedInternationalClaimsEnforcementAgreementMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="omex_AmendedAndRestatedInternationalClaimsEnforcementAgreementMember" substitutionGroup="xbrli:item" />
<element name="TrancheAxis" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="omex_TrancheAxis" substitutionGroup="xbrldt:dimensionItem" />
<element name="TrancheDomain" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="omex_TrancheDomain" substitutionGroup="xbrli:item" />
<element name="TranchAMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="omex_TranchAMember" substitutionGroup="xbrli:item" />
<element name="TranchBMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="omex_TranchBMember" substitutionGroup="xbrli:item" />
<element name="ProceedsAxis" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="omex_ProceedsAxis" substitutionGroup="xbrldt:dimensionItem" />
<element name="ProceedsDomain" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="omex_ProceedsDomain" substitutionGroup="xbrli:item" />
<element name="ProceedsThreeMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="omex_ProceedsThreeMember" substitutionGroup="xbrli:item" />
<element name="ProceedsFourMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="omex_ProceedsFourMember" substitutionGroup="xbrli:item" />
<element name="ProceedsOneMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="omex_ProceedsOneMember" substitutionGroup="xbrli:item" />
<element name="ProceedsTwoMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="omex_ProceedsTwoMember" substitutionGroup="xbrli:item" />
<element name="LitigationFinancingMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="omex_LitigationFinancingMember" substitutionGroup="xbrli:item" />
<element name="CaresActLoanMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="omex_CaresActLoanMember" substitutionGroup="xbrli:item" />
<element name="PercentOfLoanThatWillForgiven" type="num:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" id="omex_PercentOfLoanThatWillForgiven" substitutionGroup="xbrli:item" />
<element name="DebtInstrumentMaturityPeriod" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="omex_DebtInstrumentMaturityPeriod" substitutionGroup="xbrli:item" />
<element name="EmergencyInjuryDisasterLoanMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="omex_EmergencyInjuryDisasterLoanMember" substitutionGroup="xbrli:item" />
<element name="ContingentLiability" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" nillable="true" id="omex_ContingentLiability" substitutionGroup="xbrli:item" xbrli:balance="credit" />
<element name="CollateralAssetCarryingValue" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" nillable="true" id="omex_CollateralAssetCarryingValue" substitutionGroup="xbrli:item" xbrli:balance="debit" />
<element name="CollateralAgreementMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="omex_CollateralAgreementMember" substitutionGroup="xbrli:item" />
<element name="MagellanMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="omex_MagellanMember" substitutionGroup="xbrli:item" />
<element name="IncentiveStockOptionsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="omex_IncentiveStockOptionsMember" substitutionGroup="xbrli:item" />
<element name="TwoThousandNineteenStockIncentivePlanMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="omex_TwoThousandNineteenStockIncentivePlanMember" substitutionGroup="xbrli:item" />
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<element name="ClassOfWarrantOrRightExpirationDate" type="xbrli:dateItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="omex_ClassOfWarrantOrRightExpirationDate" substitutionGroup="xbrli:item" />
<element name="PurchasePriceOfWarrant" type="num:perShareItemType" abstract="false" xbrli:periodType="instant" nillable="true" id="omex_PurchasePriceOfWarrant" substitutionGroup="xbrli:item" />
<element name="AmountWithHeldToPayTheOfferingCostsAtALaterDate" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" nillable="true" id="omex_AmountWithHeldToPayTheOfferingCostsAtALaterDate" substitutionGroup="xbrli:item" xbrli:balance="credit" />
<element name="AmendmentAxis" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="omex_AmendmentAxis" substitutionGroup="xbrldt:dimensionItem" />
<element name="AmendmentDomain" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="omex_AmendmentDomain" substitutionGroup="xbrli:item" />
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<element name="PreferredStockTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="omex_PreferredStockTable" substitutionGroup="xbrldt:hypercubeItem" />
<element name="PreferredStockLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="omex_PreferredStockLineItems" substitutionGroup="xbrli:item" />
<element name="InvestmentsAxis" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="omex_InvestmentsAxis" substitutionGroup="xbrldt:dimensionItem" />
<element name="InvestmentsCategorizationDomain" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="omex_InvestmentsCategorizationDomain" substitutionGroup="xbrli:item" />
<element name="RevenueParticipationCertificatesMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="omex_RevenueParticipationCertificatesMember" substitutionGroup="xbrli:item" />
<element name="InvestmentMultiplierInCaseOfProjectSuccess" type="xbrli:integerItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="omex_InvestmentMultiplierInCaseOfProjectSuccess" substitutionGroup="xbrli:item" />
<element name="PercentageOfRevenueOwedToCertificateHolders" type="num:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" id="omex_PercentageOfRevenueOwedToCertificateHolders" substitutionGroup="xbrli:item" />
<element name="InvestmentForFutureRevenueRights" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="omex_InvestmentForFutureRevenueRights" substitutionGroup="xbrli:item" xbrli:balance="debit" />
<element name="PercentageOfRevenueOwedToCertificateHoldersPerUnit" type="num:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" id="omex_PercentageOfRevenueOwedToCertificateHoldersPerUnit" substitutionGroup="xbrli:item" />
<element name="RevenueParticipationCertificatesPerUnitValue" type="srt-types:perUnitItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="omex_RevenueParticipationCertificatesPerUnitValue" substitutionGroup="xbrli:item" />
<element name="RevenueParticipationAgreementValue" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" nillable="true" id="omex_RevenueParticipationAgreementValue" substitutionGroup="xbrli:item" xbrli:balance="credit" />
<element name="NumberOfProjectsAfterBifurcation" type="xbrli:integerItemType" abstract="false" xbrli:periodType="duration" nillable="true" id="omex_NumberOfProjectsAfterBifurcation" substitutionGroup="xbrli:item" />
<element name="CommonSharesIssuedPerUnit" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="instant" nillable="true" id="omex_CommonSharesIssuedPerUnit" substitutionGroup="xbrli:item" />
<element name="HmsVictoryProjectMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="omex_HmsVictoryProjectMember" substitutionGroup="xbrli:item" />
<element name="SeattleProjectMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="omex_SeattleProjectMember" substitutionGroup="xbrli:item" />
<element name="GaltResourcesLlcMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="omex_GaltResourcesLlcMember" substitutionGroup="xbrli:item" />
<element name="SsGairsoppaMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="omex_SsGairsoppaMember" substitutionGroup="xbrli:item" />
<element name="GaltResourcesLlcHmsVictoryMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" id="omex_GaltResourcesLlcHmsVictoryMember" substitutionGroup="xbrli:item" />
</schema>
</XBRL>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.CAL
<SEQUENCE>8
<FILENAME>omex-20210331_cal.xml
<DESCRIPTION>XBRL TAXONOMY EXTENSION CALCULATION LINKBASE
<TEXT>
<XBRL>
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<DOCUMENT>
<TYPE>EX-101.LAB
<SEQUENCE>10
<FILENAME>omex-20210331_lab.xml
<DESCRIPTION>XBRL TAXONOMY EXTENSION LABEL LINKBASE
<TEXT>
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    <label xlink:label="lab_dei_CurrentFiscalYearEndDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current Fiscal Year End Date</label>
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    <loc xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_EntityCurrentReportingStatus" xlink:label="loc_dei_EntityCurrentReportingStatus" xlink:type="locator"/>
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    <loc xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_EntityInteractiveDataCurrent" xlink:label="loc_dei_EntityInteractiveDataCurrent" xlink:type="locator"/>
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    <label xlink:label="lab_dei_EntityInteractiveDataCurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Interactive Data Current</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityInteractiveDataCurrent" xlink:to="lab_dei_EntityInteractiveDataCurrent" xlink:type="arc"/>
    <loc xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_EntityShellCompany" xlink:label="loc_dei_EntityShellCompany" xlink:type="locator"/>
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    <label xlink:label="lab_dei_EntityShellCompany" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Shell Company</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityShellCompany" xlink:to="lab_dei_EntityShellCompany" xlink:type="arc"/>
    <loc xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_EntitySmallBusiness" xlink:label="loc_dei_EntitySmallBusiness" xlink:type="locator"/>
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    <label xlink:label="lab_dei_EntitySmallBusiness" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Small Business</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntitySmallBusiness" xlink:to="lab_dei_EntitySmallBusiness" xlink:type="arc"/>
    <loc xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_EntityEmergingGrowthCompany" xlink:label="loc_dei_EntityEmergingGrowthCompany" xlink:type="locator"/>
    <label xlink:label="lab_dei_EntityEmergingGrowthCompany" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Emerging Growth Company</label>
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    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityEmergingGrowthCompany" xlink:to="lab_dei_EntityEmergingGrowthCompany" xlink:type="arc"/>
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    <label xlink:label="lab_us-gaap_StatementOfFinancialPositionAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement of Financial Position [Abstract]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract" xlink:to="lab_us-gaap_StatementOfFinancialPositionAbstract" xlink:type="arc"/>
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    <label xlink:label="lab_us-gaap_AssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets [Abstract]</label>
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    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AssetsAbstract" xlink:to="lab_us-gaap_AssetsAbstract" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_Assets" xlink:label="loc_us-gaap_Assets" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_Assets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets</label>
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    <label xlink:label="lab_us-gaap_Assets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total assets</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_Assets" xlink:to="lab_us-gaap_Assets" xlink:type="arc"/>
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    <label xlink:label="lab_us-gaap_AssetsCurrentAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">CURRENT ASSETS</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AssetsCurrentAbstract" xlink:to="lab_us-gaap_AssetsCurrentAbstract" xlink:type="arc"/>
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    <label xlink:label="lab_us-gaap_AssetsCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets, Current</label>
    <label xlink:label="lab_us-gaap_AssetsCurrent" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total current assets</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AssetsCurrent" xlink:to="lab_us-gaap_AssetsCurrent" xlink:type="arc"/>
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    <label xlink:label="lab_us-gaap_AccountsReceivableNetCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accounts Receivable, Net, Current</label>
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    <label xlink:label="lab_us-gaap_AccountsReceivableNetCurrent" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Total accounts receivable, net</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccountsReceivableNetCurrent" xlink:to="lab_us-gaap_AccountsReceivableNetCurrent" xlink:type="arc"/>
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    <label xlink:label="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash and Cash Equivalents, at Carrying Value</label>
    <label xlink:label="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash and cash equivalents</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:to="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:type="arc"/>
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    <label xlink:label="lab_us-gaap_OtherAssetsCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Assets, Current</label>
    <label xlink:label="lab_us-gaap_OtherAssetsCurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other current assets</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherAssetsCurrent" xlink:to="lab_us-gaap_OtherAssetsCurrent" xlink:type="arc"/>
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    <label xlink:label="lab_us-gaap_AssetsNoncurrentAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets, Noncurrent [Abstract]</label>
    <label xlink:label="lab_us-gaap_AssetsNoncurrentAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">NON-CURRENT ASSETS</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AssetsNoncurrentAbstract" xlink:to="lab_us-gaap_AssetsNoncurrentAbstract" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AssetsNoncurrentOtherThanNoncurrentInvestmentsAndPropertyPlantAndEquipment" xlink:label="loc_us-gaap_AssetsNoncurrentOtherThanNoncurrentInvestmentsAndPropertyPlantAndEquipment" xlink:type="locator"/>
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    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AssetsNoncurrentOtherThanNoncurrentInvestmentsAndPropertyPlantAndEquipment" xlink:to="lab_us-gaap_AssetsNoncurrentOtherThanNoncurrentInvestmentsAndPropertyPlantAndEquipment" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures" xlink:label="loc_us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures" xlink:type="locator"/>
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    <label xlink:label="lab_us-gaap_OtherAssetsNoncurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Assets, Noncurrent</label>
    <label xlink:label="lab_us-gaap_OtherAssetsNoncurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other non-current assets</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherAssetsNoncurrent" xlink:to="lab_us-gaap_OtherAssetsNoncurrent" xlink:type="arc"/>
    <loc xlink:href="omex-20210331.xsd#omex_ExplorationLicense" xlink:label="loc_omex_ExplorationLicense" xlink:type="locator"/>
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    <label xlink:label="lab_omex_ExplorationLicense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Exploration license</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_ExplorationLicense" xlink:to="lab_omex_ExplorationLicense" xlink:type="arc"/>
    <label xlink:label="lab_omex_ExplorationLicense" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Exploration license.</label>
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    <label xlink:label="lab_us-gaap_PropertyPlantAndEquipmentNetAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property, Plant and Equipment, Net [Abstract]</label>
    <label xlink:label="lab_us-gaap_PropertyPlantAndEquipmentNetAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">PROPERTY AND EQUIPMENT</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentNetAbstract" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentNetAbstract" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_PropertyPlantAndEquipmentNet" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property, Plant and Equipment, Net</label>
    <label xlink:label="lab_us-gaap_PropertyPlantAndEquipmentNet" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total property and equipment</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentNet" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentNet" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:label="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment</label>
    <label xlink:label="lab_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Accumulated depreciation</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:to="lab_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PropertyPlantAndEquipmentGross" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentGross" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_PropertyPlantAndEquipmentGross" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property, Plant and Equipment, Gross</label>
    <label xlink:label="lab_us-gaap_PropertyPlantAndEquipmentGross" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Equipment and office fixtures</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentGross" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentGross" xlink:type="arc"/>
    <loc xlink:href="omex-20210331.xsd#omex_PropertyPlantAndEquipmentSubjectToOperatingLeases" xlink:label="loc_omex_PropertyPlantAndEquipmentSubjectToOperatingLeases" xlink:type="locator"/>
    <label xlink:label="lab_omex_PropertyPlantAndEquipmentSubjectToOperatingLeases" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property Plant And Equipment Subject to Operating Leases</label>
    <label xlink:label="lab_omex_PropertyPlantAndEquipmentSubjectToOperatingLeases" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Right to use &#x2013; operating lease, net</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_PropertyPlantAndEquipmentSubjectToOperatingLeases" xlink:to="lab_omex_PropertyPlantAndEquipmentSubjectToOperatingLeases" xlink:type="arc"/>
    <label xlink:label="lab_omex_PropertyPlantAndEquipmentSubjectToOperatingLeases" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Property plant and equipment subject to operating leases.</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liabilities and Equity [Abstract]</label>
    <label xlink:label="lab_us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">LIABILITIES AND STOCKHOLDERS' EQUITY/(DEFICIT) CURRENT LIABILITIES</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:to="lab_us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_LiabilitiesAndStockholdersEquity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liabilities and Equity</label>
    <label xlink:label="lab_us-gaap_LiabilitiesAndStockholdersEquity" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total liabilities and stockholders' equity/(deficit)</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity" xlink:to="lab_us-gaap_LiabilitiesAndStockholdersEquity" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LiabilitiesNoncurrentAbstract" xlink:label="loc_us-gaap_LiabilitiesNoncurrentAbstract" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_LiabilitiesNoncurrentAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liabilities, Noncurrent [Abstract]</label>
    <label xlink:label="lab_us-gaap_LiabilitiesNoncurrentAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">LONG-TERM LIABILITIES</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LiabilitiesNoncurrentAbstract" xlink:to="lab_us-gaap_LiabilitiesNoncurrentAbstract" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LiabilitiesNoncurrent" xlink:label="loc_us-gaap_LiabilitiesNoncurrent" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_LiabilitiesNoncurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liabilities, Noncurrent</label>
    <label xlink:label="lab_us-gaap_LiabilitiesNoncurrent" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total long-term liabilities</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LiabilitiesNoncurrent" xlink:to="lab_us-gaap_LiabilitiesNoncurrent" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LongTermLoansPayable" xlink:label="loc_us-gaap_LongTermLoansPayable" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_LongTermLoansPayable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loans Payable, Noncurrent</label>
    <label xlink:label="lab_us-gaap_LongTermLoansPayable" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Loans payable</label>
    <label xlink:label="lab_us-gaap_LongTermLoansPayable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amount receivable related to a loss contingency</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermLoansPayable" xlink:to="lab_us-gaap_LongTermLoansPayable" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredRevenueNoncurrent" xlink:label="loc_us-gaap_DeferredRevenueNoncurrent" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_DeferredRevenueNoncurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Revenue, Noncurrent</label>
    <label xlink:label="lab_us-gaap_DeferredRevenueNoncurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred income and revenue participation rights</label>
    <label xlink:label="lab_us-gaap_DeferredRevenueNoncurrent" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Revenue participation rights</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredRevenueNoncurrent" xlink:to="lab_us-gaap_DeferredRevenueNoncurrent" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingLeaseLiabilityNoncurrent" xlink:label="loc_us-gaap_OperatingLeaseLiabilityNoncurrent" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_OperatingLeaseLiabilityNoncurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Lease, Liability, Noncurrent</label>
    <label xlink:label="lab_us-gaap_OperatingLeaseLiabilityNoncurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operating lease obligation</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeaseLiabilityNoncurrent" xlink:to="lab_us-gaap_OperatingLeaseLiabilityNoncurrent" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LiabilitiesCurrentAbstract" xlink:label="loc_us-gaap_LiabilitiesCurrentAbstract" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_LiabilitiesCurrentAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liabilities, Current [Abstract]</label>
    <label xlink:label="lab_us-gaap_LiabilitiesCurrentAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">CURRENT LIABILITIES</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract" xlink:to="lab_us-gaap_LiabilitiesCurrentAbstract" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccruedLiabilitiesAndOtherLiabilities" xlink:label="loc_us-gaap_AccruedLiabilitiesAndOtherLiabilities" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_AccruedLiabilitiesAndOtherLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accrued Liabilities and Other Liabilities</label>
    <label xlink:label="lab_us-gaap_AccruedLiabilitiesAndOtherLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accrued expenses</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccruedLiabilitiesAndOtherLiabilities" xlink:to="lab_us-gaap_AccruedLiabilitiesAndOtherLiabilities" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccountsPayableCurrent" xlink:label="loc_us-gaap_AccountsPayableCurrent" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_AccountsPayableCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accounts Payable, Current</label>
    <label xlink:label="lab_us-gaap_AccountsPayableCurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accounts payable</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccountsPayableCurrent" xlink:to="lab_us-gaap_AccountsPayableCurrent" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LoansPayableCurrent" xlink:label="loc_us-gaap_LoansPayableCurrent" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_LoansPayableCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loans Payable, Current</label>
    <label xlink:label="lab_us-gaap_LoansPayableCurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loans payable</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LoansPayableCurrent" xlink:to="lab_us-gaap_LoansPayableCurrent" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LiabilitiesCurrent" xlink:label="loc_us-gaap_LiabilitiesCurrent" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_LiabilitiesCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liabilities, Current</label>
    <label xlink:label="lab_us-gaap_LiabilitiesCurrent" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total current liabilities</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LiabilitiesCurrent" xlink:to="lab_us-gaap_LiabilitiesCurrent" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingLeaseLiabilityCurrent" xlink:label="loc_us-gaap_OperatingLeaseLiabilityCurrent" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_OperatingLeaseLiabilityCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Lease, Liability, Current</label>
    <label xlink:label="lab_us-gaap_OperatingLeaseLiabilityCurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operating lease obligation</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeaseLiabilityCurrent" xlink:to="lab_us-gaap_OperatingLeaseLiabilityCurrent" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommitmentsAndContingencies" xlink:label="loc_us-gaap_CommitmentsAndContingencies" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_CommitmentsAndContingencies" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Commitments and Contingencies</label>
    <label xlink:label="lab_us-gaap_CommitmentsAndContingencies" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Commitments and contingencies (NOTE H)</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommitmentsAndContingencies" xlink:to="lab_us-gaap_CommitmentsAndContingencies" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_Liabilities" xlink:label="loc_us-gaap_Liabilities" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_Liabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liabilities</label>
    <label xlink:label="lab_us-gaap_Liabilities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total liabilities</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_Liabilities" xlink:to="lab_us-gaap_Liabilities" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StockholdersEquityAbstract" xlink:label="loc_us-gaap_StockholdersEquityAbstract" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_StockholdersEquityAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stockholders' Equity Attributable to Parent [Abstract]</label>
    <label xlink:label="lab_us-gaap_StockholdersEquityAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">STOCKHOLDERS' EQUITY/(DEFICIT)</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockholdersEquityAbstract" xlink:to="lab_us-gaap_StockholdersEquityAbstract" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_RetainedEarningsAccumulatedDeficit" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Retained Earnings (Accumulated Deficit)</label>
    <label xlink:label="lab_us-gaap_RetainedEarningsAccumulatedDeficit" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accumulated (deficit)</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RetainedEarningsAccumulatedDeficit" xlink:to="lab_us-gaap_RetainedEarningsAccumulatedDeficit" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AdditionalPaidInCapitalCommonStock" xlink:label="loc_us-gaap_AdditionalPaidInCapitalCommonStock" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_AdditionalPaidInCapitalCommonStock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Additional Paid in Capital, Common Stock</label>
    <label xlink:label="lab_us-gaap_AdditionalPaidInCapitalCommonStock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Additional paid-in capital</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AdditionalPaidInCapitalCommonStock" xlink:to="lab_us-gaap_AdditionalPaidInCapitalCommonStock" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommonStockValue" xlink:label="loc_us-gaap_CommonStockValue" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_CommonStockValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Common Stock, Value, Issued</label>
    <label xlink:label="lab_us-gaap_CommonStockValue" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Common stock &#x2013; $.0001 par value; 75,000,000 shares authorized; 13,023,330 and 12,591,084 issued and outstanding</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommonStockValue" xlink:to="lab_us-gaap_CommonStockValue" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_MinorityInterest" xlink:label="loc_us-gaap_MinorityInterest" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_MinorityInterest" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stockholders' Equity Attributable to Noncontrolling Interest</label>
    <label xlink:label="lab_us-gaap_MinorityInterest" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Non-controlling interest</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_MinorityInterest" xlink:to="lab_us-gaap_MinorityInterest" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PreferredStockValueOutstanding" xlink:label="loc_us-gaap_PreferredStockValueOutstanding" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_PreferredStockValueOutstanding" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Preferred Stock, Value, Outstanding</label>
    <label xlink:label="lab_us-gaap_PreferredStockValueOutstanding" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Preferred stock - $.0001 par value; 24,984,166 shares authorized; none outstanding</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PreferredStockValueOutstanding" xlink:to="lab_us-gaap_PreferredStockValueOutstanding" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="loc_us-gaap_StockholdersEquity" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_StockholdersEquity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stockholders' Equity Attributable to Parent</label>
    <label xlink:label="lab_us-gaap_StockholdersEquity" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total stockholders' equity/(deficit) before non-controlling interest</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockholdersEquity" xlink:to="lab_us-gaap_StockholdersEquity" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest</label>
    <label xlink:label="lab_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total stockholders' equity/(deficit)</label>
    <label xlink:label="lab_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Beginning Balance</label>
    <label xlink:label="lab_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Ending Balance</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:to="lab_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PreferredStockSharesOutstanding" xlink:label="loc_us-gaap_PreferredStockSharesOutstanding" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_PreferredStockSharesOutstanding" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Preferred Stock, Shares Outstanding</label>
    <label xlink:label="lab_us-gaap_PreferredStockSharesOutstanding" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Preferred stock, shares outstanding</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PreferredStockSharesOutstanding" xlink:to="lab_us-gaap_PreferredStockSharesOutstanding" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PreferredStockParOrStatedValuePerShare" xlink:label="loc_us-gaap_PreferredStockParOrStatedValuePerShare" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_PreferredStockParOrStatedValuePerShare" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Preferred Stock, Par or Stated Value Per Share</label>
    <label xlink:label="lab_us-gaap_PreferredStockParOrStatedValuePerShare" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Preferred stock, par value</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PreferredStockParOrStatedValuePerShare" xlink:to="lab_us-gaap_PreferredStockParOrStatedValuePerShare" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PreferredStockSharesAuthorized" xlink:label="loc_us-gaap_PreferredStockSharesAuthorized" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_PreferredStockSharesAuthorized" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Preferred Stock, Shares Authorized</label>
    <label xlink:label="lab_us-gaap_PreferredStockSharesAuthorized" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Preferred stock, shares authorized</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PreferredStockSharesAuthorized" xlink:to="lab_us-gaap_PreferredStockSharesAuthorized" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommonStockParOrStatedValuePerShare" xlink:label="loc_us-gaap_CommonStockParOrStatedValuePerShare" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_CommonStockParOrStatedValuePerShare" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Common Stock, Par or Stated Value Per Share</label>
    <label xlink:label="lab_us-gaap_CommonStockParOrStatedValuePerShare" xlink:role="http://www.xbrl.org/2003/role/definitionGuidance" xlink:type="resource" xml:lang="en-US">Common stock, par value</label>
    <label xlink:label="lab_us-gaap_CommonStockParOrStatedValuePerShare" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Warrants exercise price</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommonStockParOrStatedValuePerShare" xlink:to="lab_us-gaap_CommonStockParOrStatedValuePerShare" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommonStockSharesAuthorized" xlink:label="loc_us-gaap_CommonStockSharesAuthorized" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_CommonStockSharesAuthorized" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Common Stock, Shares Authorized</label>
    <label xlink:label="lab_us-gaap_CommonStockSharesAuthorized" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Common stock, shares authorized</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommonStockSharesAuthorized" xlink:to="lab_us-gaap_CommonStockSharesAuthorized" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommonStockSharesIssued" xlink:label="loc_us-gaap_CommonStockSharesIssued" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_CommonStockSharesIssued" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Common Stock, Shares, Issued</label>
    <label xlink:label="lab_us-gaap_CommonStockSharesIssued" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Common stock, shares issued</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommonStockSharesIssued" xlink:to="lab_us-gaap_CommonStockSharesIssued" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommonStockSharesOutstanding" xlink:label="loc_us-gaap_CommonStockSharesOutstanding" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_CommonStockSharesOutstanding" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Common Stock, Shares, Outstanding</label>
    <label xlink:label="lab_us-gaap_CommonStockSharesOutstanding" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Common stock, shares outstanding</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommonStockSharesOutstanding" xlink:to="lab_us-gaap_CommonStockSharesOutstanding" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeStatementAbstract" xlink:label="loc_us-gaap_IncomeStatementAbstract" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_IncomeStatementAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income Statement [Abstract]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeStatementAbstract" xlink:to="lab_us-gaap_IncomeStatementAbstract" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_StatementTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement [Table]</label>
    <label xlink:label="lab_us-gaap_StatementTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Statement [Table]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementTable" xlink:to="lab_us-gaap_StatementTable" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_StatementLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement [Line Items]</label>
    <label xlink:label="lab_us-gaap_StatementLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Statement [Line Items]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementLineItems" xlink:to="lab_us-gaap_StatementLineItems" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_IncomeTaxExpenseBenefit" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income Tax Expense (Benefit)</label>
    <label xlink:label="lab_us-gaap_IncomeTaxExpenseBenefit" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Income tax benefit (provision)</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit" xlink:to="lab_us-gaap_IncomeTaxExpenseBenefit" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EarningsPerShareAbstract" xlink:label="loc_us-gaap_EarningsPerShareAbstract" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_EarningsPerShareAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Earnings Per Share [Abstract]</label>
    <label xlink:label="lab_us-gaap_EarningsPerShareAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">NET (LOSS) PER SHARE</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EarningsPerShareAbstract" xlink:to="lab_us-gaap_EarningsPerShareAbstract" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EarningsPerShareBasicAndDiluted" xlink:label="loc_us-gaap_EarningsPerShareBasicAndDiluted" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_EarningsPerShareBasicAndDiluted" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Earnings Per Share, Basic and Diluted</label>
    <label xlink:label="lab_us-gaap_EarningsPerShareBasicAndDiluted" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Basic and diluted (See NOTE B)</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EarningsPerShareBasicAndDiluted" xlink:to="lab_us-gaap_EarningsPerShareBasicAndDiluted" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RevenuesAbstract" xlink:label="loc_us-gaap_RevenuesAbstract" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_RevenuesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Revenues [Abstract]</label>
    <label xlink:label="lab_us-gaap_RevenuesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">REVENUE</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RevenuesAbstract" xlink:to="lab_us-gaap_RevenuesAbstract" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Revenue from Contract with Customer, Including Assessed Tax</label>
    <label xlink:label="lab_us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Revenue</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax" xlink:to="lab_us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ProfitLoss" xlink:label="loc_us-gaap_ProfitLoss" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_ProfitLoss" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Income (Loss), Including Portion Attributable to Noncontrolling Interest</label>
    <label xlink:label="lab_us-gaap_ProfitLoss" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">NET (LOSS) BEFORE NON-CONTROLLING INTEREST</label>
    <label xlink:label="lab_us-gaap_ProfitLoss" xlink:role="http://www.xbrl.org/2003/role/definitionGuidance" xlink:type="resource" xml:lang="en-US">Net (loss)</label>
    <label xlink:label="lab_us-gaap_ProfitLoss" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net loss before non-controlling interest</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProfitLoss" xlink:to="lab_us-gaap_ProfitLoss" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest</label>
    <label xlink:label="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">(LOSS) BEFORE INCOME TAXES</label>
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Weighted Average Number of Shares Outstanding, Diluted [Abstract]</label>
    <label xlink:label="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Weighted average number of common shares outstanding</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract" xlink:to="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Weighted Average Number of Shares Outstanding, Basic</label>
    <label xlink:label="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:role="http://www.xbrl.org/2003/role/definitionGuidance" xlink:type="resource" xml:lang="en-US">Basic</label>
    <label xlink:label="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Weighted average number of common shares outstanding</label>
    <label xlink:label="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:role="http://www.xbrl.org/2003/role/disclosureGuidance" xlink:type="resource" xml:lang="en-US">Common shares outstanding for basic</label>
    <label xlink:label="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Weighted average common shares outstanding</label>
    <label xlink:label="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:role="http://www.xbrl.org/2003/role/presentationGuidance" xlink:type="resource" xml:lang="en-US">Common shares outstanding for basic</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:to="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Weighted Average Number of Shares Outstanding, Diluted</label>
    <label xlink:label="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Diluted</label>
    <label xlink:label="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Shares used in computing diluted net income per share</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:to="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_NetIncomeLoss" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Income (Loss) Attributable to Parent</label>
    <label xlink:label="lab_us-gaap_NetIncomeLoss" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">NET (LOSS)</label>
    <label xlink:label="lab_us-gaap_NetIncomeLoss" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Net income (loss)</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetIncomeLoss" xlink:to="lab_us-gaap_NetIncomeLoss" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Income (Loss) Attributable to Noncontrolling Interest</label>
    <label xlink:label="lab_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Non-controlling interest</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" xlink:to="lab_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NonoperatingIncomeExpenseAbstract" xlink:label="loc_us-gaap_NonoperatingIncomeExpenseAbstract" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_NonoperatingIncomeExpenseAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Nonoperating Income (Expense) [Abstract]</label>
    <label xlink:label="lab_us-gaap_NonoperatingIncomeExpenseAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">OTHER INCOME (EXPENSE)</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NonoperatingIncomeExpenseAbstract" xlink:to="lab_us-gaap_NonoperatingIncomeExpenseAbstract" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_InterestExpense" xlink:label="loc_us-gaap_InterestExpense" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_InterestExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest Expense</label>
    <label xlink:label="lab_us-gaap_InterestExpense" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Interest expense</label>
    <label xlink:label="lab_us-gaap_InterestExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest Expense</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InterestExpense" xlink:to="lab_us-gaap_InterestExpense" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherNonoperatingIncomeExpense" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_OtherNonoperatingIncomeExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Nonoperating Income (Expense)</label>
    <label xlink:label="lab_us-gaap_OtherNonoperatingIncomeExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherNonoperatingIncomeExpense" xlink:to="lab_us-gaap_OtherNonoperatingIncomeExpense" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NonoperatingIncomeExpense" xlink:label="loc_us-gaap_NonoperatingIncomeExpense" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_NonoperatingIncomeExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Nonoperating Income (Expense)</label>
    <label xlink:label="lab_us-gaap_NonoperatingIncomeExpense" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total other income (expense)</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NonoperatingIncomeExpense" xlink:to="lab_us-gaap_NonoperatingIncomeExpense" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_GainLossOnDerivativeInstrumentsNetPretax" xlink:label="loc_us-gaap_GainLossOnDerivativeInstrumentsNetPretax" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_GainLossOnDerivativeInstrumentsNetPretax" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gain (Loss) on Derivative Instruments, Net, Pretax</label>
    <label xlink:label="lab_us-gaap_GainLossOnDerivativeInstrumentsNetPretax" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loss in hybrid-instrument fair value</label>
    <label xlink:label="lab_us-gaap_GainLossOnDerivativeInstrumentsNetPretax" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Change in derivatives liabilities fair value</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GainLossOnDerivativeInstrumentsNetPretax" xlink:to="lab_us-gaap_GainLossOnDerivativeInstrumentsNetPretax" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingExpensesAbstract" xlink:label="loc_us-gaap_OperatingExpensesAbstract" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_OperatingExpensesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Expenses [Abstract]</label>
    <label xlink:label="lab_us-gaap_OperatingExpensesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">OPERATING EXPENSES</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingExpensesAbstract" xlink:to="lab_us-gaap_OperatingExpensesAbstract" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CostsAndExpenses" xlink:label="loc_us-gaap_CostsAndExpenses" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_CostsAndExpenses" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Costs and Expenses</label>
    <label xlink:label="lab_us-gaap_CostsAndExpenses" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total operating expenses</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CostsAndExpenses" xlink:to="lab_us-gaap_CostsAndExpenses" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="loc_us-gaap_OperatingIncomeLoss" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_OperatingIncomeLoss" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Income (Loss)</label>
    <label xlink:label="lab_us-gaap_OperatingIncomeLoss" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">INCOME (LOSS) FROM OPERATIONS</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingIncomeLoss" xlink:to="lab_us-gaap_OperatingIncomeLoss" xlink:type="arc"/>
    <loc xlink:href="omex-20210331.xsd#omex_OperationsAndResearchExpense" xlink:label="loc_omex_OperationsAndResearchExpense" xlink:type="locator"/>
    <label xlink:label="lab_omex_OperationsAndResearchExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operations And Research Expense</label>
    <label xlink:label="lab_omex_OperationsAndResearchExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operations and research</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_OperationsAndResearchExpense" xlink:to="lab_omex_OperationsAndResearchExpense" xlink:type="arc"/>
    <label xlink:label="lab_omex_OperationsAndResearchExpense" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The aggregate costs incurred (1) for the marine operating costs such as vessel and related equipment operations and maintenance, crew and technical labor, fuel, provisions and supplies, port fees and depreciation, costs related to operating and supporting the attraction exhibit and (2) in a planned search or critical investigation aimed at discovery of new or additional knowledge with the belief that such knowledge will be useful in assisting in the location of targeted sites.</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SellingGeneralAndAdministrativeExpense" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpense" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_SellingGeneralAndAdministrativeExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Selling, General and Administrative Expense</label>
    <label xlink:label="lab_us-gaap_SellingGeneralAndAdministrativeExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Marketing, general and administrative</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SellingGeneralAndAdministrativeExpense" xlink:to="lab_us-gaap_SellingGeneralAndAdministrativeExpense" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_ProductOrServiceAxis" xlink:label="loc_srt_ProductOrServiceAxis" xlink:type="locator"/>
    <label xlink:label="lab_srt_ProductOrServiceAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Product and Service [Axis]</label>
    <label xlink:label="lab_srt_ProductOrServiceAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Product and Service [Axis]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_ProductOrServiceAxis" xlink:to="lab_srt_ProductOrServiceAxis" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_ProductsAndServicesDomain" xlink:label="loc_srt_ProductsAndServicesDomain" xlink:type="locator"/>
    <label xlink:label="lab_srt_ProductsAndServicesDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Product and Service [Domain]</label>
    <label xlink:label="lab_srt_ProductsAndServicesDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Product and Service [Domain]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_ProductsAndServicesDomain" xlink:to="lab_srt_ProductsAndServicesDomain" xlink:type="arc"/>
    <loc xlink:href="omex-20210331.xsd#omex_MarineServicesMember" xlink:label="loc_omex_MarineServicesMember" xlink:type="locator"/>
    <label xlink:label="lab_omex_MarineServicesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Marine Services [Member]</label>
    <label xlink:label="lab_omex_MarineServicesMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Marine Services [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_MarineServicesMember" xlink:to="lab_omex_MarineServicesMember" xlink:type="arc"/>
    <label xlink:label="lab_omex_MarineServicesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Marine services.</label>
    <loc xlink:href="omex-20210331.xsd#omex_OperatingAndOtherMember" xlink:label="loc_omex_OperatingAndOtherMember" xlink:type="locator"/>
    <label xlink:label="lab_omex_OperatingAndOtherMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating and other [Member]</label>
    <label xlink:label="lab_omex_OperatingAndOtherMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operating and other [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_OperatingAndOtherMember" xlink:to="lab_omex_OperatingAndOtherMember" xlink:type="arc"/>
    <label xlink:label="lab_omex_OperatingAndOtherMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Operating and other.</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StatementOfStockholdersEquityAbstract" xlink:label="loc_us-gaap_StatementOfStockholdersEquityAbstract" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_StatementOfStockholdersEquityAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement of Stockholders' Equity [Abstract]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementOfStockholdersEquityAbstract" xlink:to="lab_us-gaap_StatementOfStockholdersEquityAbstract" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="loc_us-gaap_StatementEquityComponentsAxis" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_StatementEquityComponentsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity Components [Axis]</label>
    <label xlink:label="lab_us-gaap_StatementEquityComponentsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Equity Components [Axis]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementEquityComponentsAxis" xlink:to="lab_us-gaap_StatementEquityComponentsAxis" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_EquityComponentDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity Component [Domain]</label>
    <label xlink:label="lab_us-gaap_EquityComponentDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Equity Component [Domain]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EquityComponentDomain" xlink:to="lab_us-gaap_EquityComponentDomain" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommonStockMember" xlink:label="loc_us-gaap_CommonStockMember" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_CommonStockMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Common Stock [Member]</label>
    <label xlink:label="lab_us-gaap_CommonStockMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Common Stock [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommonStockMember" xlink:to="lab_us-gaap_CommonStockMember" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AdditionalPaidInCapitalMember" xlink:label="loc_us-gaap_AdditionalPaidInCapitalMember" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_AdditionalPaidInCapitalMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Additional Paid-in Capital [Member]</label>
    <label xlink:label="lab_us-gaap_AdditionalPaidInCapitalMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Additional Paid-in Capital [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AdditionalPaidInCapitalMember" xlink:to="lab_us-gaap_AdditionalPaidInCapitalMember" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NoncontrollingInterestMember" xlink:label="loc_us-gaap_NoncontrollingInterestMember" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_NoncontrollingInterestMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Noncontrolling Interest [Member]</label>
    <label xlink:label="lab_us-gaap_NoncontrollingInterestMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-controlling Interest [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NoncontrollingInterestMember" xlink:to="lab_us-gaap_NoncontrollingInterestMember" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RetainedEarningsMember" xlink:label="loc_us-gaap_RetainedEarningsMember" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_RetainedEarningsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Retained Earnings [Member]</label>
    <label xlink:label="lab_us-gaap_RetainedEarningsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accumulated Deficit [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RetainedEarningsMember" xlink:to="lab_us-gaap_RetainedEarningsMember" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalWarrantIssued" xlink:label="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalWarrantIssued" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_AdjustmentsToAdditionalPaidInCapitalWarrantIssued" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments to Additional Paid in Capital, Warrant Issued</label>
    <label xlink:label="lab_us-gaap_AdjustmentsToAdditionalPaidInCapitalWarrantIssued" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair value of warrants issued</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalWarrantIssued" xlink:to="lab_us-gaap_AdjustmentsToAdditionalPaidInCapitalWarrantIssued" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StockGrantedDuringPeriodValueSharebasedCompensation" xlink:label="loc_us-gaap_StockGrantedDuringPeriodValueSharebasedCompensation" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_StockGrantedDuringPeriodValueSharebasedCompensation" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stock Granted, Value, Share-based Compensation, Net of Forfeitures</label>
    <label xlink:label="lab_us-gaap_StockGrantedDuringPeriodValueSharebasedCompensation" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share-based compensation</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockGrantedDuringPeriodValueSharebasedCompensation" xlink:to="lab_us-gaap_StockGrantedDuringPeriodValueSharebasedCompensation" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueIssuedForServices" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueIssuedForServices" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_StockIssuedDuringPeriodValueIssuedForServices" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stock Issued During Period, Value, Issued for Services</label>
    <label xlink:label="lab_us-gaap_StockIssuedDuringPeriodValueIssuedForServices" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Common stock issued for services</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockIssuedDuringPeriodValueIssuedForServices" xlink:to="lab_us-gaap_StockIssuedDuringPeriodValueIssuedForServices" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueConversionOfConvertibleSecurities" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueConversionOfConvertibleSecurities" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_StockIssuedDuringPeriodValueConversionOfConvertibleSecurities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stock Issued During Period, Value, Conversion of Convertible Securities</label>
    <label xlink:label="lab_us-gaap_StockIssuedDuringPeriodValueConversionOfConvertibleSecurities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Common stock issued for converted convertible debt</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockIssuedDuringPeriodValueConversionOfConvertibleSecurities" xlink:to="lab_us-gaap_StockIssuedDuringPeriodValueConversionOfConvertibleSecurities" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SaleOfStockConsiderationReceivedPerTransaction" xlink:label="loc_us-gaap_SaleOfStockConsiderationReceivedPerTransaction" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_SaleOfStockConsiderationReceivedPerTransaction" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Sale of Stock, Consideration Received Per Transaction</label>
    <label xlink:label="lab_us-gaap_SaleOfStockConsiderationReceivedPerTransaction" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Sale of subsidiary equity</label>
    <label xlink:label="lab_us-gaap_SaleOfStockConsiderationReceivedPerTransaction" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Aggregate value of shares issued to lender</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SaleOfStockConsiderationReceivedPerTransaction" xlink:to="lab_us-gaap_SaleOfStockConsiderationReceivedPerTransaction" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StatementOfCashFlowsAbstract" xlink:label="loc_us-gaap_StatementOfCashFlowsAbstract" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_StatementOfCashFlowsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement of Cash Flows [Abstract]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract" xlink:to="lab_us-gaap_StatementOfCashFlowsAbstract" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:label="loc_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract]</label>
    <label xlink:label="lab_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">NON-CASH TRANSACTIONS:</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:to="lab_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StockIssued1" xlink:label="loc_us-gaap_StockIssued1" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_StockIssued1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stock Issued</label>
    <label xlink:label="lab_us-gaap_StockIssued1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Director compensation settled with equity</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockIssued1" xlink:to="lab_us-gaap_StockIssued1" xlink:type="arc"/>
    <loc xlink:href="omex-20210331.xsd#omex_CommonStockAccruedInterestWriteoff" xlink:label="loc_omex_CommonStockAccruedInterestWriteoff" xlink:type="locator"/>
    <label xlink:label="lab_omex_CommonStockAccruedInterestWriteoff" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Common Stock Accrued Interest Writeoff</label>
    <label xlink:label="lab_omex_CommonStockAccruedInterestWriteoff" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accrued interest settled with common stock</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_CommonStockAccruedInterestWriteoff" xlink:to="lab_omex_CommonStockAccruedInterestWriteoff" xlink:type="arc"/>
    <label xlink:label="lab_omex_CommonStockAccruedInterestWriteoff" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Accrued interest settled with common stock.</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Cash Provided by (Used in) Financing Activities [Abstract]</label>
    <label xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">CASH FLOWS FROM FINANCING ACTIVITIES:</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:to="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RepaymentsOfDebt" xlink:label="loc_us-gaap_RepaymentsOfDebt" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_RepaymentsOfDebt" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Repayments of Debt</label>
    <label xlink:label="lab_us-gaap_RepaymentsOfDebt" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Repayment of debt obligations</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RepaymentsOfDebt" xlink:to="lab_us-gaap_RepaymentsOfDebt" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Cash Provided by (Used in) Financing Activities</label>
    <label xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">NET CASH PROVIDED BY FINANCING ACTIVITIES</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:to="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ProceedsFromIssuanceOfLongTermDebt" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfLongTermDebt" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_ProceedsFromIssuanceOfLongTermDebt" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from Issuance of Long-term Debt</label>
    <label xlink:label="lab_us-gaap_ProceedsFromIssuanceOfLongTermDebt" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Proceeds from issuance of notes payable</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromIssuanceOfLongTermDebt" xlink:to="lab_us-gaap_ProceedsFromIssuanceOfLongTermDebt" xlink:type="arc"/>
    <loc xlink:href="omex-20210331.xsd#omex_PaymentOfOperatingLeaseLiability" xlink:label="loc_omex_PaymentOfOperatingLeaseLiability" xlink:type="locator"/>
    <label xlink:label="lab_omex_PaymentOfOperatingLeaseLiability" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payment Of Operating Lease Liability</label>
    <label xlink:label="lab_omex_PaymentOfOperatingLeaseLiability" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Operating lease liability reduction</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_PaymentOfOperatingLeaseLiability" xlink:to="lab_omex_PaymentOfOperatingLeaseLiability" xlink:type="arc"/>
    <label xlink:label="lab_omex_PaymentOfOperatingLeaseLiability" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Payment of operating lease liability.</label>
    <loc xlink:href="omex-20210331.xsd#omex_ProceedsFromSaleOfEquityOfSubsidiary" xlink:label="loc_omex_ProceedsFromSaleOfEquityOfSubsidiary" xlink:type="locator"/>
    <label xlink:label="lab_omex_ProceedsFromSaleOfEquityOfSubsidiary" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds From Sale Of Equity Of Subsidiary</label>
    <label xlink:label="lab_omex_ProceedsFromSaleOfEquityOfSubsidiary" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Sale of subsidiary equity</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_ProceedsFromSaleOfEquityOfSubsidiary" xlink:to="lab_omex_ProceedsFromSaleOfEquityOfSubsidiary" xlink:type="arc"/>
    <label xlink:label="lab_omex_ProceedsFromSaleOfEquityOfSubsidiary" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Proceeds from sale of equity of subsidiary.</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Cash Provided by (Used in) Investing Activities [Abstract]</label>
    <label xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">CASH FLOWS FROM INVESTING ACTIVITIES:</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:to="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments to Acquire Property, Plant, and Equipment</label>
    <label xlink:label="lab_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Purchase of property and equipment</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:to="lab_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Cash Provided by (Used in) Investing Activities</label>
    <label xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">NET CASH (USED) PROVIDED BY INVESTING ACTIVITIES</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:to="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Cash Provided by (Used in) Operating Activities [Abstract]</label>
    <label xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">CASH FLOWS FROM OPERATING ACTIVITIES:</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]</label>
    <label xlink:label="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Adjustments to reconcile net loss to net cash (used) by operating activities:</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_Depreciation" xlink:label="loc_us-gaap_Depreciation" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_Depreciation" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Depreciation</label>
    <label xlink:label="lab_us-gaap_Depreciation" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Depreciation and amortization</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_Depreciation" xlink:to="lab_us-gaap_Depreciation" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncreaseDecreaseInInterestPayableNet" xlink:label="loc_us-gaap_IncreaseDecreaseInInterestPayableNet" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_IncreaseDecreaseInInterestPayableNet" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Interest Payable, Net</label>
    <label xlink:label="lab_us-gaap_IncreaseDecreaseInInterestPayableNet" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Note payable interest accretion</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInInterestPayableNet" xlink:to="lab_us-gaap_IncreaseDecreaseInInterestPayableNet" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeLossFromEquityMethodInvestments" xlink:label="loc_us-gaap_IncomeLossFromEquityMethodInvestments" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_IncomeLossFromEquityMethodInvestments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income (Loss) from Equity Method Investments</label>
    <label xlink:label="lab_us-gaap_IncomeLossFromEquityMethodInvestments" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Investment in unconsolidated entity</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeLossFromEquityMethodInvestments" xlink:to="lab_us-gaap_IncomeLossFromEquityMethodInvestments" xlink:type="arc"/>
    <loc xlink:href="omex-20210331.xsd#omex_OperatingLeaseRightOfUseAssetAmortization" xlink:label="loc_omex_OperatingLeaseRightOfUseAssetAmortization" xlink:type="locator"/>
    <label xlink:label="lab_omex_OperatingLeaseRightOfUseAssetAmortization" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Lease Right Of Use Asset Amortization</label>
    <label xlink:label="lab_omex_OperatingLeaseRightOfUseAssetAmortization" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Right of use asset amortization</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_OperatingLeaseRightOfUseAssetAmortization" xlink:to="lab_omex_OperatingLeaseRightOfUseAssetAmortization" xlink:type="arc"/>
    <label xlink:label="lab_omex_OperatingLeaseRightOfUseAssetAmortization" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Operating lease right of use asset amortization.</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensation" xlink:label="loc_us-gaap_ShareBasedCompensation" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_ShareBasedCompensation" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation</label>
    <label xlink:label="lab_us-gaap_ShareBasedCompensation" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share-based compensation</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensation" xlink:to="lab_us-gaap_ShareBasedCompensation" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtRelatedCommitmentFeesAndDebtIssuanceCosts" xlink:label="loc_us-gaap_DebtRelatedCommitmentFeesAndDebtIssuanceCosts" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_DebtRelatedCommitmentFeesAndDebtIssuanceCosts" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Related Commitment Fees and Debt Issuance Costs</label>
    <label xlink:label="lab_us-gaap_DebtRelatedCommitmentFeesAndDebtIssuanceCosts" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financed lender fees amortization</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtRelatedCommitmentFeesAndDebtIssuanceCosts" xlink:to="lab_us-gaap_DebtRelatedCommitmentFeesAndDebtIssuanceCosts" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncreaseDecreaseInOperatingAssetsAbstract" xlink:label="loc_us-gaap_IncreaseDecreaseInOperatingAssetsAbstract" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_IncreaseDecreaseInOperatingAssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Operating Assets [Abstract]</label>
    <label xlink:label="lab_us-gaap_IncreaseDecreaseInOperatingAssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">(Increase) decrease in:</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingAssetsAbstract" xlink:to="lab_us-gaap_IncreaseDecreaseInOperatingAssetsAbstract" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncreaseDecreaseInOtherOperatingAssets" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingAssets" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_IncreaseDecreaseInOtherOperatingAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Other Operating Assets</label>
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsReceivable" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsReceivable" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_IncreaseDecreaseInAccountsReceivable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Accounts Receivable</label>
    <label xlink:label="lab_us-gaap_IncreaseDecreaseInAccountsReceivable" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Accounts receivable</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInAccountsReceivable" xlink:to="lab_us-gaap_IncreaseDecreaseInAccountsReceivable" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncreaseDecreaseInOperatingLiabilitiesAbstract" xlink:label="loc_us-gaap_IncreaseDecreaseInOperatingLiabilitiesAbstract" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_IncreaseDecreaseInOperatingLiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Operating Liabilities [Abstract]</label>
    <label xlink:label="lab_us-gaap_IncreaseDecreaseInOperatingLiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Increase (decrease) in:</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingLiabilitiesAbstract" xlink:to="lab_us-gaap_IncreaseDecreaseInOperatingLiabilitiesAbstract" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsPayable" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayable" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_IncreaseDecreaseInAccountsPayable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Accounts Payable</label>
    <label xlink:label="lab_us-gaap_IncreaseDecreaseInAccountsPayable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accounts payable</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInAccountsPayable" xlink:to="lab_us-gaap_IncreaseDecreaseInAccountsPayable" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncreaseDecreaseInAccruedLiabilities" xlink:label="loc_us-gaap_IncreaseDecreaseInAccruedLiabilities" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_IncreaseDecreaseInAccruedLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Accrued Liabilities</label>
    <label xlink:label="lab_us-gaap_IncreaseDecreaseInAccruedLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accrued expenses and other</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInAccruedLiabilities" xlink:to="lab_us-gaap_IncreaseDecreaseInAccruedLiabilities" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Cash Provided by (Used in) Operating Activities</label>
    <label xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">NET CASH (USED) BY OPERATING ACTIVITIES</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:to="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SupplementalCashFlowInformationAbstract" xlink:label="loc_us-gaap_SupplementalCashFlowInformationAbstract" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_SupplementalCashFlowInformationAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Supplemental Cash Flow Information [Abstract]</label>
    <label xlink:label="lab_us-gaap_SupplementalCashFlowInformationAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">SUPPLEMENTARY INFORMATION:</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SupplementalCashFlowInformationAbstract" xlink:to="lab_us-gaap_SupplementalCashFlowInformationAbstract" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeTaxesPaid" xlink:label="loc_us-gaap_IncomeTaxesPaid" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_IncomeTaxesPaid" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income Taxes Paid</label>
    <label xlink:label="lab_us-gaap_IncomeTaxesPaid" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Income taxes paid</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeTaxesPaid" xlink:to="lab_us-gaap_IncomeTaxesPaid" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_InterestPaidNet" xlink:label="loc_us-gaap_InterestPaidNet" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_InterestPaidNet" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest Paid, Excluding Capitalized Interest, Operating Activities</label>
    <label xlink:label="lab_us-gaap_InterestPaidNet" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest paid</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InterestPaidNet" xlink:to="lab_us-gaap_InterestPaidNet" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents</label>
    <label xlink:label="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">CASH AT BEGINNING OF PERIOD</label>
    <label xlink:label="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">CASH AT END OF PERIOD</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" xlink:to="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect</label>
    <label xlink:label="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">NET INCREASE (DECREASE) IN CASH</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" xlink:to="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="loc_us-gaap_LongtermDebtTypeAxis" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_LongtermDebtTypeAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Debt, Type [Axis]</label>
    <label xlink:label="lab_us-gaap_LongtermDebtTypeAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Long-term Debt, Type [Axis]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongtermDebtTypeAxis" xlink:to="lab_us-gaap_LongtermDebtTypeAxis" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_LongtermDebtTypeDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Debt, Type [Domain]</label>
    <label xlink:label="lab_us-gaap_LongtermDebtTypeDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Long-term Debt, Type [Domain]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongtermDebtTypeDomain" xlink:to="lab_us-gaap_LongtermDebtTypeDomain" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:label="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Related Party [Axis]</label>
    <label xlink:label="lab_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Related Party [Axis]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:to="lab_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RelatedPartyDomain" xlink:label="loc_us-gaap_RelatedPartyDomain" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_RelatedPartyDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Related Party [Domain]</label>
    <label xlink:label="lab_us-gaap_RelatedPartyDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Related Party [Domain]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RelatedPartyDomain" xlink:to="lab_us-gaap_RelatedPartyDomain" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LitigationSettlementAmountAwardedFromOtherParty" xlink:label="loc_us-gaap_LitigationSettlementAmountAwardedFromOtherParty" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_LitigationSettlementAmountAwardedFromOtherParty" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Litigation Settlement, Amount Awarded from Other Party</label>
    <label xlink:label="lab_us-gaap_LitigationSettlementAmountAwardedFromOtherParty" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Amount settlement from vendor</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LitigationSettlementAmountAwardedFromOtherParty" xlink:to="lab_us-gaap_LitigationSettlementAmountAwardedFromOtherParty" xlink:type="arc"/>
    <loc xlink:href="omex-20210331.xsd#omex_LenderFinancedDebtFees" xlink:label="loc_omex_LenderFinancedDebtFees" xlink:type="locator"/>
    <label xlink:label="lab_omex_LenderFinancedDebtFees" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lender Financed Debt Fees</label>
    <label xlink:label="lab_omex_LenderFinancedDebtFees" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Lender financed debt fees</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_LenderFinancedDebtFees" xlink:to="lab_omex_LenderFinancedDebtFees" xlink:type="arc"/>
    <label xlink:label="lab_omex_LenderFinancedDebtFees" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Lender financed debt fees.</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentUnamortizedDiscount" xlink:label="loc_us-gaap_DebtInstrumentUnamortizedDiscount" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_DebtInstrumentUnamortizedDiscount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Unamortized Discount</label>
    <label xlink:label="lab_us-gaap_DebtInstrumentUnamortizedDiscount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt discount amount</label>
    <label xlink:label="lab_us-gaap_DebtInstrumentUnamortizedDiscount" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Debt discount amount</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentUnamortizedDiscount" xlink:to="lab_us-gaap_DebtInstrumentUnamortizedDiscount" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ConversionOfStockAmountConverted1" xlink:label="loc_us-gaap_ConversionOfStockAmountConverted1" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_ConversionOfStockAmountConverted1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Conversion of Stock, Amount Converted</label>
    <label xlink:label="lab_us-gaap_ConversionOfStockAmountConverted1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Conversion of stock, amount converted</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ConversionOfStockAmountConverted1" xlink:to="lab_us-gaap_ConversionOfStockAmountConverted1" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentConvertibleConversionPrice1" xlink:label="loc_us-gaap_DebtInstrumentConvertibleConversionPrice1" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_DebtInstrumentConvertibleConversionPrice1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Convertible, Conversion Price</label>
    <label xlink:label="lab_us-gaap_DebtInstrumentConvertibleConversionPrice1" xlink:role="http://www.xbrl.org/2003/role/definitionGuidance" xlink:type="resource" xml:lang="en-US">Exercise price</label>
    <label xlink:label="lab_us-gaap_DebtInstrumentConvertibleConversionPrice1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Conversion price of Notes</label>
    <label xlink:label="lab_us-gaap_DebtInstrumentConvertibleConversionPrice1" xlink:role="http://www.xbrl.org/2003/role/positiveVerboseLabel" xlink:type="resource" xml:lang="en-US">Debt Instrument, Convertible, Conversion Price</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentConvertibleConversionPrice1" xlink:to="lab_us-gaap_DebtInstrumentConvertibleConversionPrice1" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ConversionOfStockSharesIssued1" xlink:label="loc_us-gaap_ConversionOfStockSharesIssued1" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_ConversionOfStockSharesIssued1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Conversion of Stock, Shares Issued</label>
    <label xlink:label="lab_us-gaap_ConversionOfStockSharesIssued1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Conversion of stock, shares Issued</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ConversionOfStockSharesIssued1" xlink:to="lab_us-gaap_ConversionOfStockSharesIssued1" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="loc_us-gaap_DebtInstrumentAxis" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_DebtInstrumentAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument [Axis]</label>
    <label xlink:label="lab_us-gaap_DebtInstrumentAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt Instrument [Axis]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentAxis" xlink:to="lab_us-gaap_DebtInstrumentAxis" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_DebtInstrumentNameDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Name [Domain]</label>
    <label xlink:label="lab_us-gaap_DebtInstrumentNameDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt Instrument, Name [Domain]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentNameDomain" xlink:to="lab_us-gaap_DebtInstrumentNameDomain" xlink:type="arc"/>
    <loc xlink:href="omex-20210331.xsd#omex_EpsilonAcquisitionsLLCMember" xlink:label="loc_omex_EpsilonAcquisitionsLLCMember" xlink:type="locator"/>
    <label xlink:label="lab_omex_EpsilonAcquisitionsLLCMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Epsilon Acquisitions, LLC [Member]</label>
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    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockholdersEquityNoteDisclosureTextBlock" xlink:to="lab_us-gaap_StockholdersEquityNoteDisclosureTextBlock" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RisksAndUncertaintiesAbstract" xlink:label="loc_us-gaap_RisksAndUncertaintiesAbstract" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_RisksAndUncertaintiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Risks and Uncertainties [Abstract]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RisksAndUncertaintiesAbstract" xlink:to="lab_us-gaap_RisksAndUncertaintiesAbstract" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ConcentrationRiskDisclosureTextBlock" xlink:label="loc_us-gaap_ConcentrationRiskDisclosureTextBlock" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_ConcentrationRiskDisclosureTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Concentration Risk Disclosure [Text Block]</label>
    <label xlink:label="lab_us-gaap_ConcentrationRiskDisclosureTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Concentration of Credit Risk</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ConcentrationRiskDisclosureTextBlock" xlink:to="lab_us-gaap_ConcentrationRiskDisclosureTextBlock" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RevenueFromContractWithCustomerAbstract" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerAbstract" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_RevenueFromContractWithCustomerAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Revenue from Contract with Customer [Abstract]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RevenueFromContractWithCustomerAbstract" xlink:to="lab_us-gaap_RevenueFromContractWithCustomerAbstract" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RevenueFromContractWithCustomerTextBlock" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerTextBlock" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_RevenueFromContractWithCustomerTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Revenue from Contract with Customer [Text Block]</label>
    <label xlink:label="lab_us-gaap_RevenueFromContractWithCustomerTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Revenue Participation Rights</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RevenueFromContractWithCustomerTextBlock" xlink:to="lab_us-gaap_RevenueFromContractWithCustomerTextBlock" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SubsequentEventsPolicyPolicyTextBlock" xlink:label="loc_us-gaap_SubsequentEventsPolicyPolicyTextBlock" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_SubsequentEventsPolicyPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Subsequent Events, Policy [Policy Text Block]</label>
    <label xlink:label="lab_us-gaap_SubsequentEventsPolicyPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Subsequent Events</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SubsequentEventsPolicyPolicyTextBlock" xlink:to="lab_us-gaap_SubsequentEventsPolicyPolicyTextBlock" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ConsolidationPolicyTextBlock" xlink:label="loc_us-gaap_ConsolidationPolicyTextBlock" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_ConsolidationPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Consolidation, Policy [Policy Text Block]</label>
    <label xlink:label="lab_us-gaap_ConsolidationPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Principles of Consolidation</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ConsolidationPolicyTextBlock" xlink:to="lab_us-gaap_ConsolidationPolicyTextBlock" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_UseOfEstimates" xlink:label="loc_us-gaap_UseOfEstimates" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_UseOfEstimates" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Use of Estimates, Policy [Policy Text Block]</label>
    <label xlink:label="lab_us-gaap_UseOfEstimates" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Use of Estimates</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_UseOfEstimates" xlink:to="lab_us-gaap_UseOfEstimates" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RevenueRecognitionPolicyTextBlock" xlink:label="loc_us-gaap_RevenueRecognitionPolicyTextBlock" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_RevenueRecognitionPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Revenue Recognition, Policy [Policy Text Block]</label>
    <label xlink:label="lab_us-gaap_RevenueRecognitionPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Revenue Recognition and Accounts Receivable</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RevenueRecognitionPolicyTextBlock" xlink:to="lab_us-gaap_RevenueRecognitionPolicyTextBlock" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CashAndCashEquivalentsPolicyTextBlock" xlink:label="loc_us-gaap_CashAndCashEquivalentsPolicyTextBlock" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_CashAndCashEquivalentsPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash and Cash Equivalents, Policy [Policy Text Block]</label>
    <label xlink:label="lab_us-gaap_CashAndCashEquivalentsPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Cash and Cash Equivalents</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashAndCashEquivalentsPolicyTextBlock" xlink:to="lab_us-gaap_CashAndCashEquivalentsPolicyTextBlock" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock" xlink:label="loc_us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Impairment or Disposal of Long-Lived Assets, Policy [Policy Text Block]</label>
    <label xlink:label="lab_us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Long-Lived Assets</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock" xlink:to="lab_us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy" xlink:label="loc_us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation, Option and Incentive Plans Policy [Policy Text Block]</label>
    <label xlink:label="lab_us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Stock-based Compensation</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy" xlink:to="lab_us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueOfFinancialInstrumentsPolicy" xlink:label="loc_us-gaap_FairValueOfFinancialInstrumentsPolicy" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_FairValueOfFinancialInstrumentsPolicy" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value of Financial Instruments, Policy [Policy Text Block]</label>
    <label xlink:label="lab_us-gaap_FairValueOfFinancialInstrumentsPolicy" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Fair Value of Financial Instruments</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueOfFinancialInstrumentsPolicy" xlink:to="lab_us-gaap_FairValueOfFinancialInstrumentsPolicy" xlink:type="arc"/>
    <loc xlink:href="omex-20210331.xsd#omex_ExplorationLicensesPolicyTextBlock" xlink:label="loc_omex_ExplorationLicensesPolicyTextBlock" xlink:type="locator"/>
    <label xlink:label="lab_omex_ExplorationLicensesPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Exploration Licenses [Policy Text Block]</label>
    <label xlink:label="lab_omex_ExplorationLicensesPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Exploration License</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_ExplorationLicensesPolicyTextBlock" xlink:to="lab_omex_ExplorationLicensesPolicyTextBlock" xlink:type="arc"/>
    <label xlink:label="lab_omex_ExplorationLicensesPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Exploration Licenses.</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeTaxPolicyTextBlock" xlink:label="loc_us-gaap_IncomeTaxPolicyTextBlock" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_IncomeTaxPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income Tax, Policy [Policy Text Block]</label>
    <label xlink:label="lab_us-gaap_IncomeTaxPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Income Taxes</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeTaxPolicyTextBlock" xlink:to="lab_us-gaap_IncomeTaxPolicyTextBlock" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PropertyPlantAndEquipmentPolicyTextBlock" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property, Plant and Equipment, Policy [Policy Text Block]</label>
    <label xlink:label="lab_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Property and Equipment and Depreciation</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EarningsPerSharePolicyTextBlock" xlink:label="loc_us-gaap_EarningsPerSharePolicyTextBlock" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_EarningsPerSharePolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Earnings Per Share, Policy [Policy Text Block]</label>
    <label xlink:label="lab_us-gaap_EarningsPerSharePolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Earnings Per Share</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EarningsPerSharePolicyTextBlock" xlink:to="lab_us-gaap_EarningsPerSharePolicyTextBlock" xlink:type="arc"/>
    <loc xlink:href="omex-20210331.xsd#omex_ReclassificationsPolicyTextBlock" xlink:label="loc_omex_ReclassificationsPolicyTextBlock" xlink:type="locator"/>
    <label xlink:label="lab_omex_ReclassificationsPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reclassifications [Policy Text Block]</label>
    <label xlink:label="lab_omex_ReclassificationsPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Reclassifications</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_ReclassificationsPolicyTextBlock" xlink:to="lab_omex_ReclassificationsPolicyTextBlock" xlink:type="arc"/>
    <label xlink:label="lab_omex_ReclassificationsPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Reclassifications.</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Antidilutive Securities [Axis]</label>
    <label xlink:label="lab_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Antidilutive Securities [Axis]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis" xlink:to="lab_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AntidilutiveSecuritiesNameDomain" xlink:label="loc_us-gaap_AntidilutiveSecuritiesNameDomain" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_AntidilutiveSecuritiesNameDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Antidilutive Securities, Name [Domain]</label>
    <label xlink:label="lab_us-gaap_AntidilutiveSecuritiesNameDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Antidilutive Securities, Name [Domain]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AntidilutiveSecuritiesNameDomain" xlink:to="lab_us-gaap_AntidilutiveSecuritiesNameDomain" xlink:type="arc"/>
    <loc xlink:href="omex-20210331.xsd#omex_OutOfMoneyPotentialCommonSharesMember" xlink:label="loc_omex_OutOfMoneyPotentialCommonSharesMember" xlink:type="locator"/>
    <label xlink:label="lab_omex_OutOfMoneyPotentialCommonSharesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Out Of Money Potential Common Shares [Member]</label>
    <label xlink:label="lab_omex_OutOfMoneyPotentialCommonSharesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Out of Money Potential Common Shares [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_OutOfMoneyPotentialCommonSharesMember" xlink:to="lab_omex_OutOfMoneyPotentialCommonSharesMember" xlink:type="arc"/>
    <label xlink:label="lab_omex_OutOfMoneyPotentialCommonSharesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Out of money potential common shares.</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RestrictedStockMember" xlink:label="loc_us-gaap_RestrictedStockMember" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_RestrictedStockMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Restricted Stock [Member]</label>
    <label xlink:label="lab_us-gaap_RestrictedStockMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unvested Restricted Stock Awards Excluded from EPS [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RestrictedStockMember" xlink:to="lab_us-gaap_RestrictedStockMember" xlink:type="arc"/>
    <loc xlink:href="omex-20210331.xsd#omex_InMoneyPotentialCommonSharesMember" xlink:label="loc_omex_InMoneyPotentialCommonSharesMember" xlink:type="locator"/>
    <label xlink:label="lab_omex_InMoneyPotentialCommonSharesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">In Money Potential Common Shares [Member]</label>
    <label xlink:label="lab_omex_InMoneyPotentialCommonSharesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">In the Money Potential Common Shares [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_InMoneyPotentialCommonSharesMember" xlink:to="lab_omex_InMoneyPotentialCommonSharesMember" xlink:type="arc"/>
    <label xlink:label="lab_omex_InMoneyPotentialCommonSharesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">In money potential common shares.</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="loc_us-gaap_StatementClassOfStockAxis" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_StatementClassOfStockAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Class of Stock [Axis]</label>
    <label xlink:label="lab_us-gaap_StatementClassOfStockAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Class of Stock [Axis]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementClassOfStockAxis" xlink:to="lab_us-gaap_StatementClassOfStockAxis" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_ClassOfStockDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Class of Stock [Domain]</label>
    <label xlink:label="lab_us-gaap_ClassOfStockDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Class of Stock [Domain]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ClassOfStockDomain" xlink:to="lab_us-gaap_ClassOfStockDomain" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]</label>
    <label xlink:label="lab_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Reconciliation of Numerators and Denominators used in Computing Basic and Diluted Net Income Per Share</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock" xlink:to="lab_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock" xlink:label="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]</label>
    <label xlink:label="lab_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock" xlink:to="lab_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock" xlink:label="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]</label>
    <label xlink:label="lab_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Summary of Accounts Receivable</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock" xlink:to="lab_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock" xlink:type="arc"/>
    <loc xlink:href="omex-20210331.xsd#omex_ScheduleOfBusinessCombinationConsiderationPaidTableTextBlock" xlink:label="loc_omex_ScheduleOfBusinessCombinationConsiderationPaidTableTextBlock" xlink:type="locator"/>
    <label xlink:label="lab_omex_ScheduleOfBusinessCombinationConsiderationPaidTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule Of Business Combination Consideration Paid [Table Text Block]</label>
    <label xlink:label="lab_omex_ScheduleOfBusinessCombinationConsiderationPaidTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Consideration Paid for the Asset Acquisition Consisted</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_ScheduleOfBusinessCombinationConsiderationPaidTableTextBlock" xlink:to="lab_omex_ScheduleOfBusinessCombinationConsiderationPaidTableTextBlock" xlink:type="arc"/>
    <label xlink:label="lab_omex_ScheduleOfBusinessCombinationConsiderationPaidTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Tabular disclosure of business combination consideration paid.</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfRecognizedIdentifiedAssetsAcquiredAndLiabilitiesAssumedTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfRecognizedIdentifiedAssetsAcquiredAndLiabilitiesAssumedTableTextBlock" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_ScheduleOfRecognizedIdentifiedAssetsAcquiredAndLiabilitiesAssumedTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block]</label>
    <label xlink:label="lab_us-gaap_ScheduleOfRecognizedIdentifiedAssetsAcquiredAndLiabilitiesAssumedTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Consideration Was Allocated</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfRecognizedIdentifiedAssetsAcquiredAndLiabilitiesAssumedTableTextBlock" xlink:to="lab_us-gaap_ScheduleOfRecognizedIdentifiedAssetsAcquiredAndLiabilitiesAssumedTableTextBlock" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SummaryOfValuationAllowanceTextBlock" xlink:label="loc_us-gaap_SummaryOfValuationAllowanceTextBlock" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_SummaryOfValuationAllowanceTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Summary of Valuation Allowance [Table Text Block]</label>
    <label xlink:label="lab_us-gaap_SummaryOfValuationAllowanceTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Change in Valuation Allowance</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SummaryOfValuationAllowanceTextBlock" xlink:to="lab_us-gaap_SummaryOfValuationAllowanceTextBlock" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LessorOperatingLeasePaymentsToBeReceivedMaturityTableTextBlock" xlink:label="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceivedMaturityTableTextBlock" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_LessorOperatingLeasePaymentsToBeReceivedMaturityTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lessor, Operating Lease, Payments to be Received, Maturity [Table Text Block]</label>
    <label xlink:label="lab_us-gaap_LessorOperatingLeasePaymentsToBeReceivedMaturityTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Lessor, Operating Lease, Payments to be Received, Maturity [Table Text Block]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceivedMaturityTableTextBlock" xlink:to="lab_us-gaap_LessorOperatingLeasePaymentsToBeReceivedMaturityTableTextBlock" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_StatementGeographicalAxis" xlink:label="loc_srt_StatementGeographicalAxis" xlink:type="locator"/>
    <label xlink:label="lab_srt_StatementGeographicalAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Geographical [Axis]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_StatementGeographicalAxis" xlink:to="lab_srt_StatementGeographicalAxis" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_SegmentGeographicalDomain" xlink:label="loc_srt_SegmentGeographicalDomain" xlink:type="locator"/>
    <label xlink:label="lab_srt_SegmentGeographicalDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Geographical [Domain]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_SegmentGeographicalDomain" xlink:to="lab_srt_SegmentGeographicalDomain" xlink:type="arc"/>
    <loc xlink:href="https://xbrl.sec.gov/stpr/2018/stpr-2018-01-31.xsd#stpr_FL" xlink:label="loc_stpr_FL" xlink:type="locator"/>
    <label xlink:label="lab_stpr_FL" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">FLORIDA</label>
    <label xlink:label="lab_stpr_FL" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">FLORIDA</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_stpr_FL" xlink:to="lab_stpr_FL" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LineOfCreditFacilityAxis" xlink:label="loc_us-gaap_LineOfCreditFacilityAxis" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_LineOfCreditFacilityAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lender Name [Axis]</label>
    <label xlink:label="lab_us-gaap_LineOfCreditFacilityAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Lender Name [Axis]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LineOfCreditFacilityAxis" xlink:to="lab_us-gaap_LineOfCreditFacilityAxis" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LineOfCreditFacilityLenderDomain" xlink:label="loc_us-gaap_LineOfCreditFacilityLenderDomain" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_LineOfCreditFacilityLenderDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Line of Credit Facility, Lender [Domain]</label>
    <label xlink:label="lab_us-gaap_LineOfCreditFacilityLenderDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Line of Credit Facility, Lender [Domain]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LineOfCreditFacilityLenderDomain" xlink:to="lab_us-gaap_LineOfCreditFacilityLenderDomain" xlink:type="arc"/>
    <loc xlink:href="omex-20210331.xsd#omex_OceanicaResourcesMember" xlink:label="loc_omex_OceanicaResourcesMember" xlink:type="locator"/>
    <label xlink:label="lab_omex_OceanicaResourcesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Oceanica Resources [Member]</label>
    <label xlink:label="lab_omex_OceanicaResourcesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Oceanica Resources S. de. R.L [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_OceanicaResourcesMember" xlink:to="lab_omex_OceanicaResourcesMember" xlink:type="arc"/>
    <label xlink:label="lab_omex_OceanicaResourcesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Oceanica resources.</label>
    <loc xlink:href="omex-20210331.xsd#omex_ScheduleOfAllocationOfCashProceedsToDerivativeComponentsAtTheirFairValuesTableTextBlock" xlink:label="loc_omex_ScheduleOfAllocationOfCashProceedsToDerivativeComponentsAtTheirFairValuesTableTextBlock" xlink:type="locator"/>
    <label xlink:label="lab_omex_ScheduleOfAllocationOfCashProceedsToDerivativeComponentsAtTheirFairValuesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule Of Allocation Of Cash Proceeds To Derivative Components At Their Fair Values [Table Text Block]</label>
    <label xlink:label="lab_omex_ScheduleOfAllocationOfCashProceedsToDerivativeComponentsAtTheirFairValuesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Allocation of Cash Proceeds to Derivative Components at their Fair Values</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_ScheduleOfAllocationOfCashProceedsToDerivativeComponentsAtTheirFairValuesTableTextBlock" xlink:to="lab_omex_ScheduleOfAllocationOfCashProceedsToDerivativeComponentsAtTheirFairValuesTableTextBlock" xlink:type="arc"/>
    <label xlink:label="lab_omex_ScheduleOfAllocationOfCashProceedsToDerivativeComponentsAtTheirFairValuesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of allocation of cash proceeds to derivative components at their fair values.</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfDebtInstrumentsTextBlock" xlink:label="loc_us-gaap_ScheduleOfDebtInstrumentsTextBlock" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_ScheduleOfDebtInstrumentsTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Long-term Debt Instruments [Table Text Block]</label>
    <label xlink:label="lab_us-gaap_ScheduleOfDebtInstrumentsTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Consolidated Notes Payable</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfDebtInstrumentsTextBlock" xlink:to="lab_us-gaap_ScheduleOfDebtInstrumentsTextBlock" xlink:type="arc"/>
    <loc xlink:href="omex-20210331.xsd#omex_PreferredStockActivityTableTextBlock" xlink:label="loc_omex_PreferredStockActivityTableTextBlock" xlink:type="locator"/>
    <label xlink:label="lab_omex_PreferredStockActivityTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Preferred Stock Activity [Table Text Block]</label>
    <label xlink:label="lab_omex_PreferredStockActivityTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Summary of Preferred Stock Allocated to Investors</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_PreferredStockActivityTableTextBlock" xlink:to="lab_omex_PreferredStockActivityTableTextBlock" xlink:type="arc"/>
    <label xlink:label="lab_omex_PreferredStockActivityTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Preferred Stock Activity [Table Text Block]</label>
    <loc xlink:href="omex-20210331.xsd#omex_ScheduleOfRevenueParticipationRightsTableTextBlock" xlink:label="loc_omex_ScheduleOfRevenueParticipationRightsTableTextBlock" xlink:type="locator"/>
    <label xlink:label="lab_omex_ScheduleOfRevenueParticipationRightsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule Of Revenue Participation Rights [Table Text Block]</label>
    <label xlink:label="lab_omex_ScheduleOfRevenueParticipationRightsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Participating Revenue Rights</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_ScheduleOfRevenueParticipationRightsTableTextBlock" xlink:to="lab_omex_ScheduleOfRevenueParticipationRightsTableTextBlock" xlink:type="arc"/>
    <label xlink:label="lab_omex_ScheduleOfRevenueParticipationRightsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of revenue participation rights.</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" xlink:label="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property, Plant and Equipment [Table]</label>
    <label xlink:label="lab_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Property, Plant and Equipment [Table]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" xlink:to="lab_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PropertyPlantAndEquipmentLineItems" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentLineItems" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_PropertyPlantAndEquipmentLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property, Plant and Equipment [Line Items]</label>
    <label xlink:label="lab_us-gaap_PropertyPlantAndEquipmentLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Property, Plant and Equipment [Line Items]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentLineItems" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PropertyPlantAndEquipmentUsefulLife" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentUsefulLife" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_PropertyPlantAndEquipmentUsefulLife" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property, Plant and Equipment, Useful Life</label>
    <label xlink:label="lab_us-gaap_PropertyPlantAndEquipmentUsefulLife" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Property and Equipment, estimated useful life</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentUsefulLife" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentUsefulLife" xlink:type="arc"/>
    <loc xlink:href="omex-20210331.xsd#omex_ShortTermInvestmentsMaturityPeriod" xlink:label="loc_omex_ShortTermInvestmentsMaturityPeriod" xlink:type="locator"/>
    <label xlink:label="lab_omex_ShortTermInvestmentsMaturityPeriod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Short Term Investments Maturity Period</label>
    <label xlink:label="lab_omex_ShortTermInvestmentsMaturityPeriod" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Short-term investment maturity period</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_ShortTermInvestmentsMaturityPeriod" xlink:to="lab_omex_ShortTermInvestmentsMaturityPeriod" xlink:type="arc"/>
    <label xlink:label="lab_omex_ShortTermInvestmentsMaturityPeriod" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Short-term investments maturity period.</label>
    <loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_RangeAxis" xlink:label="loc_srt_RangeAxis" xlink:type="locator"/>
    <label xlink:label="lab_srt_RangeAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Range [Axis]</label>
    <label xlink:label="lab_srt_RangeAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Range [Axis]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_RangeAxis" xlink:to="lab_srt_RangeAxis" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_RangeMember" xlink:label="loc_srt_RangeMember" xlink:type="locator"/>
    <label xlink:label="lab_srt_RangeMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Range [Domain]</label>
    <label xlink:label="lab_srt_RangeMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Range [Domain]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_RangeMember" xlink:to="lab_srt_RangeMember" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_MaximumMember" xlink:label="loc_srt_MaximumMember" xlink:type="locator"/>
    <label xlink:label="lab_srt_MaximumMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Maximum [Member]</label>
    <label xlink:label="lab_srt_MaximumMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Maximum [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_MaximumMember" xlink:to="lab_srt_MaximumMember" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_MinimumMember" xlink:label="loc_srt_MinimumMember" xlink:type="locator"/>
    <label xlink:label="lab_srt_MinimumMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Minimum [Member]</label>
    <label xlink:label="lab_srt_MinimumMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Minimum [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_MinimumMember" xlink:to="lab_srt_MinimumMember" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable" xlink:label="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table]</label>
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_WarrantMember" xlink:label="loc_us-gaap_WarrantMember" xlink:type="locator"/>
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EmployeeStockOptionMember" xlink:label="loc_us-gaap_EmployeeStockOptionMember" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_EmployeeStockOptionMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Employee Stock Option [Member]</label>
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]</label>
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount</label>
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AcceleratedShareRepurchasesFinalPricePaidPerShare" xlink:label="loc_us-gaap_AcceleratedShareRepurchasesFinalPricePaidPerShare" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_AcceleratedShareRepurchasesFinalPricePaidPerShare" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accelerated Share Repurchases, Final Price Paid Per Share</label>
    <label xlink:label="lab_us-gaap_AcceleratedShareRepurchasesFinalPricePaidPerShare" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Average market price during the period</label>
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    <loc xlink:href="omex-20210331.xsd#omex_StockOptionsWithExercisePriceOfTwelvePointEightFourMember" xlink:label="loc_omex_StockOptionsWithExercisePriceOfTwelvePointEightFourMember" xlink:type="locator"/>
    <label xlink:label="lab_omex_StockOptionsWithExercisePriceOfTwelvePointEightFourMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stock Options With Exercise Price of Twelve Point Eight Four [Member]</label>
    <label xlink:label="lab_omex_StockOptionsWithExercisePriceOfTwelvePointEightFourMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Stock Options With an Exercise Price of $12.84 per Share [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_StockOptionsWithExercisePriceOfTwelvePointEightFourMember" xlink:to="lab_omex_StockOptionsWithExercisePriceOfTwelvePointEightFourMember" xlink:type="arc"/>
    <label xlink:label="lab_omex_StockOptionsWithExercisePriceOfTwelvePointEightFourMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Stock options with exercise price of 12.84 [Member]</label>
    <loc xlink:href="omex-20210331.xsd#omex_StockOptionsWithExercisePriceOfTwentySixPointFourZeroMember" xlink:label="loc_omex_StockOptionsWithExercisePriceOfTwentySixPointFourZeroMember" xlink:type="locator"/>
    <label xlink:label="lab_omex_StockOptionsWithExercisePriceOfTwentySixPointFourZeroMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stock Options With Exercise Price of Twenty Six Point Four Zero [Member]</label>
    <label xlink:label="lab_omex_StockOptionsWithExercisePriceOfTwentySixPointFourZeroMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Stock Options With an Exercise Price of $26.40 per Share [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_StockOptionsWithExercisePriceOfTwentySixPointFourZeroMember" xlink:to="lab_omex_StockOptionsWithExercisePriceOfTwentySixPointFourZeroMember" xlink:type="arc"/>
    <label xlink:label="lab_omex_StockOptionsWithExercisePriceOfTwentySixPointFourZeroMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Stock options with exercise price of 26.40 [Member]</label>
    <loc xlink:href="omex-20210331.xsd#omex_WarrantsWithExercisePriceOfSevenPointOneSixMember" xlink:label="loc_omex_WarrantsWithExercisePriceOfSevenPointOneSixMember" xlink:type="locator"/>
    <label xlink:label="lab_omex_WarrantsWithExercisePriceOfSevenPointOneSixMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Warrants with exercise price of seven point one six [Member]</label>
    <label xlink:label="lab_omex_WarrantsWithExercisePriceOfSevenPointOneSixMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Stock Options With an Exercise Price of $7.16 per Share [Member]</label>
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    <label xlink:label="lab_omex_WarrantsWithExercisePriceOfSevenPointOneSixMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Warrants with exercise price of seven point one six.</label>
    <loc xlink:href="omex-20210331.xsd#omex_WarrantsWithExercisePriceOfFivePointSevenSixMember" xlink:label="loc_omex_WarrantsWithExercisePriceOfFivePointSevenSixMember" xlink:type="locator"/>
    <label xlink:label="lab_omex_WarrantsWithExercisePriceOfFivePointSevenSixMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Warrants With Exercise Price Of Five Point Seven Six [Member]</label>
    <label xlink:label="lab_omex_WarrantsWithExercisePriceOfFivePointSevenSixMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Stock Options With an Exercise Price of $5.76 per Share [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_WarrantsWithExercisePriceOfFivePointSevenSixMember" xlink:to="lab_omex_WarrantsWithExercisePriceOfFivePointSevenSixMember" xlink:type="arc"/>
    <label xlink:label="lab_omex_WarrantsWithExercisePriceOfFivePointSevenSixMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Warrants with exercise price of five point seven six.</label>
    <loc xlink:href="omex-20210331.xsd#omex_StockOptionsWithExercisePriceOfTwelvePointFourEightMember" xlink:label="loc_omex_StockOptionsWithExercisePriceOfTwelvePointFourEightMember" xlink:type="locator"/>
    <label xlink:label="lab_omex_StockOptionsWithExercisePriceOfTwelvePointFourEightMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stock Options With Exercise Price of Twelve Point Four Eight [Member]</label>
    <label xlink:label="lab_omex_StockOptionsWithExercisePriceOfTwelvePointFourEightMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Stock Options With an Exercise Price of $12.48 per Share [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_StockOptionsWithExercisePriceOfTwelvePointFourEightMember" xlink:to="lab_omex_StockOptionsWithExercisePriceOfTwelvePointFourEightMember" xlink:type="arc"/>
    <label xlink:label="lab_omex_StockOptionsWithExercisePriceOfTwelvePointFourEightMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Stock options with exercise price of 12.48 [Member]</label>
    <loc xlink:href="omex-20210331.xsd#omex_WarrantsWithExercisePriceOfThreePointNineNineMember" xlink:label="loc_omex_WarrantsWithExercisePriceOfThreePointNineNineMember" xlink:type="locator"/>
    <label xlink:label="lab_omex_WarrantsWithExercisePriceOfThreePointNineNineMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Warrants With Exercise Price Of Three Point Nine Nine [Member]</label>
    <label xlink:label="lab_omex_WarrantsWithExercisePriceOfThreePointNineNineMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Stock Options With an Exercise Price of $3.99 per Share [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_WarrantsWithExercisePriceOfThreePointNineNineMember" xlink:to="lab_omex_WarrantsWithExercisePriceOfThreePointNineNineMember" xlink:type="arc"/>
    <loc xlink:href="omex-20210331.xsd#omex_InvestmentsOptionsExercisePrice" xlink:label="loc_omex_InvestmentsOptionsExercisePrice" xlink:type="locator"/>
    <label xlink:label="lab_omex_InvestmentsOptionsExercisePrice" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Investments Options Exercise Price</label>
    <label xlink:label="lab_omex_InvestmentsOptionsExercisePrice" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Stock options exercise price per share</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_InvestmentsOptionsExercisePrice" xlink:to="lab_omex_InvestmentsOptionsExercisePrice" xlink:type="arc"/>
    <label xlink:label="lab_omex_InvestmentsOptionsExercisePrice" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Investments options exercise price.</label>
    <loc xlink:href="omex-20210331.xsd#omex_NetIncomeLossAvailableToCommonStockholdersBasicAndDiluted" xlink:label="loc_omex_NetIncomeLossAvailableToCommonStockholdersBasicAndDiluted" xlink:type="locator"/>
    <label xlink:label="lab_omex_NetIncomeLossAvailableToCommonStockholdersBasicAndDiluted" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Income Loss Available To Common Stockholders Basic And Diluted</label>
    <label xlink:label="lab_omex_NetIncomeLossAvailableToCommonStockholdersBasicAndDiluted" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Numerator, basic and diluted net income (loss) available to stockholders</label>
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    <label xlink:label="lab_omex_NetIncomeLossAvailableToCommonStockholdersBasicAndDiluted" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Net income loss available to common stockholders basic and diluted.</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustmentAbstract" xlink:label="loc_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustmentAbstract" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustmentAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Incremental Weighted Average Shares Attributable to Dilutive Effect [Abstract]</label>
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EarningsPerShareDiluted" xlink:label="loc_us-gaap_EarningsPerShareDiluted" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_EarningsPerShareDiluted" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Earnings Per Share, Diluted</label>
    <label xlink:label="lab_us-gaap_EarningsPerShareDiluted" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Net (loss) per share &#x2013; diluted</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EarningsPerShareDiluted" xlink:to="lab_us-gaap_EarningsPerShareDiluted" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EarningsPerShareBasic" xlink:label="loc_us-gaap_EarningsPerShareBasic" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_EarningsPerShareBasic" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Earnings Per Share, Basic</label>
    <label xlink:label="lab_us-gaap_EarningsPerShareBasic" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Net (loss) per share &#x2013; basic</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EarningsPerShareBasic" xlink:to="lab_us-gaap_EarningsPerShareBasic" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasicAbstract" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasicAbstract" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasicAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Weighted Average Number of Shares Outstanding, Basic [Abstract]</label>
    <label xlink:label="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasicAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Shares used in computation &#x2013; basic:</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasicAbstract" xlink:to="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasicAbstract" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable" xlink:label="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable" xlink:type="locator"/>
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    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable" xlink:to="lab_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccountsNotesAndLoansReceivableLineItems" xlink:label="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_AccountsNotesAndLoansReceivableLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accounts, Notes, Loans and Financing Receivable [Line Items]</label>
    <label xlink:label="lab_us-gaap_AccountsNotesAndLoansReceivableLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accounts, Notes, Loans and Financing Receivable [Line Items]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems" xlink:to="lab_us-gaap_AccountsNotesAndLoansReceivableLineItems" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccountsReceivableGrossCurrent" xlink:label="loc_us-gaap_AccountsReceivableGrossCurrent" xlink:type="locator"/>
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    <label xlink:label="lab_us-gaap_AccountsReceivableGrossCurrent" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Accounts receivable, gross</label>
    <label xlink:label="lab_us-gaap_AccountsReceivableGrossCurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accounts receivable</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccountsReceivableGrossCurrent" xlink:to="lab_us-gaap_AccountsReceivableGrossCurrent" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis" xlink:label="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis" xlink:type="locator"/>
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    <label xlink:label="lab_us-gaap_ReceivableTypeDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Receivable [Domain]</label>
    <label xlink:label="lab_us-gaap_ReceivableTypeDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Receivable [Domain]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ReceivableTypeDomain" xlink:to="lab_us-gaap_ReceivableTypeDomain" xlink:type="arc"/>
    <loc xlink:href="omex-20210331.xsd#omex_OtherAccountsReceivableMember" xlink:label="loc_omex_OtherAccountsReceivableMember" xlink:type="locator"/>
    <label xlink:label="lab_omex_OtherAccountsReceivableMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Accounts Receivable [Member]</label>
    <label xlink:label="lab_omex_OtherAccountsReceivableMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_OtherAccountsReceivableMember" xlink:to="lab_omex_OtherAccountsReceivableMember" xlink:type="arc"/>
    <label xlink:label="lab_omex_OtherAccountsReceivableMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other accounts receivable.</label>
    <loc xlink:href="omex-20210331.xsd#omex_RelatedPartyMember" xlink:label="loc_omex_RelatedPartyMember" xlink:type="locator"/>
    <label xlink:label="lab_omex_RelatedPartyMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Related Party [Member]</label>
    <label xlink:label="lab_omex_RelatedPartyMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Related Party [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_RelatedPartyMember" xlink:to="lab_omex_RelatedPartyMember" xlink:type="arc"/>
    <label xlink:label="lab_omex_RelatedPartyMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Related party.</label>
    <loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_CounterpartyNameAxis" xlink:label="loc_srt_CounterpartyNameAxis" xlink:type="locator"/>
    <label xlink:label="lab_srt_CounterpartyNameAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Counterparty Name [Axis]</label>
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    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_CounterpartyNameAxis" xlink:to="lab_srt_CounterpartyNameAxis" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_RepurchaseAgreementCounterpartyNameDomain" xlink:label="loc_srt_RepurchaseAgreementCounterpartyNameDomain" xlink:type="locator"/>
    <label xlink:label="lab_srt_RepurchaseAgreementCounterpartyNameDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Counterparty Name [Domain]</label>
    <label xlink:label="lab_srt_RepurchaseAgreementCounterpartyNameDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Counterparty Name [Domain]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_RepurchaseAgreementCounterpartyNameDomain" xlink:to="lab_srt_RepurchaseAgreementCounterpartyNameDomain" xlink:type="arc"/>
    <loc xlink:href="omex-20210331.xsd#omex_MonacoFinancialLLCMember" xlink:label="loc_omex_MonacoFinancialLLCMember" xlink:type="locator"/>
    <label xlink:label="lab_omex_MonacoFinancialLLCMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Monaco Financial LLC [Member]</label>
    <label xlink:label="lab_omex_MonacoFinancialLLCMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Monaco [Member]</label>
    <label xlink:label="lab_omex_MonacoFinancialLLCMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Monaco [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_MonacoFinancialLLCMember" xlink:to="lab_omex_MonacoFinancialLLCMember" xlink:type="arc"/>
    <label xlink:label="lab_omex_MonacoFinancialLLCMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Monaco Financial LLC [Member]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" xlink:label="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Related Party Transactions, by Related Party [Table]</label>
    <label xlink:label="lab_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Related Party Transactions, by Related Party [Table]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" xlink:to="lab_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CollateralAxis" xlink:label="loc_us-gaap_CollateralAxis" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_CollateralAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Collateral [Axis]</label>
    <label xlink:label="lab_us-gaap_CollateralAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Collateral [Axis]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CollateralAxis" xlink:to="lab_us-gaap_CollateralAxis" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CollateralDomain" xlink:label="loc_us-gaap_CollateralDomain" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_CollateralDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Collateral [Domain]</label>
    <label xlink:label="lab_us-gaap_CollateralDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Collateral [Domain]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CollateralDomain" xlink:to="lab_us-gaap_CollateralDomain" xlink:type="arc"/>
    <loc xlink:href="omex-20210331.xsd#omex_DeepSeaMineralCompanyMember" xlink:label="loc_omex_DeepSeaMineralCompanyMember" xlink:type="locator"/>
    <label xlink:label="lab_omex_DeepSeaMineralCompanyMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deep Sea Mineral Company [Member]</label>
    <label xlink:label="lab_omex_DeepSeaMineralCompanyMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deep Sea Mineral Company, CIC, LLC [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_DeepSeaMineralCompanyMember" xlink:to="lab_omex_DeepSeaMineralCompanyMember" xlink:type="arc"/>
    <label xlink:label="lab_omex_DeepSeaMineralCompanyMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Deep Sea Mineral Company.</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RelatedPartyTransactionLineItems" xlink:label="loc_us-gaap_RelatedPartyTransactionLineItems" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_RelatedPartyTransactionLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Related Party Transaction [Line Items]</label>
    <label xlink:label="lab_us-gaap_RelatedPartyTransactionLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Related Party Transaction [Line Items]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems" xlink:to="lab_us-gaap_RelatedPartyTransactionLineItems" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BalanceSheetLocationAxis" xlink:label="loc_us-gaap_BalanceSheetLocationAxis" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_BalanceSheetLocationAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Balance Sheet Location [Axis]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BalanceSheetLocationAxis" xlink:to="lab_us-gaap_BalanceSheetLocationAxis" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BalanceSheetLocationDomain" xlink:label="loc_us-gaap_BalanceSheetLocationDomain" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_BalanceSheetLocationDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Balance Sheet Location [Domain]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BalanceSheetLocationDomain" xlink:to="lab_us-gaap_BalanceSheetLocationDomain" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink:label="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Business Acquisitions, by Acquisition [Table]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink:to="lab_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink:type="arc"/>
    <loc xlink:href="omex-20210331.xsd#omex_BismarckMember" xlink:label="loc_omex_BismarckMember" xlink:type="locator"/>
    <label xlink:label="lab_omex_BismarckMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Bismarck [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_BismarckMember" xlink:to="lab_omex_BismarckMember" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:label="loc_us-gaap_BusinessAcquisitionLineItems" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_BusinessAcquisitionLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Business Acquisition [Line Items]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems" xlink:to="lab_us-gaap_BusinessAcquisitionLineItems" xlink:type="arc"/>
    <loc xlink:href="omex-20210331.xsd#omex_BusinessCombinationConsiderationTransferredFairValueOfCommonSharesIssued" xlink:label="loc_omex_BusinessCombinationConsiderationTransferredFairValueOfCommonSharesIssued" xlink:type="locator"/>
    <label xlink:label="lab_omex_BusinessCombinationConsiderationTransferredFairValueOfCommonSharesIssued" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Business Combination Consideration Transferred Fair Value of Common Shares Issued</label>
    <label xlink:label="lab_omex_BusinessCombinationConsiderationTransferredFairValueOfCommonSharesIssued" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Fair value of common shares issued</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_BusinessCombinationConsiderationTransferredFairValueOfCommonSharesIssued" xlink:to="lab_omex_BusinessCombinationConsiderationTransferredFairValueOfCommonSharesIssued" xlink:type="arc"/>
    <label xlink:label="lab_omex_BusinessCombinationConsiderationTransferredFairValueOfCommonSharesIssued" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Business combination consideration transferred fair value of common shares issued.</label>
    <loc xlink:href="omex-20210331.xsd#omex_BusinessCombinationTotalConsiderationPaid" xlink:label="loc_omex_BusinessCombinationTotalConsiderationPaid" xlink:type="locator"/>
    <label xlink:label="lab_omex_BusinessCombinationTotalConsiderationPaid" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Business Combination Total Consideration Paid</label>
    <label xlink:label="lab_omex_BusinessCombinationTotalConsiderationPaid" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total consideration paid</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_BusinessCombinationTotalConsiderationPaid" xlink:to="lab_omex_BusinessCombinationTotalConsiderationPaid" xlink:type="arc"/>
    <label xlink:label="lab_omex_BusinessCombinationTotalConsiderationPaid" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Business combination total consideration paid.</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessAcquisitionCostOfAcquiredEntityTransactionCosts" xlink:label="loc_us-gaap_BusinessAcquisitionCostOfAcquiredEntityTransactionCosts" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_BusinessAcquisitionCostOfAcquiredEntityTransactionCosts" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Business Acquisition, Transaction Costs</label>
    <label xlink:label="lab_us-gaap_BusinessAcquisitionCostOfAcquiredEntityTransactionCosts" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Direct transaction costs</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BusinessAcquisitionCostOfAcquiredEntityTransactionCosts" xlink:to="lab_us-gaap_BusinessAcquisitionCostOfAcquiredEntityTransactionCosts" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued" xlink:label="loc_us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Business Acquisition, Equity Interest Issued or Issuable, Number of Shares</label>
    <label xlink:label="lab_us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair value of common shares issued</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued" xlink:to="lab_us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssets" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssets" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets</label>
    <label xlink:label="lab_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Current assets</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssets" xlink:to="lab_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssets" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIndefiniteLivedIntangibleAssets" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIndefiniteLivedIntangibleAssets" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIndefiniteLivedIntangibleAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Indefinite-Lived Intangible Assets</label>
    <label xlink:label="lab_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIndefiniteLivedIntangibleAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Intangible asset-exploration license rights</label>
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilities" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilities" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities</label>
    <label xlink:label="lab_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilities" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Current liabilities</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilities" xlink:to="lab_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilities" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessCombinationAcquisitionOfLessThan100PercentNoncontrollingInterestFairValue" xlink:label="loc_us-gaap_BusinessCombinationAcquisitionOfLessThan100PercentNoncontrollingInterestFairValue" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_BusinessCombinationAcquisitionOfLessThan100PercentNoncontrollingInterestFairValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Business Combination, Acquisition of Less than 100 Percent, Noncontrolling Interest, Fair Value</label>
    <label xlink:label="lab_us-gaap_BusinessCombinationAcquisitionOfLessThan100PercentNoncontrollingInterestFairValue" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Less:&#xA0;Non-controlling&#xA0;interest</label>
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    <label xlink:label="lab_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total net assets acquired</label>
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    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccountingStandardsUpdate201701Member" xlink:label="loc_us-gaap_AccountingStandardsUpdate201701Member" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_AccountingStandardsUpdate201701Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accounting Standards Update 2017-01 [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccountingStandardsUpdate201701Member" xlink:to="lab_us-gaap_AccountingStandardsUpdate201701Member" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired" xlink:label="loc_us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Business Acquisition, Percentage of Voting Interests Acquired</label>
    <label xlink:label="lab_us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percent of ownership acquired</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired" xlink:to="lab_us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired" xlink:type="arc"/>
    <loc xlink:href="omex-20210331.xsd#omex_AnnualFeeDue" xlink:label="loc_omex_AnnualFeeDue" xlink:type="locator"/>
    <label xlink:label="lab_omex_AnnualFeeDue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Annual Fee Due</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_AnnualFeeDue" xlink:to="lab_omex_AnnualFeeDue" xlink:type="arc"/>
    <label xlink:label="lab_omex_AnnualFeeDue" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Annual fee due.</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ExplorationAbandonmentAndImpairmentExpense" xlink:label="loc_us-gaap_ExplorationAbandonmentAndImpairmentExpense" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_ExplorationAbandonmentAndImpairmentExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Exploration Abandonment and Impairment Expense</label>
    <label xlink:label="lab_us-gaap_ExplorationAbandonmentAndImpairmentExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Impairment expense</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ExplorationAbandonmentAndImpairmentExpense" xlink:to="lab_us-gaap_ExplorationAbandonmentAndImpairmentExpense" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BusinessCombinationsAbstract" xlink:label="loc_us-gaap_BusinessCombinationsAbstract" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_BusinessCombinationsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Business Combinations [Abstract]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BusinessCombinationsAbstract" xlink:to="lab_us-gaap_BusinessCombinationsAbstract" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentsTable" xlink:label="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_ScheduleOfEquityMethodInvestmentsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Equity Method Investments [Table]</label>
    <label xlink:label="lab_us-gaap_ScheduleOfEquityMethodInvestmentsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Equity Method Investments [Table]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable" xlink:to="lab_us-gaap_ScheduleOfEquityMethodInvestmentsTable" xlink:type="arc"/>
    <loc xlink:href="omex-20210331.xsd#omex_GregStemmMember" xlink:label="loc_omex_GregStemmMember" xlink:type="locator"/>
    <label xlink:label="lab_omex_GregStemmMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Greg stemm [Member]</label>
    <label xlink:label="lab_omex_GregStemmMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Greg Stemm [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_GregStemmMember" xlink:to="lab_omex_GregStemmMember" xlink:type="arc"/>
    <label xlink:label="lab_omex_GregStemmMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Greg stemm.</label>
    <loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" xlink:label="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" xlink:type="locator"/>
    <label xlink:label="lab_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Investment, Name [Axis]</label>
    <label xlink:label="lab_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Investment, Name [Axis]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" xlink:to="lab_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_EquityMethodInvesteeNameDomain" xlink:label="loc_srt_EquityMethodInvesteeNameDomain" xlink:type="locator"/>
    <label xlink:label="lab_srt_EquityMethodInvesteeNameDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Investment, Name [Domain]</label>
    <label xlink:label="lab_srt_EquityMethodInvesteeNameDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Investment, Name [Domain]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_EquityMethodInvesteeNameDomain" xlink:to="lab_srt_EquityMethodInvesteeNameDomain" xlink:type="arc"/>
    <loc xlink:href="omex-20210331.xsd#omex_NeptuneMineralsIncorporatedMember" xlink:label="loc_omex_NeptuneMineralsIncorporatedMember" xlink:type="locator"/>
    <label xlink:label="lab_omex_NeptuneMineralsIncorporatedMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Neptune Minerals Incorporated [Member]</label>
    <label xlink:label="lab_omex_NeptuneMineralsIncorporatedMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Neptune Minerals, Inc. [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_NeptuneMineralsIncorporatedMember" xlink:to="lab_omex_NeptuneMineralsIncorporatedMember" xlink:type="arc"/>
    <label xlink:label="lab_omex_NeptuneMineralsIncorporatedMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Neptune minerals incorporated.</label>
    <loc xlink:href="omex-20210331.xsd#omex_DoradoOceanResourcesLimitedMember" xlink:label="loc_omex_DoradoOceanResourcesLimitedMember" xlink:type="locator"/>
    <label xlink:label="lab_omex_DoradoOceanResourcesLimitedMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Dorado Ocean Resources Limited [Member]</label>
    <label xlink:label="lab_omex_DoradoOceanResourcesLimitedMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Dorado Ocean Resources, Ltd. [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_DoradoOceanResourcesLimitedMember" xlink:to="lab_omex_DoradoOceanResourcesLimitedMember" xlink:type="arc"/>
    <label xlink:label="lab_omex_DoradoOceanResourcesLimitedMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Dorado ocean resources limited.</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentsLineItems" xlink:label="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Equity Method Investments [Line Items]</label>
    <label xlink:label="lab_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Equity Method Investments [Line Items]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems" xlink:to="lab_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems" xlink:type="arc"/>
    <loc xlink:href="omex-20210331.xsd#omex_CumulativeAndOutstandingLosses" xlink:label="loc_omex_CumulativeAndOutstandingLosses" xlink:type="locator"/>
    <label xlink:label="lab_omex_CumulativeAndOutstandingLosses" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cumulative And Outstanding Losses</label>
    <label xlink:label="lab_omex_CumulativeAndOutstandingLosses" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loss from unconsolidated entity</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_CumulativeAndOutstandingLosses" xlink:to="lab_omex_CumulativeAndOutstandingLosses" xlink:type="arc"/>
    <label xlink:label="lab_omex_CumulativeAndOutstandingLosses" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Cumulative and outstanding losses.</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ConversionOfStockSharesConverted1" xlink:label="loc_us-gaap_ConversionOfStockSharesConverted1" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_ConversionOfStockSharesConverted1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Conversion of Stock, Shares Converted</label>
    <label xlink:label="lab_us-gaap_ConversionOfStockSharesConverted1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Aggregate number of shares converted</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ConversionOfStockSharesConverted1" xlink:to="lab_us-gaap_ConversionOfStockSharesConverted1" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EquityMethodInvestmentOwnershipPercentage" xlink:label="loc_us-gaap_EquityMethodInvestmentOwnershipPercentage" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_EquityMethodInvestmentOwnershipPercentage" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity Method Investment, Ownership Percentage</label>
    <label xlink:label="lab_us-gaap_EquityMethodInvestmentOwnershipPercentage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Ownership percentage</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EquityMethodInvestmentOwnershipPercentage" xlink:to="lab_us-gaap_EquityMethodInvestmentOwnershipPercentage" xlink:type="arc"/>
    <loc xlink:href="omex-20210331.xsd#omex_EquityMethodInvestmentsNumberOfSharesOwned" xlink:label="loc_omex_EquityMethodInvestmentsNumberOfSharesOwned" xlink:type="locator"/>
    <label xlink:label="lab_omex_EquityMethodInvestmentsNumberOfSharesOwned" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity Method Investments Number Of Shares Owned</label>
    <label xlink:label="lab_omex_EquityMethodInvestmentsNumberOfSharesOwned" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Current investment position in NMI</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_EquityMethodInvestmentsNumberOfSharesOwned" xlink:to="lab_omex_EquityMethodInvestmentsNumberOfSharesOwned" xlink:type="arc"/>
    <label xlink:label="lab_omex_EquityMethodInvestmentsNumberOfSharesOwned" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Equity method investments number of shares owned.</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SaleOfStockPercentageOfOwnershipAfterTransaction" xlink:label="loc_us-gaap_SaleOfStockPercentageOfOwnershipAfterTransaction" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_SaleOfStockPercentageOfOwnershipAfterTransaction" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Sale of Stock, Percentage of Ownership after Transaction</label>
    <label xlink:label="lab_us-gaap_SaleOfStockPercentageOfOwnershipAfterTransaction" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Outstanding equity stake in CRP</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SaleOfStockPercentageOfOwnershipAfterTransaction" xlink:to="lab_us-gaap_SaleOfStockPercentageOfOwnershipAfterTransaction" xlink:type="arc"/>
    <loc xlink:href="omex-20210331.xsd#omex_MiningExploratoryServiceRevenue" xlink:label="loc_omex_MiningExploratoryServiceRevenue" xlink:type="locator"/>
    <label xlink:label="lab_omex_MiningExploratoryServiceRevenue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Mining Exploratory Service Revenue</label>
    <label xlink:label="lab_omex_MiningExploratoryServiceRevenue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deep sea mining exploratory services</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_MiningExploratoryServiceRevenue" xlink:to="lab_omex_MiningExploratoryServiceRevenue" xlink:type="arc"/>
    <label xlink:label="lab_omex_MiningExploratoryServiceRevenue" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Mining exploratory service revenue.</label>
    <loc xlink:href="omex-20210331.xsd#omex_SharesReceivedFromUnconsolidatedEntities" xlink:label="loc_omex_SharesReceivedFromUnconsolidatedEntities" xlink:type="locator"/>
    <label xlink:label="lab_omex_SharesReceivedFromUnconsolidatedEntities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Shares Received From Unconsolidated Entities</label>
    <label xlink:label="lab_omex_SharesReceivedFromUnconsolidatedEntities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Shares received from CRP</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_SharesReceivedFromUnconsolidatedEntities" xlink:to="lab_omex_SharesReceivedFromUnconsolidatedEntities" xlink:type="arc"/>
    <label xlink:label="lab_omex_SharesReceivedFromUnconsolidatedEntities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Shares received from unconsolidated entities.</label>
    <loc xlink:href="omex-20210331.xsd#omex_InvestmentsIssuerAxis" xlink:label="loc_omex_InvestmentsIssuerAxis" xlink:type="locator"/>
    <label xlink:label="lab_omex_InvestmentsIssuerAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Investments Issuer [Axis]</label>
    <label xlink:label="lab_omex_InvestmentsIssuerAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Investment Issuer [Axis]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_InvestmentsIssuerAxis" xlink:to="lab_omex_InvestmentsIssuerAxis" xlink:type="arc"/>
    <label xlink:label="lab_omex_InvestmentsIssuerAxis" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Investments Issuer [Axis].</label>
    <loc xlink:href="omex-20210331.xsd#omex_InvestmentsIssuerDomain" xlink:label="loc_omex_InvestmentsIssuerDomain" xlink:type="locator"/>
    <label xlink:label="lab_omex_InvestmentsIssuerDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Investments Issuer [Domain]</label>
    <label xlink:label="lab_omex_InvestmentsIssuerDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Investment Issuer [Domain]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_InvestmentsIssuerDomain" xlink:to="lab_omex_InvestmentsIssuerDomain" xlink:type="arc"/>
    <label xlink:label="lab_omex_InvestmentsIssuerDomain" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Investments Issuer [Domain].</label>
    <loc xlink:href="omex-20210331.xsd#omex_ChathamRockPhosphateLtdMember" xlink:label="loc_omex_ChathamRockPhosphateLtdMember" xlink:type="locator"/>
    <label xlink:label="lab_omex_ChathamRockPhosphateLtdMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Chatham Rock Phosphate Ltd [Member]</label>
    <label xlink:label="lab_omex_ChathamRockPhosphateLtdMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Chatham Rock Phosphate, Ltd. [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_ChathamRockPhosphateLtdMember" xlink:to="lab_omex_ChathamRockPhosphateLtdMember" xlink:type="arc"/>
    <label xlink:label="lab_omex_ChathamRockPhosphateLtdMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Chatham rock phosphate ltd.</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommonClassAMember" xlink:label="loc_us-gaap_CommonClassAMember" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_CommonClassAMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Common Class A [Member]</label>
    <label xlink:label="lab_us-gaap_CommonClassAMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Common Class A [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommonClassAMember" xlink:to="lab_us-gaap_CommonClassAMember" xlink:type="arc"/>
    <loc xlink:href="omex-20210331.xsd#omex_CommonClassBNonVotingSharesMember" xlink:label="loc_omex_CommonClassBNonVotingSharesMember" xlink:type="locator"/>
    <label xlink:label="lab_omex_CommonClassBNonVotingSharesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Common Class B Non Voting Shares [Member]</label>
    <label xlink:label="lab_omex_CommonClassBNonVotingSharesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Common Class B Non Voting Shares [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_CommonClassBNonVotingSharesMember" xlink:to="lab_omex_CommonClassBNonVotingSharesMember" xlink:type="arc"/>
    <label xlink:label="lab_omex_CommonClassBNonVotingSharesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Common Class B Non Voting Shares [Member]</label>
    <loc xlink:href="omex-20210331.xsd#omex_SeriesAPreferredNonVotingSharesMember" xlink:label="loc_omex_SeriesAPreferredNonVotingSharesMember" xlink:type="locator"/>
    <label xlink:label="lab_omex_SeriesAPreferredNonVotingSharesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series A Preferred Non Voting Shares [Member]</label>
    <label xlink:label="lab_omex_SeriesAPreferredNonVotingSharesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Series A Preferred Non Voting Shares [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_SeriesAPreferredNonVotingSharesMember" xlink:to="lab_omex_SeriesAPreferredNonVotingSharesMember" xlink:type="arc"/>
    <label xlink:label="lab_omex_SeriesAPreferredNonVotingSharesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series A Preferred Non Voting Shares [Member]</label>
    <loc xlink:href="omex-20210331.xsd#omex_IncomeTaxesTable" xlink:label="loc_omex_IncomeTaxesTable" xlink:type="locator"/>
    <label xlink:label="lab_omex_IncomeTaxesTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income Taxes [Table]</label>
    <label xlink:label="lab_omex_IncomeTaxesTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Income Taxes [Table]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_IncomeTaxesTable" xlink:to="lab_omex_IncomeTaxesTable" xlink:type="arc"/>
    <label xlink:label="lab_omex_IncomeTaxesTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Income taxes.</label>
    <loc xlink:href="omex-20210331.xsd#omex_IncomeTaxesLineItems" xlink:label="loc_omex_IncomeTaxesLineItems" xlink:type="locator"/>
    <label xlink:label="lab_omex_IncomeTaxesLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income Taxes [Line Items]</label>
    <label xlink:label="lab_omex_IncomeTaxesLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Income Taxes [Line Items]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_IncomeTaxesLineItems" xlink:to="lab_omex_IncomeTaxesLineItems" xlink:type="arc"/>
    <label xlink:label="lab_omex_IncomeTaxesLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Income taxes.</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration" xlink:label="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Tax Assets, Operating Loss Carryforwards, Subject to Expiration</label>
    <label xlink:label="lab_us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net operating loss carryforwards subject to expiration</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration" xlink:to="lab_us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration" xlink:type="arc"/>
    <loc xlink:href="omex-20210331.xsd#omex_EstimatedAnnualEffectiveTaxRate" xlink:label="loc_omex_EstimatedAnnualEffectiveTaxRate" xlink:type="locator"/>
    <label xlink:label="lab_omex_EstimatedAnnualEffectiveTaxRate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Estimated Annual Effective Tax Rate</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_EstimatedAnnualEffectiveTaxRate" xlink:to="lab_omex_EstimatedAnnualEffectiveTaxRate" xlink:type="arc"/>
    <label xlink:label="lab_omex_EstimatedAnnualEffectiveTaxRate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Estimated Annual Effective Tax Rate</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredTaxAssetsLiabilitiesNet" xlink:label="loc_us-gaap_DeferredTaxAssetsLiabilitiesNet" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_DeferredTaxAssetsLiabilitiesNet" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Tax Assets, Net</label>
    <label xlink:label="lab_us-gaap_DeferredTaxAssetsLiabilitiesNet" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net deferred tax asset</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredTaxAssetsLiabilitiesNet" xlink:to="lab_us-gaap_DeferredTaxAssetsLiabilitiesNet" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingLossCarryforwards" xlink:label="loc_us-gaap_OperatingLossCarryforwards" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_OperatingLossCarryforwards" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Loss Carryforwards</label>
    <label xlink:label="lab_us-gaap_OperatingLossCarryforwards" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Net operating loss carryforwards</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLossCarryforwards" xlink:to="lab_us-gaap_OperatingLossCarryforwards" xlink:type="arc"/>
    <loc xlink:href="omex-20210331.xsd#omex_OperatingLossCarryforwardsExpirationBeginningYear" xlink:label="loc_omex_OperatingLossCarryforwardsExpirationBeginningYear" xlink:type="locator"/>
    <label xlink:label="lab_omex_OperatingLossCarryforwardsExpirationBeginningYear" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Loss Carryforwards Expiration Beginning Year</label>
    <label xlink:label="lab_omex_OperatingLossCarryforwardsExpirationBeginningYear" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net operating loss carryforwards expiration year</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_OperatingLossCarryforwardsExpirationBeginningYear" xlink:to="lab_omex_OperatingLossCarryforwardsExpirationBeginningYear" xlink:type="arc"/>
    <label xlink:label="lab_omex_OperatingLossCarryforwardsExpirationBeginningYear" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Operating loss carryforwards expiration beginning year.</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EffectiveIncomeTaxRateContinuingOperations" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_EffectiveIncomeTaxRateContinuingOperations" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Effective Income Tax Rate Reconciliation, Percent</label>
    <label xlink:label="lab_us-gaap_EffectiveIncomeTaxRateContinuingOperations" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Effective tax rate</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations" xlink:to="lab_us-gaap_EffectiveIncomeTaxRateContinuingOperations" xlink:type="arc"/>
    <loc xlink:href="omex-20210331.xsd#omex_OperatingLossCarryforwardsExpirationEndingYear" xlink:label="loc_omex_OperatingLossCarryforwardsExpirationEndingYear" xlink:type="locator"/>
    <label xlink:label="lab_omex_OperatingLossCarryforwardsExpirationEndingYear" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Loss Carryforwards Expiration Ending Year</label>
    <label xlink:label="lab_omex_OperatingLossCarryforwardsExpirationEndingYear" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net operating loss carryforwards expiration year</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_OperatingLossCarryforwardsExpirationEndingYear" xlink:to="lab_omex_OperatingLossCarryforwardsExpirationEndingYear" xlink:type="arc"/>
    <label xlink:label="lab_omex_OperatingLossCarryforwardsExpirationEndingYear" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Operating Loss Carry Forwards Expiration Ending Year</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CurrentFederalTaxExpenseBenefit" xlink:label="loc_us-gaap_CurrentFederalTaxExpenseBenefit" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_CurrentFederalTaxExpenseBenefit" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current Federal Tax Expense (Benefit)</label>
    <label xlink:label="lab_us-gaap_CurrentFederalTaxExpenseBenefit" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Income tax expense</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CurrentFederalTaxExpenseBenefit" xlink:to="lab_us-gaap_CurrentFederalTaxExpenseBenefit" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingLossCarryforwardsValuationAllowance" xlink:label="loc_us-gaap_OperatingLossCarryforwardsValuationAllowance" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_OperatingLossCarryforwardsValuationAllowance" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Loss Carryforwards, Valuation Allowance</label>
    <label xlink:label="lab_us-gaap_OperatingLossCarryforwardsValuationAllowance" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Valuation allowance, net operating loss</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLossCarryforwardsValuationAllowance" xlink:to="lab_us-gaap_OperatingLossCarryforwardsValuationAllowance" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeTaxAuthorityAxis" xlink:label="loc_us-gaap_IncomeTaxAuthorityAxis" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_IncomeTaxAuthorityAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income Tax Authority [Axis]</label>
    <label xlink:label="lab_us-gaap_IncomeTaxAuthorityAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Income Tax Authority [Axis]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeTaxAuthorityAxis" xlink:to="lab_us-gaap_IncomeTaxAuthorityAxis" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_IncomeTaxAuthorityDomain" xlink:label="loc_us-gaap_IncomeTaxAuthorityDomain" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_IncomeTaxAuthorityDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income Tax Authority [Domain]</label>
    <label xlink:label="lab_us-gaap_IncomeTaxAuthorityDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Income Tax Authority [Domain]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeTaxAuthorityDomain" xlink:to="lab_us-gaap_IncomeTaxAuthorityDomain" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DomesticCountryMember" xlink:label="loc_us-gaap_DomesticCountryMember" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_DomesticCountryMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Domestic Tax Authority [Member]</label>
    <label xlink:label="lab_us-gaap_DomesticCountryMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Federal [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DomesticCountryMember" xlink:to="lab_us-gaap_DomesticCountryMember" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ForeignCountryMember" xlink:label="loc_us-gaap_ForeignCountryMember" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_ForeignCountryMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Foreign Tax Authority [Member]</label>
    <label xlink:label="lab_us-gaap_ForeignCountryMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Foreign [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ForeignCountryMember" xlink:to="lab_us-gaap_ForeignCountryMember" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredTaxAssetsValuationAllowance" xlink:label="loc_us-gaap_DeferredTaxAssetsValuationAllowance" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_DeferredTaxAssetsValuationAllowance" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Tax Assets, Valuation Allowance</label>
    <label xlink:label="lab_us-gaap_DeferredTaxAssetsValuationAllowance" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Valuation allowance</label>
    <label xlink:label="lab_us-gaap_DeferredTaxAssetsValuationAllowance" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Valuation allowance</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredTaxAssetsValuationAllowance" xlink:to="lab_us-gaap_DeferredTaxAssetsValuationAllowance" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount" xlink:label="loc_us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount</label>
    <label xlink:label="lab_us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Change in valuation allowance</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount" xlink:to="lab_us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract" xlink:label="loc_us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Lease Liabilities, Payments Due [Abstract]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract" xlink:to="lab_us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lessee, Operating Lease, Liability, to be Paid, Year Three</label>
    <label xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2024</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree" xlink:to="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lessee, Operating Lease, Liability, to be Paid, Year Two</label>
    <label xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">2023</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo" xlink:to="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lessee, Operating Lease, Liability, Payments, Due</label>
    <label xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total</label>
    <label xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Cash Lease Obligation</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue" xlink:to="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lessee, Operating Lease, Liability, to be Paid, Remainder of Fiscal Year</label>
    <label xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">2021</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear" xlink:to="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lessee, Operating Lease, Liability, to be Paid, Year One</label>
    <label xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">2022</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths" xlink:to="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_GainContingenciesTable" xlink:label="loc_us-gaap_GainContingenciesTable" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_GainContingenciesTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gain Contingencies [Table]</label>
    <label xlink:label="lab_us-gaap_GainContingenciesTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Gain Contingencies [Table]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GainContingenciesTable" xlink:to="lab_us-gaap_GainContingenciesTable" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredRevenueArrangementTypeAxis" xlink:label="loc_us-gaap_DeferredRevenueArrangementTypeAxis" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_DeferredRevenueArrangementTypeAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Revenue Arrangement Type [Axis]</label>
    <label xlink:label="lab_us-gaap_DeferredRevenueArrangementTypeAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred Revenue Arrangement Type [Axis]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredRevenueArrangementTypeAxis" xlink:to="lab_us-gaap_DeferredRevenueArrangementTypeAxis" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredRevenueArrangementTypeDomain" xlink:label="loc_us-gaap_DeferredRevenueArrangementTypeDomain" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_DeferredRevenueArrangementTypeDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Revenue [Domain]</label>
    <label xlink:label="lab_us-gaap_DeferredRevenueArrangementTypeDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred Revenue [Domain]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredRevenueArrangementTypeDomain" xlink:to="lab_us-gaap_DeferredRevenueArrangementTypeDomain" xlink:type="arc"/>
    <loc xlink:href="omex-20210331.xsd#omex_PenelopeMiningLlcMember" xlink:label="loc_omex_PenelopeMiningLlcMember" xlink:type="locator"/>
    <label xlink:label="lab_omex_PenelopeMiningLlcMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Penelope Mining LLC [Member]</label>
    <label xlink:label="lab_omex_PenelopeMiningLlcMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Penelope Mining LLC [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_PenelopeMiningLlcMember" xlink:to="lab_omex_PenelopeMiningLlcMember" xlink:type="arc"/>
    <label xlink:label="lab_omex_PenelopeMiningLlcMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Penelope Mining LLC [Member]</label>
    <loc xlink:href="omex-20210331.xsd#omex_MinosaMember" xlink:label="loc_omex_MinosaMember" xlink:type="locator"/>
    <label xlink:label="lab_omex_MinosaMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">MINOSA [Member]</label>
    <label xlink:label="lab_omex_MinosaMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">MINOSA [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_MinosaMember" xlink:to="lab_omex_MinosaMember" xlink:type="arc"/>
    <label xlink:label="lab_omex_MinosaMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">MINOSA.</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LossContingenciesByNatureOfContingencyAxis" xlink:label="loc_us-gaap_LossContingenciesByNatureOfContingencyAxis" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_LossContingenciesByNatureOfContingencyAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loss Contingency Nature [Axis]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LossContingenciesByNatureOfContingencyAxis" xlink:to="lab_us-gaap_LossContingenciesByNatureOfContingencyAxis" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LossContingencyNatureDomain" xlink:label="loc_us-gaap_LossContingencyNatureDomain" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_LossContingencyNatureDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loss Contingency, Nature [Domain]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LossContingencyNatureDomain" xlink:to="lab_us-gaap_LossContingencyNatureDomain" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ExtinguishmentOfDebtAxis" xlink:label="loc_us-gaap_ExtinguishmentOfDebtAxis" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_ExtinguishmentOfDebtAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Extinguishment of Debt [Axis]</label>
    <label xlink:label="lab_us-gaap_ExtinguishmentOfDebtAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Extinguishment of Debt [Axis]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ExtinguishmentOfDebtAxis" xlink:to="lab_us-gaap_ExtinguishmentOfDebtAxis" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ExtinguishmentOfDebtTypeDomain" xlink:label="loc_us-gaap_ExtinguishmentOfDebtTypeDomain" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_ExtinguishmentOfDebtTypeDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Extinguishment of Debt, Type [Domain]</label>
    <label xlink:label="lab_us-gaap_ExtinguishmentOfDebtTypeDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Extinguishment of Debt, Type [Domain]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ExtinguishmentOfDebtTypeDomain" xlink:to="lab_us-gaap_ExtinguishmentOfDebtTypeDomain" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_GainContingenciesLineItems" xlink:label="loc_us-gaap_GainContingenciesLineItems" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_GainContingenciesLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gain Contingencies [Line Items]</label>
    <label xlink:label="lab_us-gaap_GainContingenciesLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Gain Contingencies [Line Items]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GainContingenciesLineItems" xlink:to="lab_us-gaap_GainContingenciesLineItems" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ProfessionalFees" xlink:label="loc_us-gaap_ProfessionalFees" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_ProfessionalFees" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Professional Fees</label>
    <label xlink:label="lab_us-gaap_ProfessionalFees" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Consultants contingent success fees</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProfessionalFees" xlink:to="lab_us-gaap_ProfessionalFees" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CommonStockCapitalSharesReservedForFutureIssuance" xlink:label="loc_us-gaap_CommonStockCapitalSharesReservedForFutureIssuance" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_CommonStockCapitalSharesReservedForFutureIssuance" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Common Stock, Capital Shares Reserved for Future Issuance</label>
    <label xlink:label="lab_us-gaap_CommonStockCapitalSharesReservedForFutureIssuance" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Grant and potential future issuance of new equity shares</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommonStockCapitalSharesReservedForFutureIssuance" xlink:to="lab_us-gaap_CommonStockCapitalSharesReservedForFutureIssuance" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingLeaseLiability" xlink:label="loc_us-gaap_OperatingLeaseLiability" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_OperatingLeaseLiability" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Lease, Liability</label>
    <label xlink:label="lab_us-gaap_OperatingLeaseLiability" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Lease Obligation</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeaseLiability" xlink:to="lab_us-gaap_OperatingLeaseLiability" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LesseeOperatingLeaseDiscountRate" xlink:label="loc_us-gaap_LesseeOperatingLeaseDiscountRate" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_LesseeOperatingLeaseDiscountRate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lessee, Operating Lease, Discount Rate</label>
    <label xlink:label="lab_us-gaap_LesseeOperatingLeaseDiscountRate" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Rate Of Discount Used</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LesseeOperatingLeaseDiscountRate" xlink:to="lab_us-gaap_LesseeOperatingLeaseDiscountRate" xlink:type="arc"/>
    <loc xlink:href="omex-20210331.xsd#omex_MonthlyLeasePayments" xlink:label="loc_omex_MonthlyLeasePayments" xlink:type="locator"/>
    <label xlink:label="lab_omex_MonthlyLeasePayments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Monthly Lease Payments</label>
    <label xlink:label="lab_omex_MonthlyLeasePayments" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Monthly Lease Payments</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_MonthlyLeasePayments" xlink:to="lab_omex_MonthlyLeasePayments" xlink:type="arc"/>
    <label xlink:label="lab_omex_MonthlyLeasePayments" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Monthly lease payments.</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LesseeOperatingLeaseTermOfContract" xlink:label="loc_us-gaap_LesseeOperatingLeaseTermOfContract" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_LesseeOperatingLeaseTermOfContract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lessee, Operating Lease, Term of Contract</label>
    <label xlink:label="lab_us-gaap_LesseeOperatingLeaseTermOfContract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Tenure Of Lease Agreement</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LesseeOperatingLeaseTermOfContract" xlink:to="lab_us-gaap_LesseeOperatingLeaseTermOfContract" xlink:type="arc"/>
    <loc xlink:href="omex-20210331.xsd#omex_EffectiveDateOfOperatingLeaseAgreeement" xlink:label="loc_omex_EffectiveDateOfOperatingLeaseAgreeement" xlink:type="locator"/>
    <label xlink:label="lab_omex_EffectiveDateOfOperatingLeaseAgreeement" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Effective Date Of Operating Lease Agreeement</label>
    <label xlink:label="lab_omex_EffectiveDateOfOperatingLeaseAgreeement" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Effective Date Of Operating Lease Agreement</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_EffectiveDateOfOperatingLeaseAgreeement" xlink:to="lab_omex_EffectiveDateOfOperatingLeaseAgreeement" xlink:type="arc"/>
    <label xlink:label="lab_omex_EffectiveDateOfOperatingLeaseAgreeement" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Date Of Inception Of Operating Lease Agreement</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OperatingLeaseRightOfUseAsset" xlink:label="loc_us-gaap_OperatingLeaseRightOfUseAsset" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_OperatingLeaseRightOfUseAsset" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Lease, Right-of-Use Asset</label>
    <label xlink:label="lab_us-gaap_OperatingLeaseRightOfUseAsset" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Right Of Use Asset</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeaseRightOfUseAsset" xlink:to="lab_us-gaap_OperatingLeaseRightOfUseAsset" xlink:type="arc"/>
    <loc xlink:href="omex-20210331.xsd#omex_MaximumAmountOfFinancingAvailableFromFutureIssuanceOfConvertiblePreferredStock" xlink:label="loc_omex_MaximumAmountOfFinancingAvailableFromFutureIssuanceOfConvertiblePreferredStock" xlink:type="locator"/>
    <label xlink:label="lab_omex_MaximumAmountOfFinancingAvailableFromFutureIssuanceOfConvertiblePreferredStock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Maximum Amount Of Financing Available From Future Issuance Of Convertible Preferred Stock</label>
    <label xlink:label="lab_omex_MaximumAmountOfFinancingAvailableFromFutureIssuanceOfConvertiblePreferredStock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Investment in convertible preferred stock</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_MaximumAmountOfFinancingAvailableFromFutureIssuanceOfConvertiblePreferredStock" xlink:to="lab_omex_MaximumAmountOfFinancingAvailableFromFutureIssuanceOfConvertiblePreferredStock" xlink:type="arc"/>
    <label xlink:label="lab_omex_MaximumAmountOfFinancingAvailableFromFutureIssuanceOfConvertiblePreferredStock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Maximum Amount Of Financing Available From Future Issuance Of Convertible Preferred Stock</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Line of Credit Facility, Maximum Borrowing Capacity</label>
    <label xlink:label="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amount of debt financed</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:to="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:type="arc"/>
    <loc xlink:href="omex-20210331.xsd#omex_WorkingCapitalDeficit" xlink:label="loc_omex_WorkingCapitalDeficit" xlink:type="locator"/>
    <label xlink:label="lab_omex_WorkingCapitalDeficit" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Working Capital Deficit</label>
    <label xlink:label="lab_omex_WorkingCapitalDeficit" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Working capital deficit</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_WorkingCapitalDeficit" xlink:to="lab_omex_WorkingCapitalDeficit" xlink:type="arc"/>
    <label xlink:label="lab_omex_WorkingCapitalDeficit" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Working capital deficit.</label>
    <loc xlink:href="omex-20210331.xsd#omex_PercentageOfAnnualRentAccretionInOperatingLease" xlink:label="loc_omex_PercentageOfAnnualRentAccretionInOperatingLease" xlink:type="locator"/>
    <label xlink:label="lab_omex_PercentageOfAnnualRentAccretionInOperatingLease" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percentage Of Annual Rent Accretion In Operating Lease</label>
    <label xlink:label="lab_omex_PercentageOfAnnualRentAccretionInOperatingLease" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Annual increases of base rent</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_PercentageOfAnnualRentAccretionInOperatingLease" xlink:to="lab_omex_PercentageOfAnnualRentAccretionInOperatingLease" xlink:type="arc"/>
    <label xlink:label="lab_omex_PercentageOfAnnualRentAccretionInOperatingLease" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Percentage Of Annual Rent Accretion In Operating Lease.</label>
    <loc xlink:href="omex-20210331.xsd#omex_InvestmentAgreementPeriod" xlink:label="loc_omex_InvestmentAgreementPeriod" xlink:type="locator"/>
    <label xlink:label="lab_omex_InvestmentAgreementPeriod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Investment Agreement Period</label>
    <label xlink:label="lab_omex_InvestmentAgreementPeriod" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Investment agreement period</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_InvestmentAgreementPeriod" xlink:to="lab_omex_InvestmentAgreementPeriod" xlink:type="arc"/>
    <label xlink:label="lab_omex_InvestmentAgreementPeriod" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Investment Agreement Period</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LeaseAndRentalExpense" xlink:label="loc_us-gaap_LeaseAndRentalExpense" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_LeaseAndRentalExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Leases, Rent Expense</label>
    <label xlink:label="lab_us-gaap_LeaseAndRentalExpense" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Lease rent expense</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LeaseAndRentalExpense" xlink:to="lab_us-gaap_LeaseAndRentalExpense" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights" xlink:label="loc_us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Class of Warrant or Right, Number of Securities Called by Warrants or Rights</label>
    <label xlink:label="lab_us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights" xlink:role="http://www.xbrl.org/2003/role/positiveTerseLabel" xlink:type="resource" xml:lang="en-US">Class of warrant or right, Number of securities called by warrants or rights</label>
    <label xlink:label="lab_us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Common stock purchase warrant</label>
    <label xlink:label="lab_us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights" xlink:role="http://www.xbrl.org/2003/role/positiveVerboseLabel" xlink:type="resource" xml:lang="en-US">Class of Warrant or Right, Number of Securities Called by Warrants or Rights</label>
    <label xlink:label="lab_us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights" xlink:role="http://www.xbrl.org/2003/role/definitionGuidance" xlink:type="resource" xml:lang="en-US">Class of Warrant or Right, Number of Securities Called by Warrants or Rights</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights" xlink:to="lab_us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PaymentsOfStockIssuanceCosts" xlink:label="loc_us-gaap_PaymentsOfStockIssuanceCosts" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_PaymentsOfStockIssuanceCosts" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments of Stock Issuance Costs</label>
    <label xlink:label="lab_us-gaap_PaymentsOfStockIssuanceCosts" xlink:role="http://www.xbrl.org/2003/role/positiveTerseLabel" xlink:type="resource" xml:lang="en-US">Offering costs paid on sale of common stock</label>
    <label xlink:label="lab_us-gaap_PaymentsOfStockIssuanceCosts" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Offering costs paid on sale of common stock</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsOfStockIssuanceCosts" xlink:to="lab_us-gaap_PaymentsOfStockIssuanceCosts" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from Issuance of Common Stock</label>
    <label xlink:label="lab_us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:role="http://www.xbrl.org/2003/role/positiveTerseLabel" xlink:type="resource" xml:lang="en-US">Net proceeds received from sale of stock</label>
    <label xlink:label="lab_us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net proceeds received from sale of stock</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:to="lab_us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction" xlink:label="loc_us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Sale of Stock, Number of Shares Issued in Transaction</label>
    <label xlink:label="lab_us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Sale of stock, Number of shares issued in transaction</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction" xlink:to="lab_us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-Lived Tangible Asset [Axis]</label>
    <label xlink:label="lab_us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:role="http://www.xbrl.org/2003/role/definitionGuidance" xlink:type="resource" xml:lang="en-US">Property, Plant and Equipment, Type [Axis]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-Lived Tangible Asset [Domain]</label>
    <label xlink:label="lab_us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Property, Plant and Equipment, Type [Domain]</label>
    <label xlink:label="lab_us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Property, Plant and Equipment, Type [Domain]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_BuildingMember" xlink:label="loc_us-gaap_BuildingMember" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_BuildingMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Building [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BuildingMember" xlink:to="lab_us-gaap_BuildingMember" xlink:type="arc"/>
    <loc xlink:href="omex-20210331.xsd#omex_CorporateOfficeSpaceMember" xlink:label="loc_omex_CorporateOfficeSpaceMember" xlink:type="locator"/>
    <label xlink:label="lab_omex_CorporateOfficeSpaceMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Corporate Office Space [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_CorporateOfficeSpaceMember" xlink:to="lab_omex_CorporateOfficeSpaceMember" xlink:type="arc"/>
    <label xlink:label="lab_omex_CorporateOfficeSpaceMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Corporate Office Space.</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SubsequentEventTypeAxis" xlink:label="loc_us-gaap_SubsequentEventTypeAxis" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_SubsequentEventTypeAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Subsequent Event Type [Axis]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SubsequentEventTypeAxis" xlink:to="lab_us-gaap_SubsequentEventTypeAxis" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SubsequentEventTypeDomain" xlink:label="loc_us-gaap_SubsequentEventTypeDomain" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_SubsequentEventTypeDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Subsequent Event Type [Domain]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SubsequentEventTypeDomain" xlink:to="lab_us-gaap_SubsequentEventTypeDomain" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EquityInterestIssuedOrIssuableByTypeAxis" xlink:label="loc_us-gaap_EquityInterestIssuedOrIssuableByTypeAxis" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_EquityInterestIssuedOrIssuableByTypeAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity Interest Type [Axis]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EquityInterestIssuedOrIssuableByTypeAxis" xlink:to="lab_us-gaap_EquityInterestIssuedOrIssuableByTypeAxis" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EquityInterestIssuedOrIssuableTypeDomain" xlink:label="loc_us-gaap_EquityInterestIssuedOrIssuableTypeDomain" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_EquityInterestIssuedOrIssuableTypeDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity Interest Issued or Issuable, Type [Domain]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EquityInterestIssuedOrIssuableTypeDomain" xlink:to="lab_us-gaap_EquityInterestIssuedOrIssuableTypeDomain" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_LitigationCaseAxis" xlink:label="loc_srt_LitigationCaseAxis" xlink:type="locator"/>
    <label xlink:label="lab_srt_LitigationCaseAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Litigation Case [Axis]</label>
    <label xlink:label="lab_srt_LitigationCaseAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Litigation Case [Axis]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_LitigationCaseAxis" xlink:to="lab_srt_LitigationCaseAxis" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_LitigationCaseTypeDomain" xlink:label="loc_srt_LitigationCaseTypeDomain" xlink:type="locator"/>
    <label xlink:label="lab_srt_LitigationCaseTypeDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Litigation Case [Domain]</label>
    <label xlink:label="lab_srt_LitigationCaseTypeDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Litigation Case [Domain]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_LitigationCaseTypeDomain" xlink:to="lab_srt_LitigationCaseTypeDomain" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_TitleOfIndividualAxis" xlink:label="loc_srt_TitleOfIndividualAxis" xlink:type="locator"/>
    <label xlink:label="lab_srt_TitleOfIndividualAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Title of Individual [Axis]</label>
    <label xlink:label="lab_srt_TitleOfIndividualAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Title of Individual [Axis]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_TitleOfIndividualAxis" xlink:to="lab_srt_TitleOfIndividualAxis" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_TitleOfIndividualWithRelationshipToEntityDomain" xlink:label="loc_srt_TitleOfIndividualWithRelationshipToEntityDomain" xlink:type="locator"/>
    <label xlink:label="lab_srt_TitleOfIndividualWithRelationshipToEntityDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Title of Individual [Domain]</label>
    <label xlink:label="lab_srt_TitleOfIndividualWithRelationshipToEntityDomain" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Title of Individual [Domain]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_TitleOfIndividualWithRelationshipToEntityDomain" xlink:to="lab_srt_TitleOfIndividualWithRelationshipToEntityDomain" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtDisclosureAbstract" xlink:label="loc_us-gaap_DebtDisclosureAbstract" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_DebtDisclosureAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Disclosure [Abstract]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtDisclosureAbstract" xlink:to="lab_us-gaap_DebtDisclosureAbstract" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:label="loc_us-gaap_DebtInstrumentTable" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_DebtInstrumentTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Long-term Debt Instruments [Table]</label>
    <label xlink:label="lab_us-gaap_DebtInstrumentTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Long-term Debt Instruments [Table]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentTable" xlink:to="lab_us-gaap_DebtInstrumentTable" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LoansPayableMember" xlink:label="loc_us-gaap_LoansPayableMember" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_LoansPayableMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loans Payable [Member]</label>
    <label xlink:label="lab_us-gaap_LoansPayableMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loans Payable [Member]</label>
    <label xlink:label="lab_us-gaap_LoansPayableMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Loans Payable [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LoansPayableMember" xlink:to="lab_us-gaap_LoansPayableMember" xlink:type="arc"/>
    <loc xlink:href="omex-20210331.xsd#omex_NoteFourEpsilonMember" xlink:label="loc_omex_NoteFourEpsilonMember" xlink:type="locator"/>
    <label xlink:label="lab_omex_NoteFourEpsilonMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Note Four Epsilon [Member]</label>
    <label xlink:label="lab_omex_NoteFourEpsilonMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Note 4 - Epsilon [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_NoteFourEpsilonMember" xlink:to="lab_omex_NoteFourEpsilonMember" xlink:type="arc"/>
    <label xlink:label="lab_omex_NoteFourEpsilonMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Note four Epsilon.</label>
    <loc xlink:href="omex-20210331.xsd#omex_NoteOneMonacoTwoThousandFourteenMember" xlink:label="loc_omex_NoteOneMonacoTwoThousandFourteenMember" xlink:type="locator"/>
    <label xlink:label="lab_omex_NoteOneMonacoTwoThousandFourteenMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Note One Monaco Two Thousand Fourteen [Member]</label>
    <label xlink:label="lab_omex_NoteOneMonacoTwoThousandFourteenMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Note 1- Monaco 2014 [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_NoteOneMonacoTwoThousandFourteenMember" xlink:to="lab_omex_NoteOneMonacoTwoThousandFourteenMember" xlink:type="arc"/>
    <label xlink:label="lab_omex_NoteOneMonacoTwoThousandFourteenMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Note1- Monaco 2014.</label>
    <loc xlink:href="omex-20210331.xsd#omex_Note9LitigationFinancingMember" xlink:label="loc_omex_Note9LitigationFinancingMember" xlink:type="locator"/>
    <label xlink:label="lab_omex_Note9LitigationFinancingMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Note 9 Litigation financing [Member]</label>
    <label xlink:label="lab_omex_Note9LitigationFinancingMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Note 9 &#x2013; Litigation financing</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_Note9LitigationFinancingMember" xlink:to="lab_omex_Note9LitigationFinancingMember" xlink:type="arc"/>
    <loc xlink:href="omex-20210331.xsd#omex_NoteTenPayrollProtectionProgramMember" xlink:label="loc_omex_NoteTenPayrollProtectionProgramMember" xlink:type="locator"/>
    <label xlink:label="lab_omex_NoteTenPayrollProtectionProgramMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Note Ten Payroll Protection Program [Member]</label>
    <label xlink:label="lab_omex_NoteTenPayrollProtectionProgramMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Note 10 &#x2013; Payroll Protection Program</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_NoteTenPayrollProtectionProgramMember" xlink:to="lab_omex_NoteTenPayrollProtectionProgramMember" xlink:type="arc"/>
    <label xlink:label="lab_omex_NoteTenPayrollProtectionProgramMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Payroll protection program.</label>
    <loc xlink:href="omex-20210331.xsd#omex_NoteElevenEmergencyInjuryDisasterLoanMember" xlink:label="loc_omex_NoteElevenEmergencyInjuryDisasterLoanMember" xlink:type="locator"/>
    <label xlink:label="lab_omex_NoteElevenEmergencyInjuryDisasterLoanMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Note Eleven Emergency Injury Disaster Loan [Member]</label>
    <label xlink:label="lab_omex_NoteElevenEmergencyInjuryDisasterLoanMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Note 11 &#x2013; Emergency Injury Disaster Loan</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_NoteElevenEmergencyInjuryDisasterLoanMember" xlink:to="lab_omex_NoteElevenEmergencyInjuryDisasterLoanMember" xlink:type="arc"/>
    <label xlink:label="lab_omex_NoteElevenEmergencyInjuryDisasterLoanMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Emergency injury disaster loan.</label>
    <loc xlink:href="omex-20210331.xsd#omex_NoteEightPromissoryNoteMember" xlink:label="loc_omex_NoteEightPromissoryNoteMember" xlink:type="locator"/>
    <label xlink:label="lab_omex_NoteEightPromissoryNoteMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Note Eight Promissory Note [Member]</label>
    <label xlink:label="lab_omex_NoteEightPromissoryNoteMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Note 8 - Promissory note [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_NoteEightPromissoryNoteMember" xlink:to="lab_omex_NoteEightPromissoryNoteMember" xlink:type="arc"/>
    <label xlink:label="lab_omex_NoteEightPromissoryNoteMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Note 8 - Promissory note.</label>
    <loc xlink:href="omex-20210331.xsd#omex_NoteFiveSmomMember" xlink:label="loc_omex_NoteFiveSmomMember" xlink:type="locator"/>
    <label xlink:label="lab_omex_NoteFiveSmomMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Note Five SMOM [Member]</label>
    <label xlink:label="lab_omex_NoteFiveSmomMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Note 5 - SMOM [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_NoteFiveSmomMember" xlink:to="lab_omex_NoteFiveSmomMember" xlink:type="arc"/>
    <label xlink:label="lab_omex_NoteFiveSmomMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Note five SMOM.</label>
    <loc xlink:href="omex-20210331.xsd#omex_NoteTwoMonacoTwoThousandSixteenMember" xlink:label="loc_omex_NoteTwoMonacoTwoThousandSixteenMember" xlink:type="locator"/>
    <label xlink:label="lab_omex_NoteTwoMonacoTwoThousandSixteenMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Note Two Monaco Two Thousand Sixteen [Member]</label>
    <label xlink:label="lab_omex_NoteTwoMonacoTwoThousandSixteenMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Note 2 - Monaco 2016 [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_NoteTwoMonacoTwoThousandSixteenMember" xlink:to="lab_omex_NoteTwoMonacoTwoThousandSixteenMember" xlink:type="arc"/>
    <label xlink:label="lab_omex_NoteTwoMonacoTwoThousandSixteenMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Note two Monaco 2016.</label>
    <loc xlink:href="omex-20210331.xsd#omex_NoteSeveMinosaTwoThousandEighteenMember" xlink:label="loc_omex_NoteSeveMinosaTwoThousandEighteenMember" xlink:type="locator"/>
    <label xlink:label="lab_omex_NoteSeveMinosaTwoThousandEighteenMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Note seve minosa two thousand eighteen [Member]</label>
    <label xlink:label="lab_omex_NoteSeveMinosaTwoThousandEighteenMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Note 7 - Monaco 2018 [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_NoteSeveMinosaTwoThousandEighteenMember" xlink:to="lab_omex_NoteSeveMinosaTwoThousandEighteenMember" xlink:type="arc"/>
    <label xlink:label="lab_omex_NoteSeveMinosaTwoThousandEighteenMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Note 7 - Monaco 2018.</label>
    <loc xlink:href="omex-20210331.xsd#omex_NoteSixMinosaTwoMember" xlink:label="loc_omex_NoteSixMinosaTwoMember" xlink:type="locator"/>
    <label xlink:label="lab_omex_NoteSixMinosaTwoMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Note Six MINOSA Two [Member]</label>
    <label xlink:label="lab_omex_NoteSixMinosaTwoMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Note 6 - MINOSA 2 [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_NoteSixMinosaTwoMember" xlink:to="lab_omex_NoteSixMinosaTwoMember" xlink:type="arc"/>
    <label xlink:label="lab_omex_NoteSixMinosaTwoMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Note 6 MINOSA 2.</label>
    <loc xlink:href="omex-20210331.xsd#omex_NoteThreeMinosaOneMember" xlink:label="loc_omex_NoteThreeMinosaOneMember" xlink:type="locator"/>
    <label xlink:label="lab_omex_NoteThreeMinosaOneMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Note Three MINOSA One [Member]</label>
    <label xlink:label="lab_omex_NoteThreeMinosaOneMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Note 3 - MINOSA 1 [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_NoteThreeMinosaOneMember" xlink:to="lab_omex_NoteThreeMinosaOneMember" xlink:type="arc"/>
    <label xlink:label="lab_omex_NoteThreeMinosaOneMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Note three MINOSA 1.</label>
    <loc xlink:href="omex-20210331.xsd#omex_NoteTwelveVendorNotePayableMember" xlink:label="loc_omex_NoteTwelveVendorNotePayableMember" xlink:type="locator"/>
    <label xlink:label="lab_omex_NoteTwelveVendorNotePayableMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Note Twelve Vendor Note Payable [Member]</label>
    <label xlink:label="lab_omex_NoteTwelveVendorNotePayableMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Note 12 &#x2013; Vendor note payable</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_NoteTwelveVendorNotePayableMember" xlink:to="lab_omex_NoteTwelveVendorNotePayableMember" xlink:type="arc"/>
    <label xlink:label="lab_omex_NoteTwelveVendorNotePayableMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Vendor note payable.</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="loc_us-gaap_DebtInstrumentLineItems" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_DebtInstrumentLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument [Line Items]</label>
    <label xlink:label="lab_us-gaap_DebtInstrumentLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt Instrument [Line Items]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentLineItems" xlink:to="lab_us-gaap_DebtInstrumentLineItems" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LoansPayable" xlink:label="loc_us-gaap_LoansPayable" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_LoansPayable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loans Payable</label>
    <label xlink:label="lab_us-gaap_LoansPayable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loans payable</label>
    <label xlink:label="lab_us-gaap_LoansPayable" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Loans payable</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LoansPayable" xlink:to="lab_us-gaap_LoansPayable" xlink:type="arc"/>
    <loc xlink:href="omex-20210331.xsd#omex_TrancheOneMember" xlink:label="loc_omex_TrancheOneMember" xlink:type="locator"/>
    <label xlink:label="lab_omex_TrancheOneMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tranche One [Member]</label>
    <label xlink:label="lab_omex_TrancheOneMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">First Tranche [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_TrancheOneMember" xlink:to="lab_omex_TrancheOneMember" xlink:type="arc"/>
    <label xlink:label="lab_omex_TrancheOneMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Tranche one.</label>
    <loc xlink:href="omex-20210331.xsd#omex_TrancheThreeMember" xlink:label="loc_omex_TrancheThreeMember" xlink:type="locator"/>
    <label xlink:label="lab_omex_TrancheThreeMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tranche Three [Member]</label>
    <label xlink:label="lab_omex_TrancheThreeMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Third Tranche [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_TrancheThreeMember" xlink:to="lab_omex_TrancheThreeMember" xlink:type="arc"/>
    <label xlink:label="lab_omex_TrancheThreeMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Tranche three.</label>
    <loc xlink:href="omex-20210331.xsd#omex_TrancheTwoMember" xlink:label="loc_omex_TrancheTwoMember" xlink:type="locator"/>
    <label xlink:label="lab_omex_TrancheTwoMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tranche Two [Member]</label>
    <label xlink:label="lab_omex_TrancheTwoMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Second Tranche [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_TrancheTwoMember" xlink:to="lab_omex_TrancheTwoMember" xlink:type="arc"/>
    <label xlink:label="lab_omex_TrancheTwoMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Tranche two.</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LoanRestructuringModificationNameAxis" xlink:label="loc_us-gaap_LoanRestructuringModificationNameAxis" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_LoanRestructuringModificationNameAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loan Restructuring Modification Name [Axis]</label>
    <label xlink:label="lab_us-gaap_LoanRestructuringModificationNameAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loan Restructuring Modification Name [Axis]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LoanRestructuringModificationNameAxis" xlink:to="lab_us-gaap_LoanRestructuringModificationNameAxis" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LoanRestructuringModificationNameDomain" xlink:label="loc_us-gaap_LoanRestructuringModificationNameDomain" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_LoanRestructuringModificationNameDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loan Restructuring Modification Name [Domain]</label>
    <label xlink:label="lab_us-gaap_LoanRestructuringModificationNameDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loan Restructuring Modification Name [Domain]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LoanRestructuringModificationNameDomain" xlink:to="lab_us-gaap_LoanRestructuringModificationNameDomain" xlink:type="arc"/>
    <loc xlink:href="omex-20210331.xsd#omex_LoanModificationMarchTwoThousandSixteenMember" xlink:label="loc_omex_LoanModificationMarchTwoThousandSixteenMember" xlink:type="locator"/>
    <label xlink:label="lab_omex_LoanModificationMarchTwoThousandSixteenMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loan Modification March Two Thousand Sixteen [Member]</label>
    <label xlink:label="lab_omex_LoanModificationMarchTwoThousandSixteenMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loan Modification March Two Thousand Sixteen [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_LoanModificationMarchTwoThousandSixteenMember" xlink:to="lab_omex_LoanModificationMarchTwoThousandSixteenMember" xlink:type="arc"/>
    <label xlink:label="lab_omex_LoanModificationMarchTwoThousandSixteenMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Loan Modification March Two Thousand Sixteen [Member]</label>
    <loc xlink:href="omex-20210331.xsd#omex_NoteTwoMember" xlink:label="loc_omex_NoteTwoMember" xlink:type="locator"/>
    <label xlink:label="lab_omex_NoteTwoMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Note Two [Member]</label>
    <label xlink:label="lab_omex_NoteTwoMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Note 2 [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_NoteTwoMember" xlink:to="lab_omex_NoteTwoMember" xlink:type="arc"/>
    <label xlink:label="lab_omex_NoteTwoMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Note Two [Member]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentIncreaseAccruedInterest" xlink:label="loc_us-gaap_DebtInstrumentIncreaseAccruedInterest" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_DebtInstrumentIncreaseAccruedInterest" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Increase, Accrued Interest</label>
    <label xlink:label="lab_us-gaap_DebtInstrumentIncreaseAccruedInterest" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accrued interest</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentIncreaseAccruedInterest" xlink:to="lab_us-gaap_DebtInstrumentIncreaseAccruedInterest" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Interest Rate, Stated Percentage</label>
    <label xlink:label="lab_us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Interest rate, stated percentage</label>
    <label xlink:label="lab_us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt instrument interest rate</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:to="lab_us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:type="arc"/>
    <loc xlink:href="omex-20210331.xsd#omex_DebtInstrumentDebtDefaultInterestRate" xlink:label="loc_omex_DebtInstrumentDebtDefaultInterestRate" xlink:type="locator"/>
    <label xlink:label="lab_omex_DebtInstrumentDebtDefaultInterestRate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument Debt Default Interest Rate</label>
    <label xlink:label="lab_omex_DebtInstrumentDebtDefaultInterestRate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt default interest rate</label>
    <label xlink:label="lab_omex_DebtInstrumentDebtDefaultInterestRate" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Debt default interest rate</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_DebtInstrumentDebtDefaultInterestRate" xlink:to="lab_omex_DebtInstrumentDebtDefaultInterestRate" xlink:type="arc"/>
    <label xlink:label="lab_omex_DebtInstrumentDebtDefaultInterestRate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Debt instrument debt default interest rate.</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentCarryingAmount" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_DebtInstrumentCarryingAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Debt, Gross</label>
    <label xlink:label="lab_us-gaap_DebtInstrumentCarryingAmount" xlink:role="http://www.xbrl.org/2003/role/positiveTerseLabel" xlink:type="resource" xml:lang="en-US">Loan amount borrowed</label>
    <label xlink:label="lab_us-gaap_DebtInstrumentCarryingAmount" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Amount of loan outstanding</label>
    <label xlink:label="lab_us-gaap_DebtInstrumentCarryingAmount" xlink:role="http://www.xbrl.org/2003/role/positiveVerboseLabel" xlink:type="resource" xml:lang="en-US">Loan balance</label>
    <label xlink:label="lab_us-gaap_DebtInstrumentCarryingAmount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amount of loan outstanding</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentCarryingAmount" xlink:to="lab_us-gaap_DebtInstrumentCarryingAmount" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentFaceAmount" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_DebtInstrumentFaceAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Face Amount</label>
    <label xlink:label="lab_us-gaap_DebtInstrumentFaceAmount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Aggregate amount issuable</label>
    <label xlink:label="lab_us-gaap_DebtInstrumentFaceAmount" xlink:role="http://www.xbrl.org/2003/role/positiveVerboseLabel" xlink:type="resource" xml:lang="en-US">Promissory note face amount</label>
    <label xlink:label="lab_us-gaap_DebtInstrumentFaceAmount" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Debt instrument face amount</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentFaceAmount" xlink:to="lab_us-gaap_DebtInstrumentFaceAmount" xlink:type="arc"/>
    <loc xlink:href="omex-20210331.xsd#omex_NotesCeasedToBearInterestAmount" xlink:label="loc_omex_NotesCeasedToBearInterestAmount" xlink:type="locator"/>
    <label xlink:label="lab_omex_NotesCeasedToBearInterestAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Notes Ceased To Bear Interest Amount</label>
    <label xlink:label="lab_omex_NotesCeasedToBearInterestAmount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Notes ceased to bear interest, amount</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_NotesCeasedToBearInterestAmount" xlink:to="lab_omex_NotesCeasedToBearInterestAmount" xlink:type="arc"/>
    <label xlink:label="lab_omex_NotesCeasedToBearInterestAmount" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Notes ceased to bear interest amount.</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentMaturityDate" xlink:label="loc_us-gaap_DebtInstrumentMaturityDate" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_DebtInstrumentMaturityDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Maturity Date</label>
    <label xlink:label="lab_us-gaap_DebtInstrumentMaturityDate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt instrument maturity date</label>
    <label xlink:label="lab_us-gaap_DebtInstrumentMaturityDate" xlink:role="http://www.xbrl.org/2003/role/definitionGuidance" xlink:type="resource" xml:lang="en-US">Debt Instrument, Maturity Date</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentMaturityDate" xlink:to="lab_us-gaap_DebtInstrumentMaturityDate" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ExtinguishmentOfDebtAmount" xlink:label="loc_us-gaap_ExtinguishmentOfDebtAmount" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_ExtinguishmentOfDebtAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Extinguishment of Debt, Amount</label>
    <label xlink:label="lab_us-gaap_ExtinguishmentOfDebtAmount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Litigation Settlement Loans Payable</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ExtinguishmentOfDebtAmount" xlink:to="lab_us-gaap_ExtinguishmentOfDebtAmount" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LettersOfCreditOutstandingAmount" xlink:label="loc_us-gaap_LettersOfCreditOutstandingAmount" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_LettersOfCreditOutstandingAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Letters of Credit Outstanding, Amount</label>
    <label xlink:label="lab_us-gaap_LettersOfCreditOutstandingAmount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Outstanding notes balance</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LettersOfCreditOutstandingAmount" xlink:to="lab_us-gaap_LettersOfCreditOutstandingAmount" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SaleOfStockPricePerShare" xlink:label="loc_us-gaap_SaleOfStockPricePerShare" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_SaleOfStockPricePerShare" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Sale of Stock, Price Per Share</label>
    <label xlink:label="lab_us-gaap_SaleOfStockPricePerShare" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Per share value of shares exercised by private investor</label>
    <label xlink:label="lab_us-gaap_SaleOfStockPricePerShare" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Per share value of shares purchased by private investor</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SaleOfStockPricePerShare" xlink:to="lab_us-gaap_SaleOfStockPricePerShare" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtConversionConvertedInstrumentSharesIssued1" xlink:label="loc_us-gaap_DebtConversionConvertedInstrumentSharesIssued1" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_DebtConversionConvertedInstrumentSharesIssued1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Conversion, Converted Instrument, Shares Issued</label>
    <label xlink:label="lab_us-gaap_DebtConversionConvertedInstrumentSharesIssued1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt instrument, number of shares</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtConversionConvertedInstrumentSharesIssued1" xlink:to="lab_us-gaap_DebtConversionConvertedInstrumentSharesIssued1" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentConvertibleBeneficialConversionFeature" xlink:label="loc_us-gaap_DebtInstrumentConvertibleBeneficialConversionFeature" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_DebtInstrumentConvertibleBeneficialConversionFeature" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Convertible, Beneficial Conversion Feature</label>
    <label xlink:label="lab_us-gaap_DebtInstrumentConvertibleBeneficialConversionFeature" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">BCF amount recorded</label>
    <label xlink:label="lab_us-gaap_DebtInstrumentConvertibleBeneficialConversionFeature" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Beneficial conversion feature recorded</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentConvertibleBeneficialConversionFeature" xlink:to="lab_us-gaap_DebtInstrumentConvertibleBeneficialConversionFeature" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FixturesAndEquipmentGross" xlink:label="loc_us-gaap_FixturesAndEquipmentGross" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_FixturesAndEquipmentGross" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fixtures and Equipment, Gross</label>
    <label xlink:label="lab_us-gaap_FixturesAndEquipmentGross" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Equipment carrying value</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FixturesAndEquipmentGross" xlink:to="lab_us-gaap_FixturesAndEquipmentGross" xlink:type="arc"/>
    <loc xlink:href="omex-20210331.xsd#omex_DebtInstrumentConsiderationPayableOnExpiration" xlink:label="loc_omex_DebtInstrumentConsiderationPayableOnExpiration" xlink:type="locator"/>
    <label xlink:label="lab_omex_DebtInstrumentConsiderationPayableOnExpiration" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument Consideration Payable On Expiration</label>
    <label xlink:label="lab_omex_DebtInstrumentConsiderationPayableOnExpiration" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Aggregate consideration payable</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_DebtInstrumentConsiderationPayableOnExpiration" xlink:to="lab_omex_DebtInstrumentConsiderationPayableOnExpiration" xlink:type="arc"/>
    <label xlink:label="lab_omex_DebtInstrumentConsiderationPayableOnExpiration" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Debt instrument consideration payable on expiration.</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtConversionConvertedInstrumentAmount1" xlink:label="loc_us-gaap_DebtConversionConvertedInstrumentAmount1" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_DebtConversionConvertedInstrumentAmount1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Conversion, Converted Instrument, Amount</label>
    <label xlink:label="lab_us-gaap_DebtConversionConvertedInstrumentAmount1" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Debt instrument, value of shares</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtConversionConvertedInstrumentAmount1" xlink:to="lab_us-gaap_DebtConversionConvertedInstrumentAmount1" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ConvertibleNotesPayable" xlink:label="loc_us-gaap_ConvertibleNotesPayable" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_ConvertibleNotesPayable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Convertible Notes Payable</label>
    <label xlink:label="lab_us-gaap_ConvertibleNotesPayable" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Convertible notes payable</label>
    <label xlink:label="lab_us-gaap_ConvertibleNotesPayable" xlink:role="http://www.xbrl.org/2003/role/positiveLabel" xlink:type="resource" xml:lang="en-US">Promissory note outstanding amount</label>
    <label xlink:label="lab_us-gaap_ConvertibleNotesPayable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash proceeds</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ConvertibleNotesPayable" xlink:to="lab_us-gaap_ConvertibleNotesPayable" xlink:type="arc"/>
    <loc xlink:href="omex-20210331.xsd#omex_AdditionalConsiderationPercentage" xlink:label="loc_omex_AdditionalConsiderationPercentage" xlink:type="locator"/>
    <label xlink:label="lab_omex_AdditionalConsiderationPercentage" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Additional Consideration Percentage</label>
    <label xlink:label="lab_omex_AdditionalConsiderationPercentage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Additional consideration percentage</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_AdditionalConsiderationPercentage" xlink:to="lab_omex_AdditionalConsiderationPercentage" xlink:type="arc"/>
    <label xlink:label="lab_omex_AdditionalConsiderationPercentage" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Additional consideration percentage.</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent" xlink:label="loc_us-gaap_DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Convertible, Carrying Amount of Equity Component</label>
    <label xlink:label="lab_us-gaap_DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Equity component in loans payable</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent" xlink:to="lab_us-gaap_DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent" xlink:type="arc"/>
    <loc xlink:href="omex-20210331.xsd#omex_DebtInstrumentConvertibleNumberOfOptionsEliminatedUnderSharePurchaseOption" xlink:label="loc_omex_DebtInstrumentConvertibleNumberOfOptionsEliminatedUnderSharePurchaseOption" xlink:type="locator"/>
    <label xlink:label="lab_omex_DebtInstrumentConvertibleNumberOfOptionsEliminatedUnderSharePurchaseOption" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument Convertible Number Of Options Eliminated Under Share Purchase Option</label>
    <label xlink:label="lab_omex_DebtInstrumentConvertibleNumberOfOptionsEliminatedUnderSharePurchaseOption" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of options eliminated under share purchase option</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_DebtInstrumentConvertibleNumberOfOptionsEliminatedUnderSharePurchaseOption" xlink:to="lab_omex_DebtInstrumentConvertibleNumberOfOptionsEliminatedUnderSharePurchaseOption" xlink:type="arc"/>
    <label xlink:label="lab_omex_DebtInstrumentConvertibleNumberOfOptionsEliminatedUnderSharePurchaseOption" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Debt instrument convertible number of options eliminated under share purchase option.</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentTerm" xlink:label="loc_us-gaap_DebtInstrumentTerm" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_DebtInstrumentTerm" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Term</label>
    <label xlink:label="lab_us-gaap_DebtInstrumentTerm" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt instrument term</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentTerm" xlink:to="lab_us-gaap_DebtInstrumentTerm" xlink:type="arc"/>
    <loc xlink:href="omex-20210331.xsd#omex_DebtInstrumentDecreaseInFaceAmount" xlink:label="loc_omex_DebtInstrumentDecreaseInFaceAmount" xlink:type="locator"/>
    <label xlink:label="lab_omex_DebtInstrumentDecreaseInFaceAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument Decrease In Face Amount</label>
    <label xlink:label="lab_omex_DebtInstrumentDecreaseInFaceAmount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Reduced principal amount</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_DebtInstrumentDecreaseInFaceAmount" xlink:to="lab_omex_DebtInstrumentDecreaseInFaceAmount" xlink:type="arc"/>
    <label xlink:label="lab_omex_DebtInstrumentDecreaseInFaceAmount" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Debt instrument decrease in face amount.</label>
    <loc xlink:href="omex-20210331.xsd#omex_DebtInstrumentInstallmentAmount" xlink:label="loc_omex_DebtInstrumentInstallmentAmount" xlink:type="locator"/>
    <label xlink:label="lab_omex_DebtInstrumentInstallmentAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Installment Amount</label>
    <label xlink:label="lab_omex_DebtInstrumentInstallmentAmount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Installment amount of Notes</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_DebtInstrumentInstallmentAmount" xlink:to="lab_omex_DebtInstrumentInstallmentAmount" xlink:type="arc"/>
    <label xlink:label="lab_omex_DebtInstrumentInstallmentAmount" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Debt instrument, installment amount.</label>
    <loc xlink:href="omex-20210331.xsd#omex_DebtInstrumentNumberOfInstallments" xlink:label="loc_omex_DebtInstrumentNumberOfInstallments" xlink:type="locator"/>
    <label xlink:label="lab_omex_DebtInstrumentNumberOfInstallments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument Number Of Installments</label>
    <label xlink:label="lab_omex_DebtInstrumentNumberOfInstallments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt instrument number of installments</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_DebtInstrumentNumberOfInstallments" xlink:to="lab_omex_DebtInstrumentNumberOfInstallments" xlink:type="arc"/>
    <label xlink:label="lab_omex_DebtInstrumentNumberOfInstallments" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Debt instrument number of installments.</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentDescription" xlink:label="loc_us-gaap_DebtInstrumentDescription" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_DebtInstrumentDescription" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Description</label>
    <label xlink:label="lab_us-gaap_DebtInstrumentDescription" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Agreement description</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentDescription" xlink:to="lab_us-gaap_DebtInstrumentDescription" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment" xlink:label="loc_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from Sale of Property, Plant, and Equipment</label>
    <label xlink:label="lab_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash proceeds from sale of vessel</label>
    <label xlink:label="lab_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/positiveLabel" xlink:type="resource" xml:lang="en-US">Proceeds from sale of marine equipment</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment" xlink:to="lab_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_RepaymentsOfLongTermDebt" xlink:label="loc_us-gaap_RepaymentsOfLongTermDebt" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_RepaymentsOfLongTermDebt" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Repayments of Long-term Debt</label>
    <label xlink:label="lab_us-gaap_RepaymentsOfLongTermDebt" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loans payable, repayment</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RepaymentsOfLongTermDebt" xlink:to="lab_us-gaap_RepaymentsOfLongTermDebt" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_GainsLossesOnExtinguishmentOfDebt" xlink:label="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_GainsLossesOnExtinguishmentOfDebt" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gain (Loss) on Extinguishment of Debt</label>
    <label xlink:label="lab_us-gaap_GainsLossesOnExtinguishmentOfDebt" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Gain (loss) on debt extinguishment</label>
    <label xlink:label="lab_us-gaap_GainsLossesOnExtinguishmentOfDebt" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Gain (loss) on debt extinguishment</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt" xlink:to="lab_us-gaap_GainsLossesOnExtinguishmentOfDebt" xlink:type="arc"/>
    <loc xlink:href="omex-20210331.xsd#omex_LoanModificationMember" xlink:label="loc_omex_LoanModificationMember" xlink:type="locator"/>
    <label xlink:label="lab_omex_LoanModificationMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loan Modification [Member]</label>
    <label xlink:label="lab_omex_LoanModificationMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loan Modification [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_LoanModificationMember" xlink:to="lab_omex_LoanModificationMember" xlink:type="arc"/>
    <label xlink:label="lab_omex_LoanModificationMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Loan Modification [Member]</label>
    <loc xlink:href="omex-20210331.xsd#omex_ExploracionesOceanicasMember" xlink:label="loc_omex_ExploracionesOceanicasMember" xlink:type="locator"/>
    <label xlink:label="lab_omex_ExploracionesOceanicasMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Exploraciones Oceanicas [Member]</label>
    <label xlink:label="lab_omex_ExploracionesOceanicasMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Exploraciones Oceanicas [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_ExploracionesOceanicasMember" xlink:to="lab_omex_ExploracionesOceanicasMember" xlink:type="arc"/>
    <label xlink:label="lab_omex_ExploracionesOceanicasMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Exploraciones Oceanicas.</label>
    <loc xlink:href="omex-20210331.xsd#omex_OceanicaMarineOperationsMember" xlink:label="loc_omex_OceanicaMarineOperationsMember" xlink:type="locator"/>
    <label xlink:label="lab_omex_OceanicaMarineOperationsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Oceanica Marine Operations [Member]</label>
    <label xlink:label="lab_omex_OceanicaMarineOperationsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Oceanica Marine Operations [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_OceanicaMarineOperationsMember" xlink:to="lab_omex_OceanicaMarineOperationsMember" xlink:type="arc"/>
    <label xlink:label="lab_omex_OceanicaMarineOperationsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Oceanica marine operations.</label>
    <loc xlink:href="omex-20210331.xsd#omex_MarineVesselMember" xlink:label="loc_omex_MarineVesselMember" xlink:type="locator"/>
    <label xlink:label="lab_omex_MarineVesselMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Marine Vessel [Member]</label>
    <label xlink:label="lab_omex_MarineVesselMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Marine Vessel [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_MarineVesselMember" xlink:to="lab_omex_MarineVesselMember" xlink:type="arc"/>
    <label xlink:label="lab_omex_MarineVesselMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Marine vessel.</label>
    <loc xlink:href="omex-20210331.xsd#omex_DebtInstrumentNumberOfAdvances" xlink:label="loc_omex_DebtInstrumentNumberOfAdvances" xlink:type="locator"/>
    <label xlink:label="lab_omex_DebtInstrumentNumberOfAdvances" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument Number Of Advances</label>
    <label xlink:label="lab_omex_DebtInstrumentNumberOfAdvances" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of advances</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_DebtInstrumentNumberOfAdvances" xlink:to="lab_omex_DebtInstrumentNumberOfAdvances" xlink:type="arc"/>
    <label xlink:label="lab_omex_DebtInstrumentNumberOfAdvances" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Debt instrument number of tranches.</label>
    <loc xlink:href="omex-20210331.xsd#omex_EstimatedMarketRateLoanPercentage" xlink:label="loc_omex_EstimatedMarketRateLoanPercentage" xlink:type="locator"/>
    <label xlink:label="lab_omex_EstimatedMarketRateLoanPercentage" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Estimated Market Rate Loan Percentage</label>
    <label xlink:label="lab_omex_EstimatedMarketRateLoanPercentage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Estimated market rate loan percentage</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_EstimatedMarketRateLoanPercentage" xlink:to="lab_omex_EstimatedMarketRateLoanPercentage" xlink:type="arc"/>
    <label xlink:label="lab_omex_EstimatedMarketRateLoanPercentage" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Estimated market rate loan percentage.</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_InterestExpenseDebt" xlink:label="loc_us-gaap_InterestExpenseDebt" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_InterestExpenseDebt" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest Expense, Debt</label>
    <label xlink:label="lab_us-gaap_InterestExpenseDebt" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt, interest expense</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InterestExpenseDebt" xlink:to="lab_us-gaap_InterestExpenseDebt" xlink:type="arc"/>
    <loc xlink:href="omex-20210331.xsd#omex_InvestmentsOptionsExpirationDate" xlink:label="loc_omex_InvestmentsOptionsExpirationDate" xlink:type="locator"/>
    <label xlink:label="lab_omex_InvestmentsOptionsExpirationDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Investments Options Expiration Date</label>
    <label xlink:label="lab_omex_InvestmentsOptionsExpirationDate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Call option expiration date</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_InvestmentsOptionsExpirationDate" xlink:to="lab_omex_InvestmentsOptionsExpirationDate" xlink:type="arc"/>
    <label xlink:label="lab_omex_InvestmentsOptionsExpirationDate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Investments options expiration date.</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DerivativeFairValueOfDerivativeNet" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeNet" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_DerivativeFairValueOfDerivativeNet" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative, Fair Value, Net</label>
    <label xlink:label="lab_us-gaap_DerivativeFairValueOfDerivativeNet" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivative, fixed value</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativeFairValueOfDerivativeNet" xlink:to="lab_us-gaap_DerivativeFairValueOfDerivativeNet" xlink:type="arc"/>
    <loc xlink:href="omex-20210331.xsd#omex_SharePurchaseAgreementExpirationDate" xlink:label="loc_omex_SharePurchaseAgreementExpirationDate" xlink:type="locator"/>
    <label xlink:label="lab_omex_SharePurchaseAgreementExpirationDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share Purchase Agreement Expiration Date</label>
    <label xlink:label="lab_omex_SharePurchaseAgreementExpirationDate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share purchase agreement expiration date</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_SharePurchaseAgreementExpirationDate" xlink:to="lab_omex_SharePurchaseAgreementExpirationDate" xlink:type="arc"/>
    <label xlink:label="lab_omex_SharePurchaseAgreementExpirationDate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Share purchase agreement expiration date.</label>
    <loc xlink:href="omex-20210331.xsd#omex_DebtInstrumentThresholdPaymentTerm" xlink:label="loc_omex_DebtInstrumentThresholdPaymentTerm" xlink:type="locator"/>
    <label xlink:label="lab_omex_DebtInstrumentThresholdPaymentTerm" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument Threshold Payment Term</label>
    <label xlink:label="lab_omex_DebtInstrumentThresholdPaymentTerm" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt instrument, threshold payment term</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_DebtInstrumentThresholdPaymentTerm" xlink:to="lab_omex_DebtInstrumentThresholdPaymentTerm" xlink:type="arc"/>
    <label xlink:label="lab_omex_DebtInstrumentThresholdPaymentTerm" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Debt instrument threshold payment term.</label>
    <loc xlink:href="omex-20210331.xsd#omex_StockGrantedPercentageUponConversionOfConvertibleSecurities" xlink:label="loc_omex_StockGrantedPercentageUponConversionOfConvertibleSecurities" xlink:type="locator"/>
    <label xlink:label="lab_omex_StockGrantedPercentageUponConversionOfConvertibleSecurities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stock Granted Percentage Upon Conversion Of Convertible Securities</label>
    <label xlink:label="lab_omex_StockGrantedPercentageUponConversionOfConvertibleSecurities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Stock granted during period, percentage</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_StockGrantedPercentageUponConversionOfConvertibleSecurities" xlink:to="lab_omex_StockGrantedPercentageUponConversionOfConvertibleSecurities" xlink:type="arc"/>
    <label xlink:label="lab_omex_StockGrantedPercentageUponConversionOfConvertibleSecurities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Stock granted percentage upon conversion of convertible securities.</label>
    <loc xlink:href="omex-20210331.xsd#omex_StockGrantedValueUponConversionOfConvertibleSecurities" xlink:label="loc_omex_StockGrantedValueUponConversionOfConvertibleSecurities" xlink:type="locator"/>
    <label xlink:label="lab_omex_StockGrantedValueUponConversionOfConvertibleSecurities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stock Granted Value Upon Conversion Of Convertible Securities</label>
    <label xlink:label="lab_omex_StockGrantedValueUponConversionOfConvertibleSecurities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Stock granted during period, value</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_StockGrantedValueUponConversionOfConvertibleSecurities" xlink:to="lab_omex_StockGrantedValueUponConversionOfConvertibleSecurities" xlink:type="arc"/>
    <label xlink:label="lab_omex_StockGrantedValueUponConversionOfConvertibleSecurities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Stock granted value upon conversion of convertible securities.</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OptionIndexedToIssuersEquityTypeAxis" xlink:label="loc_us-gaap_OptionIndexedToIssuersEquityTypeAxis" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_OptionIndexedToIssuersEquityTypeAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Option Indexed to Issuer's Equity, Type [Axis]</label>
    <label xlink:label="lab_us-gaap_OptionIndexedToIssuersEquityTypeAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Option Indexed to Issuer's Equity, Type [Axis]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OptionIndexedToIssuersEquityTypeAxis" xlink:to="lab_us-gaap_OptionIndexedToIssuersEquityTypeAxis" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OptionIndexedToIssuersEquityTypeDomain" xlink:label="loc_us-gaap_OptionIndexedToIssuersEquityTypeDomain" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_OptionIndexedToIssuersEquityTypeDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Option Indexed to Issuer's Equity, Type [Domain]</label>
    <label xlink:label="lab_us-gaap_OptionIndexedToIssuersEquityTypeDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Option Indexed to Issuer's Equity, Type [Domain]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OptionIndexedToIssuersEquityTypeDomain" xlink:to="lab_us-gaap_OptionIndexedToIssuersEquityTypeDomain" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CallOptionMember" xlink:label="loc_us-gaap_CallOptionMember" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_CallOptionMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Call Option [Member]</label>
    <label xlink:label="lab_us-gaap_CallOptionMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Oceanica Call Option [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CallOptionMember" xlink:to="lab_us-gaap_CallOptionMember" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_DerivativeInstrumentRiskAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative Instrument [Axis]</label>
    <label xlink:label="lab_us-gaap_DerivativeInstrumentRiskAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivative Instrument [Axis]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis" xlink:to="lab_us-gaap_DerivativeInstrumentRiskAxis" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_DerivativeContractTypeDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative Contract [Domain]</label>
    <label xlink:label="lab_us-gaap_DerivativeContractTypeDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivative Contract [Domain]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativeContractTypeDomain" xlink:to="lab_us-gaap_DerivativeContractTypeDomain" xlink:type="arc"/>
    <loc xlink:href="omex-20210331.xsd#omex_DeferredRevenueCallOptionMember" xlink:label="loc_omex_DeferredRevenueCallOptionMember" xlink:type="locator"/>
    <label xlink:label="lab_omex_DeferredRevenueCallOptionMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Revenue Call Option [Member]</label>
    <label xlink:label="lab_omex_DeferredRevenueCallOptionMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred Income Call Option [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_DeferredRevenueCallOptionMember" xlink:to="lab_omex_DeferredRevenueCallOptionMember" xlink:type="arc"/>
    <label xlink:label="lab_omex_DeferredRevenueCallOptionMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Deferred revenue call option.</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_InvestmentTypeAxis" xlink:label="loc_us-gaap_InvestmentTypeAxis" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_InvestmentTypeAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Investment Type [Axis]</label>
    <label xlink:label="lab_us-gaap_InvestmentTypeAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Investment Type [Axis]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InvestmentTypeAxis" xlink:to="lab_us-gaap_InvestmentTypeAxis" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_InvestmentTypeCategorizationMember" xlink:label="loc_us-gaap_InvestmentTypeCategorizationMember" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_InvestmentTypeCategorizationMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Investments [Domain]</label>
    <label xlink:label="lab_us-gaap_InvestmentTypeCategorizationMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Investments [Domain]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InvestmentTypeCategorizationMember" xlink:to="lab_us-gaap_InvestmentTypeCategorizationMember" xlink:type="arc"/>
    <loc xlink:href="omex-20210331.xsd#omex_SharePurchaseAgreementMember" xlink:label="loc_omex_SharePurchaseAgreementMember" xlink:type="locator"/>
    <label xlink:label="lab_omex_SharePurchaseAgreementMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share Purchase Agreement [Member]</label>
    <label xlink:label="lab_omex_SharePurchaseAgreementMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Stock Purchase Agreement [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_SharePurchaseAgreementMember" xlink:to="lab_omex_SharePurchaseAgreementMember" xlink:type="arc"/>
    <label xlink:label="lab_omex_SharePurchaseAgreementMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Share purchase agreement.</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShortTermDebtTypeAxis" xlink:label="loc_us-gaap_ShortTermDebtTypeAxis" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_ShortTermDebtTypeAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Short-term Debt, Type [Axis]</label>
    <label xlink:label="lab_us-gaap_ShortTermDebtTypeAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Short-term Debt, Type [Axis]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShortTermDebtTypeAxis" xlink:to="lab_us-gaap_ShortTermDebtTypeAxis" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShortTermDebtTypeDomain" xlink:label="loc_us-gaap_ShortTermDebtTypeDomain" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_ShortTermDebtTypeDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Short-term Debt, Type [Domain]</label>
    <label xlink:label="lab_us-gaap_ShortTermDebtTypeDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Short-term Debt, Type [Domain]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShortTermDebtTypeDomain" xlink:to="lab_us-gaap_ShortTermDebtTypeDomain" xlink:type="arc"/>
    <loc xlink:href="omex-20210331.xsd#omex_PromissoryNoteMember" xlink:label="loc_omex_PromissoryNoteMember" xlink:type="locator"/>
    <label xlink:label="lab_omex_PromissoryNoteMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Promissory Note [Member]</label>
    <label xlink:label="lab_omex_PromissoryNoteMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Promissory Note [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_PromissoryNoteMember" xlink:to="lab_omex_PromissoryNoteMember" xlink:type="arc"/>
    <label xlink:label="lab_omex_PromissoryNoteMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Promissory note.</label>
    <loc xlink:href="omex-20210331.xsd#omex_TwoThousandAndFourteenConvertiblePromissoryNotesMember" xlink:label="loc_omex_TwoThousandAndFourteenConvertiblePromissoryNotesMember" xlink:type="locator"/>
    <label xlink:label="lab_omex_TwoThousandAndFourteenConvertiblePromissoryNotesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Two Thousand And Fourteen Convertible Promissory Notes [Member]</label>
    <label xlink:label="lab_omex_TwoThousandAndFourteenConvertiblePromissoryNotesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2014 Convertible Promissory Notes [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_TwoThousandAndFourteenConvertiblePromissoryNotesMember" xlink:to="lab_omex_TwoThousandAndFourteenConvertiblePromissoryNotesMember" xlink:type="arc"/>
    <label xlink:label="lab_omex_TwoThousandAndFourteenConvertiblePromissoryNotesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Two thousand and fourteen Convertible promissory notes.</label>
    <loc xlink:href="omex-20210331.xsd#omex_TrancheFiveMember" xlink:label="loc_omex_TrancheFiveMember" xlink:type="locator"/>
    <label xlink:label="lab_omex_TrancheFiveMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tranche Five [Member]</label>
    <label xlink:label="lab_omex_TrancheFiveMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fifth Tranche [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_TrancheFiveMember" xlink:to="lab_omex_TrancheFiveMember" xlink:type="arc"/>
    <label xlink:label="lab_omex_TrancheFiveMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Tranche five.</label>
    <loc xlink:href="omex-20210331.xsd#omex_TrancheFourMember" xlink:label="loc_omex_TrancheFourMember" xlink:type="locator"/>
    <label xlink:label="lab_omex_TrancheFourMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tranche Four [Member]</label>
    <label xlink:label="lab_omex_TrancheFourMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fourth Tranche [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_TrancheFourMember" xlink:to="lab_omex_TrancheFourMember" xlink:type="arc"/>
    <label xlink:label="lab_omex_TrancheFourMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Tranche four.</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CreditFacilityAxis" xlink:label="loc_us-gaap_CreditFacilityAxis" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_CreditFacilityAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Credit Facility [Axis]</label>
    <label xlink:label="lab_us-gaap_CreditFacilityAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Credit Facility [Axis]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CreditFacilityAxis" xlink:to="lab_us-gaap_CreditFacilityAxis" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_CreditFacilityDomain" xlink:label="loc_us-gaap_CreditFacilityDomain" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_CreditFacilityDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Credit Facility [Domain]</label>
    <label xlink:label="lab_us-gaap_CreditFacilityDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Credit Facility [Domain]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CreditFacilityDomain" xlink:to="lab_us-gaap_CreditFacilityDomain" xlink:type="arc"/>
    <loc xlink:href="omex-20210331.xsd#omex_TrancheMember" xlink:label="loc_omex_TrancheMember" xlink:type="locator"/>
    <label xlink:label="lab_omex_TrancheMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tranche [Member]</label>
    <label xlink:label="lab_omex_TrancheMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Tranche [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_TrancheMember" xlink:to="lab_omex_TrancheMember" xlink:type="arc"/>
    <label xlink:label="lab_omex_TrancheMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Tranche.</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1" xlink:label="loc_us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Class of Warrant or Right, Exercise Price of Warrants or Rights</label>
    <label xlink:label="lab_us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1" xlink:role="http://www.xbrl.org/2003/role/positiveLabel" xlink:type="resource" xml:lang="en-US">Warrant right exercise price</label>
    <label xlink:label="lab_us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1" xlink:role="http://www.xbrl.org/2003/role/positiveTerseLabel" xlink:type="resource" xml:lang="en-US">Warrants exercise price</label>
    <label xlink:label="lab_us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1" xlink:role="http://www.xbrl.org/2003/role/positiveVerboseLabel" xlink:type="resource" xml:lang="en-US">Warrants exercise price | $ \ share</label>
    <label xlink:label="lab_us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1" xlink:role="http://www.xbrl.org/2003/role/definitionGuidance" xlink:type="resource" xml:lang="en-US">Warrants, exercise price</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1" xlink:to="lab_us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentCollateral" xlink:label="loc_us-gaap_DebtInstrumentCollateral" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_DebtInstrumentCollateral" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Collateral</label>
    <label xlink:label="lab_us-gaap_DebtInstrumentCollateral" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Notes security description</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentCollateral" xlink:to="lab_us-gaap_DebtInstrumentCollateral" xlink:type="arc"/>
    <loc xlink:href="omex-20210331.xsd#omex_JudgmentAmountForAccelerationOfIndebtedness" xlink:label="loc_omex_JudgmentAmountForAccelerationOfIndebtedness" xlink:type="locator"/>
    <label xlink:label="lab_omex_JudgmentAmountForAccelerationOfIndebtedness" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Judgment Amount For Acceleration Of Indebtedness</label>
    <label xlink:label="lab_omex_JudgmentAmountForAccelerationOfIndebtedness" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Judgment amount for acceleration of indebtedness</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_JudgmentAmountForAccelerationOfIndebtedness" xlink:to="lab_omex_JudgmentAmountForAccelerationOfIndebtedness" xlink:type="arc"/>
    <label xlink:label="lab_omex_JudgmentAmountForAccelerationOfIndebtedness" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Judgment amount for acceleration of indebtedness.</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtConversionOriginalDebtAmount1" xlink:label="loc_us-gaap_DebtConversionOriginalDebtAmount1" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_DebtConversionOriginalDebtAmount1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Conversion, Original Debt, Amount</label>
    <label xlink:label="lab_us-gaap_DebtConversionOriginalDebtAmount1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt conversion amount</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtConversionOriginalDebtAmount1" xlink:to="lab_us-gaap_DebtConversionOriginalDebtAmount1" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_InducedConversionOfConvertibleDebtExpense" xlink:label="loc_us-gaap_InducedConversionOfConvertibleDebtExpense" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_InducedConversionOfConvertibleDebtExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Induced Conversion of Convertible Debt Expense</label>
    <label xlink:label="lab_us-gaap_InducedConversionOfConvertibleDebtExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Inducement expense</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InducedConversionOfConvertibleDebtExpense" xlink:to="lab_us-gaap_InducedConversionOfConvertibleDebtExpense" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentSubjectiveAccelerationClause" xlink:label="loc_us-gaap_DebtInstrumentSubjectiveAccelerationClause" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_DebtInstrumentSubjectiveAccelerationClause" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Subjective Acceleration Clause</label>
    <label xlink:label="lab_us-gaap_DebtInstrumentSubjectiveAccelerationClause" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt Instrument, acceleration clause description</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentSubjectiveAccelerationClause" xlink:to="lab_us-gaap_DebtInstrumentSubjectiveAccelerationClause" xlink:type="arc"/>
    <loc xlink:href="omex-20210331.xsd#omex_DebtInstrumentConvertibleConversionPriceUponDefault" xlink:label="loc_omex_DebtInstrumentConvertibleConversionPriceUponDefault" xlink:type="locator"/>
    <label xlink:label="lab_omex_DebtInstrumentConvertibleConversionPriceUponDefault" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Convertible, Conversion Price Upon Default</label>
    <label xlink:label="lab_omex_DebtInstrumentConvertibleConversionPriceUponDefault" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Conversion price of Notes upon default</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_DebtInstrumentConvertibleConversionPriceUponDefault" xlink:to="lab_omex_DebtInstrumentConvertibleConversionPriceUponDefault" xlink:type="arc"/>
    <label xlink:label="lab_omex_DebtInstrumentConvertibleConversionPriceUponDefault" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Debt instrument, convertible, conversion price upon default</label>
    <loc xlink:href="omex-20210331.xsd#omex_FairValueOfWarrantsIssuedInConnectionWithConvertibleDebt" xlink:label="loc_omex_FairValueOfWarrantsIssuedInConnectionWithConvertibleDebt" xlink:type="locator"/>
    <label xlink:label="lab_omex_FairValueOfWarrantsIssuedInConnectionWithConvertibleDebt" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value Of Warrants Issued In Connection With Convertible Debt</label>
    <label xlink:label="lab_omex_FairValueOfWarrantsIssuedInConnectionWithConvertibleDebt" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Aggregate fair value of warrants</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_FairValueOfWarrantsIssuedInConnectionWithConvertibleDebt" xlink:to="lab_omex_FairValueOfWarrantsIssuedInConnectionWithConvertibleDebt" xlink:type="arc"/>
    <label xlink:label="lab_omex_FairValueOfWarrantsIssuedInConnectionWithConvertibleDebt" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Fair value of warrants issued in connection with convertible debt.</label>
    <loc xlink:href="omex-20210331.xsd#omex_PledgedUnitsOfOwnership" xlink:label="loc_omex_PledgedUnitsOfOwnership" xlink:type="locator"/>
    <label xlink:label="lab_omex_PledgedUnitsOfOwnership" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Pledged Units Of Ownership</label>
    <label xlink:label="lab_omex_PledgedUnitsOfOwnership" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Pledged units of ownership</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_PledgedUnitsOfOwnership" xlink:to="lab_omex_PledgedUnitsOfOwnership" xlink:type="arc"/>
    <label xlink:label="lab_omex_PledgedUnitsOfOwnership" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Pledged units of ownership.</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredFinanceCostsNet" xlink:label="loc_us-gaap_DeferredFinanceCostsNet" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_DeferredFinanceCostsNet" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Issuance Costs, Net</label>
    <label xlink:label="lab_us-gaap_DeferredFinanceCostsNet" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Lender's out of pocket costs</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredFinanceCostsNet" xlink:to="lab_us-gaap_DeferredFinanceCostsNet" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensationForfeited" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensationForfeited" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensationForfeited" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Shares Issued, Shares, Share-based Payment Arrangement, Forfeited</label>
    <label xlink:label="lab_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensationForfeited" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Shares Issued, Shares, Share-based Payment Arrangement, Forfeited</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensationForfeited" xlink:to="lab_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensationForfeited" xlink:type="arc"/>
    <loc xlink:href="omex-20210331.xsd#omex_WarrantExpirationDate" xlink:label="loc_omex_WarrantExpirationDate" xlink:type="locator"/>
    <label xlink:label="lab_omex_WarrantExpirationDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Warrant Expiration Date</label>
    <label xlink:label="lab_omex_WarrantExpirationDate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Warrant Expiration Date</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_WarrantExpirationDate" xlink:to="lab_omex_WarrantExpirationDate" xlink:type="arc"/>
    <label xlink:label="lab_omex_WarrantExpirationDate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Warrant expiration date.</label>
    <loc xlink:href="omex-20210331.xsd#omex_ClassOfWarrantOrRightExercisePriceDescription" xlink:label="loc_omex_ClassOfWarrantOrRightExercisePriceDescription" xlink:type="locator"/>
    <label xlink:label="lab_omex_ClassOfWarrantOrRightExercisePriceDescription" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Class of Warrant or Right, Exercise Price Description</label>
    <label xlink:label="lab_omex_ClassOfWarrantOrRightExercisePriceDescription" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Warrant right exercise price description</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_ClassOfWarrantOrRightExercisePriceDescription" xlink:to="lab_omex_ClassOfWarrantOrRightExercisePriceDescription" xlink:type="arc"/>
    <label xlink:label="lab_omex_ClassOfWarrantOrRightExercisePriceDescription" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Class of warrant or right, exercise price description.</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentConvertibleThresholdConsecutiveTradingDays1" xlink:label="loc_us-gaap_DebtInstrumentConvertibleThresholdConsecutiveTradingDays1" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_DebtInstrumentConvertibleThresholdConsecutiveTradingDays1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Convertible, Threshold Consecutive Trading Days</label>
    <label xlink:label="lab_us-gaap_DebtInstrumentConvertibleThresholdConsecutiveTradingDays1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of trading days</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentConvertibleThresholdConsecutiveTradingDays1" xlink:to="lab_us-gaap_DebtInstrumentConvertibleThresholdConsecutiveTradingDays1" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_NotesPayableOtherPayablesMember" xlink:label="loc_us-gaap_NotesPayableOtherPayablesMember" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_NotesPayableOtherPayablesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Notes Payable, Other Payables [Member]</label>
    <label xlink:label="lab_us-gaap_NotesPayableOtherPayablesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Notes Payable, Other Payables [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NotesPayableOtherPayablesMember" xlink:to="lab_us-gaap_NotesPayableOtherPayablesMember" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueByLiabilityClassAxis" xlink:label="loc_us-gaap_FairValueByLiabilityClassAxis" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_FairValueByLiabilityClassAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liability Class [Axis]</label>
    <label xlink:label="lab_us-gaap_FairValueByLiabilityClassAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Liability Class [Axis]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueByLiabilityClassAxis" xlink:to="lab_us-gaap_FairValueByLiabilityClassAxis" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain" xlink:label="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value by Liability Class [Domain]</label>
    <label xlink:label="lab_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair Value by Liability Class [Domain]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain" xlink:to="lab_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain" xlink:type="arc"/>
    <loc xlink:href="omex-20210331.xsd#omex_BeneficialConversionFeatureMember" xlink:label="loc_omex_BeneficialConversionFeatureMember" xlink:type="locator"/>
    <label xlink:label="lab_omex_BeneficialConversionFeatureMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Beneficial Conversion Feature [Member]</label>
    <label xlink:label="lab_omex_BeneficialConversionFeatureMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Beneficial Conversion Feature ("BCF") [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_BeneficialConversionFeatureMember" xlink:to="lab_omex_BeneficialConversionFeatureMember" xlink:type="arc"/>
    <label xlink:label="lab_omex_BeneficialConversionFeatureMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Beneficial conversion feature.</label>
    <loc xlink:href="omex-20210331.xsd#omex_DebtInstrumentConvertibleConversionPriceValue" xlink:label="loc_omex_DebtInstrumentConvertibleConversionPriceValue" xlink:type="locator"/>
    <label xlink:label="lab_omex_DebtInstrumentConvertibleConversionPriceValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument Convertible Conversion Price Value</label>
    <label xlink:label="lab_omex_DebtInstrumentConvertibleConversionPriceValue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Value of equity interest</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_DebtInstrumentConvertibleConversionPriceValue" xlink:to="lab_omex_DebtInstrumentConvertibleConversionPriceValue" xlink:type="arc"/>
    <label xlink:label="lab_omex_DebtInstrumentConvertibleConversionPriceValue" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Debt instrument convertible conversion price value.</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccountsReceivableGross" xlink:label="loc_us-gaap_AccountsReceivableGross" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_AccountsReceivableGross" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accounts Receivable, Gross</label>
    <label xlink:label="lab_us-gaap_AccountsReceivableGross" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accounts receivable, gross</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccountsReceivableGross" xlink:to="lab_us-gaap_AccountsReceivableGross" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ConvertibleDebt" xlink:label="loc_us-gaap_ConvertibleDebt" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_ConvertibleDebt" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Convertible Debt</label>
    <label xlink:label="lab_us-gaap_ConvertibleDebt" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Convertible debt</label>
    <label xlink:label="lab_us-gaap_ConvertibleDebt" xlink:role="http://www.xbrl.org/2003/role/positiveLabel" xlink:type="resource" xml:lang="en-US">Aggregate amount of indebtedness outstanding</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ConvertibleDebt" xlink:to="lab_us-gaap_ConvertibleDebt" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentAnnualPrincipalPayment" xlink:label="loc_us-gaap_DebtInstrumentAnnualPrincipalPayment" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_DebtInstrumentAnnualPrincipalPayment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Annual Principal Payment</label>
    <label xlink:label="lab_us-gaap_DebtInstrumentAnnualPrincipalPayment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Annual Principal Payment</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentAnnualPrincipalPayment" xlink:to="lab_us-gaap_DebtInstrumentAnnualPrincipalPayment" xlink:type="arc"/>
    <loc xlink:href="omex-20210331.xsd#omex_PercentageOfAccountsReceivablesUsedAsDebtCollateral" xlink:label="loc_omex_PercentageOfAccountsReceivablesUsedAsDebtCollateral" xlink:type="locator"/>
    <label xlink:label="lab_omex_PercentageOfAccountsReceivablesUsedAsDebtCollateral" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percentage Of Accounts Receivables Used As Debt Collateral</label>
    <label xlink:label="lab_omex_PercentageOfAccountsReceivablesUsedAsDebtCollateral" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accounts receivable assigned for loan</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_PercentageOfAccountsReceivablesUsedAsDebtCollateral" xlink:to="lab_omex_PercentageOfAccountsReceivablesUsedAsDebtCollateral" xlink:type="arc"/>
    <label xlink:label="lab_omex_PercentageOfAccountsReceivablesUsedAsDebtCollateral" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Percentage of accounts receivables used as debt collateral.</label>
    <loc xlink:href="omex-20210331.xsd#omex_PercentageOfEquityInterestGuaranteedSecuredDebt" xlink:label="loc_omex_PercentageOfEquityInterestGuaranteedSecuredDebt" xlink:type="locator"/>
    <label xlink:label="lab_omex_PercentageOfEquityInterestGuaranteedSecuredDebt" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percentage Of Equity Interest Guaranteed Secured Debt</label>
    <label xlink:label="lab_omex_PercentageOfEquityInterestGuaranteedSecuredDebt" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percentage of equity interest</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_PercentageOfEquityInterestGuaranteedSecuredDebt" xlink:to="lab_omex_PercentageOfEquityInterestGuaranteedSecuredDebt" xlink:type="arc"/>
    <label xlink:label="lab_omex_PercentageOfEquityInterestGuaranteedSecuredDebt" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Percentage of equity interest guaranteed secured debt.</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentInterestRateEffectivePercentage" xlink:label="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_DebtInstrumentInterestRateEffectivePercentage" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Interest Rate, Effective Percentage</label>
    <label xlink:label="lab_us-gaap_DebtInstrumentInterestRateEffectivePercentage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest rate, increased percentage</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage" xlink:to="lab_us-gaap_DebtInstrumentInterestRateEffectivePercentage" xlink:type="arc"/>
    <loc xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_LegalEntityAxis" xlink:label="loc_dei_LegalEntityAxis" xlink:type="locator"/>
    <label xlink:label="lab_dei_LegalEntityAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Legal Entity [Axis]</label>
    <label xlink:label="lab_dei_LegalEntityAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Legal Entity [Axis]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_LegalEntityAxis" xlink:to="lab_dei_LegalEntityAxis" xlink:type="arc"/>
    <loc xlink:href="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain" xlink:type="locator"/>
    <label xlink:label="lab_dei_EntityDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity [Domain]</label>
    <label xlink:label="lab_dei_EntityDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity [Domain]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityDomain" xlink:to="lab_dei_EntityDomain" xlink:type="arc"/>
    <loc xlink:href="omex-20210331.xsd#omex_AldamaMiningCompanySdeRLdeCVMember" xlink:label="loc_omex_AldamaMiningCompanySdeRLdeCVMember" xlink:type="locator"/>
    <label xlink:label="lab_omex_AldamaMiningCompanySdeRLdeCVMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Aldama Mining Company, S.de R.L. de C.V [Member]</label>
    <label xlink:label="lab_omex_AldamaMiningCompanySdeRLdeCVMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Aldama Mining Company, S.de R.L. de C.V [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_AldamaMiningCompanySdeRLdeCVMember" xlink:to="lab_omex_AldamaMiningCompanySdeRLdeCVMember" xlink:type="arc"/>
    <label xlink:label="lab_omex_AldamaMiningCompanySdeRLdeCVMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Aldama Mining Company, S.de R.L. de C.V.</label>
    <loc xlink:href="omex-20210331.xsd#omex_NoteSevenMonacoTwoThousandEighteenMember" xlink:label="loc_omex_NoteSevenMonacoTwoThousandEighteenMember" xlink:type="locator"/>
    <label xlink:label="lab_omex_NoteSevenMonacoTwoThousandEighteenMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Note Seven Monaco Two Thousand Eighteen [Member]</label>
    <label xlink:label="lab_omex_NoteSevenMonacoTwoThousandEighteenMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Note 7 - Monaco 2018 [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_NoteSevenMonacoTwoThousandEighteenMember" xlink:to="lab_omex_NoteSevenMonacoTwoThousandEighteenMember" xlink:type="arc"/>
    <label xlink:label="lab_omex_NoteSevenMonacoTwoThousandEighteenMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Note Seven Monaco Two Thousand Eighteen [Member]</label>
    <loc xlink:href="omex-20210331.xsd#omex_AggregateOfferingPriceMinimum" xlink:label="loc_omex_AggregateOfferingPriceMinimum" xlink:type="locator"/>
    <label xlink:label="lab_omex_AggregateOfferingPriceMinimum" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Aggregate Offering Price Minimum</label>
    <label xlink:label="lab_omex_AggregateOfferingPriceMinimum" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Minimum aggregate offering price</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_AggregateOfferingPriceMinimum" xlink:to="lab_omex_AggregateOfferingPriceMinimum" xlink:type="arc"/>
    <label xlink:label="lab_omex_AggregateOfferingPriceMinimum" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Aggregate offering price minimum.</label>
    <loc xlink:href="omex-20210331.xsd#omex_DebtInstrumentMaximumBorrowingCapacity" xlink:label="loc_omex_DebtInstrumentMaximumBorrowingCapacity" xlink:type="locator"/>
    <label xlink:label="lab_omex_DebtInstrumentMaximumBorrowingCapacity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument Maximum Borrowing Capacity</label>
    <label xlink:label="lab_omex_DebtInstrumentMaximumBorrowingCapacity" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt , maximum borrowing capacity</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_DebtInstrumentMaximumBorrowingCapacity" xlink:to="lab_omex_DebtInstrumentMaximumBorrowingCapacity" xlink:type="arc"/>
    <label xlink:label="lab_omex_DebtInstrumentMaximumBorrowingCapacity" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Debt instrument maximum borrowing capacity.</label>
    <loc xlink:href="omex-20210331.xsd#omex_DebtInstrumentNotePurchaseAgreementOneMember" xlink:label="loc_omex_DebtInstrumentNotePurchaseAgreementOneMember" xlink:type="locator"/>
    <label xlink:label="lab_omex_DebtInstrumentNotePurchaseAgreementOneMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument Note Purchase Agreement One [Member]</label>
    <label xlink:label="lab_omex_DebtInstrumentNotePurchaseAgreementOneMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Minosa Purchase Agreement [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_DebtInstrumentNotePurchaseAgreementOneMember" xlink:to="lab_omex_DebtInstrumentNotePurchaseAgreementOneMember" xlink:type="arc"/>
    <label xlink:label="lab_omex_DebtInstrumentNotePurchaseAgreementOneMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Debt instrument note purchase agreement one.</label>
    <loc xlink:href="omex-20210331.xsd#omex_SecondAREpsilonNoteMember" xlink:label="loc_omex_SecondAREpsilonNoteMember" xlink:type="locator"/>
    <label xlink:label="lab_omex_SecondAREpsilonNoteMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Second AR Epsilon Note [Member]</label>
    <label xlink:label="lab_omex_SecondAREpsilonNoteMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Second AR Epsilon Note [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_SecondAREpsilonNoteMember" xlink:to="lab_omex_SecondAREpsilonNoteMember" xlink:type="arc"/>
    <label xlink:label="lab_omex_SecondAREpsilonNoteMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Second AR Epsilon note.</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccruedRentCurrentAndNoncurrent" xlink:label="loc_us-gaap_AccruedRentCurrentAndNoncurrent" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_AccruedRentCurrentAndNoncurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accrued Rent</label>
    <label xlink:label="lab_us-gaap_AccruedRentCurrentAndNoncurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Back rent considered as part of loan</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccruedRentCurrentAndNoncurrent" xlink:to="lab_us-gaap_AccruedRentCurrentAndNoncurrent" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners" xlink:label="loc_us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners</label>
    <label xlink:label="lab_us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Ownership interest in subsidiaries the note to be converted after sale of additional notes or date of closing</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners" xlink:to="lab_us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentConvertibleConversionRatio1" xlink:label="loc_us-gaap_DebtInstrumentConvertibleConversionRatio1" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_DebtInstrumentConvertibleConversionRatio1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Convertible, Conversion Ratio</label>
    <label xlink:label="lab_us-gaap_DebtInstrumentConvertibleConversionRatio1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt instrument conversion rate after sale of additional notes or date of closing</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentConvertibleConversionRatio1" xlink:to="lab_us-gaap_DebtInstrumentConvertibleConversionRatio1" xlink:type="arc"/>
    <loc xlink:href="omex-20210331.xsd#omex_NumberOfLenders" xlink:label="loc_omex_NumberOfLenders" xlink:type="locator"/>
    <label xlink:label="lab_omex_NumberOfLenders" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number Of Lenders</label>
    <label xlink:label="lab_omex_NumberOfLenders" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of individuals purchase agreement entered into</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_NumberOfLenders" xlink:to="lab_omex_NumberOfLenders" xlink:type="arc"/>
    <label xlink:label="lab_omex_NumberOfLenders" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number Of Lenders</label>
    <loc xlink:href="omex-20210331.xsd#omex_OutstandingCommonStockOwnershipPercentage" xlink:label="loc_omex_OutstandingCommonStockOwnershipPercentage" xlink:type="locator"/>
    <label xlink:label="lab_omex_OutstandingCommonStockOwnershipPercentage" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Outstanding Common Stock Ownership Percentage</label>
    <label xlink:label="lab_omex_OutstandingCommonStockOwnershipPercentage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Ownership percentage in company's common stock</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_OutstandingCommonStockOwnershipPercentage" xlink:to="lab_omex_OutstandingCommonStockOwnershipPercentage" xlink:type="arc"/>
    <label xlink:label="lab_omex_OutstandingCommonStockOwnershipPercentage" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Outstanding common stockOwnership Percentage.</label>
    <loc xlink:href="omex-20210331.xsd#omex_DischargeOfIndebtedness" xlink:label="loc_omex_DischargeOfIndebtedness" xlink:type="locator"/>
    <label xlink:label="lab_omex_DischargeOfIndebtedness" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Discharge Of Indebtedness</label>
    <label xlink:label="lab_omex_DischargeOfIndebtedness" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Transfer of indebtedness after sale of additional notes or date of closing</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_DischargeOfIndebtedness" xlink:to="lab_omex_DischargeOfIndebtedness" xlink:type="arc"/>
    <label xlink:label="lab_omex_DischargeOfIndebtedness" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Discharge of indebtedness.</label>
    <loc xlink:href="omex-20210331.xsd#omex_DebtModificationInducement" xlink:label="loc_omex_DebtModificationInducement" xlink:type="locator"/>
    <label xlink:label="lab_omex_DebtModificationInducement" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Modification Inducement</label>
    <label xlink:label="lab_omex_DebtModificationInducement" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Debt modification inducement</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_DebtModificationInducement" xlink:to="lab_omex_DebtModificationInducement" xlink:type="arc"/>
    <label xlink:label="lab_omex_DebtModificationInducement" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Debt Modification Inducement.</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ProceedsFromIssuanceOfDebt" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfDebt" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_ProceedsFromIssuanceOfDebt" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from Issuance of Debt</label>
    <label xlink:label="lab_us-gaap_ProceedsFromIssuanceOfDebt" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Derivative asset</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromIssuanceOfDebt" xlink:to="lab_us-gaap_ProceedsFromIssuanceOfDebt" xlink:type="arc"/>
    <loc xlink:href="omex-20210331.xsd#omex_PercentageOfImpactOfNewAccountingPronouncementsAndCashFlowEffects" xlink:label="loc_omex_PercentageOfImpactOfNewAccountingPronouncementsAndCashFlowEffects" xlink:type="locator"/>
    <label xlink:label="lab_omex_PercentageOfImpactOfNewAccountingPronouncementsAndCashFlowEffects" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percentage Of Impact Of New Accounting Pronouncements And Cash Flow Effects</label>
    <label xlink:label="lab_omex_PercentageOfImpactOfNewAccountingPronouncementsAndCashFlowEffects" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Effects Of Modification On Cash Flow On Present Value Basis</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_PercentageOfImpactOfNewAccountingPronouncementsAndCashFlowEffects" xlink:to="lab_omex_PercentageOfImpactOfNewAccountingPronouncementsAndCashFlowEffects" xlink:type="arc"/>
    <label xlink:label="lab_omex_PercentageOfImpactOfNewAccountingPronouncementsAndCashFlowEffects" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Percentage Of Impact Of New Accounting Pronouncements And Cash Flow Effects</label>
    <loc xlink:href="omex-20210331.xsd#omex_PercentageOfChangeInTheFairValueOfTheEmbeddedConversionOption" xlink:label="loc_omex_PercentageOfChangeInTheFairValueOfTheEmbeddedConversionOption" xlink:type="locator"/>
    <label xlink:label="lab_omex_PercentageOfChangeInTheFairValueOfTheEmbeddedConversionOption" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percentage Of Change In The Fair Value Of The Embedded Conversion Option</label>
    <label xlink:label="lab_omex_PercentageOfChangeInTheFairValueOfTheEmbeddedConversionOption" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Change in the fair value of the embedded conversion option</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_PercentageOfChangeInTheFairValueOfTheEmbeddedConversionOption" xlink:to="lab_omex_PercentageOfChangeInTheFairValueOfTheEmbeddedConversionOption" xlink:type="arc"/>
    <label xlink:label="lab_omex_PercentageOfChangeInTheFairValueOfTheEmbeddedConversionOption" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Percentage Of Change In The Fair Value Of The Embedded Conversion Option</label>
    <loc xlink:href="omex-20210331.xsd#omex_WarrantsExercisedToPurchaseCommonStockShares" xlink:label="loc_omex_WarrantsExercisedToPurchaseCommonStockShares" xlink:type="locator"/>
    <label xlink:label="lab_omex_WarrantsExercisedToPurchaseCommonStockShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Warrants Exercised To Purchase Common Stock Shares</label>
    <label xlink:label="lab_omex_WarrantsExercisedToPurchaseCommonStockShares" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Warrants exercised to purchase common shares</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_WarrantsExercisedToPurchaseCommonStockShares" xlink:to="lab_omex_WarrantsExercisedToPurchaseCommonStockShares" xlink:type="arc"/>
    <label xlink:label="lab_omex_WarrantsExercisedToPurchaseCommonStockShares" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Warrants Exercised To Purchase Common Stock Shares</label>
    <loc xlink:href="omex-20210331.xsd#omex_FairValueReacquisitionPrice" xlink:label="loc_omex_FairValueReacquisitionPrice" xlink:type="locator"/>
    <label xlink:label="lab_omex_FairValueReacquisitionPrice" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value Reacquisition Price</label>
    <label xlink:label="lab_omex_FairValueReacquisitionPrice" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Fair value reacquisition price&#xA0;</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_FairValueReacquisitionPrice" xlink:to="lab_omex_FairValueReacquisitionPrice" xlink:type="arc"/>
    <label xlink:label="lab_omex_FairValueReacquisitionPrice" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Fair value reacquisition price.</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentUnamortizedPremium" xlink:label="loc_us-gaap_DebtInstrumentUnamortizedPremium" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_DebtInstrumentUnamortizedPremium" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Unamortized Premium</label>
    <label xlink:label="lab_us-gaap_DebtInstrumentUnamortizedPremium" xlink:role="http://www.xbrl.org/2003/role/definitionGuidance" xlink:type="resource" xml:lang="en-US">Debt instrument unamortized premium</label>
    <label xlink:label="lab_us-gaap_DebtInstrumentUnamortizedPremium" xlink:role="http://www.xbrl.org/2003/role/positiveLabel" xlink:type="resource" xml:lang="en-US">Debt Instrument, Unamortized Premium</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentUnamortizedPremium" xlink:to="lab_us-gaap_DebtInstrumentUnamortizedPremium" xlink:type="arc"/>
    <loc xlink:href="omex-20210331.xsd#omex_WarrantExpireDate" xlink:label="loc_omex_WarrantExpireDate" xlink:type="locator"/>
    <label xlink:label="lab_omex_WarrantExpireDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Warrant expire date</label>
    <label xlink:label="lab_omex_WarrantExpireDate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Warrant expire date</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_WarrantExpireDate" xlink:to="lab_omex_WarrantExpireDate" xlink:type="arc"/>
    <label xlink:label="lab_omex_WarrantExpireDate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Warrant expire date.</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentConvertibleNumberOfEquityInstruments" xlink:label="loc_us-gaap_DebtInstrumentConvertibleNumberOfEquityInstruments" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_DebtInstrumentConvertibleNumberOfEquityInstruments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Convertible, Number of Equity Instruments</label>
    <label xlink:label="lab_us-gaap_DebtInstrumentConvertibleNumberOfEquityInstruments" xlink:role="http://www.xbrl.org/2003/role/positiveLabel" xlink:type="resource" xml:lang="en-US">Debt Instrument, Convertible, Number of Equity Instruments</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentConvertibleNumberOfEquityInstruments" xlink:to="lab_us-gaap_DebtInstrumentConvertibleNumberOfEquityInstruments" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AmortizationOfDebtDiscountPremium" xlink:label="loc_us-gaap_AmortizationOfDebtDiscountPremium" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_AmortizationOfDebtDiscountPremium" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Amortization of Debt Discount (Premium)</label>
    <label xlink:label="lab_us-gaap_AmortizationOfDebtDiscountPremium" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Amortization of debt discount premium</label>
    <label xlink:label="lab_us-gaap_AmortizationOfDebtDiscountPremium" xlink:role="http://www.xbrl.org/2003/role/definitionGuidance" xlink:type="resource" xml:lang="en-US">Amortization of Debt Discount</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AmortizationOfDebtDiscountPremium" xlink:to="lab_us-gaap_AmortizationOfDebtDiscountPremium" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentRedemptionPeriodAxis" xlink:label="loc_us-gaap_DebtInstrumentRedemptionPeriodAxis" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_DebtInstrumentRedemptionPeriodAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Redemption, Period [Axis]</label>
    <label xlink:label="lab_us-gaap_DebtInstrumentRedemptionPeriodAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt Instrument, Redemption, Period [Axis]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentRedemptionPeriodAxis" xlink:to="lab_us-gaap_DebtInstrumentRedemptionPeriodAxis" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentRedemptionPeriodDomain" xlink:label="loc_us-gaap_DebtInstrumentRedemptionPeriodDomain" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_DebtInstrumentRedemptionPeriodDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Redemption, Period [Domain]</label>
    <label xlink:label="lab_us-gaap_DebtInstrumentRedemptionPeriodDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt Instrument, Redemption, Period [Domain]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentRedemptionPeriodDomain" xlink:to="lab_us-gaap_DebtInstrumentRedemptionPeriodDomain" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentRedemptionPeriodThreeMember" xlink:label="loc_us-gaap_DebtInstrumentRedemptionPeriodThreeMember" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_DebtInstrumentRedemptionPeriodThreeMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Redemption, Period Three [Member]</label>
    <label xlink:label="lab_us-gaap_DebtInstrumentRedemptionPeriodThreeMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt Instrument, Redemption, Period Three [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentRedemptionPeriodThreeMember" xlink:to="lab_us-gaap_DebtInstrumentRedemptionPeriodThreeMember" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentRedemptionPeriodTwoMember" xlink:label="loc_us-gaap_DebtInstrumentRedemptionPeriodTwoMember" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_DebtInstrumentRedemptionPeriodTwoMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Redemption, Period Two [Member]</label>
    <label xlink:label="lab_us-gaap_DebtInstrumentRedemptionPeriodTwoMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt Instrument, Redemption, Period Two [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentRedemptionPeriodTwoMember" xlink:to="lab_us-gaap_DebtInstrumentRedemptionPeriodTwoMember" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentRedemptionPeriodOneMember" xlink:label="loc_us-gaap_DebtInstrumentRedemptionPeriodOneMember" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_DebtInstrumentRedemptionPeriodOneMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Redemption, Period One [Member]</label>
    <label xlink:label="lab_us-gaap_DebtInstrumentRedemptionPeriodOneMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt Instrument, Redemption, Period One [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentRedemptionPeriodOneMember" xlink:to="lab_us-gaap_DebtInstrumentRedemptionPeriodOneMember" xlink:type="arc"/>
    <loc xlink:href="omex-20210331.xsd#omex_NoteAndWarrantPurchaseAgreementMember" xlink:label="loc_omex_NoteAndWarrantPurchaseAgreementMember" xlink:type="locator"/>
    <label xlink:label="lab_omex_NoteAndWarrantPurchaseAgreementMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Note And Warrant Purchase Agreement [Member]</label>
    <label xlink:label="lab_omex_NoteAndWarrantPurchaseAgreementMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Note And Warrant Purchase Agreement [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_NoteAndWarrantPurchaseAgreementMember" xlink:to="lab_omex_NoteAndWarrantPurchaseAgreementMember" xlink:type="arc"/>
    <label xlink:label="lab_omex_NoteAndWarrantPurchaseAgreementMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Note and warrant purchase agreement.</label>
    <loc xlink:href="omex-20210331.xsd#omex_IndividualOneMember" xlink:label="loc_omex_IndividualOneMember" xlink:type="locator"/>
    <label xlink:label="lab_omex_IndividualOneMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Individual one [Member]</label>
    <label xlink:label="lab_omex_IndividualOneMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Individual One [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_IndividualOneMember" xlink:to="lab_omex_IndividualOneMember" xlink:type="arc"/>
    <label xlink:label="lab_omex_IndividualOneMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Individual one.</label>
    <loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_OwnershipAxis" xlink:label="loc_srt_OwnershipAxis" xlink:type="locator"/>
    <label xlink:label="lab_srt_OwnershipAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Ownership [Axis]</label>
    <label xlink:label="lab_srt_OwnershipAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Ownership [Axis]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_OwnershipAxis" xlink:to="lab_srt_OwnershipAxis" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd#srt_OwnershipDomain" xlink:label="loc_srt_OwnershipDomain" xlink:type="locator"/>
    <label xlink:label="lab_srt_OwnershipDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Ownership [Domain]</label>
    <label xlink:label="lab_srt_OwnershipDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Ownership [Domain]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_OwnershipDomain" xlink:to="lab_srt_OwnershipDomain" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PendingLitigationMember" xlink:label="loc_us-gaap_PendingLitigationMember" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_PendingLitigationMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Pending Litigation [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PendingLitigationMember" xlink:to="lab_us-gaap_PendingLitigationMember" xlink:type="arc"/>
    <loc xlink:href="omex-20210331.xsd#omex_PhasesAxis" xlink:label="loc_omex_PhasesAxis" xlink:type="locator"/>
    <label xlink:label="lab_omex_PhasesAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Phases [Axis]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_PhasesAxis" xlink:to="lab_omex_PhasesAxis" xlink:type="arc"/>
    <loc xlink:href="omex-20210331.xsd#omex_PhasesDomain" xlink:label="loc_omex_PhasesDomain" xlink:type="locator"/>
    <label xlink:label="lab_omex_PhasesDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Phases [Domain]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_PhasesDomain" xlink:to="lab_omex_PhasesDomain" xlink:type="arc"/>
    <loc xlink:href="omex-20210331.xsd#omex_PhaseTwoMember" xlink:label="loc_omex_PhaseTwoMember" xlink:type="locator"/>
    <label xlink:label="lab_omex_PhaseTwoMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Phase Two [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_PhaseTwoMember" xlink:to="lab_omex_PhaseTwoMember" xlink:type="arc"/>
    <loc xlink:href="omex-20210331.xsd#omex_PhaseOneMember" xlink:label="loc_omex_PhaseOneMember" xlink:type="locator"/>
    <label xlink:label="lab_omex_PhaseOneMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Phase One [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_PhaseOneMember" xlink:to="lab_omex_PhaseOneMember" xlink:type="arc"/>
    <loc xlink:href="omex-20210331.xsd#omex_PhaseThreeMember" xlink:label="loc_omex_PhaseThreeMember" xlink:type="locator"/>
    <label xlink:label="lab_omex_PhaseThreeMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Phase Three [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_PhaseThreeMember" xlink:to="lab_omex_PhaseThreeMember" xlink:type="arc"/>
    <label xlink:label="lab_omex_PhaseThreeMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Phase Three Member</label>
    <loc xlink:href="omex-20210331.xsd#omex_ClaimsAmountAgreedToBeFinancedInConnectionWithLitigationToBeSettled" xlink:label="loc_omex_ClaimsAmountAgreedToBeFinancedInConnectionWithLitigationToBeSettled" xlink:type="locator"/>
    <label xlink:label="lab_omex_ClaimsAmountAgreedToBeFinancedInConnectionWithLitigationToBeSettled" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Claims Amount Agreed To Be Financed In Connection With Litigation To Be Settled</label>
    <label xlink:label="lab_omex_ClaimsAmountAgreedToBeFinancedInConnectionWithLitigationToBeSettled" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Claims Payment Maximum Amount</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_ClaimsAmountAgreedToBeFinancedInConnectionWithLitigationToBeSettled" xlink:to="lab_omex_ClaimsAmountAgreedToBeFinancedInConnectionWithLitigationToBeSettled" xlink:type="arc"/>
    <label xlink:label="lab_omex_ClaimsAmountAgreedToBeFinancedInConnectionWithLitigationToBeSettled" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Claims Agreed To Be Financed By The Funder For the Rightful Claims Due To The Company</label>
    <loc xlink:href="omex-20210331.xsd#omex_ClaimsAmountOptionToRequest" xlink:label="loc_omex_ClaimsAmountOptionToRequest" xlink:type="locator"/>
    <label xlink:label="lab_omex_ClaimsAmountOptionToRequest" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Claims Amount Option To Request</label>
    <label xlink:label="lab_omex_ClaimsAmountOptionToRequest" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Claims amount option to request</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_ClaimsAmountOptionToRequest" xlink:to="lab_omex_ClaimsAmountOptionToRequest" xlink:type="arc"/>
    <label xlink:label="lab_omex_ClaimsAmountOptionToRequest" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount the claimholder we have the option to request.</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_OtherExpenses" xlink:label="loc_us-gaap_OtherExpenses" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_OtherExpenses" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Expenses</label>
    <label xlink:label="lab_us-gaap_OtherExpenses" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Cost Of Funding The Claims For Litigation</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherExpenses" xlink:to="lab_us-gaap_OtherExpenses" xlink:type="arc"/>
    <loc xlink:href="omex-20210331.xsd#omex_DiscriptionOfConditionsForDistributionOfProceedsToTheClaimholderAndFunder" xlink:label="loc_omex_DiscriptionOfConditionsForDistributionOfProceedsToTheClaimholderAndFunder" xlink:type="locator"/>
    <label xlink:label="lab_omex_DiscriptionOfConditionsForDistributionOfProceedsToTheClaimholderAndFunder" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Discription Of Conditions For Distribution Of Proceeds To The Claimholder And Funder</label>
    <label xlink:label="lab_omex_DiscriptionOfConditionsForDistributionOfProceedsToTheClaimholderAndFunder" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Description of conditions for distribution of proceeds to the claimholder and funder</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_DiscriptionOfConditionsForDistributionOfProceedsToTheClaimholderAndFunder" xlink:to="lab_omex_DiscriptionOfConditionsForDistributionOfProceedsToTheClaimholderAndFunder" xlink:type="arc"/>
    <label xlink:label="lab_omex_DiscriptionOfConditionsForDistributionOfProceedsToTheClaimholderAndFunder" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Discription of conditions for distribution of proceeds to the claimholder and funder.</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PaymentsOfFinancingCosts" xlink:label="loc_us-gaap_PaymentsOfFinancingCosts" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_PaymentsOfFinancingCosts" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments of Financing Costs</label>
    <label xlink:label="lab_us-gaap_PaymentsOfFinancingCosts" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Payments of Financing Costs</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsOfFinancingCosts" xlink:to="lab_us-gaap_PaymentsOfFinancingCosts" xlink:type="arc"/>
    <loc xlink:href="omex-20210331.xsd#omex_AmountRetainedByTheLenderInConnectionWithDueDiligence" xlink:label="loc_omex_AmountRetainedByTheLenderInConnectionWithDueDiligence" xlink:type="locator"/>
    <label xlink:label="lab_omex_AmountRetainedByTheLenderInConnectionWithDueDiligence" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Amount retained by the lender in connection with due diligence</label>
    <label xlink:label="lab_omex_AmountRetainedByTheLenderInConnectionWithDueDiligence" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Litigation Settlement Loans Payable Transaction Costs</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_AmountRetainedByTheLenderInConnectionWithDueDiligence" xlink:to="lab_omex_AmountRetainedByTheLenderInConnectionWithDueDiligence" xlink:type="arc"/>
    <label xlink:label="lab_omex_AmountRetainedByTheLenderInConnectionWithDueDiligence" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Litigation settlement loans payable transaction costs.</label>
    <loc xlink:href="omex-20210331.xsd#omex_InterestFromFeeAmortization" xlink:label="loc_omex_InterestFromFeeAmortization" xlink:type="locator"/>
    <label xlink:label="lab_omex_InterestFromFeeAmortization" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest From Fee Amortization</label>
    <label xlink:label="lab_omex_InterestFromFeeAmortization" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest from the fee amortization</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_InterestFromFeeAmortization" xlink:to="lab_omex_InterestFromFeeAmortization" xlink:type="arc"/>
    <label xlink:label="lab_omex_InterestFromFeeAmortization" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Interest From The Fee Amortization</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ProceedsFromLinesOfCredit" xlink:label="loc_us-gaap_ProceedsFromLinesOfCredit" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_ProceedsFromLinesOfCredit" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from Lines of Credit</label>
    <label xlink:label="lab_us-gaap_ProceedsFromLinesOfCredit" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proceeds from advance</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromLinesOfCredit" xlink:to="lab_us-gaap_ProceedsFromLinesOfCredit" xlink:type="arc"/>
    <loc xlink:href="omex-20210331.xsd#omex_FunderAxis" xlink:label="loc_omex_FunderAxis" xlink:type="locator"/>
    <label xlink:label="lab_omex_FunderAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Funder [Axis]</label>
    <label xlink:label="lab_omex_FunderAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Funder [Axis]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_FunderAxis" xlink:to="lab_omex_FunderAxis" xlink:type="arc"/>
    <loc xlink:href="omex-20210331.xsd#omex_FunderDomain" xlink:label="loc_omex_FunderDomain" xlink:type="locator"/>
    <label xlink:label="lab_omex_FunderDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Funder [Domain]</label>
    <label xlink:label="lab_omex_FunderDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Funder [Domain]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_FunderDomain" xlink:to="lab_omex_FunderDomain" xlink:type="arc"/>
    <loc xlink:href="omex-20210331.xsd#omex_PoplarFallsLlcMember" xlink:label="loc_omex_PoplarFallsLlcMember" xlink:type="locator"/>
    <label xlink:label="lab_omex_PoplarFallsLlcMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Poplar Falls LLC [Member]</label>
    <label xlink:label="lab_omex_PoplarFallsLlcMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Poplar Falls LLC [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_PoplarFallsLlcMember" xlink:to="lab_omex_PoplarFallsLlcMember" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_TypeOfArrangementAxis" xlink:label="loc_us-gaap_TypeOfArrangementAxis" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_TypeOfArrangementAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Collaborative Arrangement and Arrangement Other than Collaborative [Axis]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_TypeOfArrangementAxis" xlink:to="lab_us-gaap_TypeOfArrangementAxis" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ArrangementsAndNonarrangementTransactionsMember" xlink:label="loc_us-gaap_ArrangementsAndNonarrangementTransactionsMember" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_ArrangementsAndNonarrangementTransactionsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Collaborative Arrangement and Arrangement Other than Collaborative [Domain]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ArrangementsAndNonarrangementTransactionsMember" xlink:to="lab_us-gaap_ArrangementsAndNonarrangementTransactionsMember" xlink:type="arc"/>
    <loc xlink:href="omex-20210331.xsd#omex_SecondAmendedAndRestatedInternationalClaimsEnforcementAgreementMember" xlink:label="loc_omex_SecondAmendedAndRestatedInternationalClaimsEnforcementAgreementMember" xlink:type="locator"/>
    <label xlink:label="lab_omex_SecondAmendedAndRestatedInternationalClaimsEnforcementAgreementMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Second Amended and Restated International Claims Enforcement Agreement [Member]</label>
    <label xlink:label="lab_omex_SecondAmendedAndRestatedInternationalClaimsEnforcementAgreementMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Second Amended and Restated International Claims Enforcement Agreement [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_SecondAmendedAndRestatedInternationalClaimsEnforcementAgreementMember" xlink:to="lab_omex_SecondAmendedAndRestatedInternationalClaimsEnforcementAgreementMember" xlink:type="arc"/>
    <label xlink:label="lab_omex_SecondAmendedAndRestatedInternationalClaimsEnforcementAgreementMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Second Amended and Restated International Claims Enforcement Agreement [Member]</label>
    <loc xlink:href="omex-20210331.xsd#omex_AmendedAndRestatedInternationalClaimsEnforcementAgreementMember" xlink:label="loc_omex_AmendedAndRestatedInternationalClaimsEnforcementAgreementMember" xlink:type="locator"/>
    <label xlink:label="lab_omex_AmendedAndRestatedInternationalClaimsEnforcementAgreementMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Amended and Restated International Claims Enforcement Agreement [Member]</label>
    <label xlink:label="lab_omex_AmendedAndRestatedInternationalClaimsEnforcementAgreementMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amended and Restated International Claims Enforcement Agreement [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_AmendedAndRestatedInternationalClaimsEnforcementAgreementMember" xlink:to="lab_omex_AmendedAndRestatedInternationalClaimsEnforcementAgreementMember" xlink:type="arc"/>
    <label xlink:label="lab_omex_AmendedAndRestatedInternationalClaimsEnforcementAgreementMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amended and Restated International Claims Enforcement Agreement.</label>
    <loc xlink:href="omex-20210331.xsd#omex_TrancheAxis" xlink:label="loc_omex_TrancheAxis" xlink:type="locator"/>
    <label xlink:label="lab_omex_TrancheAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tranche [Axis]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_TrancheAxis" xlink:to="lab_omex_TrancheAxis" xlink:type="arc"/>
    <loc xlink:href="omex-20210331.xsd#omex_TrancheDomain" xlink:label="loc_omex_TrancheDomain" xlink:type="locator"/>
    <label xlink:label="lab_omex_TrancheDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tranche [Domain]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_TrancheDomain" xlink:to="lab_omex_TrancheDomain" xlink:type="arc"/>
    <loc xlink:href="omex-20210331.xsd#omex_TranchAMember" xlink:label="loc_omex_TranchAMember" xlink:type="locator"/>
    <label xlink:label="lab_omex_TranchAMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tranch A [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_TranchAMember" xlink:to="lab_omex_TranchAMember" xlink:type="arc"/>
    <loc xlink:href="omex-20210331.xsd#omex_TranchBMember" xlink:label="loc_omex_TranchBMember" xlink:type="locator"/>
    <label xlink:label="lab_omex_TranchBMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tranch B [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_TranchBMember" xlink:to="lab_omex_TranchBMember" xlink:type="arc"/>
    <loc xlink:href="omex-20210331.xsd#omex_ProceedsAxis" xlink:label="loc_omex_ProceedsAxis" xlink:type="locator"/>
    <label xlink:label="lab_omex_ProceedsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds [Axis]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_ProceedsAxis" xlink:to="lab_omex_ProceedsAxis" xlink:type="arc"/>
    <loc xlink:href="omex-20210331.xsd#omex_ProceedsDomain" xlink:label="loc_omex_ProceedsDomain" xlink:type="locator"/>
    <label xlink:label="lab_omex_ProceedsDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds [Domain]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_ProceedsDomain" xlink:to="lab_omex_ProceedsDomain" xlink:type="arc"/>
    <loc xlink:href="omex-20210331.xsd#omex_ProceedsThreeMember" xlink:label="loc_omex_ProceedsThreeMember" xlink:type="locator"/>
    <label xlink:label="lab_omex_ProceedsThreeMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds Three [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_ProceedsThreeMember" xlink:to="lab_omex_ProceedsThreeMember" xlink:type="arc"/>
    <loc xlink:href="omex-20210331.xsd#omex_ProceedsFourMember" xlink:label="loc_omex_ProceedsFourMember" xlink:type="locator"/>
    <label xlink:label="lab_omex_ProceedsFourMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds Four [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_ProceedsFourMember" xlink:to="lab_omex_ProceedsFourMember" xlink:type="arc"/>
    <loc xlink:href="omex-20210331.xsd#omex_ProceedsOneMember" xlink:label="loc_omex_ProceedsOneMember" xlink:type="locator"/>
    <label xlink:label="lab_omex_ProceedsOneMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds One [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_ProceedsOneMember" xlink:to="lab_omex_ProceedsOneMember" xlink:type="arc"/>
    <loc xlink:href="omex-20210331.xsd#omex_ProceedsTwoMember" xlink:label="loc_omex_ProceedsTwoMember" xlink:type="locator"/>
    <label xlink:label="lab_omex_ProceedsTwoMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds Two [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_ProceedsTwoMember" xlink:to="lab_omex_ProceedsTwoMember" xlink:type="arc"/>
    <loc xlink:href="omex-20210331.xsd#omex_LitigationFinancingMember" xlink:label="loc_omex_LitigationFinancingMember" xlink:type="locator"/>
    <label xlink:label="lab_omex_LitigationFinancingMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Litigation Financing [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_LitigationFinancingMember" xlink:to="lab_omex_LitigationFinancingMember" xlink:type="arc"/>
    <label xlink:label="lab_omex_LitigationFinancingMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Litigation Financing.</label>
    <loc xlink:href="omex-20210331.xsd#omex_CaresActLoanMember" xlink:label="loc_omex_CaresActLoanMember" xlink:type="locator"/>
    <label xlink:label="lab_omex_CaresActLoanMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cares Act Loan [Member]</label>
    <label xlink:label="lab_omex_CaresActLoanMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cares Act Loan [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_CaresActLoanMember" xlink:to="lab_omex_CaresActLoanMember" xlink:type="arc"/>
    <label xlink:label="lab_omex_CaresActLoanMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Cares Act Loan</label>
    <loc xlink:href="omex-20210331.xsd#omex_PercentOfLoanThatWillForgiven" xlink:label="loc_omex_PercentOfLoanThatWillForgiven" xlink:type="locator"/>
    <label xlink:label="lab_omex_PercentOfLoanThatWillForgiven" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percent Of Loan That Will Forgiven</label>
    <label xlink:label="lab_omex_PercentOfLoanThatWillForgiven" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percent of loan that will forgiven</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_PercentOfLoanThatWillForgiven" xlink:to="lab_omex_PercentOfLoanThatWillForgiven" xlink:type="arc"/>
    <label xlink:label="lab_omex_PercentOfLoanThatWillForgiven" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Percent Of Loan That Will Forgiven</label>
    <loc xlink:href="omex-20210331.xsd#omex_DebtInstrumentMaturityPeriod" xlink:label="loc_omex_DebtInstrumentMaturityPeriod" xlink:type="locator"/>
    <label xlink:label="lab_omex_DebtInstrumentMaturityPeriod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument Maturity Period</label>
    <label xlink:label="lab_omex_DebtInstrumentMaturityPeriod" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt instrument maturity period</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_DebtInstrumentMaturityPeriod" xlink:to="lab_omex_DebtInstrumentMaturityPeriod" xlink:type="arc"/>
    <label xlink:label="lab_omex_DebtInstrumentMaturityPeriod" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Debt Instrument Maturity Period</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentPeriodicPayment" xlink:label="loc_us-gaap_DebtInstrumentPeriodicPayment" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_DebtInstrumentPeriodicPayment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Periodic Payment</label>
    <label xlink:label="lab_us-gaap_DebtInstrumentPeriodicPayment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt instrument periodic payment</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentPeriodicPayment" xlink:to="lab_us-gaap_DebtInstrumentPeriodicPayment" xlink:type="arc"/>
    <loc xlink:href="omex-20210331.xsd#omex_EmergencyInjuryDisasterLoanMember" xlink:label="loc_omex_EmergencyInjuryDisasterLoanMember" xlink:type="locator"/>
    <label xlink:label="lab_omex_EmergencyInjuryDisasterLoanMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Emergency Injury Disaster Loan [Member]</label>
    <label xlink:label="lab_omex_EmergencyInjuryDisasterLoanMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Emergency Injury Disaster Loan [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_EmergencyInjuryDisasterLoanMember" xlink:to="lab_omex_EmergencyInjuryDisasterLoanMember" xlink:type="arc"/>
    <label xlink:label="lab_omex_EmergencyInjuryDisasterLoanMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Emergency Injury Disaster Loan.</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_MarineServicesEquipmentMember" xlink:label="loc_us-gaap_MarineServicesEquipmentMember" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_MarineServicesEquipmentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Marine Services Equipment [Member]</label>
    <label xlink:label="lab_us-gaap_MarineServicesEquipmentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Marine Equipment [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_MarineServicesEquipmentMember" xlink:to="lab_us-gaap_MarineServicesEquipmentMember" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccountsPayableTradeCurrent" xlink:label="loc_us-gaap_AccountsPayableTradeCurrent" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_AccountsPayableTradeCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accounts Payable, Trade, Current</label>
    <label xlink:label="lab_us-gaap_AccountsPayableTradeCurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Trade payable in accounts payable</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccountsPayableTradeCurrent" xlink:to="lab_us-gaap_AccountsPayableTradeCurrent" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AccountsPayableInterestBearingInterestRate" xlink:label="loc_us-gaap_AccountsPayableInterestBearingInterestRate" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_AccountsPayableInterestBearingInterestRate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accounts Payable, Interest-bearing, Interest Rate</label>
    <label xlink:label="lab_us-gaap_AccountsPayableInterestBearingInterestRate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Trade payable, interest bearing interest rate</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccountsPayableInterestBearingInterestRate" xlink:to="lab_us-gaap_AccountsPayableInterestBearingInterestRate" xlink:type="arc"/>
    <loc xlink:href="omex-20210331.xsd#omex_ContingentLiability" xlink:label="loc_omex_ContingentLiability" xlink:type="locator"/>
    <label xlink:label="lab_omex_ContingentLiability" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Contingent Liability</label>
    <label xlink:label="lab_omex_ContingentLiability" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Contingent liability</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_ContingentLiability" xlink:to="lab_omex_ContingentLiability" xlink:type="arc"/>
    <label xlink:label="lab_omex_ContingentLiability" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Contingent Liability</label>
    <loc xlink:href="omex-20210331.xsd#omex_CollateralAssetCarryingValue" xlink:label="loc_omex_CollateralAssetCarryingValue" xlink:type="locator"/>
    <label xlink:label="lab_omex_CollateralAssetCarryingValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Collateral Asset Carrying Value</label>
    <label xlink:label="lab_omex_CollateralAssetCarryingValue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Collateral asset carrying value</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_CollateralAssetCarryingValue" xlink:to="lab_omex_CollateralAssetCarryingValue" xlink:type="arc"/>
    <label xlink:label="lab_omex_CollateralAssetCarryingValue" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Collateral asset carrying value.</label>
    <loc xlink:href="omex-20210331.xsd#omex_CollateralAgreementMember" xlink:label="loc_omex_CollateralAgreementMember" xlink:type="locator"/>
    <label xlink:label="lab_omex_CollateralAgreementMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Collateral Agreement [Member]</label>
    <label xlink:label="lab_omex_CollateralAgreementMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Collateral Agreement [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_CollateralAgreementMember" xlink:to="lab_omex_CollateralAgreementMember" xlink:type="arc"/>
    <label xlink:label="lab_omex_CollateralAgreementMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Collateral agreement.</label>
    <loc xlink:href="omex-20210331.xsd#omex_MagellanMember" xlink:label="loc_omex_MagellanMember" xlink:type="locator"/>
    <label xlink:label="lab_omex_MagellanMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Magellan [Member]</label>
    <label xlink:label="lab_omex_MagellanMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Magellan Offshore Services Ltd [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_MagellanMember" xlink:to="lab_omex_MagellanMember" xlink:type="arc"/>
    <label xlink:label="lab_omex_MagellanMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Magellan.</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_EquityAbstract" xlink:label="loc_us-gaap_EquityAbstract" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_EquityAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity [Abstract]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EquityAbstract" xlink:to="lab_us-gaap_EquityAbstract" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]</label>
    <label xlink:label="lab_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:to="lab_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="loc_us-gaap_AwardTypeAxis" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_AwardTypeAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Award Type [Axis]</label>
    <label xlink:label="lab_us-gaap_AwardTypeAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Award Type [Axis]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AwardTypeAxis" xlink:to="lab_us-gaap_AwardTypeAxis" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity Award [Domain]</label>
    <label xlink:label="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Equity Award [Domain]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:type="arc"/>
    <loc xlink:href="omex-20210331.xsd#omex_IncentiveStockOptionsMember" xlink:label="loc_omex_IncentiveStockOptionsMember" xlink:type="locator"/>
    <label xlink:label="lab_omex_IncentiveStockOptionsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Incentive Stock Options [Member]</label>
    <label xlink:label="lab_omex_IncentiveStockOptionsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Incentive Stock Options [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_IncentiveStockOptionsMember" xlink:to="lab_omex_IncentiveStockOptionsMember" xlink:type="arc"/>
    <label xlink:label="lab_omex_IncentiveStockOptionsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Incentive stock options.</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PlanNameAxis" xlink:label="loc_us-gaap_PlanNameAxis" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_PlanNameAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Plan Name [Axis]</label>
    <label xlink:label="lab_us-gaap_PlanNameAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Plan Name [Axis]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PlanNameAxis" xlink:to="lab_us-gaap_PlanNameAxis" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PlanNameDomain" xlink:label="loc_us-gaap_PlanNameDomain" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_PlanNameDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Plan Name [Domain]</label>
    <label xlink:label="lab_us-gaap_PlanNameDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Plan Name [Domain]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PlanNameDomain" xlink:to="lab_us-gaap_PlanNameDomain" xlink:type="arc"/>
    <loc xlink:href="omex-20210331.xsd#omex_TwoThousandNineteenStockIncentivePlanMember" xlink:label="loc_omex_TwoThousandNineteenStockIncentivePlanMember" xlink:type="locator"/>
    <label xlink:label="lab_omex_TwoThousandNineteenStockIncentivePlanMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Two Thousand Nineteen Stock Incentive Plan [Member]</label>
    <label xlink:label="lab_omex_TwoThousandNineteenStockIncentivePlanMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2019 Stock Incentive Plan [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_TwoThousandNineteenStockIncentivePlanMember" xlink:to="lab_omex_TwoThousandNineteenStockIncentivePlanMember" xlink:type="arc"/>
    <label xlink:label="lab_omex_TwoThousandNineteenStockIncentivePlanMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Two Thousand Nineteen Stock Incentive Plan.</label>
    <loc xlink:href="omex-20210331.xsd#omex_TwoThousandFifteenStockIncentivePlanMember" xlink:label="loc_omex_TwoThousandFifteenStockIncentivePlanMember" xlink:type="locator"/>
    <label xlink:label="lab_omex_TwoThousandFifteenStockIncentivePlanMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Two Thousand Fifteen Stock Incentive Plan [Member]</label>
    <label xlink:label="lab_omex_TwoThousandFifteenStockIncentivePlanMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2015 Stock Incentive Plan [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_TwoThousandFifteenStockIncentivePlanMember" xlink:to="lab_omex_TwoThousandFifteenStockIncentivePlanMember" xlink:type="arc"/>
    <label xlink:label="lab_omex_TwoThousandFifteenStockIncentivePlanMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">2015 Stock incentive plan.</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</label>
    <label xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_AllocatedShareBasedCompensationExpense" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_AllocatedShareBasedCompensationExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Allocated Share-based Compensation Expense</label>
    <label xlink:label="lab_us-gaap_AllocatedShareBasedCompensationExpense" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Share-based compensation expense</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AllocatedShareBasedCompensationExpense" xlink:to="lab_us-gaap_AllocatedShareBasedCompensationExpense" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DebtInstrumentConvertibleStockPriceTrigger" xlink:label="loc_us-gaap_DebtInstrumentConvertibleStockPriceTrigger" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_DebtInstrumentConvertibleStockPriceTrigger" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Convertible, Stock Price Trigger</label>
    <label xlink:label="lab_us-gaap_DebtInstrumentConvertibleStockPriceTrigger" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Closing price of common stock</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentConvertibleStockPriceTrigger" xlink:to="lab_us-gaap_DebtInstrumentConvertibleStockPriceTrigger" xlink:type="arc"/>
    <loc xlink:href="omex-20210331.xsd#omex_PreferredStockAccretionAtAnnualizedRate" xlink:label="loc_omex_PreferredStockAccretionAtAnnualizedRate" xlink:type="locator"/>
    <label xlink:label="lab_omex_PreferredStockAccretionAtAnnualizedRate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Preferred Stock Accretion at Annualized Rate</label>
    <label xlink:label="lab_omex_PreferredStockAccretionAtAnnualizedRate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Preferred stock Liquidation preference accretion rate</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_PreferredStockAccretionAtAnnualizedRate" xlink:to="lab_omex_PreferredStockAccretionAtAnnualizedRate" xlink:type="arc"/>
    <label xlink:label="lab_omex_PreferredStockAccretionAtAnnualizedRate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Preferred Stock Accretion at Annualized Rate</label>
    <loc xlink:href="omex-20210331.xsd#omex_EligibleEmployeeThresholdPercentage" xlink:label="loc_omex_EligibleEmployeeThresholdPercentage" xlink:type="locator"/>
    <label xlink:label="lab_omex_EligibleEmployeeThresholdPercentage" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Eligible Employee Threshold Percentage</label>
    <label xlink:label="lab_omex_EligibleEmployeeThresholdPercentage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Eligible employee threshold percentage</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_EligibleEmployeeThresholdPercentage" xlink:to="lab_omex_EligibleEmployeeThresholdPercentage" xlink:type="arc"/>
    <label xlink:label="lab_omex_EligibleEmployeeThresholdPercentage" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Eligible employee threshold percentage.</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stock Issued During Period, Shares, New Issues</label>
    <label xlink:label="lab_us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Common stock and warrants sold</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:to="lab_us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:type="arc"/>
    <loc xlink:href="omex-20210331.xsd#omex_ShareBasedCompensationArrangementByShareBasedPaymentAwardMaximumAmountPayableInCashPerEmployee" xlink:label="loc_omex_ShareBasedCompensationArrangementByShareBasedPaymentAwardMaximumAmountPayableInCashPerEmployee" xlink:type="locator"/>
    <label xlink:label="lab_omex_ShareBasedCompensationArrangementByShareBasedPaymentAwardMaximumAmountPayableInCashPerEmployee" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share Based Compensation Arrangement By Share Based Payment Award Maximum Amount Payable In Cash Per Employee</label>
    <label xlink:label="lab_omex_ShareBasedCompensationArrangementByShareBasedPaymentAwardMaximumAmountPayableInCashPerEmployee" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Maximum aggregate amount of cash that may be paid in cash to any person during any calendar year</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_ShareBasedCompensationArrangementByShareBasedPaymentAwardMaximumAmountPayableInCashPerEmployee" xlink:to="lab_omex_ShareBasedCompensationArrangementByShareBasedPaymentAwardMaximumAmountPayableInCashPerEmployee" xlink:type="arc"/>
    <label xlink:label="lab_omex_ShareBasedCompensationArrangementByShareBasedPaymentAwardMaximumAmountPayableInCashPerEmployee" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Share based compensation arrangement by share based payment award maximum amount payable in cash per employee.</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardMaximumNumberOfSharesPerEmployee" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardMaximumNumberOfSharesPerEmployee" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardMaximumNumberOfSharesPerEmployee" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Maximum Number of Shares Per Employee</label>
    <label xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardMaximumNumberOfSharesPerEmployee" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Maximum aggregate number of Shares with respect to one or more Awards that may be granted to any one person during any calendar year</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardMaximumNumberOfSharesPerEmployee" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardMaximumNumberOfSharesPerEmployee" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized</label>
    <label xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Additional shares authorized for stock-based compensation</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized" xlink:type="arc"/>
    <loc xlink:href="omex-20210331.xsd#omex_ShareBasedCompensationArrangementByShareBasedPaymentAwardExercisePriceCondition" xlink:label="loc_omex_ShareBasedCompensationArrangementByShareBasedPaymentAwardExercisePriceCondition" xlink:type="locator"/>
    <label xlink:label="lab_omex_ShareBasedCompensationArrangementByShareBasedPaymentAwardExercisePriceCondition" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share Based Compensation Arrangement By Share Based Payment Award Exercise Price Condition</label>
    <label xlink:label="lab_omex_ShareBasedCompensationArrangementByShareBasedPaymentAwardExercisePriceCondition" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Exercise price of incentive option granted</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_ShareBasedCompensationArrangementByShareBasedPaymentAwardExercisePriceCondition" xlink:to="lab_omex_ShareBasedCompensationArrangementByShareBasedPaymentAwardExercisePriceCondition" xlink:type="arc"/>
    <label xlink:label="lab_omex_ShareBasedCompensationArrangementByShareBasedPaymentAwardExercisePriceCondition" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Share based compensation arrangement by share based payment award exercise price condition.</label>
    <loc xlink:href="omex-20210331.xsd#omex_ClassOfWarrantOrRightExpirationDate" xlink:label="loc_omex_ClassOfWarrantOrRightExpirationDate" xlink:type="locator"/>
    <label xlink:label="lab_omex_ClassOfWarrantOrRightExpirationDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Class Of Warrant Or Right Expiration Date</label>
    <label xlink:label="lab_omex_ClassOfWarrantOrRightExpirationDate" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Warrants, expiration date</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_ClassOfWarrantOrRightExpirationDate" xlink:to="lab_omex_ClassOfWarrantOrRightExpirationDate" xlink:type="arc"/>
    <label xlink:label="lab_omex_ClassOfWarrantOrRightExpirationDate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Class of warrant or right expiration date.</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized</label>
    <label xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Award authorized by board</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ClassOfWarrantOrRightOutstanding" xlink:label="loc_us-gaap_ClassOfWarrantOrRightOutstanding" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_ClassOfWarrantOrRightOutstanding" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Class of Warrant or Right, Outstanding</label>
    <label xlink:label="lab_us-gaap_ClassOfWarrantOrRightOutstanding" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Number of warrants</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ClassOfWarrantOrRightOutstanding" xlink:to="lab_us-gaap_ClassOfWarrantOrRightOutstanding" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardPurchasePriceOfCommonStockPercent" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardPurchasePriceOfCommonStockPercent" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardPurchasePriceOfCommonStockPercent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Purchase Price of Common Stock, Percent</label>
    <label xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardPurchasePriceOfCommonStockPercent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Purchase price of common stock percentage</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardPurchasePriceOfCommonStockPercent" xlink:to="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardPurchasePriceOfCommonStockPercent" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByEachWarrantOrRight" xlink:label="loc_us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByEachWarrantOrRight" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByEachWarrantOrRight" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Class of Warrant or Right, Number of Securities Called by Each Warrant or Right</label>
    <label xlink:label="lab_us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByEachWarrantOrRight" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Class of Warrant or Right, Number of Securities Called by Each Warrant or Right</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByEachWarrantOrRight" xlink:to="lab_us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByEachWarrantOrRight" xlink:type="arc"/>
    <loc xlink:href="omex-20210331.xsd#omex_PurchasePriceOfWarrant" xlink:label="loc_omex_PurchasePriceOfWarrant" xlink:type="locator"/>
    <label xlink:label="lab_omex_PurchasePriceOfWarrant" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Purchase Price Of Warrant</label>
    <label xlink:label="lab_omex_PurchasePriceOfWarrant" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Purchase price of warrant</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_PurchasePriceOfWarrant" xlink:to="lab_omex_PurchasePriceOfWarrant" xlink:type="arc"/>
    <label xlink:label="lab_omex_PurchasePriceOfWarrant" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Purchase Price Of Warrant.</label>
    <loc xlink:href="omex-20210331.xsd#omex_AmountWithHeldToPayTheOfferingCostsAtALaterDate" xlink:label="loc_omex_AmountWithHeldToPayTheOfferingCostsAtALaterDate" xlink:type="locator"/>
    <label xlink:label="lab_omex_AmountWithHeldToPayTheOfferingCostsAtALaterDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Amount With held To Pay The Offering Costs At A Later Date</label>
    <label xlink:label="lab_omex_AmountWithHeldToPayTheOfferingCostsAtALaterDate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cover fees</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_AmountWithHeldToPayTheOfferingCostsAtALaterDate" xlink:to="lab_omex_AmountWithHeldToPayTheOfferingCostsAtALaterDate" xlink:type="arc"/>
    <label xlink:label="lab_omex_AmountWithHeldToPayTheOfferingCostsAtALaterDate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount with held to pay the offering costs at a later date.</label>
    <loc xlink:href="omex-20210331.xsd#omex_AmendmentAxis" xlink:label="loc_omex_AmendmentAxis" xlink:type="locator"/>
    <label xlink:label="lab_omex_AmendmentAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Amendment [Axis]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_AmendmentAxis" xlink:to="lab_omex_AmendmentAxis" xlink:type="arc"/>
    <loc xlink:href="omex-20210331.xsd#omex_AmendmentDomain" xlink:label="loc_omex_AmendmentDomain" xlink:type="locator"/>
    <label xlink:label="lab_omex_AmendmentDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Amendment [Domain]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_AmendmentDomain" xlink:to="lab_omex_AmendmentDomain" xlink:type="arc"/>
    <loc xlink:href="omex-20210331.xsd#omex_SecondAmendmentAgreementMember" xlink:label="loc_omex_SecondAmendmentAgreementMember" xlink:type="locator"/>
    <label xlink:label="lab_omex_SecondAmendmentAgreementMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Second Amendment Agreement [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_SecondAmendmentAgreementMember" xlink:to="lab_omex_SecondAmendmentAgreementMember" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_VestingAxis" xlink:label="loc_us-gaap_VestingAxis" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_VestingAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Vesting [Axis]</label>
    <label xlink:label="lab_us-gaap_VestingAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Vesting [Axis]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_VestingAxis" xlink:to="lab_us-gaap_VestingAxis" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_VestingDomain" xlink:label="loc_us-gaap_VestingDomain" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_VestingDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Vesting [Domain]</label>
    <label xlink:label="lab_us-gaap_VestingDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Vesting [Domain]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_VestingDomain" xlink:to="lab_us-gaap_VestingDomain" xlink:type="arc"/>
    <loc xlink:href="omex-20210331.xsd#omex_SeriesAaOneConvertiblePreferredStockMember" xlink:label="loc_omex_SeriesAaOneConvertiblePreferredStockMember" xlink:type="locator"/>
    <label xlink:label="lab_omex_SeriesAaOneConvertiblePreferredStockMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series AA One Convertible Preferred Stock [Member]</label>
    <label xlink:label="lab_omex_SeriesAaOneConvertiblePreferredStockMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Series AA-1 Convertible Preferred Stock [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_SeriesAaOneConvertiblePreferredStockMember" xlink:to="lab_omex_SeriesAaOneConvertiblePreferredStockMember" xlink:type="arc"/>
    <label xlink:label="lab_omex_SeriesAaOneConvertiblePreferredStockMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series AA-1 convertible preferred stock.</label>
    <loc xlink:href="omex-20210331.xsd#omex_SeriesAaTwoConvertiblePreferredStockMember" xlink:label="loc_omex_SeriesAaTwoConvertiblePreferredStockMember" xlink:type="locator"/>
    <label xlink:label="lab_omex_SeriesAaTwoConvertiblePreferredStockMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series AA Two Convertible Preferred Stock [Member]</label>
    <label xlink:label="lab_omex_SeriesAaTwoConvertiblePreferredStockMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Series AA-2 Convertible Preferred Stock [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_SeriesAaTwoConvertiblePreferredStockMember" xlink:to="lab_omex_SeriesAaTwoConvertiblePreferredStockMember" xlink:type="arc"/>
    <label xlink:label="lab_omex_SeriesAaTwoConvertiblePreferredStockMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series AA-2 convertible preferred stock.</label>
    <loc xlink:href="omex-20210331.xsd#omex_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceAndAdditionalDisclosuresAbstract" xlink:label="loc_omex_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceAndAdditionalDisclosuresAbstract" xlink:type="locator"/>
    <label xlink:label="lab_omex_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceAndAdditionalDisclosuresAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options Outstanding, Weighted Average Exercise Price, and Additional Disclosures [Abstract]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceAndAdditionalDisclosuresAbstract" xlink:to="lab_omex_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceAndAdditionalDisclosuresAbstract" xlink:type="arc"/>
    <label xlink:label="lab_omex_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceAndAdditionalDisclosuresAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options Outstanding, Weighted Average Exercise Price, and Additional Disclosures [Abstract]</label>
    <loc xlink:href="omex-20210331.xsd#omex_PreferredStockTable" xlink:label="loc_omex_PreferredStockTable" xlink:type="locator"/>
    <label xlink:label="lab_omex_PreferredStockTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Preferred Stock [Table]</label>
    <label xlink:label="lab_omex_PreferredStockTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Preferred Stock [Table]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_PreferredStockTable" xlink:to="lab_omex_PreferredStockTable" xlink:type="arc"/>
    <label xlink:label="lab_omex_PreferredStockTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Preferred Stock [Table]</label>
    <loc xlink:href="omex-20210331.xsd#omex_PreferredStockLineItems" xlink:label="loc_omex_PreferredStockLineItems" xlink:type="locator"/>
    <label xlink:label="lab_omex_PreferredStockLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Preferred Stock [Line Items]</label>
    <label xlink:label="lab_omex_PreferredStockLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Preferred Stock [Line Items]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_PreferredStockLineItems" xlink:to="lab_omex_PreferredStockLineItems" xlink:type="arc"/>
    <label xlink:label="lab_omex_PreferredStockLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Preferred Stock [Line Items]</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PreferredStockSharesIssued" xlink:label="loc_us-gaap_PreferredStockSharesIssued" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_PreferredStockSharesIssued" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Preferred Stock, Shares Issued</label>
    <label xlink:label="lab_us-gaap_PreferredStockSharesIssued" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Shares</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PreferredStockSharesIssued" xlink:to="lab_us-gaap_PreferredStockSharesIssued" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_PreferredStockValue" xlink:label="loc_us-gaap_PreferredStockValue" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_PreferredStockValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Preferred Stock, Value, Issued</label>
    <label xlink:label="lab_us-gaap_PreferredStockValue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total Investment</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PreferredStockValue" xlink:to="lab_us-gaap_PreferredStockValue" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_SharePrice" xlink:label="loc_us-gaap_SharePrice" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_SharePrice" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share Price</label>
    <label xlink:label="lab_us-gaap_SharePrice" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Price Per Share</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SharePrice" xlink:to="lab_us-gaap_SharePrice" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_LoansReceivableWithVariableRatesOfInterest1" xlink:label="loc_us-gaap_LoansReceivableWithVariableRatesOfInterest1" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_LoansReceivableWithVariableRatesOfInterest1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loans Receivable with Variable Rates of Interest</label>
    <label xlink:label="lab_us-gaap_LoansReceivableWithVariableRatesOfInterest1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amount of loan outstanding with variable interest rate</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LoansReceivableWithVariableRatesOfInterest1" xlink:to="lab_us-gaap_LoansReceivableWithVariableRatesOfInterest1" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredRevenueDisclosureAbstract" xlink:label="loc_us-gaap_DeferredRevenueDisclosureAbstract" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_DeferredRevenueDisclosureAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Revenue Disclosure [Abstract]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredRevenueDisclosureAbstract" xlink:to="lab_us-gaap_DeferredRevenueDisclosureAbstract" xlink:type="arc"/>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredRevenueArrangementByTypeTable" xlink:label="loc_us-gaap_DeferredRevenueArrangementByTypeTable" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_DeferredRevenueArrangementByTypeTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Revenue Arrangement, by Type [Table]</label>
    <label xlink:label="lab_us-gaap_DeferredRevenueArrangementByTypeTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred Revenue Arrangement, by Type [Table]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredRevenueArrangementByTypeTable" xlink:to="lab_us-gaap_DeferredRevenueArrangementByTypeTable" xlink:type="arc"/>
    <loc xlink:href="omex-20210331.xsd#omex_InvestmentsAxis" xlink:label="loc_omex_InvestmentsAxis" xlink:type="locator"/>
    <label xlink:label="lab_omex_InvestmentsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Investments [Axis]</label>
    <label xlink:label="lab_omex_InvestmentsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Investment [Axis]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_InvestmentsAxis" xlink:to="lab_omex_InvestmentsAxis" xlink:type="arc"/>
    <label xlink:label="lab_omex_InvestmentsAxis" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Investments [Axis].</label>
    <loc xlink:href="omex-20210331.xsd#omex_InvestmentsCategorizationDomain" xlink:label="loc_omex_InvestmentsCategorizationDomain" xlink:type="locator"/>
    <label xlink:label="lab_omex_InvestmentsCategorizationDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Investments Categorization [Domain]</label>
    <label xlink:label="lab_omex_InvestmentsCategorizationDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Investment [Domain]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_InvestmentsCategorizationDomain" xlink:to="lab_omex_InvestmentsCategorizationDomain" xlink:type="arc"/>
    <label xlink:label="lab_omex_InvestmentsCategorizationDomain" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Investments Categorization [Domain].</label>
    <loc xlink:href="omex-20210331.xsd#omex_RevenueParticipationCertificatesMember" xlink:label="loc_omex_RevenueParticipationCertificatesMember" xlink:type="locator"/>
    <label xlink:label="lab_omex_RevenueParticipationCertificatesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Revenue Participation Certificates [Member]</label>
    <label xlink:label="lab_omex_RevenueParticipationCertificatesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Revenue Participation Certificates [Member]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_omex_RevenueParticipationCertificatesMember" xlink:to="lab_omex_RevenueParticipationCertificatesMember" xlink:type="arc"/>
    <label xlink:label="lab_omex_RevenueParticipationCertificatesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Revenue participation certificates.</label>
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd#us-gaap_DeferredRevenueArrangementLineItems" xlink:label="loc_us-gaap_DeferredRevenueArrangementLineItems" xlink:type="locator"/>
    <label xlink:label="lab_us-gaap_DeferredRevenueArrangementLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Revenue Arrangement [Line Items]</label>
    <label xlink:label="lab_us-gaap_DeferredRevenueArrangementLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred Revenue Arrangement [Line Items]</label>
    <labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredRevenueArrangementLineItems" xlink:to="lab_us-gaap_DeferredRevenueArrangementLineItems" xlink:type="arc"/>
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    <label xlink:label="lab_omex_GaltResourcesLlcHmsVictoryMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Galt Resources, LLC (HMS Victory project).</label>
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</XBRL>
</TEXT>
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<DOCUMENT>
<TYPE>EX-101.PRE
<SEQUENCE>11
<FILENAME>omex-20210331_pre.xml
<DESCRIPTION>XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE
<TEXT>
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<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139949238094632">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Cover Page - shares<br></strong></div></th>
<th class="th" colspan="1">3 Months Ended</th>
<th class="th" colspan="1"></th>
</tr>
<tr>
<th class="th"><div>Mar. 31, 2021</div></th>
<th class="th"><div>Apr. 30, 2021</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_CoverAbstract', window );"><strong>Cover [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_DocumentType', window );">Document Type</a></td>
<td class="text">10-Q<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_AmendmentFlag', window );">Amendment Flag</a></td>
<td class="text">false<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_DocumentPeriodEndDate', window );">Document Period End Date</a></td>
<td class="text">Mar. 31,  2021<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_DocumentFiscalYearFocus', window );">Document Fiscal Year Focus</a></td>
<td class="text">2021<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_DocumentFiscalPeriodFocus', window );">Document Fiscal Period Focus</a></td>
<td class="text">Q1<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityRegistrantName', window );">Entity Registrant Name</a></td>
<td class="text">ODYSSEY MARINE EXPLORATION INC<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityCentralIndexKey', window );">Entity Central Index Key</a></td>
<td class="text">0000798528<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityFilerCategory', window );">Entity Filer Category</a></td>
<td class="text">Non-accelerated Filer<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_CurrentFiscalYearEndDate', window );">Current Fiscal Year End Date</a></td>
<td class="text">--12-31<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityCurrentReportingStatus', window );">Entity Current Reporting Status</a></td>
<td class="text">Yes<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityInteractiveDataCurrent', window );">Entity Interactive Data Current</a></td>
<td class="text">Yes<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityShellCompany', window );">Entity Shell Company</a></td>
<td class="text">false<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntitySmallBusiness', window );">Entity Small Business</a></td>
<td class="text">true<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityEmergingGrowthCompany', window );">Entity Emerging Growth Company</a></td>
<td class="text">false<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityAddressStateOrProvince', window );">Entity Address, State or Province</a></td>
<td class="text">FL<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_TradingSymbol', window );">Trading Symbol</a></td>
<td class="text">OMEX<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_Security12bTitle', window );">Title of 12(b) Security</a></td>
<td class="text">Common Stock<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_SecurityExchangeName', window );">Security Exchange Name</a></td>
<td class="text">NASDAQ<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityCommonStockSharesOutstanding', window );">Entity Common Stock, Shares Outstanding</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">13,023,330<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_AmendmentFlag">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Boolean flag that is true when the XBRL content amends previously-filed or accepted submission.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_AmendmentFlag</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_CoverAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Cover page.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_CoverAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_CurrentFiscalYearEndDate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>End date of current fiscal year in the format --MM-DD.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_CurrentFiscalYearEndDate</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:gMonthDayItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_DocumentFiscalPeriodFocus">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Fiscal period values are FY, Q1, Q2, and Q3.  1st, 2nd and 3rd quarter 10-Q or 10-QT statements have value Q1, Q2, and Q3 respectively, with 10-K, 10-KT or other fiscal year statements having FY.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_DocumentFiscalPeriodFocus</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:fiscalPeriodItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_DocumentFiscalYearFocus">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>This is focus fiscal year of the document report in YYYY format. For a 2006 annual report, which may also provide financial information from prior periods, fiscal 2006 should be given as the fiscal year focus. Example: 2006.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_DocumentFiscalYearFocus</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:gYearItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_DocumentPeriodEndDate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The end date of the period reflected on the cover page if a periodic report. For all other reports and registration statements containing historical data, it is the date up through which that historical data is presented.  If there is no historical data in the report, use the filing date. The format of the date is YYYY-MM-DD.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_DocumentPeriodEndDate</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:dateItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_DocumentType">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word 'Other'.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_DocumentType</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:submissionTypeItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityAddressStateOrProvince">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Name of the state or province.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityAddressStateOrProvince</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:stateOrProvinceItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityCentralIndexKey">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Regulation 12B<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityCentralIndexKey</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:centralIndexKeyItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityCommonStockSharesOutstanding">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Indicate number of shares or other units outstanding of each of registrant's classes of capital or common stock or other ownership interests, if and as stated on cover of related periodic report. Where multiple classes or units exist define each class/interest by adding class of stock items such as Common Class A [Member], Common Class B [Member] or Partnership Interest [Member] onto the Instrument [Domain] of the Entity Listings, Instrument.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityCommonStockSharesOutstanding</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityCurrentReportingStatus">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Indicate 'Yes' or 'No' whether registrants (1) have filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that registrants were required to file such reports), and (2) have been subject to such filing requirements for the past 90 days. This information should be based on the registrant's current or most recent filing containing the related disclosure.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityCurrentReportingStatus</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:yesNoItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityEmergingGrowthCompany">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Indicate if registrant meets the emerging growth company criteria.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Regulation 12B<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityEmergingGrowthCompany</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityFilerCategory">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Indicate whether the registrant is one of the following: Large Accelerated Filer, Accelerated Filer, Non-accelerated Filer. Definitions of these categories are stated in Rule 12b-2 of the Exchange Act. This information should be based on the registrant's current or most recent filing containing the related disclosure.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Regulation 12B<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityFilerCategory</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:filerCategoryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityInteractiveDataCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Boolean flag that is true when the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Regulation S-T<br> -Number 232<br> -Section 405<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityInteractiveDataCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:yesNoItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityRegistrantName">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Regulation 12B<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityRegistrantName</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityShellCompany">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Boolean flag that is true when the registrant is a shell company as defined in Rule 12b-2 of the Exchange Act.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Regulation 12B<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityShellCompany</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntitySmallBusiness">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Indicates that the company is a Smaller Reporting Company (SRC).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Regulation 12B<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntitySmallBusiness</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_Security12bTitle">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Title of a 12(b) registered security.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection b<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_Security12bTitle</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:securityTitleItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_SecurityExchangeName">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Name of the Exchange on which a security is registered.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection d1-1<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_SecurityExchangeName</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:edgarExchangeCodeItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_TradingSymbol">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Trading symbol of an instrument as listed on an exchange.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_TradingSymbol</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:tradingSymbolItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>14
<FILENAME>R2.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
							function toggleNextSibling (e) {
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<body>
<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139949239979816">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Consolidated Balance Sheets - USD ($)<br></strong></div></th>
<th class="th"><div>Mar. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetsCurrentAbstract', window );"><strong>CURRENT ASSETS</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CashAndCashEquivalentsAtCarryingValue', window );">Cash and cash equivalents</a></td>
<td class="nump">$ 5,234,822<span></span>
</td>
<td class="nump">$ 6,163,205<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccountsReceivableNetCurrent', window );">Accounts receivable and other, net</a></td>
<td class="nump">220,991<span></span>
</td>
<td class="nump">160,257<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherAssetsCurrent', window );">Other current assets</a></td>
<td class="nump">500,242<span></span>
</td>
<td class="nump">587,394<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetsCurrent', window );">Total current assets</a></td>
<td class="nump">5,956,055<span></span>
</td>
<td class="nump">6,910,856<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentNetAbstract', window );"><strong>PROPERTY AND EQUIPMENT</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentGross', window );">Equipment and office fixtures</a></td>
<td class="nump">7,295,717<span></span>
</td>
<td class="nump">7,295,717<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_PropertyPlantAndEquipmentSubjectToOperatingLeases', window );">Right to use &#8211; operating lease, net</a></td>
<td class="nump">571,860<span></span>
</td>
<td class="nump">607,039<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment', window );">Accumulated depreciation</a></td>
<td class="num">(7,289,832)<span></span>
</td>
<td class="num">(7,287,999)<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentNet', window );">Total property and equipment</a></td>
<td class="nump">577,745<span></span>
</td>
<td class="nump">614,757<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetsNoncurrentAbstract', window );"><strong>NON-CURRENT ASSETS</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures', window );">Investment in unconsolidated entity</a></td>
<td class="nump">2,627,117<span></span>
</td>
<td class="nump">2,370,794<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_ExplorationLicense', window );">Exploration license</a></td>
<td class="nump">1,821,251<span></span>
</td>
<td class="nump">1,821,251<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherAssetsNoncurrent', window );">Other non-current assets</a></td>
<td class="nump">41,806<span></span>
</td>
<td class="nump">41,806<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetsNoncurrentOtherThanNoncurrentInvestmentsAndPropertyPlantAndEquipment', window );">Total non-current assets</a></td>
<td class="nump">4,490,174<span></span>
</td>
<td class="nump">4,233,851<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Assets', window );">Total assets</a></td>
<td class="nump">11,023,974<span></span>
</td>
<td class="nump">11,759,464<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LiabilitiesCurrentAbstract', window );"><strong>CURRENT LIABILITIES</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccountsPayableCurrent', window );">Accounts payable</a></td>
<td class="nump">1,173,775<span></span>
</td>
<td class="nump">1,463,668<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccruedLiabilitiesAndOtherLiabilities', window );">Accrued expenses</a></td>
<td class="nump">23,779,961<span></span>
</td>
<td class="nump">21,174,005<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingLeaseLiabilityCurrent', window );">Operating lease obligation</a></td>
<td class="nump">147,141<span></span>
</td>
<td class="nump">142,080<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LoansPayableCurrent', window );">Loans payable</a></td>
<td class="nump">30,008,556<span></span>
</td>
<td class="nump">31,104,239<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LiabilitiesCurrent', window );">Total current liabilities</a></td>
<td class="nump">55,109,433<span></span>
</td>
<td class="nump">53,883,992<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LiabilitiesNoncurrentAbstract', window );"><strong>LONG-TERM LIABILITIES</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermLoansPayable', window );">Loans payable</a></td>
<td class="nump">12,146,029<span></span>
</td>
<td class="nump">11,489,029<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingLeaseLiabilityNoncurrent', window );">Operating lease obligation</a></td>
<td class="nump">440,237<span></span>
</td>
<td class="nump">478,966<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredRevenueNoncurrent', window );">Deferred income and revenue participation rights</a></td>
<td class="nump">3,818,750<span></span>
</td>
<td class="nump">3,818,750<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LiabilitiesNoncurrent', window );">Total long-term liabilities</a></td>
<td class="nump">16,405,016<span></span>
</td>
<td class="nump">15,786,745<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Liabilities', window );">Total liabilities</a></td>
<td class="nump">71,514,449<span></span>
</td>
<td class="nump">69,670,737<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CommitmentsAndContingencies', window );">Commitments and contingencies (NOTE H)</a></td>
<td class="text"> <span></span>
</td>
<td class="text"> <span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockholdersEquityAbstract', window );"><strong>STOCKHOLDERS' EQUITY/(DEFICIT)</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PreferredStockValueOutstanding', window );">Preferred stock - $.0001 par value; 24,984,166 shares authorized; none outstanding</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CommonStockValue', window );">Common stock &#8211; $.0001 par value; 75,000,000 shares authorized; 13,023,330 and 12,591,084 issued and outstanding</a></td>
<td class="nump">1,302<span></span>
</td>
<td class="nump">1,259<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AdditionalPaidInCapitalCommonStock', window );">Additional paid-in capital</a></td>
<td class="nump">240,049,578<span></span>
</td>
<td class="nump">237,505,357<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetainedEarningsAccumulatedDeficit', window );">Accumulated (deficit)</a></td>
<td class="num">(268,854,680)<span></span>
</td>
<td class="num">(265,134,462)<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockholdersEquity', window );">Total stockholders' equity/(deficit) before non-controlling interest</a></td>
<td class="num">(28,803,800)<span></span>
</td>
<td class="num">(27,627,846)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MinorityInterest', window );">Non-controlling interest</a></td>
<td class="num">(31,686,675)<span></span>
</td>
<td class="num">(30,283,427)<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest', window );">Total stockholders' equity/(deficit)</a></td>
<td class="num">(60,490,475)<span></span>
</td>
<td class="num">(57,911,273)<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LiabilitiesAndStockholdersEquity', window );">Total liabilities and stockholders' equity/(deficit)</a></td>
<td class="nump">$ 11,023,974<span></span>
</td>
<td class="nump">$ 11,759,464<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_ExplorationLicense">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Exploration license.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_ExplorationLicense</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>omex_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_PropertyPlantAndEquipmentSubjectToOperatingLeases">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Property plant and equipment subject to operating leases.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_PropertyPlantAndEquipmentSubjectToOperatingLeases</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>omex_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AccountsPayableCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.19(a))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccountsPayableCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AccountsReceivableNetCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 310<br> -SubTopic 10<br> -Section 45<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=121593590&amp;loc=d3e4428-111522<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(3))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 3: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section 45<br> -Paragraph 1<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=121566466&amp;loc=d3e6676-107765<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 310<br> -SubTopic 10<br> -Section 45<br> -Paragraph 9<br> -URI http://asc.fasb.org/extlink&amp;oid=121593590&amp;loc=d3e4531-111522<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccountsReceivableNetCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AccruedLiabilitiesAndOtherLiabilities">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of expenses incurred but not yet paid nor invoiced, and liabilities classified as other.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccruedLiabilitiesAndOtherLiabilities</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=6391035&amp;loc=d3e2868-110229<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.14)<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AdditionalPaidInCapitalCommonStock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Value received from shareholders in common stock-related transactions that are in excess of par value or stated value and amounts received from other stock-related transactions. Includes only common stock transactions (excludes preferred stock transactions). May be called contributed capital, capital in excess of par, capital surplus, or paid-in capital.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(30)(a)(1))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AdditionalPaidInCapitalCommonStock</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_Assets">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-03(11))<br> -URI http://asc.fasb.org/extlink&amp;oid=120398452&amp;loc=d3e534808-122878<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08(g)(1)(ii))<br> -URI http://asc.fasb.org/extlink&amp;oid=120395691&amp;loc=d3e23780-122690<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 825<br> -SubTopic 10<br> -Section 50<br> -Paragraph 28<br> -Subparagraph (f)<br> -URI http://asc.fasb.org/extlink&amp;oid=75031198&amp;loc=d3e14064-108612<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (bb)<br> -URI http://asc.fasb.org/extlink&amp;oid=121559654&amp;loc=d3e5710-111685<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 45<br> -Paragraph 25<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=116870748&amp;loc=SL6758485-165988<br><br>Reference 6: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 32<br> -Subparagraph (d)<br> -URI http://asc.fasb.org/extlink&amp;oid=120311839&amp;loc=d3e8933-108599<br><br>Reference 7: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 22<br> -URI http://asc.fasb.org/extlink&amp;oid=120311839&amp;loc=d3e8736-108599<br><br>Reference 8: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(a)(12))<br> -URI http://asc.fasb.org/extlink&amp;oid=120400017&amp;loc=d3e572229-122910<br><br>Reference 9: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 323<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=114001798&amp;loc=d3e33918-111571<br><br>Reference 10: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 30<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=120311839&amp;loc=d3e8906-108599<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_Assets</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AssetsCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Sum of the carrying amounts as of the balance sheet date of all assets that are expected to be realized in cash, sold, or consumed within one year (or the normal operating cycle, if longer). Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section 45<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=121566466&amp;loc=d3e6801-107765<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 825<br> -SubTopic 10<br> -Section 50<br> -Paragraph 28<br> -Subparagraph (f)<br> -URI http://asc.fasb.org/extlink&amp;oid=75031198&amp;loc=d3e14064-108612<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 45<br> -Paragraph 25<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=116870748&amp;loc=SL6758485-165988<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 323<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=114001798&amp;loc=d3e33918-111571<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (bb)<br> -URI http://asc.fasb.org/extlink&amp;oid=121559654&amp;loc=d3e5710-111685<br><br>Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.9)<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 7: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08(g)(1)(ii))<br> -URI http://asc.fasb.org/extlink&amp;oid=120395691&amp;loc=d3e23780-122690<br><br>Reference 8: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section 45<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=121566466&amp;loc=d3e6676-107765<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AssetsCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AssetsCurrentAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AssetsCurrentAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AssetsNoncurrentAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AssetsNoncurrentAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AssetsNoncurrentOtherThanNoncurrentInvestmentsAndPropertyPlantAndEquipment">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Sum of the carrying amounts as of the balance sheet date of all assets, excluding property, plant, and equipment and other property and investments, that are expected to be realized in cash, sold or consumed after one year or beyond the normal operating cycle, if longer. Alternate captions include Total Deferred Charges and Other Assets.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AssetsNoncurrentOtherThanNoncurrentInvestmentsAndPropertyPlantAndEquipment</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CashAndCashEquivalentsAtCarryingValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=121586364&amp;loc=d3e3044-108585<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section 45<br> -Paragraph 1<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=121566466&amp;loc=d3e6676-107765<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.1)<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CashAndCashEquivalentsAtCarryingValue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CommitmentsAndContingencies">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Represents the caption on the face of the balance sheet to indicate that the entity has entered into (1) purchase or supply arrangements that will require expending a portion of its resources to meet the terms thereof, and (2) is exposed to potential losses or, less frequently, gains, arising from (a) possible claims against a company's resources due to future performance under contract terms, and (b) possible losses or likely gains from uncertainties that will ultimately be resolved when one or more future events that are deemed likely to occur do occur or fail to occur.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.25)<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03.(a),19)<br> -URI http://asc.fasb.org/extlink&amp;oid=120400017&amp;loc=d3e572229-122910<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-03.17)<br> -URI http://asc.fasb.org/extlink&amp;oid=120398452&amp;loc=d3e534808-122878<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 450<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=121557415&amp;loc=d3e14326-108349<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CommitmentsAndContingencies</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CommonStockValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Aggregate par or stated value of issued nonredeemable common stock (or common stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable common shares, par value and other disclosure concepts are in another section within stockholders' equity.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(29))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CommonStockValue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeferredRevenueNoncurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of deferred income and obligation to transfer product and service to customer for which consideration has been received or is receivable, classified as noncurrent.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(5))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredRevenueNoncurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of investment in equity method investee and investment in and advance to affiliate.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.12)<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_Liabilities">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Sum of the carrying amounts as of the balance sheet date of all liabilities that are recognized. Liabilities are probable future sacrifices of economic benefits arising from present obligations of an entity to transfer assets or provide services to other entities in the future.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 45<br> -Paragraph 25<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=116870748&amp;loc=SL6758485-165988<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 825<br> -SubTopic 10<br> -Section 50<br> -Paragraph 28<br> -Subparagraph (f)<br> -URI http://asc.fasb.org/extlink&amp;oid=75031198&amp;loc=d3e14064-108612<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (bb)<br> -URI http://asc.fasb.org/extlink&amp;oid=121559654&amp;loc=d3e5710-111685<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.19-26)<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=121559654&amp;loc=d3e5710-111685<br><br>Reference 6: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 323<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=114001798&amp;loc=d3e33918-111571<br><br>Reference 7: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 30<br> -Subparagraph (d)<br> -URI http://asc.fasb.org/extlink&amp;oid=120311839&amp;loc=d3e8906-108599<br><br>Reference 8: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08(g)(1)(ii))<br> -URI http://asc.fasb.org/extlink&amp;oid=120395691&amp;loc=d3e23780-122690<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_Liabilities</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LiabilitiesAndStockholdersEquity">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of liabilities and equity items, including the portion of equity attributable to noncontrolling interests, if any.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 323<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=114001798&amp;loc=d3e33918-111571<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-03(23))<br> -URI http://asc.fasb.org/extlink&amp;oid=120398452&amp;loc=d3e534808-122878<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(a)(25))<br> -URI http://asc.fasb.org/extlink&amp;oid=120400017&amp;loc=d3e572229-122910<br><br>Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08(g)(1)(ii))<br> -URI http://asc.fasb.org/extlink&amp;oid=120395691&amp;loc=d3e23780-122690<br><br>Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(32))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 6: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 825<br> -SubTopic 10<br> -Section 50<br> -Paragraph 28<br> -Subparagraph (f)<br> -URI http://asc.fasb.org/extlink&amp;oid=75031198&amp;loc=d3e14064-108612<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LiabilitiesAndStockholdersEquity</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LiabilitiesCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Total obligations incurred as part of normal operations that are expected to be paid during the following twelve months or within one business cycle, if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (bb)<br> -URI http://asc.fasb.org/extlink&amp;oid=121559654&amp;loc=d3e5710-111685<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 825<br> -SubTopic 10<br> -Section 50<br> -Paragraph 28<br> -Subparagraph (f)<br> -URI http://asc.fasb.org/extlink&amp;oid=75031198&amp;loc=d3e14064-108612<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 45<br> -Paragraph 25<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=116870748&amp;loc=SL6758485-165988<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08(g)(1)(ii))<br> -URI http://asc.fasb.org/extlink&amp;oid=120395691&amp;loc=d3e23780-122690<br><br>Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.21)<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 6: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=121559654&amp;loc=d3e5710-111685<br><br>Reference 7: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 323<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=114001798&amp;loc=d3e33918-111571<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LiabilitiesCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LiabilitiesCurrentAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LiabilitiesCurrentAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
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</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LiabilitiesNoncurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of obligation due after one year or beyond the normal operating cycle, if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 201.5-02(25))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08(g)(1)(ii))<br> -URI http://asc.fasb.org/extlink&amp;oid=120395691&amp;loc=d3e23780-122690<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(23))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(22))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 201.5-02(26))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 6: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 825<br> -SubTopic 10<br> -Section 50<br> -Paragraph 28<br> -Subparagraph (f)<br> -URI http://asc.fasb.org/extlink&amp;oid=75031198&amp;loc=d3e14064-108612<br><br>Reference 7: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (bb)<br> -URI http://asc.fasb.org/extlink&amp;oid=121559654&amp;loc=d3e5710-111685<br><br>Reference 8: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 323<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=114001798&amp;loc=d3e33918-111571<br><br>Reference 9: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 201.5-02(24))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 10: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=121559654&amp;loc=d3e5710-111685<br><br>Reference 11: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 45<br> -Paragraph 25<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=116870748&amp;loc=SL6758485-165988<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LiabilitiesNoncurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LiabilitiesNoncurrentAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LiabilitiesNoncurrentAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LoansPayableCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Carrying value as of the balance sheet date of portion of long-term loans payable due within one year or the operating cycle if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.20)<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LoansPayableCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LongTermLoansPayable">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Carrying value as of the balance sheet date of loans payable (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.22)<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongTermLoansPayable</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_MinorityInterest">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which is directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent (that is, noncontrolling interest, previously referred to as minority interest).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(a)(24))<br> -URI http://asc.fasb.org/extlink&amp;oid=120400017&amp;loc=d3e572229-122910<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 825<br> -SubTopic 10<br> -Section 50<br> -Paragraph 28<br> -Subparagraph (f)<br> -URI http://asc.fasb.org/extlink&amp;oid=75031198&amp;loc=d3e14064-108612<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.31)<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 323<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=114001798&amp;loc=d3e33918-111571<br><br>Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-03(22))<br> -URI http://asc.fasb.org/extlink&amp;oid=120398452&amp;loc=d3e534808-122878<br><br>Reference 6: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08(g)(1)(ii))<br> -URI http://asc.fasb.org/extlink&amp;oid=120395691&amp;loc=d3e23780-122690<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_MinorityInterest</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OperatingLeaseLiabilityCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Present value of lessee's discounted obligation for lease payments from operating lease, classified as current.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 45<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=121603541&amp;loc=SL77918627-209977<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OperatingLeaseLiabilityCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OperatingLeaseLiabilityNoncurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Present value of lessee's discounted obligation for lease payments from operating lease, classified as noncurrent.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 45<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=121603541&amp;loc=SL77918627-209977<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OperatingLeaseLiabilityNoncurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OtherAssetsCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of current assets classified as other.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.8)<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OtherAssetsCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OtherAssetsNoncurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of noncurrent assets classified as other.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.17)<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OtherAssetsNoncurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PreferredStockValueOutstanding">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Value of all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by shareholders, which is net of related treasury stock. May be all or a portion of the number of preferred shares authorized. These shares represent the ownership interest of the preferred shareholders.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(28))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PreferredStockValueOutstanding</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PropertyPlantAndEquipmentGross">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=6391035&amp;loc=d3e2868-110229<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.13)<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PropertyPlantAndEquipmentGross</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PropertyPlantAndEquipmentNet">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(14))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6391035&amp;loc=d3e2868-110229<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(a)(8))<br> -URI http://asc.fasb.org/extlink&amp;oid=120400017&amp;loc=d3e572229-122910<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(13))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PropertyPlantAndEquipmentNet</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PropertyPlantAndEquipmentNetAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PropertyPlantAndEquipmentNetAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RetainedEarningsAccumulatedDeficit">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The cumulative amount of the reporting entity's undistributed earnings or deficit.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(30)(a)(3))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 65<br> -Paragraph 15<br> -Subparagraph (g)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=121322162&amp;loc=SL121327923-165333<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(a)(23)(a)(4))<br> -URI http://asc.fasb.org/extlink&amp;oid=120400017&amp;loc=d3e572229-122910<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 40<br> -Section 65<br> -Paragraph 2<br> -Subparagraph (h)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=121370832&amp;loc=SL117420844-207641<br><br>Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.3-04)<br> -URI http://asc.fasb.org/extlink&amp;oid=120397183&amp;loc=d3e187085-122770<br><br>Reference 6: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 40<br> -Section 65<br> -Paragraph 2<br> -Subparagraph (g)(2)(i)<br> -URI http://asc.fasb.org/extlink&amp;oid=121370832&amp;loc=SL117420844-207641<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RetainedEarningsAccumulatedDeficit</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StockholdersEquity">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08(g)(1)(ii))<br> -URI http://asc.fasb.org/extlink&amp;oid=120395691&amp;loc=d3e23780-122690<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 310<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SAB Topic 4.E)<br> -URI http://asc.fasb.org/extlink&amp;oid=27010918&amp;loc=d3e74512-122707<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(31))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(29))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(30))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 6: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 825<br> -SubTopic 10<br> -Section 50<br> -Paragraph 28<br> -Subparagraph (f)<br> -URI http://asc.fasb.org/extlink&amp;oid=75031198&amp;loc=d3e14064-108612<br><br>Reference 7: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 323<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=114001798&amp;loc=d3e33918-111571<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StockholdersEquity</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StockholdersEquityAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StockholdersEquityAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 250<br> -SubTopic 10<br> -Section 45<br> -Paragraph 24<br> -URI http://asc.fasb.org/extlink&amp;oid=115929471&amp;loc=d3e21930-107793<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 830<br> -SubTopic 30<br> -Section 45<br> -Paragraph 17<br> -URI http://asc.fasb.org/extlink&amp;oid=118261656&amp;loc=d3e32136-110900<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.3-04)<br> -URI http://asc.fasb.org/extlink&amp;oid=120397183&amp;loc=d3e187085-122770<br><br>Reference 4: 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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139949238086072">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Consolidated Balance Sheets (Parenthetical) - $ / shares<br></strong></div></th>
<th class="th"><div>Mar. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementOfFinancialPositionAbstract', window );"><strong>Statement of Financial Position [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PreferredStockParOrStatedValuePerShare', window );">Preferred stock, par value</a></td>
<td class="nump">$ 0.0001<span></span>
</td>
<td class="nump">$ 0.0001<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PreferredStockSharesAuthorized', window );">Preferred stock, shares authorized</a></td>
<td class="nump">24,984,166<span></span>
</td>
<td class="nump">24,984,166<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PreferredStockSharesOutstanding', window );">Preferred stock, shares outstanding</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CommonStockParOrStatedValuePerShare', window );">Common stock, par value</a></td>
<td class="nump">$ 0.0001<span></span>
</td>
<td class="nump">$ 0.0001<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CommonStockSharesAuthorized', window );">Common stock, shares authorized</a></td>
<td class="nump">75,000,000<span></span>
</td>
<td class="nump">75,000,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CommonStockSharesIssued', window );">Common stock, shares issued</a></td>
<td class="nump">13,023,330<span></span>
</td>
<td class="nump">12,591,084<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CommonStockSharesOutstanding', window );">Common stock, shares outstanding</a></td>
<td class="nump">13,023,330<span></span>
</td>
<td class="nump">12,591,084<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CommonStockParOrStatedValuePerShare">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Face amount or stated value per share of common stock.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(29))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CommonStockParOrStatedValuePerShare</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CommonStockSharesAuthorized">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The maximum number of common shares permitted to be issued by an entity's charter and bylaws.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(29))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CommonStockSharesAuthorized</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CommonStockSharesIssued">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(29))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CommonStockSharesIssued</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CommonStockSharesOutstanding">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=109259400&amp;loc=d3e21463-112644<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(29))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CommonStockSharesOutstanding</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PreferredStockParOrStatedValuePerShare">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(28))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PreferredStockParOrStatedValuePerShare</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PreferredStockSharesAuthorized">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(28))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PreferredStockSharesAuthorized</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PreferredStockSharesOutstanding">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(28))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PreferredStockSharesOutstanding</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StatementOfFinancialPositionAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StatementOfFinancialPositionAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
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<td><strong> Period Type:</strong></td>
<td>duration</td>
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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139949238186920">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Consolidated Statements of Operations - USD ($)<br></strong></div></th>
<th class="th" colspan="2">3 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Mar. 31, 2021</div></th>
<th class="th"><div>Mar. 31, 2020</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenuesAbstract', window );"><strong>REVENUE</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax', window );">Revenue</a></td>
<td class="nump">$ 291,676<span></span>
</td>
<td class="nump">$ 1,005,511<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingExpensesAbstract', window );"><strong>OPERATING EXPENSES</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SellingGeneralAndAdministrativeExpense', window );">Marketing, general and administrative</a></td>
<td class="nump">1,291,614<span></span>
</td>
<td class="nump">1,397,385<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_OperationsAndResearchExpense', window );">Operations and research</a></td>
<td class="nump">1,797,437<span></span>
</td>
<td class="nump">2,456,164<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CostsAndExpenses', window );">Total operating expenses</a></td>
<td class="nump">3,089,051<span></span>
</td>
<td class="nump">3,853,549<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingIncomeLoss', window );">INCOME (LOSS) FROM OPERATIONS</a></td>
<td class="num">(2,797,375)<span></span>
</td>
<td class="num">(2,848,038)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NonoperatingIncomeExpenseAbstract', window );"><strong>OTHER INCOME (EXPENSE)</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InterestExpense', window );">Interest expense</a></td>
<td class="num">(2,380,476)<span></span>
</td>
<td class="num">(1,335,618)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_GainLossOnDerivativeInstrumentsNetPretax', window );">Loss in hybrid-instrument fair value</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(203,115)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherNonoperatingIncomeExpense', window );">Other</a></td>
<td class="nump">54,385<span></span>
</td>
<td class="nump">42,049<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NonoperatingIncomeExpense', window );">Total other income (expense)</a></td>
<td class="num">(2,326,091)<span></span>
</td>
<td class="num">(1,496,684)<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments', window );">(LOSS) BEFORE INCOME TAXES</a></td>
<td class="num">(5,123,466)<span></span>
</td>
<td class="num">(4,344,722)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxExpenseBenefit', window );">Income tax benefit (provision)</a></td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProfitLoss', window );">NET (LOSS) BEFORE NON-CONTROLLING INTEREST</a></td>
<td class="num">(5,123,466)<span></span>
</td>
<td class="num">(4,344,722)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest', window );">Non-controlling interest</a></td>
<td class="nump">1,403,248<span></span>
</td>
<td class="nump">1,446,746<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetIncomeLoss', window );">NET (LOSS)</a></td>
<td class="num">$ (3,720,218)<span></span>
</td>
<td class="num">$ (2,897,976)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EarningsPerShareAbstract', window );"><strong>NET (LOSS) PER SHARE</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EarningsPerShareBasicAndDiluted', window );">Basic and diluted (See NOTE B)</a></td>
<td class="num">$ (0.29)<span></span>
</td>
<td class="num">$ (0.30)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract', window );"><strong>Weighted average number of common shares outstanding</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic', window );">Basic</a></td>
<td class="nump">12,610,924<span></span>
</td>
<td class="nump">9,517,664<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding', window );">Diluted</a></td>
<td class="nump">12,610,924<span></span>
</td>
<td class="nump">9,517,664<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_ProductOrServiceAxis=omex_MarineServicesMember', window );">Marine Services [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenuesAbstract', window );"><strong>REVENUE</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax', window );">Revenue</a></td>
<td class="nump">$ 35,354<span></span>
</td>
<td class="nump">$ 711,120<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_ProductOrServiceAxis=omex_OperatingAndOtherMember', window );">Operating and other [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenuesAbstract', window );"><strong>REVENUE</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax', window );">Revenue</a></td>
<td class="nump">$ 256,322<span></span>
</td>
<td class="nump">$ 294,391<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_OperationsAndResearchExpense">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The aggregate costs incurred (1) for the marine operating costs such as vessel and related equipment operations and maintenance, crew and technical labor, fuel, provisions and supplies, port fees and depreciation, costs related to operating and supporting the attraction exhibit and (2) in a planned search or critical investigation aimed at discovery of new or additional knowledge with the belief that such knowledge will be useful in assisting in the location of targeted sites.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_OperationsAndResearchExpense</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>omex_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CostsAndExpenses">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Total costs of sales and operating expenses for the period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03)<br> -URI http://asc.fasb.org/extlink&amp;oid=120395209&amp;loc=SL114868664-224227<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CostsAndExpenses</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_EarningsPerShareAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EarningsPerShareAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_EarningsPerShareBasicAndDiluted">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The amount of net income or loss for the period per each share in instances when basic and diluted earnings per share are the same amount and reported as a single line item on the face of the financial statements.  Basic earnings per share is the amount of net income or loss for the period per each share of common stock or unit outstanding during the reporting period.  Diluted earnings per share includes the amount of net income or loss for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 45<br> -Paragraph 7<br> -URI http://asc.fasb.org/extlink&amp;oid=121326447&amp;loc=d3e1337-109256<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EarningsPerShareBasicAndDiluted</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_GainLossOnDerivativeInstrumentsNetPretax">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Aggregate net gain (loss) on all derivative instruments recognized in earnings during the period, before tax effects.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 815<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4A<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=121590274&amp;loc=SL5618551-113959<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_GainLossOnDerivativeInstrumentsNetPretax</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of income (loss) from continuing operations before deduction of income tax expense (benefit) and income (loss) attributable to noncontrolling interest, and addition of income (loss) from equity method investments.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 32<br> -Subparagraph (f)<br> -URI http://asc.fasb.org/extlink&amp;oid=120311839&amp;loc=d3e8933-108599<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 32<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=120311839&amp;loc=d3e8933-108599<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 30<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=120311839&amp;loc=d3e8906-108599<br><br>Reference 4: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 31<br> -URI http://asc.fasb.org/extlink&amp;oid=120311839&amp;loc=d3e8924-108599<br><br>Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08.(h)(1)(i))<br> -URI http://asc.fasb.org/extlink&amp;oid=120395691&amp;loc=d3e23780-122690<br><br>Reference 6: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 22<br> -URI http://asc.fasb.org/extlink&amp;oid=120311839&amp;loc=d3e8736-108599<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeTaxExpenseBenefit">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB TOPIC 6.I.7)<br> -URI http://asc.fasb.org/extlink&amp;oid=116825942&amp;loc=d3e330036-122817<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 10<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32672-109319<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 22<br> -Subparagraph (h)<br> -URI http://asc.fasb.org/extlink&amp;oid=120311839&amp;loc=d3e8736-108599<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08(h))<br> -URI http://asc.fasb.org/extlink&amp;oid=120395691&amp;loc=d3e23780-122690<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 250<br> -SubTopic 10<br> -Section 50<br> -Paragraph 9<br> -URI http://asc.fasb.org/extlink&amp;oid=109234566&amp;loc=d3e22663-107794<br><br>Reference 6: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 20<br> -Section 45<br> -Paragraph 2<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=120385591&amp;loc=d3e38679-109324<br><br>Reference 7: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 220<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-04(9))<br> -URI http://asc.fasb.org/extlink&amp;oid=120400993&amp;loc=SL114874131-224263<br><br>Reference 8: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 250<br> -SubTopic 10<br> -Section 50<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=109234566&amp;loc=d3e22658-107794<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeTaxExpenseBenefit</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_InterestExpense">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of the cost of borrowed funds accounted for as interest expense.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 835<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=6450988&amp;loc=d3e26243-108391<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 835<br> -SubTopic 30<br> -Section 45<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=119993939&amp;loc=d3e28555-108399<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 22<br> -Subparagraph (d)<br> -URI http://asc.fasb.org/extlink&amp;oid=120311839&amp;loc=d3e8736-108599<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (210.5-03(11))<br> -URI http://asc.fasb.org/extlink&amp;oid=120395209&amp;loc=SL114868664-224227<br><br>Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 220<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-04.9)<br> -URI http://asc.fasb.org/extlink&amp;oid=120399700&amp;loc=SL114874048-224260<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_InterestExpense</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_NetIncomeLoss">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 1A<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=121641772&amp;loc=SL7669619-108580<br><br>Reference 2: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 31<br> -URI http://asc.fasb.org/extlink&amp;oid=120311839&amp;loc=d3e8924-108599<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 250<br> -SubTopic 10<br> -Section 50<br> -Paragraph 11<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=109234566&amp;loc=d3e22694-107794<br><br>Reference 4: 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-SubTopic 10<br> -Section 50<br> -Paragraph 30<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=120311839&amp;loc=d3e8906-108599<br><br>Reference 18: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 250<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=109234566&amp;loc=d3e22583-107794<br><br>Reference 19: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08(g)(1)(ii))<br> -URI http://asc.fasb.org/extlink&amp;oid=120395691&amp;loc=d3e23780-122690<br><br>Reference 20: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 45<br> -Paragraph 60B<br> -Subparagraph (a)<br> -URI 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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NetIncomeLoss</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of Net Income (Loss) attributable to noncontrolling interest.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 1B<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=121641772&amp;loc=SL7669625-108580<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1A<br> -Subparagraph (a)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=109239629&amp;loc=SL4573702-111684<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 250<br> -SubTopic 10<br> -Section 50<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=109234566&amp;loc=d3e22658-107794<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 1A<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=121641772&amp;loc=SL7669619-108580<br><br>Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 55<br> -Paragraph 4J<br> -URI http://asc.fasb.org/extlink&amp;oid=120409616&amp;loc=SL4591551-111686<br><br>Reference 6: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 250<br> -SubTopic 10<br> -Section 50<br> -Paragraph 9<br> -URI http://asc.fasb.org/extlink&amp;oid=109234566&amp;loc=d3e22663-107794<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NetIncomeLossAttributableToNoncontrollingInterest</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_NonoperatingIncomeExpense">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The aggregate amount of income or expense from ancillary business-related activities (that is to say, excluding major activities considered part of the normal operations of the business).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03.7)<br> -URI http://asc.fasb.org/extlink&amp;oid=120395209&amp;loc=SL114868664-224227<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NonoperatingIncomeExpense</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_NonoperatingIncomeExpenseAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NonoperatingIncomeExpenseAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OperatingExpensesAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OperatingExpensesAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OperatingIncomeLoss">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The net result for the period of deducting operating expenses from operating revenues.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 31<br> -URI http://asc.fasb.org/extlink&amp;oid=120311839&amp;loc=d3e8924-108599<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 30<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=120311839&amp;loc=d3e8906-108599<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 32<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=120311839&amp;loc=d3e8933-108599<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 32<br> -Subparagraph (f)<br> -URI http://asc.fasb.org/extlink&amp;oid=120311839&amp;loc=d3e8933-108599<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 22<br> -URI http://asc.fasb.org/extlink&amp;oid=120311839&amp;loc=d3e8736-108599<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OperatingIncomeLoss</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OtherNonoperatingIncomeExpense">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of income (expense) related to nonoperating activities, classified as other.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03.9)<br> -URI http://asc.fasb.org/extlink&amp;oid=120395209&amp;loc=SL114868664-224227<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OtherNonoperatingIncomeExpense</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ProfitLoss">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08(g)(1)(ii))<br> -URI http://asc.fasb.org/extlink&amp;oid=120395691&amp;loc=d3e23780-122690<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 1A<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=121641772&amp;loc=SL7669619-108580<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 7<br> -URI 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-Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 45<br> -Paragraph 19<br> -URI http://asc.fasb.org/extlink&amp;oid=108774443&amp;loc=SL4569616-111683<br><br>Reference 18: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 323<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=114001798&amp;loc=d3e33918-111571<br><br>Reference 19: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 32<br> -Subparagraph (f)<br> -URI http://asc.fasb.org/extlink&amp;oid=120311839&amp;loc=d3e8933-108599<br><br>Reference 20: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 55<br> -Paragraph 4K<br> -URI http://asc.fasb.org/extlink&amp;oid=120409616&amp;loc=SL4591552-111686<br><br>Reference 21: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 250<br> -SubTopic 10<br> -Section 50<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=109234566&amp;loc=d3e22658-107794<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ProfitLoss</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, including tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value-added and excise.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 41<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=120311839&amp;loc=d3e9038-108599<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 606<br> -SubTopic 10<br> -Section 50<br> -Paragraph 5<br> -URI http://asc.fasb.org/extlink&amp;oid=121604090&amp;loc=SL49130545-203045<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 32<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=120311839&amp;loc=d3e8933-108599<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 32<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=120311839&amp;loc=d3e8933-108599<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 30<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=120311839&amp;loc=d3e8906-108599<br><br>Reference 6: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 22<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=120311839&amp;loc=d3e8736-108599<br><br>Reference 7: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 22<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=120311839&amp;loc=d3e8736-108599<br><br>Reference 8: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 606<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=121604090&amp;loc=SL49130543-203045<br><br>Reference 9: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 42<br> -URI http://asc.fasb.org/extlink&amp;oid=120311839&amp;loc=d3e9054-108599<br><br>Reference 10: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 40<br> -URI http://asc.fasb.org/extlink&amp;oid=120311839&amp;loc=d3e9031-108599<br><br>Reference 11: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 924<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB Topic 11.L)<br> -URI http://asc.fasb.org/extlink&amp;oid=6472922&amp;loc=d3e499488-122856<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RevenuesAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RevenuesAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_SellingGeneralAndAdministrativeExpense">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03.4)<br> -URI http://asc.fasb.org/extlink&amp;oid=120395209&amp;loc=SL114868664-224227<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_SellingGeneralAndAdministrativeExpense</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=6371337&amp;loc=d3e3550-109257<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 45<br> -Paragraph 16<br> -URI http://asc.fasb.org/extlink&amp;oid=121326447&amp;loc=d3e1505-109256<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=6371337&amp;loc=d3e3550-109257<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 45<br> -Paragraph 10<br> -URI http://asc.fasb.org/extlink&amp;oid=121326447&amp;loc=d3e1448-109256<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_WeightedAverageNumberOfSharesOutstandingBasic</td>
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<td>us-gaap_</td>
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<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
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<td><strong> Balance Type:</strong></td>
<td>na</td>
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<tr>
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<td>duration</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_ProductOrServiceAxis=omex_MarineServicesMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
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<td style="white-space:nowrap;">srt_ProductOrServiceAxis=omex_MarineServicesMember</td>
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<td></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
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<td><strong> Balance Type:</strong></td>
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<td><strong> Period Type:</strong></td>
<td></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_ProductOrServiceAxis=omex_OperatingAndOtherMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
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<tr>
<td><strong> Period Type:</strong></td>
<td></td>
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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139949240407896">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Consolidated Statements of Changes in Stockholder's Equity / (Deficit) - USD ($)<br></strong></div></th>
<th class="th"><div>Total</div></th>
<th class="th"><div>Common Stock [Member]</div></th>
<th class="th"><div>Additional Paid-in Capital [Member]</div></th>
<th class="th"><div>Accumulated Deficit [Member]</div></th>
<th class="th"><div>Non-controlling Interest [Member]</div></th>
</tr>
<tr class="rc">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest', window );">Beginning Balance at Dec. 31, 2019</a></td>
<td class="num">$ (53,297,416)<span></span>
</td>
<td class="nump">$ 948<span></span>
</td>
<td class="nump">$ 221,027,057<span></span>
</td>
<td class="num">$ (250,322,307)<span></span>
</td>
<td class="num">$ (24,003,114)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockGrantedDuringPeriodValueSharebasedCompensation', window );">Share-based compensation</a></td>
<td class="nump">383,764<span></span>
</td>
<td class="nump">6<span></span>
</td>
<td class="nump">383,758<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AdjustmentsToAdditionalPaidInCapitalWarrantIssued', window );">Fair value of warrants issued</a></td>
<td class="nump">796,812<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">796,812<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProfitLoss', window );">Net (loss)</a></td>
<td class="num">(4,344,722)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(2,897,976)<span></span>
</td>
<td class="num">(1,446,746)<span></span>
</td>
</tr>
<tr class="rc">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest', window );">Ending Balance at Mar. 31, 2020</a></td>
<td class="num">(56,461,562)<span></span>
</td>
<td class="nump">954<span></span>
</td>
<td class="nump">222,207,627<span></span>
</td>
<td class="num">(253,220,283)<span></span>
</td>
<td class="num">(25,449,860)<span></span>
</td>
</tr>
<tr class="rc">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest', window );">Beginning Balance at Dec. 31, 2020</a></td>
<td class="num">(57,911,273)<span></span>
</td>
<td class="nump">1,259<span></span>
</td>
<td class="nump">237,505,357<span></span>
</td>
<td class="num">(265,134,462)<span></span>
</td>
<td class="num">(30,283,427)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockGrantedDuringPeriodValueSharebasedCompensation', window );">Share-based compensation</a></td>
<td class="nump">281,688<span></span>
</td>
<td class="nump">1<span></span>
</td>
<td class="nump">281,687<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockIssuedDuringPeriodValueConversionOfConvertibleSecurities', window );">Common stock issued for converted convertible debt</a></td>
<td class="nump">1,448,697<span></span>
</td>
<td class="nump">41<span></span>
</td>
<td class="nump">1,448,656<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockIssuedDuringPeriodValueIssuedForServices', window );">Common stock issued for services</a></td>
<td class="nump">100,000<span></span>
</td>
<td class="nump">1<span></span>
</td>
<td class="nump">99,999<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SaleOfStockConsiderationReceivedPerTransaction', window );">Sale of subsidiary equity</a></td>
<td class="nump">713,879<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">713,879<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProfitLoss', window );">Net (loss)</a></td>
<td class="num">(5,123,466)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(3,720,218)<span></span>
</td>
<td class="num">(1,403,248)<span></span>
</td>
</tr>
<tr class="rc">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest', window );">Ending Balance at Mar. 31, 2021</a></td>
<td class="num">$ (60,490,475)<span></span>
</td>
<td class="nump">$ 1,302<span></span>
</td>
<td class="nump">$ 240,049,578<span></span>
</td>
<td class="num">$ (268,854,680)<span></span>
</td>
<td class="num">$ (31,686,675)<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AdjustmentsToAdditionalPaidInCapitalWarrantIssued">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of increase in additional paid in capital (APIC) resulting from the issuance of warrants. Includes allocation of proceeds of debt securities issued with detachable stock purchase warrants.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 20<br> -Section 25<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=109126253&amp;loc=d3e4724-112606<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=109259400&amp;loc=d3e21463-112644<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.3-04)<br> -URI http://asc.fasb.org/extlink&amp;oid=120397183&amp;loc=d3e187085-122770<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AdjustmentsToAdditionalPaidInCapitalWarrantIssued</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ProfitLoss">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.</p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ProfitLoss</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_SaleOfStockConsiderationReceivedPerTransaction">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of consideration received by subsidiary or equity investee in exchange for shares of stock issued or sold. Includes amount of cash received, fair value of noncash assets received, and fair value of liabilities assumed by the investor.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_SaleOfStockConsiderationReceivedPerTransaction</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StockGrantedDuringPeriodValueSharebasedCompensation">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Value, after forfeiture, of shares granted under share-based payment arrangement. Excludes employee stock ownership plan (ESOP).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 30<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=121321822&amp;loc=d3e3913-113898<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 30<br> -Section 35<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=121323062&amp;loc=d3e15009-113911<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StockGrantedDuringPeriodValueSharebasedCompensation</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StockIssuedDuringPeriodValueConversionOfConvertibleSecurities">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The gross value of stock issued during the period upon the conversion of convertible securities.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=109259400&amp;loc=d3e21463-112644<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.3-04)<br> -URI http://asc.fasb.org/extlink&amp;oid=120397183&amp;loc=d3e187085-122770<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.29-31)<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StockIssuedDuringPeriodValueConversionOfConvertibleSecurities</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StockIssuedDuringPeriodValueIssuedForServices">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Value of stock issued in lieu of cash for services contributed to the entity. Value of the stock issued includes, but is not limited to, services contributed by vendors and founders.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StockIssuedDuringPeriodValueIssuedForServices</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 250<br> -SubTopic 10<br> -Section 45<br> -Paragraph 24<br> -URI http://asc.fasb.org/extlink&amp;oid=115929471&amp;loc=d3e21930-107793<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 830<br> -SubTopic 30<br> -Section 45<br> -Paragraph 17<br> -URI http://asc.fasb.org/extlink&amp;oid=118261656&amp;loc=d3e32136-110900<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.3-04)<br> -URI http://asc.fasb.org/extlink&amp;oid=120397183&amp;loc=d3e187085-122770<br><br>Reference 4: 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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139949237521864">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Consolidated Statements of Cash Flows - USD ($)<br></strong></div></th>
<th class="th" colspan="2">3 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Mar. 31, 2021</div></th>
<th class="th"><div>Mar. 31, 2020</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract', window );"><strong>CASH FLOWS FROM OPERATING ACTIVITIES:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProfitLoss', window );">Net loss before non-controlling interest</a></td>
<td class="num">$ (5,123,466)<span></span>
</td>
<td class="num">$ (4,344,722)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract', window );"><strong>Adjustments to reconcile net loss to net cash (used) by operating activities:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeLossFromEquityMethodInvestments', window );">Investment in unconsolidated entity</a></td>
<td class="num">(256,323)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Depreciation', window );">Depreciation and amortization</a></td>
<td class="nump">1,833<span></span>
</td>
<td class="nump">2,760<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncreaseDecreaseInInterestPayableNet', window );">Note payable interest accretion</a></td>
<td class="num">(45,204)<span></span>
</td>
<td class="num">(54,890)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtRelatedCommitmentFeesAndDebtIssuanceCosts', window );">Financed lender fees amortization</a></td>
<td class="nump">28,982<span></span>
</td>
<td class="nump">8,511<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_OperatingLeaseRightOfUseAssetAmortization', window );">Right of use asset amortization</a></td>
<td class="nump">35,179<span></span>
</td>
<td class="nump">32,063<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensation', window );">Share-based compensation</a></td>
<td class="nump">281,687<span></span>
</td>
<td class="nump">105,162<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_GainLossOnDerivativeInstrumentsNetPretax', window );">Change in derivatives liabilities fair value</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">203,115<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncreaseDecreaseInOperatingAssetsAbstract', window );"><strong>(Increase) decrease in:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncreaseDecreaseInAccountsReceivable', window );">Accounts receivable</a></td>
<td class="num">(60,734)<span></span>
</td>
<td class="num">(201,013)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncreaseDecreaseInOtherOperatingAssets', window );">Other assets</a></td>
<td class="nump">87,152<span></span>
</td>
<td class="nump">46,862<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncreaseDecreaseInOperatingLiabilitiesAbstract', window );"><strong>Increase (decrease) in:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncreaseDecreaseInAccountsPayable', window );">Accounts payable</a></td>
<td class="nump">389,674<span></span>
</td>
<td class="nump">676,166<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncreaseDecreaseInAccruedLiabilities', window );">Accrued expenses and other</a></td>
<td class="nump">3,230,064<span></span>
</td>
<td class="nump">2,019,293<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetCashProvidedByUsedInOperatingActivities', window );">NET CASH (USED) BY OPERATING ACTIVITIES</a></td>
<td class="num">(1,431,156)<span></span>
</td>
<td class="num">(1,506,693)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract', window );"><strong>CASH FLOWS FROM INVESTING ACTIVITIES:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment', window );">Purchase of property and equipment</a></td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetCashProvidedByUsedInInvestingActivities', window );">NET CASH (USED) PROVIDED BY INVESTING ACTIVITIES</a></td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract', window );"><strong>CASH FLOWS FROM FINANCING ACTIVITIES:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProceedsFromIssuanceOfLongTermDebt', window );">Proceeds from issuance of notes payable</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">1,869,677<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_PaymentOfOperatingLeaseLiability', window );">Operating lease liability reduction</a></td>
<td class="num">(33,668)<span></span>
</td>
<td class="num">(29,127)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_ProceedsFromSaleOfEquityOfSubsidiary', window );">Sale of subsidiary equity</a></td>
<td class="nump">713,879<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RepaymentsOfDebt', window );">Repayment of debt obligations</a></td>
<td class="num">(177,438)<span></span>
</td>
<td class="num">(109,958)<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetCashProvidedByUsedInFinancingActivities', window );">NET CASH PROVIDED BY FINANCING ACTIVITIES</a></td>
<td class="nump">502,773<span></span>
</td>
<td class="nump">1,730,592<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect', window );">NET INCREASE (DECREASE) IN CASH</a></td>
<td class="num">(928,383)<span></span>
</td>
<td class="nump">223,899<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents', window );">CASH AT BEGINNING OF PERIOD</a></td>
<td class="nump">6,163,205<span></span>
</td>
<td class="nump">213,389<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents', window );">CASH AT END OF PERIOD</a></td>
<td class="nump">5,234,822<span></span>
</td>
<td class="nump">437,288<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SupplementalCashFlowInformationAbstract', window );"><strong>SUPPLEMENTARY INFORMATION:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InterestPaidNet', window );">Interest paid</a></td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxesPaid', window );">Income taxes paid</a></td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract', window );"><strong>NON-CASH TRANSACTIONS:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockIssued1', window );">Director compensation settled with equity</a></td>
<td class="nump">$ 100,000<span></span>
</td>
<td class="nump">278,602<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_CommonStockAccruedInterestWriteoff', window );">Accrued interest settled with common stock</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 34,520<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_CommonStockAccruedInterestWriteoff">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Accrued interest settled with common stock.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_CommonStockAccruedInterestWriteoff</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>omex_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_OperatingLeaseRightOfUseAssetAmortization">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Operating lease right of use asset amortization.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_OperatingLeaseRightOfUseAssetAmortization</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>omex_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_PaymentOfOperatingLeaseLiability">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Payment of operating lease liability.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_PaymentOfOperatingLeaseLiability</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>omex_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_ProceedsFromSaleOfEquityOfSubsidiary">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Proceeds from sale of equity of subsidiary.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_ProceedsFromSaleOfEquityOfSubsidiary</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>omex_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage. Excludes amount for disposal group and discontinued operations. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 24<br> -URI http://asc.fasb.org/extlink&amp;oid=121586364&amp;loc=d3e3521-108585<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=121586364&amp;loc=d3e3044-108585<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 50<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=121583591&amp;loc=SL98516268-108586<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of increase (decrease) in cash, cash equivalents, and cash and cash equivalents restricted to withdrawal or usage; including effect from exchange rate change. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 830<br> -SubTopic 230<br> -Section 45<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=98513438&amp;loc=d3e33268-110906<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 24<br> -URI http://asc.fasb.org/extlink&amp;oid=121586364&amp;loc=d3e3521-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtRelatedCommitmentFeesAndDebtIssuanceCosts">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Represents the charge against earnings during the period for commitment fees and debt issuance expenses.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03.8)<br> -URI http://asc.fasb.org/extlink&amp;oid=120395209&amp;loc=SL114868664-224227<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtRelatedCommitmentFeesAndDebtIssuanceCosts</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_Depreciation">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=6391035&amp;loc=d3e2868-110229<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=121586364&amp;loc=d3e3602-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_Depreciation</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_GainLossOnDerivativeInstrumentsNetPretax">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Aggregate net gain (loss) on all derivative instruments recognized in earnings during the period, before tax effects.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 815<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4A<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=121590274&amp;loc=SL5618551-113959<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_GainLossOnDerivativeInstrumentsNetPretax</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeLossFromEquityMethodInvestments">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of income (loss) for proportionate share of equity method investee's income (loss).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03(12))<br> -URI http://asc.fasb.org/extlink&amp;oid=120395209&amp;loc=SL114868664-224227<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 220<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-04(10))<br> -URI http://asc.fasb.org/extlink&amp;oid=120400993&amp;loc=SL114874131-224263<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=121586364&amp;loc=d3e3602-108585<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 220<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-04(13)(f))<br> -URI http://asc.fasb.org/extlink&amp;oid=120399700&amp;loc=SL114874048-224260<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 22<br> -Subparagraph (g)<br> -URI http://asc.fasb.org/extlink&amp;oid=120311839&amp;loc=d3e8736-108599<br><br>Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 323<br> -SubTopic 10<br> -Section 45<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=109237563&amp;loc=d3e33749-111570<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeLossFromEquityMethodInvestments</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeTaxesPaid">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=121583591&amp;loc=d3e4297-108586<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 25<br> -Subparagraph (f)<br> -URI http://asc.fasb.org/extlink&amp;oid=121586364&amp;loc=d3e3536-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeTaxesPaid</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncreaseDecreaseInAccountsPayable">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The increase (decrease) during the reporting period in the aggregate amount of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=121586364&amp;loc=d3e3602-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncreaseDecreaseInAccountsPayable</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncreaseDecreaseInAccountsReceivable">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The increase (decrease) during the reporting period in amount due within one year (or one business cycle) from customers for the credit sale of goods and services.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=121586364&amp;loc=d3e3602-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncreaseDecreaseInAccountsReceivable</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncreaseDecreaseInAccruedLiabilities">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The increase (decrease) during the reporting period in the aggregate amount of expenses incurred but not yet paid.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=121586364&amp;loc=d3e3602-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncreaseDecreaseInAccruedLiabilities</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncreaseDecreaseInInterestPayableNet">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The increase (decrease) during the reporting period in interest payable, which represents the amount owed to note holders, bond holders, and other parties for interest earned on loans or credit extended to the reporting entity.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=121586364&amp;loc=d3e3602-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncreaseDecreaseInInterestPayableNet</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncreaseDecreaseInOperatingAssetsAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncreaseDecreaseInOperatingAssetsAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncreaseDecreaseInOperatingLiabilitiesAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncreaseDecreaseInOperatingLiabilitiesAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncreaseDecreaseInOtherOperatingAssets">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of increase (decrease) in operating assets classified as other.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=121586364&amp;loc=d3e3602-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncreaseDecreaseInOtherOperatingAssets</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_InterestPaidNet">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of cash paid for interest, excluding capitalized interest, classified as operating activity. Includes, but is not limited to, payment to settle zero-coupon bond for accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=121583591&amp;loc=d3e4297-108586<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 17<br> -Subparagraph (d)<br> -URI http://asc.fasb.org/extlink&amp;oid=121586364&amp;loc=d3e3367-108585<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 25<br> -Subparagraph (e)<br> -URI http://asc.fasb.org/extlink&amp;oid=121586364&amp;loc=d3e3536-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_InterestPaidNet</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_NetCashProvidedByUsedInFinancingActivities">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 24<br> -URI http://asc.fasb.org/extlink&amp;oid=121586364&amp;loc=d3e3521-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NetCashProvidedByUsedInFinancingActivities</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_NetCashProvidedByUsedInInvestingActivities">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 24<br> -URI http://asc.fasb.org/extlink&amp;oid=121586364&amp;loc=d3e3521-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NetCashProvidedByUsedInInvestingActivities</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_NetCashProvidedByUsedInOperatingActivities">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 25<br> -URI http://asc.fasb.org/extlink&amp;oid=121586364&amp;loc=d3e3536-108585<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 24<br> -URI http://asc.fasb.org/extlink&amp;oid=121586364&amp;loc=d3e3521-108585<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -URI http://asc.fasb.org/extlink&amp;oid=121586364&amp;loc=d3e3602-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NetCashProvidedByUsedInOperatingActivities</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 13<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=121586364&amp;loc=d3e3213-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PaymentsToAcquirePropertyPlantAndEquipment</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td><strong> Data Type:</strong></td>
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<td><strong> Balance Type:</strong></td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ProceedsFromIssuanceOfLongTermDebt">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 14<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=121586364&amp;loc=d3e3255-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ProceedsFromIssuanceOfLongTermDebt</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ProfitLoss">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08(g)(1)(ii))<br> -URI http://asc.fasb.org/extlink&amp;oid=120395691&amp;loc=d3e23780-122690<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 1A<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=121641772&amp;loc=SL7669619-108580<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 7<br> -URI 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-Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 45<br> -Paragraph 19<br> -URI http://asc.fasb.org/extlink&amp;oid=108774443&amp;loc=SL4569616-111683<br><br>Reference 18: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 323<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=114001798&amp;loc=d3e33918-111571<br><br>Reference 19: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 32<br> -Subparagraph (f)<br> -URI http://asc.fasb.org/extlink&amp;oid=120311839&amp;loc=d3e8933-108599<br><br>Reference 20: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 55<br> -Paragraph 4K<br> -URI 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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ProfitLoss</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
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<td><strong> Balance Type:</strong></td>
<td>credit</td>
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<td><strong> Period Type:</strong></td>
<td>duration</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RepaymentsOfDebt">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 15<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=121586364&amp;loc=d3e3291-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RepaymentsOfDebt</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
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</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensation">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of noncash expense for share-based payment arrangement.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=121586364&amp;loc=d3e3602-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensation</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StockIssued1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The fair value of stock issued in noncash financing activities.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=121583591&amp;loc=d3e4304-108586<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 50<br> -Paragraph 5<br> -URI http://asc.fasb.org/extlink&amp;oid=121583591&amp;loc=d3e4332-108586<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=121583591&amp;loc=d3e4313-108586<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StockIssued1</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td>xbrli:monetaryItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_SupplementalCashFlowInformationAbstract</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td>xbrli:stringItemType</td>
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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139949239883448">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Consolidated Statements of Cash Flows (Parenthetical) - USD ($)<br></strong></div></th>
<th class="th" colspan="2">3 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Mar. 31, 2021</div></th>
<th class="th"><div>Mar. 31, 2020</div></th>
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<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentUnamortizedDiscount', window );">Debt discount amount</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 796,812<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LitigationStatusAxis=omex_NonCashLitigationFinancingMember', window );">Non-cash litigation financing</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LitigationSettlementAmountAwardedFromOtherParty', window );">Amount settlement from vendor</a></td>
<td class="nump">$ 577,539<span></span>
</td>
<td class="nump">899,277<span></span>
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<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_LenderFinancedDebtFees', window );">Lender financed debt fees</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 200,000<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentAxis=omex_EpsilonAcquisitionsLLCMember', window );">Epsilon Acquisitions, LLC [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ConversionOfStockAmountConverted1', window );">Conversion of stock, amount converted</a></td>
<td class="nump">$ 1,448,697<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentConvertibleConversionPrice1', window );">Exercise price</a></td>
<td class="nump">$ 3.52<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ConversionOfStockSharesIssued1', window );">Conversion of stock, shares Issued</a></td>
<td class="nump">411,562<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_LenderFinancedDebtFees">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Lender financed debt fees.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_LenderFinancedDebtFees</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>omex_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ConversionOfStockAmountConverted1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The value of the stock converted in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=121583591&amp;loc=d3e4313-108586<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 50<br> -Paragraph 5<br> -URI http://asc.fasb.org/extlink&amp;oid=121583591&amp;loc=d3e4332-108586<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=121583591&amp;loc=d3e4304-108586<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ConversionOfStockAmountConverted1</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The number of new shares issued in the conversion of stock in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 50<br> -Paragraph 5<br> -URI http://asc.fasb.org/extlink&amp;oid=121583591&amp;loc=d3e4332-108586<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=121583591&amp;loc=d3e4313-108586<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=121583591&amp;loc=d3e4304-108586<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ConversionOfStockSharesIssued1</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
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</div></td></tr>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The price per share of the conversion feature embedded in the debt instrument.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 20<br> -Section 50<br> -Paragraph 5<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=120520924&amp;loc=SL6031898-161870<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentConvertibleConversionPrice1</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td><strong> Data Type:</strong></td>
<td>num:perShareItemType</td>
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<td><strong> Balance Type:</strong></td>
<td>na</td>
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<td><strong> Period Type:</strong></td>
<td>instant</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, after accumulated amortization, of debt discount.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 835<br> -SubTopic 30<br> -Section 45<br> -Paragraph 1A<br> -URI http://asc.fasb.org/extlink&amp;oid=119993939&amp;loc=d3e28541-108399<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 835<br> -SubTopic 30<br> -Section 55<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=114775985&amp;loc=d3e28878-108400<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentUnamortizedDiscount</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td>xbrli:monetaryItemType</td>
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<td><strong> Balance Type:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount awarded from other party in judgment or settlement of litigation.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LitigationSettlementAmountAwardedFromOtherParty</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LitigationStatusAxis=omex_NonCashLitigationFinancingMember</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
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<td><strong> Balance Type:</strong></td>
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<td><strong> Period Type:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
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<td><strong> Name:</strong></td>
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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139949244676760">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Basis of Presentation<br></strong></div></th>
<th class="th" colspan="1">3 Months Ended</th>
</tr>
<tr><th class="th"><div>Mar. 31, 2021</div></th></tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract', window );"><strong>Organization, Consolidation and Presentation of Financial Statements [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock', window );">Basis of Presentation</a></td>
<td class="text"><div style="font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"><div style="display:inline;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-weight:bold;display:inline;">NOTE A - BASIS OF PRESENTATION </div></div></div></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"><div style="display:inline;">The accompanying unaudited consolidated financial statements of Odyssey Marine Exploration, Inc. and subsidiaries (the &#8220;Company,&#8221; &#8220;Odyssey,&#8221; &#8220;us,&#8221; &#8220;we&#8221; or &#8220;our&#8221;) have been prepared in accordance with the rules and regulations of the Securities and Exchange Commission and the instructions to <div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;">Form&#160;10-Q</div> and, therefore, do not include all information and footnotes normally included in financial statements prepared in accordance with generally accepted accounting principles. These interim consolidated financial statements should be read in conjunction with the consolidated financial statements and notes included in the Company&#8217;s Annual Report on <div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;">Form&#160;10-K</div> for the year ended December&#160;31, 2020. </div></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"><div style="display:inline;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">In the opinion of management, these financial statements reflect all adjustments, including normal recurring adjustments, necessary for a fair presentation of the financial position as of March&#160;31, 2021 and 2020 and the results of operations and cash flows for the interim periods presented. Operating results for the three-month periods ended March&#160;31, 2021 and 2021 are not necessarily indicative of the results that may be expected for the full year. </div></div></div> <div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"><div style="display:inline;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-weight:bold;display:inline;"><div style="font-style:italic;display:inline;;font-style:italic;display:inline;">Accounting standards not yet applied </div></div></div></div></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"><div style="display:inline;">In August 2020, the Financial Accounting Standards Board (FASB) issued Accounting Standards Update (ASU) <div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;">No.&#160;2020-06,</div> Debt-Debt with Conversion and Other Options (Subtopic <div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;">470-20)</div> and Derivatives and Hedging-Contracts in Entity&#8217;s Own Equity (Subtopic <div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;">815-40).</div> The amendments in the update are effective for public business entities that meet the definition of a Securities and Exchange Commission (SEC) filer, excluding entities eligible to be smaller reporting companies as defined by the SEC, for fiscal years beginning after December&#160;15, 2021, including interim periods within those fiscal years. For all other entities, the amendments are effective for fiscal years beginning after December&#160;15, 2023, including interim periods within those fiscal years. Early adoption is permitted, but no earlier than fiscal years beginning after December&#160;15, 2020, including interim periods within those fiscal years. The FASB specified that an entity should adopt the guidance as of the beginning of its annual fiscal year. </div></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"><div style="display:inline;">The amendments in ASU <div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;">No.&#160;2020-06</div> affect entities that issue convertible instruments and/or contracts in an entity&#8217;s own equity. For convertible instruments, the instruments primarily affected are those issued with beneficial conversion features or cash conversion features because the accounting models for those specific features are removed. However, all entities that issue convertible instruments are affected by the amendments to the disclosure requirements in the update. For contracts in an entity&#8217;s own equity, the contracts primarily affected are freestanding instruments and embedded features that are accounted for as derivatives under the current guidance because of failure to meet the settlement conditions of the derivatives scope exception related to certain requirements of the settlement assessment. The FASB simplified the settlement assessment by removing the requirements (1)&#160;to consider whether the contract would be settled in registered shares, (2)&#160;to consider whether collateral is required to be posted, and (3)&#160;to assess shareholder rights. Those amendments also affect the assessment of whether an embedded conversion feature in a convertible instrument qualifies for the derivatives scope exception. Additionally, the amendments in the update affect the diluted EPS calculation for instruments that may be settled in cash or shares and for convertible instruments. The Company has not elected early adoption of this ASU <div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;">No.&#160;2020-06</div> at this time. </div></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"><div style="display:inline;">On October 31, 2018, the SEC adopted a final rule (&#8220;New Final Rule&#8221;) that will replace SEC&#160;Industry&#160;Guide&#160;7&#160;with new disclosure requirements that are more closely aligned with current industry and global regulatory practices and standards, including NI <div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;">43-101.</div> Companies must comply with the New Final Rule for the company&#8217;s annual filing for first fiscal year beginning on or after January&#160;1, 2021. Although early voluntary compliance with the New Final Rule is permitted, the Company has not elected early adoption of the New Final Rule at this time. </div></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"><div style="display:inline;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">Other recent accounting pronouncements issued by the FASB, the AICPA and the SEC did not or are not believed by management to have a material effect, if any, on the Company&#8217;s financial statements. </div></div></div> <div style="letter-spacing: 0px; top: 0px;;display:inline;"> </div> <div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"> </div><table border="0" style="width:100%; table-layout:fixed;" cellspacing="0" cellpadding="0"><tr><td></td></tr></table><span></span>
</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
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<td style="white-space:nowrap;">us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract</td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The entire disclosure for organization, consolidation and basis of presentation of financial statements disclosure.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -URI http://asc.fasb.org/topic&amp;trid=2122149<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -URI http://asc.fasb.org/topic&amp;trid=2197479<br></p></div>
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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139949246682136">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Summary of Significant Accounting Policies<br></strong></div></th>
<th class="th" colspan="1">3 Months Ended</th>
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<tr><th class="th"><div>Mar. 31, 2021</div></th></tr>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccountingPoliciesAbstract', window );"><strong>Accounting Policies [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SignificantAccountingPoliciesTextBlock', window );">Summary of Significant Accounting Policies</a></td>
<td class="text"><div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-weight:bold;display:inline;">NOTE B - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES </div></div></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">This summary of significant accounting policies of the Company is presented to assist in understanding our consolidated financial statements. The financial statements and notes are representations of the Company&#8217;s management who are responsible for their integrity and objectivity and have prepared them in accordance with our customary accounting practices. </div></div>  <div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-weight:bold;display:inline;">Principles of Consolidation </div></div></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;">The consolidated financial statements include the accounts of the Company and its direct and indirect wholly owned subsidiaries, both domestic and international. Equity investments in which we exercise significant influence but do not control and of which we are not the primary beneficiary are accounted for using the equity method. All significant inter-company and intra-company transactions and balances have been eliminated. The results of operations attributable to the <div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;">non-controlling</div> interest are presented within equity and net income and are shown separately from the Company&#8217;s equity and net income attributable to the Company. Some of the existing inter-company balances, which are eliminated upon consolidation, include features allowing the liability to be converted into equity of a subsidiary, which if exercised, could increase the direct or indirect interest of the Company in the <div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;">non-wholly</div> owned subsidiaries. </div>  <div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-weight:bold;display:inline;">Use of Estimates </div></div></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">Management uses estimates and assumptions in preparing these consolidated financial statements in accordance with U.S. GAAP. Those estimates and assumptions affect the reported amounts of assets and liabilities, the disclosure of contingent assets and liabilities, and the reported revenues and expenses. Actual results could vary from the estimates that were used. </div></div>  <div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"><div style="letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-weight:bold;display:inline;">Reclassifications </div></div></div></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"><div style="letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">Certain reclassifications have been made to the 2020 consolidated financial statements in order to conform to the classifications used in 2021. The reclassifications had no impact to operations or working capital. </div></div></div> <div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"> </div>  <div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"><div style="letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-weight:bold;display:inline;">Revenue Recognition and Accounts Receivable </div></div></div></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"><div style="letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">Revenue is recognized when a customer obtains control of promised goods or services, in an amount that reflects the consideration which the Company expects to receive in exchange for those goods or services. To determine revenue recognition for arrangements that the Company determines are within the scope of ASC Topic 606, the Company performs the following five steps: (i)&#160;identify the contract(s) with a customer; (ii)&#160;identify the performance obligations in the contract; (iii)&#160;determine the transaction price; (iv)&#160;allocate the transaction price to the performance obligations in the contract; and (v)&#160;recognize revenue when (or as) the Company satisfies a performance obligation. The Company only applies the five-step model to contracts when it is probable that the Company will collect the consideration it is entitled to in exchange for the goods or services it transfers to the customer. At contract inception, once the contract is determined to be within the scope of ASC Topic 606, the Company assesses the goods or services promised within each contract and determines those that are performance obligations and assesses whether each promised good or service is distinct. The Company then recognizes as revenue the amount of the transaction price that is allocated to the respective performance obligation when (or as) the performance obligation is satisfied. Sales, value add, and other taxes collected on behalf of third parties are excluded from revenue. </div></div></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"><div style="letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">The Company currently generates revenues from service contracts with customers. Currently, there are two sources of revenue, marine services and other services. The contracts for these services provide research, scientific services, marine operations planning, management execution and project management. These services are billed generally on a monthly basis and recognized as revenue as the services are performed. Revenue is recognized at a point in time as services are provided, as the customers simultaneously receive and consume the benefits provided by the Company each month. The Company generally does not receive any upfront consideration for these services, and there is no variable consideration for the services.&#160;Costs associated with both services include all direct consulting labor, and minimal supplies, and is charged to operations as a component of Operations and Research. </div></div></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"><div style="letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">Accounts receivable are based on amounts billed to customers. Generally accepted accounting principles state an estimate is to be made for an allowance for doubtful accounts. We have determined no allowance is currently necessary. If we were to have a recorded allowance, the accounts receivable would be stated net of the recorded allowance. </div></div></div> <div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"> </div>  <div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-weight:bold;display:inline;">Cash and Cash Equivalents </div></div></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">Cash and cash equivalents include cash on hand and cash in banks. We also consider all highly liquid investments with a maturity of <div style="letter-spacing: 0px; top: 0px;;display:inline;">three</div> months or less when purchased to be cash equivalents. </div></div>  <div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"><div style="letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-weight:bold;display:inline;">Exploration License </div></div></div></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"><div style="letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">The Company follows the guidance pursuant to ASU 350, &#8220;<div style="font-style:italic;display:inline;;font-style:italic;display:inline;">Intangibles-Goodwill and Other</div>&#8221; in accounting for its Exploration License (see NOTE&#160;E). Management determined the rights to use the license to have an indefinite life. This assessment is based on the historical success of renewing the license since 2006, and the fact that management believes there are no legal, regulatory, or contractual provisions that would limit the useful life of the asset. The exploration license is not dependent on another asset or group of assets that could potentially limit the useful life of the exploration license. In the future, the recoverability of the license will be tested whenever circumstances indicate that its carrying amount may not be recoverable per the guidance of the Accounting Standards Codification (&#8220;ASC&#8221;) for topic 360 for Property, Plant and Equipment<div style="font-style:italic;display:inline;;font-style:italic;display:inline;">.</div> </div></div></div> <div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"> </div>  <div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-weight:bold;display:inline;">Long-Lived Assets </div></div></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">Our policy is to recognize impairment losses relating to long-lived assets in accordance with the ASC 360 Property, Plant and Equipment. Decisions are based on several factors, including, but not limited to, management&#8217;s plans for future operations, recent operating results and projected cash flows. Impairment losses are included in depreciation at the time of impairment. We did not have any impairments in 2021 or 2020. </div></div>  <div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-weight:bold;display:inline;">Property and Equipment and Depreciation </div></div></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">Property and equipment is stated at historical cost. Depreciation is calculated using the straight-line method at rates based on the assets&#8217; estimated useful lives which are normally between <div style="letter-spacing: 0px; top: 0px;;display:inline;">three</div> and <div style="letter-spacing: 0px; top: 0px;;display:inline;">thirty</div> years. Leasehold improvements are amortized over their estimated useful lives or lease term, if shorter. Items that may require major overhauls (such as marine equipment) that enhance or extend the useful life of these assets qualify to be capitalized and depreciated over the useful life or remaining life of that asset, whichever was shorter. All other repairs and maintenance were accounted for under the direct-expensing method and are expensed when incurred. </div></div>  <div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-weight:bold;display:inline;">Earnings Per Share </div></div></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;">Basic earnings per share (&#8220;EPS&#8221;) is computed by dividing income available to common stockholders by the weighted-average number of common shares outstanding for the period. In periods when the Company has income, the Company would calculate basic earnings per share using the <div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;">two-class</div> method, if required, pursuant to ASC 260 <div style="font-style:italic;display:inline;;font-style:italic;display:inline;">Earnings Per Share.</div> The <div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;">two-class</div> method was required effective with the issuance of certain senior convertible notes in the past because these notes qualified as a participating security, giving the holder the right to receive dividends should dividends be declared on common stock. Under the <div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;">two-class</div> method, earnings for a period are allocated on a pro rata basis to the common stockholders and to the holders of convertible notes based on the weighted average number of common shares outstanding and number of shares that could be issued upon conversion. The Company does not use the <div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;">two-class</div> method in periods when it generates a loss because the holder of the convertible notes does not participate in losses. Currently, we do not have any outstanding convertible notes that qualify as a participating security. </div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;">Diluted EPS reflects the potential dilution that would occur if dilutive securities and other contracts to issue common stock were exercised or converted into common stock or resulted in the issuance of common stock that then shared in our earnings. We use the <div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;">if-converted</div> method to compute potential common shares from stock options, restricted stock units, warrants, preferred stock, convertible notes or other convertible securities. For diluted earnings per share, the Company uses the more dilutive of the <div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;">if-converted</div> method or <div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;">two-class</div> method. When a net loss occurs, potential common shares have an anti-dilutive effect on earnings per share and such shares are excluded from the diluted EPS calculation. </div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;">For the three-months ended March&#160;31, 2021 and 2020, the weighted average common shares outstanding <div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"><div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;">year-to-date</div></div> were 12,610,924 and 9,517,664, respectively. For the periods in which net losses occurred, all potential common shares were excluded from diluted EPS because the effect of including such shares would be anti-dilutive. </div>  <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;">The potential common shares in the following tables represent potential common shares calculated using the <div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;">if-converted</div> method from outstanding options, stock awards and warrants that were excluded from the calculation of diluted EPS: </div> <div style="font-size: 12pt; margin-top: 0pt; margin-bottom: 0pt;"><div style="font-size: 12pt; letter-spacing: 0px; top: 0px;;display:inline;">&#160;</div></div> <table border="0" cellpadding="0" cellspacing="0" style="font-family: &quot;times new roman&quot;; font-size: 10pt; border-spacing: 0px;;margin : 0px auto;;text-align:left;;width:76%;"><tr style="font-size: 0px;"><td style="width:70%;"></td><td style="vertical-align:bottom;;width:10%;"></td><td></td><td></td><td></td><td style="vertical-align:bottom;;width:10%;"></td><td></td><td></td><td></td></tr><tr style="font-family: times new roman; 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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The entire disclosure for all significant accounting policies of the reporting entity.</p></div>
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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139949246653960">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Accounts Receivable and Other<br></strong></div></th>
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<td class="text"><div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-weight:bold;display:inline;">NOTE C &#8211; ACCOUNTS RECEIVABLE AND OTHER </div></div></div>  <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"><div style="letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">Our accounts receivable consist of the following: </div></div></div> <div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"> </div> <div style="font-size: 12pt; margin-top: 0pt; margin-bottom: 0pt;"><div style="font-size: 12pt; letter-spacing: 0px; top: 0px;;display:inline;">&#160;</div></div> <table border="0" cellpadding="0" cellspacing="0" style="font-family: &quot;times new roman&quot;; 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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139949360559688">
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<td class="text"><div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-weight:bold;display:inline;">NOTE D &#8211; RELATED PARTY TRANSACTIONS </div></div></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"><div style="display:inline;">We currently provide services to a <div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;">deep-sea</div> mineral exploration company, CIC, which was organized and is majority owned and controlled by Greg Stemm, Odyssey&#8217;s past Chairman of the Board.&#160;Mr.&#160;Stemm&#8217;s involvement with this company was disclosed to, and approved by, the Odyssey Board of Directors and legal counsel pursuant to the terms of Mr.&#160;Stemm&#8217;s consulting agreement at that time. We are providing these services pursuant to a Master Services Agreement that provides for&#160;back-office services in exchange for a recurring monthly fee as well as other <div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;">deep-sea</div> mineral related services on a cost-plus profit basis and will be compensated for these services with a combination of cash and equity in CIC. For the 2021 year to date, we invoiced CIC a total of</div> $291,676, <div style="display:inline;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">which was for technical and support services.&#160;We have the option to accept equity in payment of the amounts due from CIC. See NOTE C for related accounts receivable at March&#160;31, 2021 and December&#160;31, 2020 and NOTE F for our investment in an unconsolidated entity. </div></div></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"><div style="display:inline;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">The above terms and amounts are not necessarily indicative of the terms and amounts that would have been incurred had comparable transactions been entered into with independent parties. </div></div></div> <div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"> </div><table border="0" style="width:100%; table-layout:fixed;" cellspacing="0" cellpadding="0"><tr><td></td></tr></table><span></span>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The entire disclosure for related party transactions. Examples of related party transactions include transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners; and (d) affiliates.</p></div>
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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139949342777768">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Exploration License<br></strong></div></th>
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<td class="text">&#160;<span></span>
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<td class="text"><div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-weight:bold;display:inline;">NOTE E &#8211; EXPLORATION LICENSE </div></div></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;">On July&#160;9, 2019 we acquired a 79.9% interest in Bismarck Mining Corporation (PNG) Limited (&#8220;Bismarck&#8221;), a Papua New Guinea company that was organized for the purpose of exploring the deep waters off the coast for precious metals. 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margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;">&#160;</div></td><td style="vertical-align:bottom;"><div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;">&#160;</div></td><td>&#160;</td></tr><tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"><td style="background-color: rgb(204, 238, 255);;vertical-align:top;"><div style="text-indent: -1em; font-family: &quot;times new roman&quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 3em; line-height: normal;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px; background-color: rgb(204, 238, 255);;display:inline;">Total net assets acquired</div></div></td><td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;">&#160;&#160;</td><td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;">$</td><td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;">1,453,766</td><td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;">&#160;</td></tr><tr style="font-size: 1px;"><td style="font-family: &quot;times new roman&quot;;;vertical-align:bottom;">&#160;</td><td style="vertical-align:bottom;">&#160;&#160;</td><td style="vertical-align:bottom;"><div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;">&#160;</div></td><td style="vertical-align:bottom;"><div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;">&#160;</div></td><td>&#160;</td></tr></table> <div style="clear: both; max-height: 0px;"></div> <div style="clear: both; max-height: 0px;"></div>   <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;">Included in this acquisition are the rights to Bismarck&#8217;s exploration license, which is renewable every two years. Per ASC <div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"><div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"><div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;">350-30-35-3,</div></div></div> management has deemed the rights to this license to have an indefinite life. Determining if the rights to the license has an indefinite or finite life required us to consider the nature of the renewal process and any additional economic factors, if any, required when renewing this license. We currently expect to use and renew the related license indefinitely, and we do not believe there are currently any legal, regulatory, or contractual provisions that are expected to limit the useful life of the related exploration license or indicate that the useful life is other than indefinite. The exploration license is also not dependent on, or specifically associated with, another asset or group of assets that would limit the useful life of the intangible asset or indicate that the useful life is other than indefinite. Management&#8217;s assumptions regarding our ability to successfully renew or extend the exploration license are based on Bismarck&#8217;s historical experience. Bismarck was established in 2006, and they have historically renewed and extended the exploration license without a lapse in their ability to use the license. The license has also never been revoked. We will not incur significant maintenance costs related to the license. There is an annual fee due of approximately $14,000 to maintain the license. This amount is much less than the carrying amount of the license and the cost is not expected to prohibit continued renewals of the license in the future. Based on all the factors considered above, management believes it is appropriate to assign indefinite useful life to the acquisition of the rights for the exploration license. <br/></div> <table border="0" style="width:100%; table-layout:fixed;" cellspacing="0" cellpadding="0"><tr><td></td></tr></table><span></span>
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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139949242433240">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Investments In Unconsolidated Entities<br></strong></div></th>
<th class="th" colspan="1">3 Months Ended</th>
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<tr><th class="th"><div>Mar. 31, 2021</div></th></tr>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EquityMethodInvestmentsAndJointVenturesAbstract', window );"><strong>Equity Method Investments and Joint Ventures [Abstract]</strong></a></td>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EquityMethodInvestmentsDisclosureTextBlock', window );">Investments In Unconsolidated Entities</a></td>
<td class="text"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; margin-top: 18pt; margin-bottom: 6pt; padding-top: 0pt; padding-bottom: 0pt; line-height: 12pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-weight:bold;display:inline;">NOTE F &#8211; INVESTMENTS IN UNCONSOLIDATED ENTITIES </div></div></div> <div style="font-family: &quot;times new roman&quot;; font-size: 10pt; margin-top: 18pt; margin-bottom: 6pt; padding-top: 0pt; padding-bottom: 0pt; line-height: 12pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-weight:bold;display:inline;"><div style="font-style:italic;display:inline;;font-style:italic;display:inline;">Neptune Minerals, Inc. (NMI) </div></div></div></div> <div style="text-indent: 4%; font-family: &quot;times new roman&quot;; font-size: 10pt; margin-top: 18pt; margin-bottom: 6pt; padding-top: 0pt; padding-bottom: 0pt; line-height: 12pt;">Our current investment in NMI consists of 3,092,488 Class&#160;B Common <div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;">non-voting</div> shares and 2,612 Series A Preferred <div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;">non-voting</div> shares. These preferred shares are convertible into an aggregate of 261,200 shares of Class&#160;B <div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;">non-voting</div> common stock. Our holdings now constitute an approximate 14% ownership in NMI. Our estimated share of unrecognized NMI equity-method losses is approximately $21.3&#160;million. We have not recognized the accumulated $21.3&#160;million in our income statement because these losses exceeded our investment in NMI. Our investment has a carrying value of zero as a result of the recognition of our share of prior losses incurred by NMI under the equity method of accounting. We believe it is appropriate to allocate this loss carryforward of $21.3&#160;million to any incremental NMI investment that may be recognized on our balance sheet in excess of zero because the losses occurred when they were an equity-method investment. The aforementioned loss carryforward is based on NMI&#8217;s last unaudited financial statements as of December&#160;31, 2016. We do not believe losses NMI may have incurred from the calendar year of 2017 to current day to be material. We do not have any financial obligations to NMI, and we are not committed to provide financial support to NMI. </div> <div style="text-indent: 4%; font-family: &quot;times new roman&quot;; font-size: 10pt; margin-top: 18pt; margin-bottom: 6pt; padding-top: 0pt; padding-bottom: 0pt; line-height: 12pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">Although we are a shareholder of NMI, we have no representation on the board of directors or in management of NMI and do not hold any Class&#160;A voting shares. We are not involved in the management of NMI nor do we participate in their policy-making. Accordingly, we are not the primary beneficiary of NMI. As of March&#160;31, 2021, the net carrying value of our investment in NMI was zero in our consolidated financial statements. </div></div> <div style="font-family: &quot;times new roman&quot;; font-size: 10pt; margin-top: 18pt; margin-bottom: 6pt; padding-top: 0pt; padding-bottom: 0pt; line-height: 12pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-weight:bold;display:inline;"><div style="font-style:italic;display:inline;;font-style:italic;display:inline;">Chatham Rock Phosphate, Limited. </div></div></div></div> <div style="text-indent: 4%; font-family: &quot;times new roman&quot;; font-size: 10pt; margin-top: 18pt; margin-bottom: 6pt; padding-top: 0pt; padding-bottom: 0pt; line-height: 12pt;">During 2012, we performed <div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;">deep-sea</div> mining exploratory services for Chatham Rock Phosphate, Ltd. (&#8220;CRP&#8221;) valued at $1,680,000. As payment for these services, CRP issued 9,320,348 ordinary shares to us. During March 2017, Antipodes Gold Limited completed the acquisition of CRP. The surviving entity is now named Chatham Rock Phosphate Limited (&#8220;CRPL&#8221;). In exchange for our 9,320,348 shares of CRP we received 141,884 shares of CPRL, which represents equity ownership of approximately 1% of the surviving entity. Since CRP was a thinly traded stock and pursuant to guidance per ASC 320: <div style="font-style:italic;display:inline;;font-style:italic;display:inline;">Debt and Equity Securities</div> regarding readily determinable fair value, we believe it was appropriate to not recognize this amount as an asset nor as revenue during that period. We continue to carry the value of our investment in CPRL at zero in our consolidated financial statements. </div> <div style="font-family: &quot;times new roman&quot;; font-size: 10pt; margin-top: 18pt; margin-bottom: 6pt; padding-top: 0pt; padding-bottom: 0pt; line-height: 12pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-weight:bold;display:inline;"><div style="font-style:italic;display:inline;;font-style:italic;display:inline;">CIC LLC </div></div></div></div> <div style="text-indent: 4%; font-family: &quot;times new roman&quot;; font-size: 10pt; margin-top: 18pt; margin-bottom: 6pt; padding-top: 0pt; padding-bottom: 0pt; line-height: 12pt;"><div style="letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">In 2018, we began providing services to CIC LLC (see NOTE D).</div></div><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"> This company is pursuing deep water mining permits in foreign waters. Due to the initial structure of the company, we determined this venture to be a VIE consistent with ASU 2015-2. We have determined we are not the primary beneficiary of the VIE and, therefore, we have not consolidated this entity. Additionally, we also will record the investment under the cost method as we have determined we do not exercise significant influence over the entity. We will assess our investment for impairment annually and, if a loss in value is deemed other than temporary, an impairment charge will be recorded. At March&#160;31, 2021 and December&#160;31, 2020, the accumulated investment in the entity was $2,627,117 and $2,370,794, respectively, which is classified as an investment in unconsolidated entity in our consolidated balance sheets. </div></div> <div style="text-indent: 4%; font-family: &quot;times new roman&quot;; font-size: 10pt; margin-top: 18pt; margin-bottom: 6pt; padding-top: 0pt; padding-bottom: 0pt; line-height: 12pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">We account for the investments we make in certain legal entities in which equity investors do not have (1)&#160;sufficient equity at risk for the legal entity to finance its activities without additional subordinated financial support, or (2)&#160;as a group, the holders of the equity investment at risk do not have either the power, through voting or similar rights, to direct the activities of the legal entity that most significantly impact the entity&#8217;s economic performance, or (3)&#160;the obligation to absorb the expected losses of the legal entity or the right to receive expected residual returns of the legal entity. These legal entities are referred to as &#8220;variable interest entities&#8221; or &#8220;VIEs.&#8221; </div></div> <div style="text-indent: 4%; font-family: &quot;times new roman&quot;; font-size: 10pt; margin-top: 18pt; margin-bottom: 6pt; padding-top: 0pt; padding-bottom: 0pt; line-height: 12pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">We would consolidate the results of any such entity in which we determined we had a controlling financial interest. We would have a &#8220;controlling financial interest&#8221; in such an entity if we had both the power to direct the activities that most significantly affect the VIE&#8217;s economic performance and the obligation to absorb the losses of, or right to receive benefits from, the VIE that could be potentially significant to the VIE. On a quarterly basis, we reassess whether we have a controlling financial interest in any investments we have in these legal entities. </div></div> <div style="text-indent: 4%; font-family: &quot;times new roman&quot;; font-size: 10pt; margin-top: 18pt; margin-bottom: 6pt; padding-top: 0pt; padding-bottom: 0pt; line-height: 12pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">We determine whether any of the entities in which we have made investments is a VIE at the start of each new venture and if a reconsideration event has occurred. At such times, we also consider whether we must consolidate a VIE and/or disclose information about our involvement in a VIE. A reporting entity must consolidate a VIE if that reporting entity has a variable interest (or combination of variable interests) that will absorb a majority of the VIE&#8217;s expected losses, receive a majority of the VIE&#8217;s expected residual returns, or both. A reporting entity must consider the rights and obligations conveyed by its variable interests and the relationship of its variable interests with variable interests held by other parties to determine whether its variable interests will absorb a majority of a VIE&#8217;s expected losses, receive a majority of the VIE&#8217;s expected residual returns, or both. The reporting entity that consolidates a VIE is called the primary beneficiary of that VIE. </div><br/></div> <table border="0" style="width:100%; table-layout:fixed;" cellspacing="0" cellpadding="0"><tr><td></td></tr></table><span></span>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The entire disclosure for equity method investments and joint ventures. Equity method investments are investments that give the investor the ability to exercise significant influence over the operating and financial policies of an investee. Joint ventures are entities owned and operated by a small group of businesses as a separate and specific business or project for the mutual benefit of the members of the group.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 323<br> -URI http://asc.fasb.org/topic&amp;trid=2196965<br></p></div>
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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139949318798584">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Income Taxes<br></strong></div></th>
<th class="th" colspan="1">3 Months Ended</th>
</tr>
<tr><th class="th"><div>Mar. 31, 2021</div></th></tr>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxDisclosureAbstract', window );"><strong>Income Tax Disclosure [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxDisclosureTextBlock', window );">Income Taxes</a></td>
<td class="text"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; margin-top: 18pt; margin-bottom: 6pt; padding-top: 0pt; padding-bottom: 0pt; line-height: 12pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-weight:bold;display:inline;">NOTE G - INCOME TAXES </div></div></div> <div style="text-indent: 4%; font-family: &quot;times new roman&quot;; font-size: 10pt; margin-top: 18pt; margin-bottom: 6pt; padding-top: 0pt; padding-bottom: 0pt; line-height: 12pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">During the three-month period ended March 31, 2021, we generated a federal net operating loss (&#8220;NOL&#8221;) carryforward of $4.2&#160;million and generated $1.4&#160;million of foreign NOL carryforwards. As of March 31, 2021, we had consolidated income tax NOL carryforwards for federal tax purposes of approximately $201.1&#160;million and net operating loss carryforwards for foreign income tax purposes of approximately $63.2&#160;million. </div><div style="letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">The federal NOL carryforwards from 2005 thru 2017 will expire in various years beginning in<div style="letter-spacing: 0px; top: 0px;;display:inline;">&#160;</div></div></div><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">2025 and ending through the year 2036. </div></div> <div style="text-indent: 4%; font-family: &quot;times new roman&quot;; font-size: 10pt; margin-top: 18pt; margin-bottom: 6pt; padding-top: 0pt; padding-bottom: 0pt; line-height: 12pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">Deferred income tax assets and liabilities are recognized for the estimated future tax consequences attributable to differences between financial statement carrying amounts of existing assets and liabilities and their respective tax bases. Deferred income tax assets and liabilities are measured using enacted tax rates expected to be recovered or settled. We have recorded a net deferred tax asset of $0 at March&#160;31, 2021. As required by the <div style="font-style:italic;display:inline;;font-style:italic;display:inline;">Accounting for Income Taxes </div>topic in the ASC, we have concluded it is more likely than not that those assets would not be realizable without the recovery and rights of ownership or salvage rights of high value shipwrecks or substantial profits from our mining operations and thus a valuation allowance has been recorded as of March 31, 2021. There was no U.S. income tax expense for the three months ended March 31, 2021 due to the generation of net operating losses. </div></div> <div style="text-indent: 4%; font-family: &quot;times new roman&quot;; font-size: 10pt; margin-top: 18pt; margin-bottom: 6pt; padding-top: 0pt; padding-bottom: 0pt; line-height: 12pt;">The increase in the valuation allowance as of March 31, 2021 is due to the generation of approximately $297,142&#160;in net operating loss <div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"><div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;">year-to-date.</div></div> </div>  <div style="text-indent: 4%; font-family: &quot;times new roman&quot;; font-size: 10pt; margin-top: 18pt; margin-bottom: 6pt; padding-top: 0pt; padding-bottom: 0pt; line-height: 12pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">The change in the valuation allowance is as follows: </div></div> <div style="font-size: 12pt; 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margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:times new roman">March 31, 2021</div></td><td style="background-color: rgb(204, 238, 255); width: 4%;;vertical-align:bottom;">&#160;&#160;</td><td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;">$</td><td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;">69,157,126</td><td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;">&#160;</td></tr><tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"><td style="width: 84%; vertical-align: bottom;"><div style=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:times new roman">December 31, 2020</div></td><td style="width: 4%;;vertical-align:bottom;">&#160;&#160;</td><td style="white-space: nowrap; border-bottom: 0.75pt solid black;;vertical-align:bottom;">&#160;</td><td style="white-space: nowrap; border-bottom: 0.75pt solid black;;text-align:right;;vertical-align:bottom;">68,859,984</td><td style="white-space: nowrap;;vertical-align:bottom;">&#160;</td></tr><tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"><td style="background-color: rgb(204, 238, 255); width: 84%;;vertical-align:top;"><div style=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:times new roman">Change in valuation allowance</div></td><td style="background-color: rgb(204, 238, 255); width: 4%;;vertical-align:bottom;">&#160;&#160;</td><td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;">$</td><td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;">297,142</td><td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;">&#160;</td></tr><tr style="font-size: 1px;"><td style="font-family: &quot;times new roman&quot;; width: 84%;;vertical-align:bottom;">&#160;</td><td style="width: 4%;;vertical-align:bottom;">&#160;&#160;</td><td style="vertical-align:bottom;"><div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: 12pt; padding-top: 0pt; padding-bottom: 0pt;">&#160;</div></td><td style="vertical-align:bottom;"><div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: 12pt; padding-top: 0pt; padding-bottom: 0pt;">&#160;</div></td><td>&#160;</td></tr></table> <div style="clear: both; max-height: 0px;"></div> <div style="clear: both; max-height: 0px;"></div>  <div style="text-indent: 4%; font-family: &quot;times new roman&quot;; font-size: 10pt; margin-top: 18pt; margin-bottom: 6pt; padding-top: 0pt; padding-bottom: 0pt; line-height: 12pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">Our estimated annual effective tax rate before the valuation allowance as of March 31, 2021 is 7.99% while our March 31, 2021 effective tax rate is 0.0% because of the full valuation allowance. </div></div> <div style="text-indent: 4%; font-family: &quot;times new roman&quot;; font-size: 10pt; margin-top: 18pt; margin-bottom: 6pt; padding-top: 0pt; padding-bottom: 0pt; line-height: 12pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">We have not recognized a material adjustment in the liability for unrecognized tax benefits and have not recorded any provisions for accrued interest and penalties related to uncertain tax positions. The earliest tax year still subject to examination by a major taxing jurisdiction is 2017. </div></div> <table border="0" style="width:100%; table-layout:fixed;" cellspacing="0" cellpadding="0"><tr><td></td></tr></table><span></span>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 21<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32857-109319<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SAB Topic 11.C)<br> -URI http://asc.fasb.org/extlink&amp;oid=116825942&amp;loc=d3e330215-122817<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 17<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32809-109319<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB TOPIC 6.I.5.Q1)<br> -URI http://asc.fasb.org/extlink&amp;oid=116825942&amp;loc=d3e330036-122817<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 14<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32705-109319<br><br>Reference 6: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 270<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6424409&amp;loc=d3e44925-109338<br><br>Reference 7: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -URI http://asc.fasb.org/topic&amp;trid=2144680<br><br>Reference 8: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 30<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=6424122&amp;loc=d3e41874-109331<br></p></div>
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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139949244702232">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Commitments and Contingencies<br></strong></div></th>
<th class="th" colspan="1">3 Months Ended</th>
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<tr><th class="th"><div>Mar. 31, 2021</div></th></tr>
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<td class="text">&#160;<span></span>
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<td class="text"><div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-weight:bold;display:inline;">NOTE H &#8211; COMMITMENTS AND CONTINGENCIES </div></div></div> <div style="font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-weight:bold;display:inline;">Legal Proceedings </div></div></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">The Company may be subject to a variety of claims and suits that arise from time to time in the ordinary course of business. We are not a party to any litigation as a defendant where a loss contingency is required to be reflected in our consolidated financial statements. </div></div> <div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-weight:bold;display:inline;">Contingency </div></div></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">During March 2016, our Board of Directors approved the grant and issuance of 3.0&#160;million new equity shares of Oceanica Resources, S.R.L. (&#8220;Oceanica&#8221;) to two attorneys for their future services. This equity would only be issuable upon the Mexican&#8217;s government approval and issuance of the Environmental Impact Assessment (&#8220;EIA&#8221;) for our Mexican subsidiary. All possible grants of new equity shares were approved by the Administrators of Oceanica. We also owe consultants contingent success fees of up to $700,000 upon the approval and issuance of the EIA. The EIA has not been approved as of the date of this report. </div></div> <div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-weight:bold;display:inline;">Going Concern Consideration </div></div></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">We have experienced several years of net losses and may continue to do so. Our ability to generate net income or positive cash flows for the following twelve months is dependent upon financings, our success in developing and monetizing our interests in mineral exploration entities, generating income from exploration charters, collecting on amounts owed to us, </div><div style="letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">or</div></div><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"> completing the MINOSA/Penelope equity financing transaction approved by our stockholders on June&#160;9, 2015. </div></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">Our 2021 business plan </div><div style="letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">requires</div></div><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"> us to generate new cash inflows to effectively allow us to perform our planned projects. 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The net proceeds received from this sale, after offering expenses of $0.3&#160;million, were $11.3&#160;million (See NOTE J). These proceeds, coupled with the anticipated cash inflows are expected to provide operating funds through early 2022. </div></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">On March&#160;11, 2015, we entered into a Stock Purchase Agreement with Minera del Norte S.A. de c.v. (&#8220;MINOSA&#8221;) and Penelope Mining LLC (&#8220;Penelope&#8221;), an affiliate of MINOSA, pursuant to which (a)&#160;MINOSA agreed to extend short-term, debt financing to Odyssey of up to $14.75&#160;million, and (b)&#160;Penelope agreed to invest up to $101&#160;million over three years in convertible preferred stock of Odyssey. 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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 450<br> -URI http://asc.fasb.org/topic&amp;trid=2127136<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 440<br> -URI http://asc.fasb.org/topic&amp;trid=2144648<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 440<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=121559207&amp;loc=d3e25336-109308<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 440<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=121559207&amp;loc=d3e25336-109308<br></p></div>
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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139949318798584">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Loans Payable<br></strong></div></th>
<th class="th" colspan="1">3 Months Ended</th>
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<tr><th class="th"><div>Mar. 31, 2021</div></th></tr>
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<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_LoansPayableTextBlock', window );">Loans Payable</a></td>
<td class="text"><div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-weight:bold;display:inline;">NOTE I &#8211;LOANS PAYABLE </div></div></div>  <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">The Company&#8217;s consolidated notes payable consisted of the following carrying values at: </div></div> <div style="font-size: 12pt; margin-top: 0pt; margin-bottom: 0pt;"><div style="font-size: 12pt; letter-spacing: 0px; top: 0px;;display:inline;">&#160;</div></div> <table border="0" cellpadding="0" cellspacing="0" style="font-family: &quot;times new roman&quot;; font-size: 10pt; border-collapse: collapse; border-spacing: 0px;;margin : 0px auto;;text-align:left;;width:76%;"><tr style="font-size: 0px;"><td style="width:68%;"></td><td style="vertical-align:bottom;;width:5%;"></td><td></td><td></td><td></td><td style="vertical-align:bottom;;width:5%;"></td><td></td><td></td><td></td></tr><tr style="font-family: times new roman; 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The loan was issued in three tranches: (i) $5.0&#160;million (the &#8220;First Tranche&#8221;) was advanced upon execution of the Loan Agreement; (ii) $2.5&#160;million (the &#8220;Second Tranche&#8221;) was advanced on October&#160;1, 2014; and (iii) $2.5&#160;million (the &#8220;Third Tranche&#8221;) was advanced on December&#160;1, 2014. The Notes bear interest at a rate equal to 11% per annum. The Notes also contain an option whereby Monaco can purchase shares of Oceanica held by Odyssey (the &#8220;Share Purchase Option&#8221;) at a purchase price that is the lower of (a) $3.15 per share or (b)&#160;the price per share of a contemplated equity offering of Oceanica which totals $1.0&#160;million or more in the aggregate. The share purchase option was not clearly and closely related to the host debt agreement and required bifurcation. </div></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;">On December&#160;10, 2015, these promissory notes were amended as part of the asset acquisition agreement with Monaco (See NOTE R in our Form <div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;">10-K</div> filed with the Securities and Exchange Commission for the period ended December&#160;31, 2017 for further information). The amendment included the following material changes: (i) $2.2&#160;million of the indebtedness represented by the Notes was extinguished, (ii) $5.0&#160;million of the indebtedness represented by the Notes ceased to bear interest and is only repayable under certain circumstances from certain sources of cash, and (iii)&#160;the maturity date on the Notes was extended to December&#160;31, 2017. During March 2016, the maturity date was further extended to April&#160;1, 2018 and the exercise price of the Share Purchase Option was <div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;">re-priced</div> to $1.00 per share. This indebtedness has matured, but Monaco has not demanded payment because we are in negotiations with Monaco. As of the maturity date, the interest rate was adjusted to the default rate of 18% per annum. See &#8220;Loan Modification (March 2016)&#8221; below. For the three months ended March&#160;31, 2021 and 2020 interest expense in the amount of $141,315 and $142,885, respectively, was recorded. The outstanding interest-bearing balance of these Notes was $2.8&#160;million at March&#160;31, 2021 and December&#160;31, 2020, respectively. </div> <div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-weight:bold;display:inline;">Note 2 &#8211; Monaco 2016 </div></div></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;">In March 2016, Monaco agreed to lend us an additional $1,825,000. These loan proceeds were received in full during the first quarter of 2016. The indebtedness bears interest at 10.0% percent per year. All principal and any unpaid interest were due on April&#160;15, 2018. This indebtedness has matured, but Monaco has not demanded payment because we are in negotiations with Monaco. As of the maturity date, the interest rate was adjusted to the default rate of 18% per annum. The current outstanding balance as of March&#160;31, 2021 and December&#160;31, 2020 was $1,175,000. The indebtedness is convertible at any time until the maturity date into shares of Oceanica held by us at a conversion price of $1.00 per share. Pursuant to this loan and as security for the indebtedness, Monaco was granted a second priority security interest in <div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;">(a)&#160;one-half</div> of the indebtedness evidenced by the Amended and Restated Consolidated Note and Guaranty, dated September&#160;25, 2015 (the &#8220;ExO Note&#8221;), in the original principal amount of $18.0&#160;million, issued by Exploraciones Oceanicas S. de R.L. de C.V. to Oceanica Marine Operations, S.R.L. (&#8220;OMO&#8221;), and all rights associated therewith (the &#8220;OMO Collateral&#8221;); and (b)&#160;all technology and assets in our possession or control used for offshore exploration, including an ROV system, <div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;">deep-tow</div> search systems, winches, multi-beam sonar, and other equipment. The carrying net book value of this equipment is less than $0.1&#160;million. We unconditionally and irrevocably guaranteed all obligations of ours and our subsidiaries to Monaco under this loan agreement. As further consideration for the loan, Monaco was granted an option (the &#8220;Option&#8221;) to purchase the OMO Collateral. The Option is exercisable at any time before the earlier of (a)&#160;the date that is 30 days after the loan is paid in full or (b)&#160;the maturity date of the ExO Note, for aggregate consideration of $9.3&#160;million, $1.8&#160;million of which would be paid at the closing of the exercise of the Option, with the balance paid in ten monthly installments of $750,000. During 2017, we sold a marine vessel to a related party of Monaco for $650,000.&#160;The consideration for this vessel was applied against our loan balance to Monaco in the amount of $650,000. </div> <div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-weight:bold;display:inline;"><div style="font-style:italic;display:inline;;font-style:italic;display:inline;">Accounting considerations </div></div></div></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">ASC 815 generally requires the analysis of embedded terms and features that have characteristics of derivatives to be evaluated for bifurcation and separate accounting in instances where their economic risks and characteristics are not clearly and closely related to the risks of the host contract. The option to purchase the OMO Collateral is an embedded feature that is not clearly and closely related to the host debt agreement and thus requires bifurcation. Because the option is out of the money, it has no material fair value as of the inception date or currently. The debt agreement did not contain any additional embedded terms or features that have characteristics of derivatives. However, we were required to consider whether the hybrid contract embodied a beneficial conversion feature (&#8220;BCF&#8221;). The calculation of the effective conversion amount did result in a BCF because the effective conversion price was less than the market price on the date of issuance, therefore a BCF of $456,250 was recorded. This BCF has been fully amortized as of March&#160;31, 2018. For the three months ended March&#160;31, 2021 and 2020 interest expense in the amount of $65,988 and $66,721, respectively, was recorded. </div></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-weight:bold;display:inline;"><div style="font-style:italic;display:inline;;font-style:italic;display:inline;">Loan modification (December 2015) </div></div></div></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">In connection with the Acquisition Agreement entered into with Monaco on December&#160;10, 2015, Monaco agreed to modify certain terms of the loans as partial consideration for the purchase of assets. For the First Tranche ($5,000,000 advanced on August&#160;14, 2014), Monaco agreed to cease interest as of December&#160;10, 2015 and reduce the loan balance by (i)&#160;the cash or other value received from the SS <div style="font-style:italic;display:inline;;font-style:italic;display:inline;">Central America</div> shipwreck project (&#8220;SSCA&#8221;) or (ii)&#160;if the proceeds received from the SSCA project were insufficient to pay off the loan balance by December&#160;31, 2017, then Monaco could seek repayment of the remaining outstanding balance on the loan by withholding Odyssey&#8217;s 21.25% &#8220;additional consideration&#8221; in new shipwreck projects performed for Monaco in the future. For the Second Tranche ($2,500,000 advanced on October&#160;1, 2014), Monaco agreed to reduce the principal amount by $2,200,000 leaving a new principal balance of $300,000 and extension of maturity to December&#160;31, 2017. For the Third Tranche ($2,500,000 advanced on December&#160;1, 2014), Monaco agreed to the extension of maturity to December&#160;31, 2017. </div></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">On December&#160;10, 2015, the Monaco call option related to the Oceanica shares held by us was extended until December&#160;31, 2017. </div></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-weight:bold;display:inline;"><div style="font-style:italic;display:inline;;font-style:italic;display:inline;">Loan modification (March 2016) </div></div></div></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;">In connection with the $1.825&#160;million loan agreement with Monaco in March 2016, the existing $2.8&#160;million notes were modified. Of the combined total indebtedness of Monaco&#8217;s Note 1 and Note 2, Monaco can convert this debt into 3,174,603 shares of Oceanica at a fixed conversion price of $1.00 per share, or $3,174,603. Any remaining debt in excess of $3,174,603 is not convertible. Additionally, the modification eliminated Monaco&#8217;s option (&#8220;share purchase option&#8221;) to purchase 3,174,603 shares of Oceanica stock at a price of $3.15 per share. The modification was analyzed under ASC 480 <div style="font-style:italic;display:inline;;font-style:italic;display:inline;">Distinguishing Liabilities from Equity</div> (&#8220;ASC 480&#8221;) to determine if extinguishment accounting was applicable. Under ASC <div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"><div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"><div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;">470-50-40-10</div></div></div> a modification or an exchange that adds or eliminates a substantive conversion option as of the conversion date is always considered substantial and requires extinguishment accounting. Since this modification added a substantive conversion option, extinguishment accounting is applicable. In accordance with the extinguishment accounting guidance (a)&#160;the share purchase option was first marked to its <div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;">pre-modification</div> fair value, (b)&#160;the new debt was recorded at fair value and (c)&#160;the old debt and share purchased option was removed. The difference between the fair value of the new debt and the sum of the <div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;">pre-modification</div> carrying amount of the old debt and the share purchase option&#8217;s fair value represented a gain on extinguishment. ASC <div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"><div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"><div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;">470-50-40-2</div></div></div> indicates that debt restructuring with a related party may be in essence a capital transaction and as a result the gain of $1.2&#160;million was recognized in additional paid in capital upon extinguishment. </div> <div style="font-size: 1px; margin-top: 18px; margin-bottom: 0px;"><div style="font-size: 1px; letter-spacing: 0px; top: 0px;;display:inline;">&#160;</div></div> <div style="font-family: times new roman; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-weight:bold;display:inline;">Note 3 &#8211; MINOSA </div></div></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">On March&#160;11, 2015, in connection with a Stock Purchase Agreement, Minera del Norte, S.A. de C.V. (&#8220;MINOSA&#8221;) agreed to lend us up to $14.75&#160;million. The entire $14.75&#160;million was loaned in five advances from March&#160;11 through June&#160;30, 2015. The outstanding indebtedness bears interest at 8.0% percent per annum. The Promissory Note was amended on April&#160;10, 2015 and on October&#160;1, 2015 so that, unless otherwise converted as provided in the Note, the adjusted principal balance shall be due and payable in full upon written demand by MINOSA; provided that MINOSA agreed that it shall not demand payment of the adjusted principal balance earlier than the first to occur of: (i)&#160;30 days after the date on which (x)&#160;SEMARNAT makes a determination with respect to the current application for the Manifestacion de Impacto Ambiental relating to phosphate deposit project, which determination is other than an approval or (y)&#160;Odyssey Marine Enterprises or any of its affiliates withdraws such application without MINOSA&#8217;s prior written consent; (ii)&#160;termination by Odyssey of the Stock Purchase Agreement, dated March&#160;11, 2015 (the &#8220;Purchase Agreement&#8221;), among Odyssey, MINOSA, and Penelope Mining, LLC (the &#8220;Investor&#8221;); (iii)&#160;the occurrence of an event of default under the Promissory Note; (iv)&#160;December 31, 2015; or (v)&#160;if and only if the Investor shall have terminated the Purchase Agreement pursuant to Section&#160;8.1(d)(iii) thereof, March&#160;30, 2016. This indebtedness is classified as short-term debt. In connection with the loans, we granted MINOSA an option to purchase our 54% interest in Oceanica for $40.0&#160;million (the &#8220;Oceanica Call Option&#8221;). On March&#160;11, 2016, the Oceanica Call has expired. Completion of the transaction requires amending the Company&#8217;s articles of incorporation to (a)&#160;effect a reverse stock split, which was implemented on February&#160;19, 2016, (b)&#160;adjusting the Company&#8217;s authorized capitalization, which was also implemented on February&#160;19, 2016, and (c)&#160;establishing a classified board of directors (collectively, the &#8220;Amendments&#8221;). The Amendments have been or will be set forth in certificates of amendment to the Company&#8217;s articles of incorporation filed or to be filed with the Nevada Secretary of State. As collateral for the loan, we granted MINOSA a security interest in the Company&#8217;s 54% interest in Oceanica. The outstanding principal balance of this debt was $14.75&#160;million at March&#160;31, 2021 and December&#160;31, 2020, respectively. The maturity date of this indebtedness has been amended and matured on March&#160;18, 2017. Per Note 6 MINOSA 2 below, the Minosa Purchase Agreement amended the due date of this note to a due date which may be no earlier than December&#160;31, 2017, that is at least 60 days subsequent to written notice that Minosa intends to demand payment. See Note 6 &#8211; MINOSA 2 for further qualifications. During December 2017, MINOSA transferred this debt to its parent company. For the three months ended March&#160;31, 2021 and, 2020, interest expense in the amount of $290,959 and $294,191, respectively, was recorded. </div></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-weight:bold;display:inline;"><div style="font-style:italic;display:inline;;font-style:italic;display:inline;">Accounting considerations </div></div></div></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">We have accounted for this transaction as a financing transaction, wherein the net proceeds received were allocated to the financial instruments issued. Prior to making the accounting allocation, we evaluated for proper classification under ASC 480 <div style="font-style:italic;display:inline;;font-style:italic;display:inline;">Distinguishing Liabilities from Equity</div> (&#8220;ASC 480&#8221;), ASC 815 <div style="font-style:italic;display:inline;;font-style:italic;display:inline;">Derivatives and Hedging</div> (&#8220;ASC 815&#8221;) and ASC 320 <div style="font-style:italic;display:inline;;font-style:italic;display:inline;">Property, Plant and Equipment</div> (&#8220;ASC 320&#8221;). </div></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;">This debt agreement did not contain any embedded terms or features that have characteristics of derivatives. The Oceanica Call Option is considered a freestanding financial instrument because it is both (i)&#160;legally detachable and (ii)&#160;separately exercisable. 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This discount has been fully accreted up to face value using the effective interest method. </div></div> <div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-weight:bold;display:inline;">Note 4 &#8211; Epsilon </div></div></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;">On March&#160;18, 2016 we entered into a Note Purchase Agreement (&#8220;Purchase Agreement&#8221;) with Epsilon Acquisitions LLC (&#8220;Epsilon&#8221;). Pursuant to the Purchase Agreement, Epsilon loaned us $3.0&#160;million in two installments of $1.5&#160;million on March&#160;31, 2016 and April&#160;30, 2016. The indebtedness bears interest at a rate of 10% per annum and was due on March&#160;18, 2017. We were also responsible for $50,000 of the lender&#8217;s out of pocket costs. This amount is included in the loan balance. In pledge agreements related to the loans, we granted security interests to Epsilon in (a)&#160;the 54&#160;million cuotas (a unit of ownership under Panamanian law) of Oceanica Resources S. de R.L. (&#8220;Oceanica&#8221;) held by our wholly owned subsidiary, Odyssey Marine Enterprises, Ltd. (&#8220;OME&#8221;), (b)&#160;all notes and other receivables from Oceanica and its subsidiary owed to the Odyssey Pledgors, and (c)&#160;all of the outstanding equity in OME. Epsilon has the right to convert the outstanding indebtedness into shares of our common stock upon 75 days&#8217; notice to us or upon a merger, consolidation, third party tender offer, or similar transaction relating to us at the conversion price of $5.00 per share, which represents the <div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;">five-day</div> volume-weighted average price of Odyssey&#8217;s common stock for the five trading day period ending on March&#160;17, 2016. On January&#160;25, 2017, Epsilon provided notice to us that it would convert the initial $3.0&#160;million plus accrued interest per the Restated Note Purchase Agreement at $5.00 per share in accordance with the terms of the agreement. The conversion and issuance of new shares was effective April&#160;10, 2017 and included accrued interest of $302,274 for a total 670,455 shares. Upon the occurrence and during the continuance of an event of default, the conversion price was to be reduced to $2.50 per share. Following any conversion of the indebtedness, Penelope Mining LLC (an affiliate of Epsilon) (&#8220;Penelope&#8221;), may elect to reduce its commitment to purchase preferred stock of Odyssey under the Stock Purchase Agreement, dated as of March&#160;11, 2015 (as amended, the &#8220;Stock Purchase Agreement&#8221;), among Odyssey, Penelope, and Minera del Norte, S.A. de C.V. 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Prior to making the accounting allocation, we evaluated the transaction for proper classification under ASC 480 <div style="font-style:italic;display:inline;;font-style:italic;display:inline;">Distinguishing Liabilities from Equity</div> (&#8220;ASC 480&#8221;), ASC 815 <div style="font-style:italic;display:inline;;font-style:italic;display:inline;">Derivatives and Hedging</div> (&#8220;ASC 815&#8221;) and ASC 320 <div style="font-style:italic;display:inline;;font-style:italic;display:inline;">Property, Plant and Equipment</div> (&#8220;ASC 320&#8221;). </div></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">This debt agreement did not contain any embedded terms or features that have characteristics of derivatives. However, we were required to consider whether the hybrid contract embodied a beneficial conversion feature (&#8220;BCF&#8221;). The calculation of the effective conversion amount did result in a BCF because the effective conversion price was less than the Company&#8217;s stock price on the date of issuance, therefore a BCF of $96,000 was recorded. 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Epsilon has the right to convert all amounts outstanding under the Restated Note into shares of our common stock upon 75 days&#8217; notice to OME or upon a merger, consolidation, third party tender offer, or similar transaction relating to us at the applicable conversion price, which is (a)&#160;$5.00 per share with respect to the $3.0&#160;million already advanced under the Restated Note and (b)&#160;with respect to additional advances under the Restated Note, the <div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;">five-day</div> volume-weighted average price of our common stock for the five trading day period ending on the trading day immediately prior to the date on which OME submits a borrowing notice for such advance. 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Pursuant to the Loan Agreement, SMOM agreed to loan us up to $3.0&#160;million as evidenced by a convertible promissory note. As a commitment fee, we assigned the remaining 50% of our Neptune Minerals, LLC receivable to SMOM. This receivable had zero carrying value on our balance sheet and due to the age and collectability was deemed to have no fair value. The indebtedness bears interest at a rate of 10% per annum and matures on the second anniversary of this Loan Agreement which is May&#160;3, 2019. During January 2021, this Loan Agreement was amended by increasing the interest rate to 18%, effective January&#160;1, 2021. On April&#160;20, 2018, the loan was amended, and the principal amount of the Loan was increased to $3.5&#160;million. The loan balance at March&#160;31, 2021 and December&#160;31, 2020 was $3.5&#160;million. The holder has the option to convert up to $2.0&#160;million of any unpaid principal and interest into up to 50% of the equity interest held by Odyssey in Aldama Mining Company, S.de R.L. de C.V. which is a wholly owned subsidiary of ours. The conversion value of $1.0&#160;million equates to 10% of the equity interest in Aldama. If the holder elects to acquire the entire 50% of the equity interest, the Holder has to pay the deficiency in cash. As additional consideration for the loan, the holder has the right to purchase from Odyssey all or a portion of the equity collateral (up to the 50% of the equity interest of Aldama) for the option consideration ($1.0&#160;million for each 10% of equity interests) during the period that is the later of (i)&#160;one year after the maturity date and (ii)&#160;one year after the loan is repaid in full, the expiration date. The lender may also choose to extend the expiration date annually by paying $500,000 for each year extended. 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MINOSA has the right to convert all amounts outstanding under the Minosa Note into shares of our common stock upon 75 days&#8217; notice to us or upon a merger, consolidation, third party tender offer, or similar transaction relating to us at the conversion price of&#160;$4.41 per share. During December 2017, MINOSA transferred this debt to its parent company. </div></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">This debt agreement did not contain any embedded terms or features that have characteristics of derivatives. However, we were required to consider whether the hybrid contract embodied a beneficial conversion feature (&#8220;BCF&#8221;). The calculation of the effective conversion amount did result in a BCF because the effective conversion price was less than the Company&#8217;s stock price on the date of issuance, therefore a BCF of $62,925 was recorded. As of December&#160;31, 2017, all of the BCF has been accreted to the income statement. The BCF represented a debt discount that was amortized over the life of the loan. For the three months ended March&#160;31, 2021 and 2020, interest expense in the amount of $124,520 and $125,903, respectively, was recorded. </div></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">As previously reported, Epsilon loaned us an aggregate of $6.0&#160;million pursuant to an amended and restated convertible promissory Minosa Note, dated as of March&#160;18, 2016, as further amended and restated on October&#160;1, 2016 (the &#8220;Epsilon Note&#8221;). Since then, Epsilon has assigned $2.0&#160;million of the indebtedness under the Epsilon Note to MINOSA. Along with Epsilon, we entered into a second amended and restated convertible promissory note (the &#8220;Second AR Epsilon Note&#8221;), which further amends and restates the Epsilon Note. The stated principal amount of the Second AR Epsilon Note is $1.0&#160;million (which reflects the outstanding principal balance remaining after giving effect to Epsilon&#8217;s (x)&#160;previous assignment of $2.0&#160;million of the indebtedness under the Epsilon Note to MINOSA and (y)&#160;conversion of $3.0&#160;million of the indebtedness under the Epsilon Note into shares of our common stock). The Second AR Epsilon Note further provides that the outstanding principal balance under the Second AR Epsilon Note and all accrued interest and fees are due and payable upon written demand by Epsilon; provided, that Epsilon agreed not make a demand for payment prior to the earlier of (a)&#160;an event of default (as defined in the Second AR Epsilon Note) or (b)&#160;a date, which may be no earlier than December&#160;31, 2017, that is at least 60 days subsequent to written notice that MINOSA intends to demand payment. </div></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">Upon the closing of the Minosa Purchase Agreement, along with MINOSA, and Penelope Mining LLC, an affiliate of Minosa (&#8220;Penelope&#8221;), executed and delivered a Second Amended and Restated Waiver and Consent and Amendment No.&#160;5 to Promissory Note and Amendment No.&#160;2 to Stock Purchase Agreement (the &#8220;Second&#160;AR Waiver&#8221;). Pursuant to the Second&#160;AR Waiver, Minosa and Penelope consented to the transactions contemplated by the Minosa Purchase Agreement and waived any breach of any representation or warranty and violation of any covenant in the Stock Purchase Agreement, dated as of March&#160;11, 2015, as amended April&#160;10, 2015 (the &#8220;SPA&#8221;), by and among us, Minosa, and Penelope, arising out of the Company&#8217;s execution and delivery of the Minosa Purchase Agreement and the consummation of the transactions contemplated thereby. Pursuant to the Second&#160;AR Waiver, we also waived, and agreed not to exercise our right to terminate the SPA pursuant to Section&#160;8.1(c)(ii) thereto, both (a)&#160;until after the earlier of (i)&#160;July&#160;1, 2018, (ii)&#160;the date that MINOSA fails, refuses, or declines to fund (or otherwise does not fund) any subsequent loan under the Minosa Purchase Agreement and (iii)&#160;demand is made for repayment of all or any part of the indebtedness outstanding under the Minosa Note, the Second AR Epsilon Note, or the Promissory Note, dated as of March&#160;11, 2015, as amended (the &#8220;SPA Note&#8221;), in the principal amount of $14.75&#160;million that was issued by us to MINOSA under the SPA, and&#160;(b) unless on or prior to such termination, the Notes are paid in full. </div></div> <div style="font-size: 1px; margin-top: 12px; margin-bottom: 0px;"><div style="font-size: 1px; letter-spacing: 0px; top: 0px;;display:inline;">&#160;</div></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">The Second&#160;AR Waiver (x)&#160;further provides that following any conversion of the indebtedness evidenced by the Minosa Note, Penelope may elect to reduce its commitment to purchase our preferred stock under the SPA by the amount of indebtedness converted by MINOSA and (y)&#160;amends the SPA Note to provide that the outstanding principal balance under the SPA Note and all accrued interest and fees are due and payable upon written demand by MINOSA; provided, that Minosa agreed not make a demand for payment prior to the earlier of (a)&#160;an event of default (as defined in the Minosa Note) or (b)&#160;a date, which may be no earlier than December&#160;31, 2017, that is at least 60 days subsequent to written notice that Minosa intends to demand payment. </div></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;">The obligations under the Minosa Note may be accelerated upon the occurrence of specified events of default including (a)&#160;our failure to pay any amount payable under the Minosa Note on the date due and payable; (b)&#160;our failure to perform or observe any term, covenant, or agreement in the Minosa Note or the related documents, subject to a <div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;">five-day</div> cure period;&#160;(c)&#160;the occurrence and expiration of all applicable grace periods, if any, of an event of default or material breach by us under any of the other loan documents; (d)&#160;the termination of the SPA; (e)&#160;commencement of certain specified dissolution, liquidation, insolvency, bankruptcy, reorganization, or similar cases or actions by or against us, in specified circumstances unless dismissed or stayed within 60 days; (f)&#160;the entry of a judgment or award against us in excess of $100,000; and (g)&#160;the occurrence of a change in control (as defined in the Minosa Note). </div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">Pursuant to second amended and restated pledge agreements (the &#8220;Second AR Pledge Agreements&#8221;) entered into by us in favor of MINOSA, we pledged and granted security interests to MINOSA in (a)&#160;the 54&#160;million cuotas (a unit of ownership under Panamanian law) of Oceanica held by us, (b)&#160;all notes and other receivables from Oceanica and its subsidiary owed to us, and (c)&#160;all of the outstanding equity in our wholly owned subsidiary, Odyssey Marine Enterprises, Ltd. </div></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;">In connection with the execution and delivery of the Minosa Purchase Agreement, Odyssey and MINOSA entered into a second amended and restated registration rights agreement (the &#8220;Second AR Registration Rights Agreement&#8221;) pursuant to which Odyssey agreed to register the offer and sale of the shares (the &#8220;Conversion Shares&#8221;) of our common stock issuable upon the conversion of the indebtedness evidenced by the Minosa Note. Subject to specified limitations set forth in the Second AR Registration Rights Agreement, including that we are eligible to use Form <div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;">S-3,</div> the holder of the Minosa Note can require us to register the offer and sale of the Conversion Shares if the aggregate offering price thereof (before any underwriting discounts and commissions) is not less than $3.0&#160;million. In addition, we agreed to file a registration statement relating to the offer and sale of the Conversion Shares on a continuous basis promptly (but in no event later than 60 days after) after the conversion of the Minosa Note into the Conversion Shares and to thereafter use its reasonable best efforts to have such registration statement declared effective by the Securities and Exchange Commission. </div> <table border="0" style="width:100%; table-layout:fixed;" cellspacing="0" cellpadding="0"><tr><td></td></tr></table><div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-weight:bold;display:inline;">Note 7 &#8211; Monaco 2018 </div></div></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">During the period ended March&#160;31, 2018, Monaco advanced us $1.0&#160;million that was included in a loan agreement that was executed on April&#160;20, 2018. Monaco also agreed to treat $99,366 of back rent owed by us to Monaco as part of this loan resulting in an aggregate principal amount of $1,099,366 at March&#160;31, 2021 and December&#160;31, 2020. The indebtedness bears interest at 10.0% percent per year. During January 2021, this loan agreement was amended by increasing the interest rate to 18%, effective January&#160;1, 2021. All principal and any unpaid interest are payable on the first anniversary of this agreement, April&#160;20, 2019. This debt is secured by cash proceeds, if any, from our future shipwreck projects we have contracted with Magellan. As additional consideration, their share purchase option expiration date, as discussed in Note 1 &#8211; Monaco 2014 and Note 2 &#8211; Monaco 2016 above, has been extended from 30 days to seven months after the note becomes paid in full. For the three months ended March&#160;31, 2021 and 2020, interest expense in the amount of $64,893 and $32,776, respectively, was recorded. </div></div> <div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-weight:bold;display:inline;">Note 8 &#8211; Promissory note </div></div></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">On July&#160;12, 2018, we entered into a Note and Warrant Purchase Agreement (the &#8220;Purchase Agreement&#8221;) with two individuals (the &#8220;Lenders&#8221;), one of whom holds in excess of 5.0% of our outstanding common stock. Pursuant to the Purchase Agreement, the Lenders agreed to lend an aggregate of $1,050,000 to us, which was advanced in three tranches on July&#160;12, 2018, $500,000, August&#160;17, 2018, $300,000 and October&#160;4, 2018, $250,000. The indebtedness is evidenced by secured convertible promissory notes (the &#8220;Notes&#8221;) and bears interest at a rate equal to 8.0% per annum. Unless otherwise converted as described below, the entire outstanding principal balance under the Notes and all accrued interest and fees are due and payable on July&#160;12, 2019. See <div style="font-weight:bold;display:inline;">&#8220;</div><div style="font-weight:bold;display:inline;"><div style="font-style:italic;display:inline;;font-style:italic;display:inline;">Term Extension (July 8, 2019)&#8221; below.</div></div> </div></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">At any time after to the first to occur of (a)&#160;a sale by us of additional Notes or (b)&#160;September 12, 2018, the Lenders have the right to convert all amounts outstanding under the Notes into either (x)&#160;shares of our common stock at the conversion rate of $8.00 per share, (y)&#160;$500,000 of the indebtedness owed by Exploraciones Oceanicas S. de R. L. de C.V. (&#8220;ExO&#8221;) to Oceanica Marine Operations, S.R.L. (&#8220;OMO&#8221;), or (z)&#160;a 7.5% interest in Aldama Mining Company, S. de R. L. de C.V. (&#8220;Aldama&#8221;). We indirectly hold a controlling interest in ExO; OMO and Aldama are indirect, wholly owned subsidiaries of ours. </div></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">In connection with the issuance and sale of the Notes, we issued warrants to purchase common stock (the &#8220;Warrants&#8221;) to the Lenders. The Lenders may exercise the Warrants to purchase an aggregate of 65,625 shares of our common stock at an exercise price of $12.00 per share. The Warrants are exercisable during the period commencing on the date on which the Notes are converted into shares of our common stock and ending on July&#160;12, 2021. </div></div> <div style="font-size: 1px; margin-top: 12px; margin-bottom: 0px;"><div style="font-size: 1px; letter-spacing: 0px; top: 0px;;display:inline;">&#160;</div></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">Pursuant to a Pledge Agreement, dated as of July&#160;12, 2018 (the &#8220;Pledge Agreement&#8221;), our obligations under the Notes are secured by a pledge of a portion of Odyssey&#8217;s ownership interest in Aldama and another entity. </div></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">Pursuant to a Registration Rights Agreement (the &#8220;Rights Agreement&#8221;) among us and the Lenders, we granted the Lenders &#8220;piggy-back&#8221; registration rights with respect to the shares of our common stock issuable upon conversion of the Notes and the exercise of the Warrants. </div></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">The Purchase Agreement, the Notes, the Warrants, the Pledge Agreement, and the Rights Agreement include representations and warranties and other covenants, conditions, and other provisions customary for comparable transactions. </div></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">We have accounted for this transaction as a financing transaction, wherein the net proceeds received were allocated to the financial instruments issued. Prior to making the accounting allocation, we evaluated the transaction for proper classification under ASC 480 Distinguishing Liabilities from Equity (&#8220;ASC 480&#8221;), ASC 815 Derivatives and Hedging (&#8220;ASC 815&#8221;). </div></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">We determined that the debt achieved conventional convertible status and that the equity conversion option was in the money at inception which required the calculation of a beneficial conversion feature (&#8220;BCF&#8221;). The fair value of the warrants and BCF component exceeded the amount of proceeds, therefore, they were limited to the cash proceeds of $1,050,000 at December&#160;31, 2018. As a result, there was no value allocated to the debt at inception. The debt was being accreted to face value over its term using the effective interest method. The face value of this debt was $1.05&#160;million at March&#160;31, 2021 and December&#160;31, 2020. For the three months ended March&#160;31, 2021 and 2020, interest expense in the amount of $25,234 and $23,555, respectively, was recorded. </div></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-weight:bold;display:inline;"><div style="font-style:italic;display:inline;;font-style:italic;display:inline;">Term Extension (July 8, 2019) </div></div></div></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">On July&#160;8, 2019, Odyssey and the Lenders entered into a Second Amendment to Note and Warrant Purchase Agreement and Note and Warrant Modification Agreement (the &#8220;Second Amendment&#8221;) pursuant to which certain terms and provisions of the Notes and Warrants were amended or otherwise modified. The material terms and provisions that were amended or otherwise modified are as follows: </div></div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"><div style="font-size: 6pt; letter-spacing: 0px; top: 0px;;display:inline;">&#160;</div></div> <table border="0" cellpadding="0" cellspacing="0" style="font-family: &quot;times new roman&quot;; font-size: 10pt; border-collapse: collapse; border-spacing: 0px;;width:100%;"><tr style="page-break-inside: avoid;"><td style="width:4%;">&#160;</td><td style="text-align:left;;vertical-align:top;;width:4%;">&#8226;</td><td style="vertical-align:top;;width:1%;">&#160;</td><td style="text-align:left;;vertical-align:top;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; line-height: normal;;text-align:left;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">the maturity date of the Notes was extended by one year, to July&#160;12, 2020 (the parties are currently in discussions to further extend the maturity date of the Notes); 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font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">the modified Warrants are exercisable at any time until July&#160;8, 2024 to purchase an aggregate of 196,135 shares of our common stock. </div></div></td></tr></table> <div style="clear: both; max-height: 0px;"></div> <div style="clear: both; max-height: 0px;"></div> <div style="clear: both; max-height: 0px;"></div> <div style="clear: both; max-height: 0px;"></div> <div style="clear: both; max-height: 0px;"></div> <div style="clear: both; max-height: 0px;"></div> <div style="clear: both; max-height: 0px; background: none;"></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;">We evaluated the amendment&#8217;s impact on the accounting for the Note in accordance with ASC <div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"><div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"><div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;">470-50-40-6</div></div></div> through 12 to determine whether extinguishment accounting was appropriate. The modification had a cash flow effect on a present value basis of less than 10%. However, the reduction in the conversion price resulted in a change in the fair value of the embedded conversion option that was more than 10% of the carrying value of the Note immediately prior to the modification. Because the amendment resulted in a substantial modification, extinguishment accounting was required, and we recorded a loss on the extinguishment of debt of $290,024. The extinguishment accounting resulted in a fair value reacquisition price of this debt of $1,340,024. The premium of $290,024 was being amortized over the remaining life of the debt. The warrant modification was treated as an inducement to extend the debt therefore the fair value of the warrants of $868,878 was a period expense and charged to interest expense with an offset to equity. </div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-weight:bold;display:inline;"><div style="font-style:italic;display:inline;;font-style:italic;display:inline;">Term Extension (August 14, 2020) </div></div></div></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">On August&#160;14, 2020, we entered into a Third Amendment to Note and Warrant Purchase Agreement and Note and Warrant Modification Agreement (the &#8220;Third Amendment&#8221;) with the Lenders. Certain terms and provisions of the Notes were modified, and we issued a new warrant to purchase common stock to each of the Lenders as consideration for them entering into the Third Amendment. The warrants have an exercise price of $4.67 and are exercisable any time until August&#160;14, 2023. Material terms and provisions that were amended or otherwise modified are as follows: </div></div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"><div style="font-size: 6pt; letter-spacing: 0px; top: 0px;;display:inline;">&#160;</div></div> <table border="0" cellpadding="0" cellspacing="0" style="font-family: &quot;times new roman&quot;; font-size: 10pt; border-collapse: collapse; border-spacing: 0px;;width:100%;"><tr style="page-break-inside: avoid;"><td style="width:4%;">&#160;</td><td style="text-align:left;;vertical-align:top;;width:4%;">&#8226;</td><td style="vertical-align:top;;width:1%;">&#160;</td><td style="text-align:left;;vertical-align:top;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; line-height: normal;;text-align:left;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">the maturity date of the Notes was extended by one year, to July&#160;12, 2021 and </div></div></td></tr></table> <div style="clear: both; max-height: 0px;"></div> <div style="clear: both; max-height: 0px;"></div> <div style="clear: both; max-height: 0px;"></div> <div style="clear: both; max-height: 0px;"></div> <div style="clear: both; max-height: 0px;"></div> <div style="clear: both; max-height: 0px;"></div> <div style="clear: both; max-height: 0px; background: none;"></div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"><div style="font-size: 6pt; letter-spacing: 0px; top: 0px;;display:inline;">&#160;</div></div> <table border="0" cellpadding="0" cellspacing="0" style="font-family: &quot;times new roman&quot;; font-size: 10pt; border-collapse: collapse; border-spacing: 0px;;width:100%;"><tr style="page-break-inside: avoid;"><td style="width:4%;">&#160;</td><td style="text-align:left;;vertical-align:top;;width:4%;">&#8226;</td><td style="vertical-align:top;;width:1%;">&#160;</td><td style="text-align:left;;vertical-align:top;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; line-height: normal;;text-align:left;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">the conversion rate of the Notes was modified to $4.67. </div></div></td></tr></table> <div style="clear: both; max-height: 0px;"></div> <div style="clear: both; max-height: 0px;"></div> <div style="clear: both; max-height: 0px;"></div> <div style="clear: both; max-height: 0px;"></div> <div style="clear: both; max-height: 0px;"></div> <div style="clear: both; max-height: 0px;"></div> <div style="clear: both; max-height: 0px; background: none;"></div> <div style="font-size: 1px; margin-top: 12px; margin-bottom: 0px;"><div style="font-size: 1px; letter-spacing: 0px; top: 0px;;display:inline;">&#160;</div></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">As of August&#160;14, 2020, the aggregate amount of indebtedness outstanding under the Notes was $1,232,846. As amended by the Third Amendment, the Notes are convertible into an aggregate of 263,993 shares of our common stock, and the new Warrants are exercisable to purchase an aggregate of 131,996 shares of our common stock for $4.67 per share. </div></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;">The modification of the Notes and the issuance of the warrants, were evaluated under ASC <div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"><div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;">470-50-40,</div></div> &#8220;Debt Modification and Extinguishments.&#8221; By applying the guidance, the Notes were determined to be substantially different and the transaction qualified for extinguishment accounting. As a result, we recorded a loss on extinguishment of approximately $777,500, which included the fair value of the warrants given as consideration for the modification. The premium of $358,497 is being amortized over the remaining life of the debt. The related amortization for the three months ended March&#160;31, 2021 and 2020 was $95,683 and $71,606, <div style="letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">respectively. The unamortized premium at March&#160;31, 2021 and December&#160;31, 2020 was $100,180 and $195,862, respectively. </div></div> </div> <div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-weight:bold;display:inline;">Note 9 &#8211; Litigation Financing </div></div></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">On June&#160;14, 2019, Odyssey and Exploraciones Oce&#225;nicas&#160;S. de R.L. de C.V., our Mexican subsidiary (&#8220;ExO&#8221; and, together with Odyssey, the &#8220;Claimholder&#8221;), and Poplar Falls LLC (the &#8220;Funder&#8221;) entered into an International Claims Enforcement Agreement (the &#8220;Agreement&#8221;), pursuant to which the Funder agreed to provide financial assistance to the Claimholder to facilitate the prosecution and recovery of the claim by the Claimholder against the United Mexican States under Chapter Eleven of the North American Free Trade Agreement (&#8220;NAFTA&#8221;) for violations of the Claimholder&#8217;s rights under NAFTA related to the development of an undersea phosphate deposit off the coast of Baja Sur, Mexico (the &#8220;Project&#8221;),&#160;on our own behalf and on behalf of ExO and United Mexican States (the &#8220;Subject Claim&#8221;). Pursuant to the Agreement, the Funder agreed to specified fees and expenses regarding the Subject Claim (the &#8220;Claims Payments&#8221;) incrementally and at the Funder&#8217;s sole discretion. </div></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">Under the terms of the Agreement, the Funder agreed to make Claims Payments in an aggregate amount not to exceed $6,500,000 (the &#8220;Maximum Investment Amount&#8221;). The Maximum Investment Amount will be made available to the Claimholder in two phases, as set forth below: </div></div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"><div style="font-size: 6pt; letter-spacing: 0px; top: 0px;;display:inline;">&#160;</div></div> <table border="0" cellpadding="0" cellspacing="0" style="font-family: &quot;times new roman&quot;; font-size: 10pt; border-collapse: collapse; border-spacing: 0px;;width:100%;"><tr style="page-break-inside: avoid;"><td style="width:4%;">&#160;</td><td style="text-align:left;;vertical-align:top;;width:5%;">(a)</td><td style="text-align:left;;vertical-align:top;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; line-height: normal;;text-align:left;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">a first phase, in which the Funder shall make Claims Payments in an aggregate amount no greater than $1,500,000 for the payment of antecedent and ongoing costs (&#8220;Phase I Investment Amount&#8221;); and </div></div></td></tr></table> <div style="clear: both; max-height: 0px;"></div> <div style="clear: both; max-height: 0px;"></div> <div style="clear: both; max-height: 0px;"></div> <div style="clear: both; max-height: 0px;"></div> <div style="clear: both; max-height: 0px;"></div> <div style="clear: both; max-height: 0px;"></div> <div style="clear: both; max-height: 0px; background: none;"></div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"><div style="font-size: 6pt; letter-spacing: 0px; top: 0px;;display:inline;">&#160;</div></div> <table border="0" cellpadding="0" cellspacing="0" style="font-family: &quot;times new roman&quot;; font-size: 10pt; border-collapse: collapse; border-spacing: 0px;;width:100%;"><tr style="page-break-inside: avoid;"><td style="width:4%;">&#160;</td><td style="text-align:left;;vertical-align:top;;width:5%;">(b)</td><td style="text-align:left;;vertical-align:top;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; line-height: normal;;text-align:left;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">a second phase, in which the Funder shall make Claims Payments in an aggregate amount no greater than $5,000,000 for the purposes of pursuing the Subject Claim to a final award (&#8220;Phase II Investment Amount&#8221;). </div></div></td></tr></table> <div style="clear: both; max-height: 0px;"></div> <div style="clear: both; max-height: 0px;"></div> <div style="clear: both; max-height: 0px;"></div> <div style="clear: both; max-height: 0px;"></div> <div style="clear: both; max-height: 0px;"></div> <div style="clear: both; max-height: 0px;"></div> <div style="clear: both; max-height: 0px; background: none;"></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">Upon exhaustion of the Phase&#160;I Investment Amount, the Claimholder will have the option to request Tranche&#160;A of the Phase&#160;II Investment Amount, consisting of funding up to $3.5&#160;million (&#8220;Tranche&#160;A Committed Amount&#8221;). Upon exhaustion of the Tranche&#160;A Committed Amount, the Claimholder will have the option to request Tranche&#160;B of the Phase&#160;II Investment Amount, consisting of funding of up to $1.5&#160;million (&#8220;Tranche&#160;B Committed Amount&#8221;). The Claimholder must exercise its option to receive the Tranche&#160;A Committed Amount in writing, no less than thirty days before submitting a Funding Request to the Funder under Tranche&#160;A. The Claimholder must exercise its option to receive the Tranche&#160;B Committed Amount in writing within forty-five days after the exhaustion of the Tranche&#160;A Committed Amount. Pursuant to the Agreement, the Claimholder agreed that, upon exercising the Claimholder&#8217;s option to receive funds under Phase&#160;I, Tranche&#160;A of Phase&#160;II, or Tranche&#160;B of Phase&#160;II, the Funder will be the sole source of third-party funding for the specified fees and expenses of the Subject Claim under each respective phase and tranche covered by the option exercised, and the Claimholder will obtain funding for such fees and expenses, only as set forth in the Agreement. The Funder was due closing fee of $80,000 for the Phase&#160;I Investment Amount, and $80,000 for the Phase&#160;II Investment Amount to pay third parties in connection with due diligence and other administrative and transaction costs incurred by the Funder prior to and in furtherance of execution of the Agreement. </div></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">Upon the Funder making Claims Payments to the Claimholder or its designees in an aggregate amount equal to the Maximum Investment Amount, the Funder has the option to continue funding the specified fees and expenses in relation to the Subject Claim on the same terms and conditions provided in the Agreement. The Funder must exercise its option to continue funding in writing, within thirty days after the Funder has made Claims Payments in an aggregate amount equal to the Maximum Investment Amount. If the Funder exercises its option to continue funding, the parties agreed to attempt in good faith to amend the Agreement to provide the Funder with the right to provide at the Funder&#8217;s discretion funding in excess of the Maximum Investment Amount, in an amount up to the greatest amount that may then be reasonably expected to be committed for investment in Subject Claim. If the Funder declines to exercise its option, the Claimholder may negotiate and enter into agreements with one or more third parties to provide funding, which shall be subordinate to the Funder&#8217;s rights under the Agreement. </div></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">The Agreement provides that the Claimholder may at any time without the consent of the Funder either settle or refuse to settle the Subject Claim for any amount; provided, however, that if the Claimholder settles the Subject Claim without the Funder&#8217;s consent, which consent shall not be unreasonably withheld, conditioned, or delayed, the value of the Recovery Percentage (as defined below) will be deemed to be the greater of (a)&#160;the Recovery Percentage (under Phase&#160;I or Phase&#160;II, as applicable), or (b)&#160;the total amount of all Claims Payments made in connection with such Subject Claim multiplied by three (3). </div></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;">If the Claimholder ceases the Subject Claim for any reason other than (a)&#160;a full and final arbitral award against the Claimholder or (b)&#160;a full and final monetary settlement of the claims, including in particular, for a grant of an environmental permit to the Claimholder allowing it to proceed with the Project (with or without a monetary component), all Claims Payments under Phase&#160;I and, if Claimholder has exercised the corresponding option, the Tranche&#160;A Committed Amount and Tranche&#160;B Committed Amount, shall immediately convert to a senior secured liability of the Claimholder. This sum shall incur an annualized internal rate of return (IRR) of 50.0% retroactive to the date each Funding Request was paid by the Funder (under Phase&#160;I), or, to the conversion date for the Tranche&#160;A Committed Amount and Tranche&#160;B Committed Amount of Phase&#160;II if the Claimholder has exercised the respective option (collectively, the &#8220;Conversion Amount&#8221;). Such Conversion Amount and any and all accrued IRR shall be <div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;">payable&#160;in-full&#160;by</div> the Claimholder within 24 months of the date of such conversion, after which time any outstanding Conversion Amounts, shall accrue an (IRR) of 100.0%, retroactive to the conversion date (the &#8220;Penalty Interest Amount&#8221;). The Claimholder will execute such documents and take other actions as necessary to grant the Funder a senior security interest on and over all sums due and owing by the Claimholder in order to secure its obligation to pay the Conversion Amount to the Funder. If the Claimholder ceases the Subject Claim due to the grant of an environmental permit (with or without a monetary component), all Claims Payments under Phase 1 and, if the Claimholder has exercised the corresponding option, the Tranche A Committed Amount and Tranche B Committed Amount shall immediately convert to a senior secured liability of the Claimholder and shall incur an annualized an IRR of 50.0% on the Conversion Amount, from the conversion date. Management has estimated it is more likely than not the Subject Claim will result in the issuance of the environmental permit requiring us to record interest under Generally Accepted Accounting Principles. Reliance should not be placed on this estimate in determining the likely outcome of the Subject Claim. </div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;">If, at any time after exercising its option to receive funds under either Tranche&#160;A or Tranche&#160;B of Phase&#160;II, the Claimholder wishes to fund the Subject Claim with its own capital (&#8220;Self-Funding&#8221;) (which excludes any Claims Payments made, either directly or indirectly, by any other third party), the Claimholder shall immediately pay to the Funder the Conversion Amount, provided that this requirement shall not apply if, after the Funder has made Claims Payments in an aggregate amount equal to the Maximum Investment Amount, the Funder does not exercise its option to provide <div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;">Follow-On&#160;Funding.</div> </div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;">In the event of any receipt of proceeds resulting from the Subject Claim&#160;(&#8220;Proceeds&#8221;), the Funder shall be entitled to any additional sums above the Conversion Amount to which the Funder is entitled as described below. Should the Claimholder cease the Subject Claim as described above after Self-Funding the Claim, accrued IRR and Penalty Interest shall be calculated and paid to the Funder as set forth above. The Funder&#8217;s rights to the Recovery Percentage as defined below shall survive any decision by Claimholder to utilize Self-Funding. The parties acknowledge this Agreement constitutes a sale of the right to a portion of the Proceeds (if any) arising from the Subject Claim as set forth in this Agreement. The Claimholder has relinquished its right to the portion of the proceeds, if any, that the Funder would have the right to as described below. 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If (a)&#160;Proceeds are paid to or received by the Claimholder or its representatives; (b)&#160;such Proceeds are promptly applied and/or distributed by the Claimholder or on behalf of the Claimholder in accordance with the terms of the Agreement; and (c)&#160;the amount received by the Funder as a result thereof is not sufficient to pay all of the Recovery Percentage and all of the amounts due to the Funder under the Agreement, then (provided that all of the Proceeds which the Funder will ever be entitled to have been paid to or received by the Funder), the Funder shall have no right of recourse or action against the Claimholder or its Representatives, or any of their property, assets, or undertakings, except as otherwise specifically contemplated by the Agreement. Pursuant to the Agreement, the Claimholder acknowledged the Funder&#8217;s priority right, title, and interest in any Proceeds, including against any available collateral to secure its obligations under the Agreement, which security interest shall be first in priority as against all other security interests in the Proceeds. The Claimholder also acknowledged and agreed to execute and authorize the filing of a financing statement or similar and to take such other actions in such jurisdictions as the Funder, in its sole discretion, deems necessary and appropriate to perfect such security interest. 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The exercise price per share is $3.99, and the Funder can exercise the warrant to purchase the number of shares of our common stock equal to the dollar amount of Arbitration Support Funds provided to us pursuant to the Restated Agreement divided by the exercise price per share (subject to customary adjustments and limitations); and </div></div></td></tr></table> <div style="clear: both; max-height: 0px;"></div> <div style="clear: both; max-height: 0px;"></div> <div style="clear: both; max-height: 0px;"></div> <div style="clear: both; max-height: 0px;"></div> <div style="clear: both; max-height: 0px;"></div> <div style="clear: both; max-height: 0px;"></div> <div style="clear: both; max-height: 0px; background: none;"></div> <div style="font-size: 6pt; margin-top: 0pt; margin-bottom: 0pt;"><div style="font-size: 6pt; letter-spacing: 0px; top: 0px;;display:inline;">&#160;</div></div> <table border="0" cellpadding="0" cellspacing="0" style="font-family: &quot;times new roman&quot;; font-size: 10pt; border-collapse: collapse; border-spacing: 0px;;width:100%;"><tr style="page-break-inside: avoid;"><td style="width:4%;">&#160;</td><td style="text-align:left;;vertical-align:top;;width:4%;">&#8226;</td><td style="vertical-align:top;;width:1%;">&#160;</td><td style="text-align:left;;vertical-align:top;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; line-height: normal;;text-align:left;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">All other terms in the Restated Agreement are substantially the same as in the original Agreement. </div></div></td></tr></table> <div style="clear: both; max-height: 0px;"></div> <div style="clear: both; max-height: 0px;"></div> <div style="clear: both; max-height: 0px;"></div> <div style="clear: both; max-height: 0px;"></div> <div style="clear: both; max-height: 0px;"></div> <div style="clear: both; max-height: 0px;"></div> <div style="clear: both; max-height: 0px; background: none;"></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">During 2020, the Funder provided us with $2.0&#160;million of the Arbitration Support Funds, and we incurred $200,000 in related fees that were treated as an additional advance. Upon each funding, the proceeds were allocated between debt and equity for the warrants based on the relative fair value of the two instruments. As a result, there was a debt discount of $1,063,811 which is being amortized over the expected remaining term of the agreement using the effective interest method which is charged to interest expense. </div></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">Although the warrants only become exercisable upon the occurrence of future events, they are considered issued for accounting purposes and were valued using a binomial lattice model. The expected volatility assumption was based on the historical volatility of our common stock. The expected life assumption was primarily based on management&#8217;s expectations of when the Warrants will become exercisable and the risk-free interest rate for the expected term of the warrant is based on the U.S. Treasury yield curve in effect at the time of measurement. </div></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-weight:bold;display:inline;"><div style="font-style:italic;display:inline;;font-style:italic;display:inline;">Second Amendment and Restatement (December 12, 2020) </div></div></div></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">On December&#160;12, 2020, the Claimholder and the Funder entered into a Second Amended and Restated International Claims Enforcement Agreement (the &#8220;Second Restated Agreement&#8221;) relating to the Subject Claim. Under the terms of the Second Restated Agreement, the Funder has made and agreed to make Claims Payments in an aggregate amount not to exceed $20,000,000 (the &#8220;Maximum Investment Amount&#8221;). The Second Restated Agreement requires the Funder to make Claims Payments in an aggregate amount no greater than $10,000,000 for the purposes of pursuing the Subject Claim to a final award (&#8220;Phase&#160;III Investment Amount&#8221;). We also incurred $200,000 in related fees which were treated as an additional advance. This Second Restated Agreement includes the same representations and warranties, covenants, conditions, termination and indemnification provisions, and other provisions as in the original agreement. </div></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">For the three months ended March&#160;31, 2021 and 2020, interest expense in the amount of $1,505,032 and $591,871, respectively, was recorded. For the three months ended March&#160;31, 2021 and 2<div style="letter-spacing: 0px; top: 0px;;display:inline;">02</div>0, we recorded $50,479 and $16,716, respectively, of interest expense from the amortization of the debt discount and $28,982 and $8,511 interest from the fee amortization, respectively. 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The total&#160;</div>face value of this obligation at March&#160;31, 2021 and December&#160;31, 2020 was $12,785,016 and 12,207,477, respectively. </div></div> <div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-weight:bold;display:inline;">Note 10 &#8211; Payroll protection program </div></div></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">We applied to Fifth Third Bancorp (&#8220;Fifth Third&#8221;) under the Small Business Administration (the &#8220;SBA&#8221;) Paycheck Protection Program of the Coronavirus Aid, Relief and Economic Security Act of 2020 (the &#8220;CARES Act&#8221;) for a loan of $370,400 (the &#8220;Loan&#8221;), and the Loan was made on April&#160;16, 2020. The proceeds of the Loan were used to cover payroll costs, rent and utilities in accordance with the relevant terms and conditions of the CARES Act. </div></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;">The Loan, which is evidenced by promissory note issued by us (the &#8220;Promissory Note&#8221;), has <div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;">a&#160;two-year&#160;term,</div> matures on April&#160;16, 2022, and bears interest at a rate of 0.98% per annum. Monthly principal and interest payments, less the amount of any potential forgiveness (discussed below), will commence seven months from the month this Note is dated. We did not provide any collateral or guarantees for the Loan, nor did we pay any facility charge to obtain the Loan. The Promissory Note provides for customary events of default, including, among others, those relating to failure to make payment, bankruptcy, breaches of representations and material adverse effects. Odyssey may prepay the principal of the Loan at any time without incurring any prepayment charges. For the three months ended March&#160;31, 2021, we recorded interest expense in the amount of $941. </div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">The Loan may be forgiven partially or fully if the Loan proceeds are used for covered payroll costs, rent and utilities, provided that such amounts are incurred during the eight-week period that commenced on April&#160;16, 2020, and at least 75% of any forgiven amount has been used for covered payroll costs. During June 2020, the 75% requirement was reduced to 60% and the eight-week period was amended to a 24 week period. Any forgiveness of the Loan will be subject to approval by the SBA and Fifth Third and will require us to apply for such treatment. We applied for 100% forgiveness with Fifth Third Bank during March 2021. </div></div> <div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-weight:bold;display:inline;">Note 11 &#8211; Emergency Injury Disaster Loan </div></div></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">On June&#160;26, 2020, we executed the standard loan documents required for securing an Economic Injury Disaster Loan (the &#8220;EIDL Loan&#8221;) from the United States Small Business Administration (the &#8220;SBA&#8221;). The principal amount of the&#160;EIDL Loan is $149,900, with proceeds to be used for working capital purposes. Interest on the&#160;EIDL Loan accrues at the rate of 3.75% per annum and installment payments, including principal and interest of $731, are due monthly beginning twelve months from the date of the&#160;EIDL Loan. The balance of principal and interest is payable thirty years from the date of the promissory note. In connection with the&#160;EIDL Loan, the Company executed the&#160;EIDL Loan documents, which include the SBA Secured Disaster Loan Note, dated May&#160;16, 2020, the Loan Authorization and Agreement, dated May&#160;16, 2020, and the Security Agreement, dated May&#160;16, 2020, each between the SBA and the Company. </div></div> <div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-weight:bold;display:inline;">Note 12 &#8211; Vendor note payable </div></div></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">We currently owe a vendor $484,009&#160;as an interest-bearing trade payable. This trade payable bears simple annual interest<div style="letter-spacing: 0px; top: 0px;;display:inline;">&#160;at a</div> rate of 12%. As collateral, <div style="letter-spacing: 0px; top: 0px;;display:inline;">we granted the vendor a primary lien</div>&#160;on certain of our equipment. The carrying value of this equipment is zero. This agreement matured in Augus<div style="display:inline;">t</div>&#160;2018. During the period ended June&#160;30, 2018, we sold various marine equipment to Magellan for $1.0&#160;<div style="letter-spacing: 0px; top: 0px;;display:inline;">million and the assumption of this vendor&#8217;s trade payable and accrued interest, however, we remain as guarantor on this trade payable. Included in this equipment is the equipment noted above the vendor has a primary lien on. The vendor consented to Magellan&#8217;s assumption of this debt but did not release us from our obligations. If Magellan defaults and the vendor forecloses on this equipment currently in Magellan&#8217;s possession, we would then have a contingent liability to Magellan in the amount of&#160;</div> $0.5&#160;million for two of the key assets. For the three months ended March&#160;31, 2021 and 2020, </div><div style="letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">we recorded interest expense in the amount of </div></div><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"> $14,321 and $14,480, respectively. </div></div> <div style="text-indent: 4%; font-family: &quot;times new roman&quot;; font-size: 10pt; margin-top: 0px; margin-bottom: 0px; line-height: 12pt;">&#160;</div> <table border="0" style="width:100%; table-layout:fixed;" cellspacing="0" cellpadding="0"><tr><td></td></tr></table><span></span>
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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139949318798584">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Stockholders' Equity (Deficit)<br></strong></div></th>
<th class="th" colspan="1">3 Months Ended</th>
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<tr><th class="th"><div>Mar. 31, 2021</div></th></tr>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockholdersEquityNoteDisclosureTextBlock', window );">Stockholders' Equity (Deficit)</a></td>
<td class="text"><div style="font-family: times new roman; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-weight:bold;display:inline;">NOTE J &#8211; STOCKHOLDERS&#8217; EQUITY (DEFICIT) </div></div></div> <div style="font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-weight:bold;display:inline;">Common Stock </div></div></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">On August&#160;21, 2020, we sold an aggregate of 2,553,314 shares of our common stock and warrants to purchase up to 1,901,989 shares of our common stock. The net proceeds received from sale, after offering expenses of $0.3&#160;million, of which $0.2&#160;million were withheld to cover fees, were $11.2&#160;million. The shares of common stock and warrants were sold in units, with each unit consisting of one share of common stock and a warrant to purchase up to 0.6 shares of common stock. The purchase price for each unit was $4.543. The warrants have an exercise price of $4.75 per share of common stock and are exercisable at any time during the three-year period commencing six months after issuance. </div></div> <div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-weight:bold;display:inline;">Convertible Preferred Stock </div></div></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">On March&#160;11, 2015, we entered into a Stock Purchase Agreement (the &#8220;Purchase Agreement&#8221;) with Penelope Mining LLC (the &#8220;Investor&#8221;), and, solely with respect to certain provisions of the Purchase Agreement, Minera del Norte, S.A. de C.V. 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font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">The closing of the sale and issuance of shares of the Company&#8217;s preferred stock to the Investor is subject to certain conditions, including the Company&#8217;s receipt of required approvals from the Company&#8217;s stockholders, the receipt of regulatory approval, performance by the Company of its obligations under the Stock Purchase Agreement, the listing of the underlying common stock on the NASDAQ Stock Market and the Investor&#8217;s satisfaction, in its sole discretion, with the viability of certain undersea mining projects of the Company. This transaction received stockholders&#8217; approval on June&#160;9, 2015. Completion of the transaction requires amending the Company&#8217;s articles of incorporation to (a)&#160;effect a reverse stock split, which was done on February&#160;19, 2016, (b)&#160;adjusting the Company&#8217;s authorized capitalization, which was also done on February&#160;19, 2016, and (c)&#160;establishing a classified board of directors (collectively, the &#8220;Amendments&#8221;). The Amendments have been or will be set forth in certificates of amendment to the Company&#8217;s articles of incorporation filed or to be filed with the Nevada Secretary of State. </div></div> <div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt; margin-left: 4%;"><div style="display:inline;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-weight:bold;display:inline;"><div style="font-style:italic;display:inline;;font-style:italic;display:inline;">Series AA Convertible Preferred Stock Designation</div></div></div></div></div> <div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-weight:bold;display:inline;"><div style="font-style:italic;display:inline;;font-style:italic;display:inline;"> </div></div></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;">The Purchase Agreement provides for the issuance of up to 8,427,004 shares of Series <div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;">AA-1</div> Convertible Preferred Stock, par value $0.0001 per share (the &#8220;Series <div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;">AA-1</div> Preferred&#8221;) and 7,223,145 shares of Series <div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;">AA-2</div> Convertible Preferred Stock, par value $0.0001 per share (the &#8220;Series <div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;">AA-2</div> Preferred&#8221;), subject to stockholder approval which was received on June&#160;9, 2015 and satisfaction of other conditions. Significant terms and conditions of the Series AA Preferred are as follows: </div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-weight:bold;display:inline;"><div style="font-style:italic;display:inline;;font-style:italic;display:inline;">Dividends</div></div>. If and when the Company declares a dividend and any other distribution (including, without limitation, in cash, in capital stock (which shall include, without limitation, any options, warrants or other rights to acquire capital stock) of the Company, then the holders of each share of Series AA Preferred Stock are entitled to receive, a dividend or distribution in an amount equal to the amount of dividend or distribution received by the holders of common stock for which such share of Series AA Preferred Stock is convertible. </div></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"><div style="font-weight:bold;display:inline;"><div style="font-style:italic;display:inline;;font-style:italic;display:inline;">Liquidation Preference</div></div>. The Liquidation Preference on each share of Series AA Preferred Stock is its Stated Value plus accretion at the rate of 8% per annum compounded on each December&#160;31 from the date of issue of such share until the date such share is converted. For any&#160;accretion&#160;period which is less than a full year, the&#160;Liquidation Preference&#160;shall accrete in an amount to be computed on the basis of a <div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;">360-day</div> year of twelve <div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;">30-day</div> months and the actual number of days elapsed. </div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-weight:bold;display:inline;"><div style="font-style:italic;display:inline;;font-style:italic;display:inline;">Voting Rights</div></div>. The holders of Series AA Preferred will be entitled to one vote for each share of common stock into which the Series AA Preferred is convertible and will be entitled to notice of meetings of stockholders. </div></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"><div style="font-weight:bold;display:inline;"><div style="font-style:italic;display:inline;;font-style:italic;display:inline;">Conversion Rights</div></div>. At any time after the Preferred Shares have been issued, any holder of shares of Series AA Preferred may convert any or all of the shares of preferred stock into one fully paid and <div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;">non-assessable</div> share of Common Stock. </div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-weight:bold;display:inline;"><div style="font-style:italic;display:inline;;font-style:italic;display:inline;">Adjustments to Conversion Rights</div></div>. If Odyssey pays a dividend or makes a distribution on its common stock in shares of common stock, subdivides its outstanding common stock into a greater number of shares, or combines its outstanding common stock into a smaller number of shares, or if there is a reorganization, or a merger or consolidation of Odyssey with or into any other entity which results in a conversion, exchange, or cancellation of the common stock, or a sale of all or substantially all of Odyssey&#8217;s assets, then the conversion rights described above will be adjusted appropriately so that each holder of Series AA Preferred will receive the securities or other consideration the holder would have received if the holder&#8217;s Series AA Preferred had been converted before the happening of the event. The conversion price in effect from time to time is also subject to downward adjustment if we issue or sell shares of common stock for a purchase price less than the conversion price or if we issue or sell shares convertible into or exercisable for shares of common stock with a conversion price or exercise price less than the conversion price for the Series AA Preferred. </div></div> <div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-weight:bold;display:inline;"><div style="font-style:italic;display:inline;;font-style:italic;display:inline;">Accounting considerations </div></div></div></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">As stated above, the issuance of the Series AA Convertible Preferred Stock is subject to certain contingencies. No accounting treatment determination is required until these contingencies are met and the Series AA Convertible Preferred Stock has been issued. However, we have analyzed the instrument to determine the proper accounting treatment that will be necessary once the instruments have been issued. </div></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">ASC 480 generally requires liability classification for financial instruments that are certain to be redeemed, represent obligations to purchase shares of stock or represent obligations to issue a variable number of common shares. We concluded that the Series AA Preferred was not within the scope of ASC 480 because none of the three conditions for liability classification was present. </div></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">ASC 815 generally requires the analysis of embedded terms and features that have characteristics of derivatives to be evaluated for bifurcation and separate accounting in instances where their economic risks and characteristics are not clearly and closely related to the risks of the host contract. However, in order to perform this analysis, we were first required to evaluate the economic risks and characteristics of the Series AA Convertible Preferred Stock in its entirety as being either akin to equity or akin to debt. Our evaluation concluded that the Series AA Convertible Preferred Stock was more akin to an equity-like contract largely due to the fact that most of its features were participatory in nature. As a result, we concluded that the embedded conversion feature is clearly and closely related to the host equity contract and will not require bifurcation and liability classification. </div></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"><div style="display:inline;">The option to purchase the Series AA-2 Convertible Preferred Stock was analyzed as a freestanding financial instrument and has terms and features of derivative financial instruments. However, in analyzing this instrument under applicable guidance it was determined that it is both (i) indexed to the Company&#8217;s stock and (ii) meet the conditions for equity classification.</div> </div> <div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-weight:bold;display:inline;">Warrants </div></div></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">In conjunction with the Note and Warrant Purchase Agreement related to Note 8 &#8211; Operating loan 2018 in NOTE H, we originally issued warrants to purchase an aggregate of 65,625 shares of common stock in connection with the notes that were issued. These warrants had an expiration date of July&#160;21, 2021, an exercise price of $12.00, and were exercisable to purchase 65,625 shares of our common stock. On July&#160;8, 2019 we entered into a Second Amendment to Note and Warrant Purchase Agreement and Warrant Modification Agreement. As a result, the lenders now hold warrants to purchase an aggregate of 196,135 shares of our common stock at an exercise price of $5.756 per share. These warrants are exercisable at any time until July&#160;12, 2024. On August&#160;14, 2020, this loan was modified and extended to July&#160;12, 2021. In conjunction with the extension, the lenders received warrants to purchase an aggregate of 131,996 shares of our common stock at $4.67 per share. These warrants expire on August&#160;14, 2023. </div></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">Included in the Restated Agreement as described in NOTE I, Note 9 &#8211; Litigation financing, during 2019, we issued a warrant allowing the lender to purchase up to 551,378 shares of our common stock at $3.99. The warrant is contingently exercisable and will become exercisable on the date on which we cease the Subject Claim for any reason other than (i)&#160;a full and final arbitral award against the Claimholder or (ii)&#160;a full and final monetary settlement of the claims or the date on which Proceeds are deposited into the Escrow Account. The warrant has a five-year life that commences on the date it becomes exercisable. </div></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">In conjunction with our sale of shares common stock and warrants on August&#160;21, 2020 as described above in Note J, we issued warrants to purchase up to 1,901,989 shares of our common stock. The warrants have an exercise price of $4.75 per share and are exercisable at any time during the three-year period commencing six months after issuance. </div></div> <div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-weight:bold;display:inline;">Stock-Based Compensation </div></div></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">We have three stock incentive plans. The first is the 2005 Stock Incentive Plan that expired in August 2015. After the expiration of this plan, equity instruments cannot be granted but this plan will continue in effect until all outstanding awards have been exercised in full or are no longer exercisable and all equity instruments have vested or been forfeited. </div></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;">On June&#160;9, 2015, our stockholders approved our 2015 Stock Incentive Plan (the &#8220;Plan&#8221;) that was adopted by our Board of Directors (the &#8220;Board&#8221;) on January&#160;2, 2015, which is the effective date. The plan expires on the tenth anniversary of the effective date. The Plan provides for the grant of incentive stock options, <div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;">non-qualified</div> stock options, restricted stock awards, restricted stock units and stock appreciation rights. This plan was initially capitalized with 450,000 shares that may be granted. The Plan is intended to comply with Section&#160;162(m) of the Internal Revenue Code, which stipulates that the maximum aggregate number of Shares with respect to one or more Awards that may be granted to any one person during any calendar year shall be 83,333, and the maximum aggregate amount of cash that may be paid in cash to any person during any calendar year with respect to one or more Awards payable in cash shall be $2,000,000. The original maximum number of shares that were to be used for Incentive Stock Options (&#8220;ISO&#8221;) under the Plan was 450,000. During our June 2016 stockholders meeting, the stockholders approved the addition of 200,000 incremental shares to the Plan. With respect to each grant of an ISO to a participant who is not a ten percent stockholder, the exercise price shall not be less than the fair market value of a share on the date the ISO is granted. With respect to each grant of an ISO to a participant who is a ten percent stockholder, the exercise price shall not be less than one hundred ten percent (110%) of the fair market value of a share on the date the ISO is granted. If an award is a <div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;">non-qualified</div> stock option (&#8220;NQSO&#8221;), the exercise price for each share shall be no less than (1)&#160;the minimum price required by applicable state law, or (2)&#160;the fair market value of a share on the date the NQSO is granted, whichever price is greatest. Any award intended to meet the performance-based exception must be granted with an exercise price not less than the fair market value of a share determined as of the date of such grant. </div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;">On March&#160;26, 2019, our Board of Directors adopted and approved the 2019 Stock Incentive Plan (the &#8220;2019 Plan&#8221;), which was approved by our stockholders on June&#160;3, 2019. The 2019 Plan expires on June&#160;3, 2029. The 2019 Plan provides for the grant of incentive stock options, <div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;">non-qualified</div> stock options, restricted stock awards, restricted stock units and stock appreciation rights. The 2019 Plan is capitalized with 800,000 shares that may be granted. No awards were made from the Plan prior to the effective date. The 2019 Plan includes the following features: no &#8220;evergreen&#8221; share reserve, prohibits liberal share recycling, no repricing permitted without stockholder approval, no stock option reload features, no transfers of awards for value and dividends and dividends equivalent shall accrue and be paid only if and to the extent the common stock underlying the award become vested or payable. </div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">Share-based compensation expense recognized during the period is based on the value of the portion of share-based payment awards that is ultimately expected to vest. As share-based compensation expense recognized in the statement of operations is based on awards ultimately expected to vest, it can be reduced for estimated forfeitures. The ASC topic Stock Compensation requires forfeitures to be estimated at the time of grant and revised, if necessary, in subsequent periods if actual forfeitures differ from those estimates. The share-based compensation charged against income for the three-month period ended March&#160;31, 2021 and 2020, was $281,687 and $105,162, respectively. </div></div> <div style="margin-bottom: 0px; margin-top: 0px;">&#160;</div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">We did not grant stock options to employees or outside directors in the three-months ended March&#160;31, 2021 or 2020. If options were granted, their values would be determined using the Black-Scholes-Merton option-pricing model, which values options based on the stock price at the grant date, the expected life of the option, the estimated volatility of the stock, the expected dividend payments, and the risk-free interest rate over the life of the option. </div></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">The Black-Scholes-Merton option pricing model was developed for estimating the fair value of traded options that have no vesting restrictions and are fully transferable. Because option valuation models require the use of subjective assumptions, changes in these assumptions can materially affect the fair value of the options. Our options do not have the characteristics of traded options; therefore, the option valuation models do not necessarily provide a reliable measure of the fair value of our options. </div></div><table border="0" style="width:100%; table-layout:fixed;" cellspacing="0" cellpadding="0"><tr><td></td></tr></table><span></span>
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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139949246592520">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Concentration of Credit Risk<br></strong></div></th>
<th class="th" colspan="1">3 Months Ended</th>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ConcentrationRiskDisclosureTextBlock', window );">Concentration of Credit Risk</a></td>
<td class="text"><div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-weight:bold;display:inline;">NOTE K &#8211; CONCENTRATION OF CREDIT RISK </div></div></div><div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">We do not currently have any debt obligations with variable interest rates. </div></div><table border="0" style="width:100%; table-layout:fixed;" cellspacing="0" cellpadding="0"><tr><td></td></tr></table><span></span>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The entire disclosure for any concentrations existing at the date of the financial statements that make an entity vulnerable to a reasonably possible, near-term, severe impact. This disclosure informs financial statement users about the general nature of the risk associated with the concentration, and may indicate the percentage of concentration risk as of the balance sheet date.</p></div>
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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139949318196520">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Revenue Participation Rights<br></strong></div></th>
<th class="th" colspan="1">3 Months Ended</th>
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<tr><th class="th"><div>Mar. 31, 2021</div></th></tr>
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<td class="text"><div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-weight:bold;display:inline;">NOTE L &#8211; REVENUE PARTICIPATION RIGHTS </div></div></div>  <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">The Company&#8217;s participating revenue rights consisted of the following at: </div></div> <div style="font-size: 12pt; margin-top: 0pt; margin-bottom: 0pt;"><div style="font-size: 12pt; letter-spacing: 0px; top: 0px;;display:inline;">&#160;</div></div> <table border="0" cellpadding="0" cellspacing="0" style="font-family: &quot;times new roman&quot;; font-size: 10pt; border-collapse: collapse; border-spacing: 0px;;margin : 0px auto;;text-align:left;;width:76%;"><tr style="font-size: 0px;"><td style="width: 72%;"></td><td style="width: 5%;;vertical-align:bottom;"></td><td style="width: 0%;"></td><td style="width: 0%;"></td><td style="width: 0%;"></td><td style="width: 5%;;vertical-align:bottom;"></td><td style="width: 0%;"></td><td style="width: 0%;"></td><td style="width: 0%;"></td></tr><tr style="font-family: times new roman; font-size: 8pt; page-break-inside: avoid;"><td style="padding-bottom: 1pt;;vertical-align:bottom;;width:;">&#160;</td><td style="padding-bottom: 1pt;;vertical-align:bottom;;width:;">&#160;&#160;</td><td colspan="2" style="border-bottom-color: rgb(0, 0, 0); border-bottom-width: 1pt; border-bottom-style: solid;;text-align:center;;vertical-align:bottom;;width:;"><div style="font-weight:bold;display:inline;">March&#160;31,&#160;2021</div></td><td style="padding-bottom: 1pt;;vertical-align:bottom;;width:;">&#160;</td><td style="padding-bottom: 1pt;;vertical-align:bottom;;width:;">&#160;&#160;</td><td colspan="2" style="border-bottom-color: rgb(0, 0, 0); border-bottom-width: 1pt; border-bottom-style: solid;;text-align:center;;vertical-align:bottom;;width:;"><div style="font-weight:bold;display:inline;">December&#160;31,&#160;2020</div></td><td style="padding-bottom: 1pt;;vertical-align:bottom;;width:;">&#160;</td></tr><tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"><td style="background-color: rgb(204, 238, 255); 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margin-bottom: 0pt; border-top: 3px double rgb(0, 0, 0); line-height: normal;">&#160;</div></td><td style="width: 0%;;vertical-align:bottom;"><div style="margin-top: 0pt; margin-bottom: 0pt; border-top: 3px double rgb(0, 0, 0); line-height: normal;">&#160;</div></td><td style="width: 0%;">&#160;</td><td style="width: 5%;;vertical-align:bottom;">&#160;&#160;</td><td style="width: 0%;;vertical-align:bottom;"><div style="margin-top: 0pt; margin-bottom: 0pt; border-top: 3px double rgb(0, 0, 0); line-height: normal;">&#160;</div></td><td style="width: 0%;;vertical-align:bottom;"><div style="margin-top: 0pt; margin-bottom: 0pt; border-top: 3px double rgb(0, 0, 0); line-height: normal;">&#160;</div></td><td style="width: 0%;">&#160;</td></tr></table> <div style="clear: both; max-height: 0px;"></div> <div style="clear: both; max-height: 0px;"></div> <div style="clear: both; max-height: 0px;"></div>  <div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-weight:bold;display:inline;">&#8220;</div><div style="font-weight:bold;display:inline;"><div style="font-style:italic;display:inline;;font-style:italic;display:inline;">Seattle</div></div><div style="font-weight:bold;display:inline;">&#8221; project </div></div></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">In a private placement that closed in September 2000, we sold &#8220;units&#8221; consisting of &#8220;<div style="font-style:italic;display:inline;;font-style:italic;display:inline;">Republic&#8221;</div> Revenue Participation Certificates and Common Stock. Each $50,000 &#8220;unit&#8221; entitled the holder to 1% of the gross revenue generated by the now named &#8220;<div style="font-style:italic;display:inline;;font-style:italic;display:inline;">Seattle</div>&#8221; project (formerly referred to as the &#8220;<div style="font-style:italic;display:inline;;font-style:italic;display:inline;">Republic</div>&#8221; project), and 100,000 shares of Common Stock. Gross revenue is defined as all cash proceeds payable to us as a result of the &#8220;<div style="font-style:italic;display:inline;;font-style:italic;display:inline;">Seattle</div>&#8221; project, excluding funds received by us to finance the project. </div></div> <div style="font-size: 1px; margin-top: 12px; margin-bottom: 0px;"><div style="font-size: 1px; letter-spacing: 0px; top: 0px;;display:inline;">&#160;</div></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">The participat<div style="letter-spacing: 0px; top: 0px;;display:inline;">ion</div>&#160;rights balance will be amortized under the units of revenue method once management can reasonably estimate potential revenue for this project. The RPCs for the &#8220;<div style="font-style:italic;display:inline;;font-style:italic;display:inline;">Seattle&#8221;</div> project do not have a termination date; therefore, these liabilities will be carried on the books until revenue is recognized from the project or we permanently abandon the project. </div></div> <div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-weight:bold;display:inline;">Galt Resources, LLC </div></div></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">In February 2011, we entered into a project syndication deal with Galt Resources LLC (&#8220;Galt&#8221;) for which they invested $7,512,500 representing rights to future revenues of any one project Galt selected prior to December&#160;31, 2011. If the project is successful and generates sufficient proceeds, Galt will recoup their investment plus three times the investment. Galt&#8217;s investment return will be paid out of project proceeds. Galt will receive 50% of project proceeds until this amount is recouped. Thereafter, they will share in additional net proceeds of the project at the rate of 1% for every million invested. Subsequent to the original syndication deal, we reached an agreement permitting Galt to bifurcate their selection between two projects, the SS <div style="font-style:italic;display:inline;;font-style:italic;display:inline;">Gairsoppa</div> and HMS <div style="font-style:italic;display:inline;;font-style:italic;display:inline;">Victory</div> with the residual <div style="letter-spacing: 0px; top: 0px;;display:inline;">1</div>% on additional net proceeds assigned to the HMS <div style="font-style:italic;display:inline;;font-style:italic;display:inline;">Victory</div> project only. The bifurcation resulted in $3,756,250 being allocated to each of the two projects. Therefore, Galt will receive 7.5125% of net proceeds from the HMS <div style="font-style:italic;display:inline;;font-style:italic;display:inline;">Victory</div> project after they recoup their investment of $<div style="letter-spacing: 0px; top: 0px;;display:inline;">3,756,250</div> plus three times the investment. Galt has been paid in full for their share of the <div style="font-style:italic;display:inline;;font-style:italic;display:inline;">Gairsoppa </div>project investment. There are no future payments remaining due to Galt for the <div style="font-style:italic;display:inline;;font-style:italic;display:inline;">Gairsoppa</div> project. Based on the timing of the proceeds earmarked for Galt, the relative corresponding amount of Galt&#8217;s revenue participation right of $3,756,250 was amortized into revenue in 2012 based upon the percent of Galt-related proceeds from the sale of silver as a percentage of total proceeds that Galt earned under the revenue participation agreement ($15.0 million). There is no expiration date on the Galt deal for the HMS <div style="font-style:italic;display:inline;;font-style:italic;display:inline;">Victory</div> project. If the archaeological excavation of the shipwreck is performed and insufficient proceeds are obtained, then the deferred income balance will be recognized as other income. If the archaeological excavation of the shipwreck is performed and sufficient proceeds are obtained, then the deferred income balance will be recognized as revenue. </div></div> <table border="0" style="width:100%; table-layout:fixed;" cellspacing="0" cellpadding="0"><tr><td></td></tr></table><span></span>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The entire disclosure of revenue from contract with customer to transfer good or service and to transfer nonfinancial asset. Includes, but is not limited to, disaggregation of revenue, credit loss recognized from contract with customer, judgment and change in judgment related to contract with customer, and asset recognized from cost incurred to obtain or fulfill contract with customer. Excludes insurance and lease contracts.</p></div>
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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139949238160632">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Summary of Significant Accounting Policies (Policies)<br></strong></div></th>
<th class="th" colspan="1">3 Months Ended</th>
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<tr><th class="th"><div>Mar. 31, 2021</div></th></tr>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EquityMethodInvestmentsAndJointVenturesAbstract', window );"><strong>Equity Method Investments and Joint Ventures [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ConsolidationPolicyTextBlock', window );">Principles of Consolidation</a></td>
<td class="text"><div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-weight:bold;display:inline;">Principles of Consolidation </div></div></div><div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;">The consolidated financial statements include the accounts of the Company and its direct and indirect wholly owned subsidiaries, both domestic and international. Equity investments in which we exercise significant influence but do not control and of which we are not the primary beneficiary are accounted for using the equity method. All significant inter-company and intra-company transactions and balances have been eliminated. The results of operations attributable to the <div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;">non-controlling</div> interest are presented within equity and net income and are shown separately from the Company&#8217;s equity and net income attributable to the Company. Some of the existing inter-company balances, which are eliminated upon consolidation, include features allowing the liability to be converted into equity of a subsidiary, which if exercised, could increase the direct or indirect interest of the Company in the <div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;">non-wholly</div> owned subsidiaries. </div><table border="0" style="width:100%; table-layout:fixed;" cellspacing="0" cellpadding="0"><tr><td></td></tr></table><span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_UseOfEstimates', window );">Use of Estimates</a></td>
<td class="text"><div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-weight:bold;display:inline;">Use of Estimates </div></div></div><div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">Management uses estimates and assumptions in preparing these consolidated financial statements in accordance with U.S. GAAP. Those estimates and assumptions affect the reported amounts of assets and liabilities, the disclosure of contingent assets and liabilities, and the reported revenues and expenses. Actual results could vary from the estimates that were used. </div></div><table border="0" style="width:100%; table-layout:fixed;" cellspacing="0" cellpadding="0"><tr><td></td></tr></table><span></span>
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<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_ReclassificationsPolicyTextBlock', window );">Reclassifications</a></td>
<td class="text"><div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"><div style="letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-weight:bold;display:inline;">Reclassifications </div></div></div></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"><div style="letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">Certain reclassifications have been made to the 2020 consolidated financial statements in order to conform to the classifications used in 2021. The reclassifications had no impact to operations or working capital. </div></div></div><table border="0" style="width:100%; table-layout:fixed;" cellspacing="0" cellpadding="0"><tr><td></td></tr></table><span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueRecognitionPolicyTextBlock', window );">Revenue Recognition and Accounts Receivable</a></td>
<td class="text"><div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"><div style="letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-weight:bold;display:inline;">Revenue Recognition and Accounts Receivable </div></div></div></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"><div style="letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">Revenue is recognized when a customer obtains control of promised goods or services, in an amount that reflects the consideration which the Company expects to receive in exchange for those goods or services. To determine revenue recognition for arrangements that the Company determines are within the scope of ASC Topic 606, the Company performs the following five steps: (i)&#160;identify the contract(s) with a customer; (ii)&#160;identify the performance obligations in the contract; (iii)&#160;determine the transaction price; (iv)&#160;allocate the transaction price to the performance obligations in the contract; and (v)&#160;recognize revenue when (or as) the Company satisfies a performance obligation. The Company only applies the five-step model to contracts when it is probable that the Company will collect the consideration it is entitled to in exchange for the goods or services it transfers to the customer. At contract inception, once the contract is determined to be within the scope of ASC Topic 606, the Company assesses the goods or services promised within each contract and determines those that are performance obligations and assesses whether each promised good or service is distinct. The Company then recognizes as revenue the amount of the transaction price that is allocated to the respective performance obligation when (or as) the performance obligation is satisfied. Sales, value add, and other taxes collected on behalf of third parties are excluded from revenue. </div></div></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"><div style="letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">The Company currently generates revenues from service contracts with customers. Currently, there are two sources of revenue, marine services and other services. The contracts for these services provide research, scientific services, marine operations planning, management execution and project management. These services are billed generally on a monthly basis and recognized as revenue as the services are performed. Revenue is recognized at a point in time as services are provided, as the customers simultaneously receive and consume the benefits provided by the Company each month. The Company generally does not receive any upfront consideration for these services, and there is no variable consideration for the services.&#160;Costs associated with both services include all direct consulting labor, and minimal supplies, and is charged to operations as a component of Operations and Research. </div></div></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"><div style="letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">Accounts receivable are based on amounts billed to customers. Generally accepted accounting principles state an estimate is to be made for an allowance for doubtful accounts. We have determined no allowance is currently necessary. If we were to have a recorded allowance, the accounts receivable would be stated net of the recorded allowance. </div></div></div><table border="0" style="width:100%; table-layout:fixed;" cellspacing="0" cellpadding="0"><tr><td></td></tr></table><span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CashAndCashEquivalentsPolicyTextBlock', window );">Cash and Cash Equivalents</a></td>
<td class="text"><div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-weight:bold;display:inline;">Cash and Cash Equivalents </div></div></div><div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">Cash and cash equivalents include cash on hand and cash in banks. We also consider all highly liquid investments with a maturity of three months or less when purchased to be cash equivalents. </div></div><table border="0" style="width:100%; table-layout:fixed;" cellspacing="0" cellpadding="0"><tr><td></td></tr></table><span></span>
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<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_ExplorationLicensesPolicyTextBlock', window );">Exploration License</a></td>
<td class="text"><div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"><div style="letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-weight:bold;display:inline;">Exploration License </div></div></div></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"><div style="letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">The Company follows the guidance pursuant to ASU 350, &#8220;<div style="font-style:italic;display:inline;;font-style:italic;display:inline;">Intangibles-Goodwill and Other</div>&#8221; in accounting for its Exploration License (see NOTE&#160;E). Management determined the rights to use the license to have an indefinite life. This assessment is based on the historical success of renewing the license since 2006, and the fact that management believes there are no legal, regulatory, or contractual provisions that would limit the useful life of the asset. The exploration license is not dependent on another asset or group of assets that could potentially limit the useful life of the exploration license. In the future, the recoverability of the license will be tested whenever circumstances indicate that its carrying amount may not be recoverable per the guidance of the Accounting Standards Codification (&#8220;ASC&#8221;) for topic 360 for Property, Plant and Equipment<div style="font-style:italic;display:inline;;font-style:italic;display:inline;">.</div> </div></div></div><table border="0" style="width:100%; table-layout:fixed;" cellspacing="0" cellpadding="0"><tr><td></td></tr></table><span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock', window );">Long-Lived Assets</a></td>
<td class="text"><div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-weight:bold;display:inline;">Long-Lived Assets </div></div></div><div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">Our policy is to recognize impairment losses relating to long-lived assets in accordance with the ASC 360 Property, Plant and Equipment. Decisions are based on several factors, including, but not limited to, management&#8217;s plans for future operations, recent operating results and projected cash flows. Impairment losses are included in depreciation at the time of impairment. We did not have any impairments in 2021 or 2020. </div></div><table border="0" style="width:100%; table-layout:fixed;" cellspacing="0" cellpadding="0"><tr><td></td></tr></table><span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock', window );">Property and Equipment and Depreciation</a></td>
<td class="text"><div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-weight:bold;display:inline;">Property and Equipment and Depreciation </div></div></div><div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">Property and equipment is stated at historical cost. Depreciation is calculated using the straight-line method at rates based on the assets&#8217; estimated useful lives which are normally between three and thirty years. Leasehold improvements are amortized over their estimated useful lives or lease term, if shorter. Items that may require major overhauls (such as marine equipment) that enhance or extend the useful life of these assets qualify to be capitalized and depreciated over the useful life or remaining life of that asset, whichever was shorter. All other repairs and maintenance were accounted for under the direct-expensing method and are expensed when incurred. </div></div><table border="0" style="width:100%; table-layout:fixed;" cellspacing="0" cellpadding="0"><tr><td></td></tr></table><span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EarningsPerSharePolicyTextBlock', window );">Earnings Per Share</a></td>
<td class="text"><div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-weight:bold;display:inline;">Earnings Per Share </div></div></div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;">Basic earnings per share (&#8220;EPS&#8221;) is computed by dividing income available to common stockholders by the weighted-average number of common shares outstanding for the period. In periods when the Company has income, the Company would calculate basic earnings per share using the <div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;">two-class</div> method, if required, pursuant to ASC 260 <div style="font-style:italic;display:inline;;font-style:italic;display:inline;">Earnings Per Share.</div> The <div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;">two-class</div> method was required effective with the issuance of certain senior convertible notes in the past because these notes qualified as a participating security, giving the holder the right to receive dividends should dividends be declared on common stock. Under the <div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;">two-class</div> method, earnings for a period are allocated on a pro rata basis to the common stockholders and to the holders of convertible notes based on the weighted average number of common shares outstanding and number of shares that could be issued upon conversion. The Company does not use the <div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;">two-class</div> method in periods when it generates a loss because the holder of the convertible notes does not participate in losses. Currently, we do not have any outstanding convertible notes that qualify as a participating security. </div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;">Diluted EPS reflects the potential dilution that would occur if dilutive securities and other contracts to issue common stock were exercised or converted into common stock or resulted in the issuance of common stock that then shared in our earnings. We use the <div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;">if-converted</div> method to compute potential common shares from stock options, restricted stock units, warrants, preferred stock, convertible notes or other convertible securities. For diluted earnings per share, the Company uses the more dilutive of the <div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;">if-converted</div> method or <div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;">two-class</div> method. When a net loss occurs, potential common shares have an anti-dilutive effect on earnings per share and such shares are excluded from the diluted EPS calculation. </div> <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;">For the three-months ended March&#160;31, 2021 and 2020, the weighted average common shares outstanding <div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;"><div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;">year-to-date</div></div> were 12,610,924 and 9,517,664, respectively. For the periods in which net losses occurred, all potential common shares were excluded from diluted EPS because the effect of including such shares would be anti-dilutive. </div>  <div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;">The potential common shares in the following tables represent potential common shares calculated using the <div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;">if-converted</div> method from outstanding options, stock awards and warrants that were excluded from the calculation of diluted EPS: </div> <div style="font-size: 12pt; margin-top: 0pt; margin-bottom: 0pt;"><div style="font-size: 12pt; letter-spacing: 0px; top: 0px;;display:inline;">&#160;</div></div> <table border="0" cellpadding="0" cellspacing="0" style="font-family: &quot;times new roman&quot;; font-size: 10pt; border-spacing: 0px;;margin : 0px auto;;text-align:left;;width:76%;"><tr style="font-size: 0px;"><td style="width:70%;"></td><td style="vertical-align:bottom;;width:10%;"></td><td></td><td></td><td></td><td style="vertical-align:bottom;;width:10%;"></td><td></td><td></td><td></td></tr><tr style="font-family: times new roman; font-size: 8pt; page-break-inside: avoid;"><td style="vertical-align:bottom;">&#160;</td><td style="vertical-align:bottom;">&#160;&#160;</td><td colspan="6" style="text-align:center;;vertical-align:bottom;"><div style="font-weight:bold;display:inline;">Three Months Ended</div></td><td style="vertical-align:bottom;">&#160;</td></tr><tr style="font-family: times new roman; font-size: 8pt; page-break-inside: avoid;"><td style="padding-bottom: 0.7pt;;vertical-align:bottom;">&#160;</td><td style="padding-bottom: 0.7pt;;vertical-align:bottom;">&#160;&#160;</td><td colspan="2" style="border-bottom: 1pt solid rgb(0, 0, 0);;text-align:center;;vertical-align:bottom;"><div style="font-weight:bold;display:inline;">March&#160;31,&#160;2021</div></td><td style="padding-bottom: 0.7pt;;vertical-align:bottom;">&#160;</td><td style="padding-bottom: 0.7pt;;vertical-align:bottom;">&#160;&#160;</td><td colspan="2" style="border-bottom: 1pt solid rgb(0, 0, 0);;text-align:center;;vertical-align:bottom;"><div style="font-weight:bold;display:inline;">March&#160;31,&#160;2020</div></td><td style="padding-bottom: 0.7pt;;vertical-align:bottom;">&#160;</td></tr><tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"><td style="background-color: rgb(204, 238, 255);;vertical-align:top;"><div style="text-indent: -1em; font-family: &quot;times new roman&quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px; background-color: rgb(204, 238, 255);;display:inline;">Average market price during the period</div></div></td><td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;">&#160;&#160;</td><td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;">$</td><td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;">7.30</td><td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;">&#160;</td><td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;">&#160;&#160;</td><td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;">$</td><td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;">3.81</td><td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;">&#160;</td></tr><tr style="font-size: 1pt;"><td style="font-family: &quot;times new roman&quot;;;height:8;">&#160;</td><td colspan="4" style="font-family: &quot;times new roman&quot;;;height:8;">&#160;</td><td colspan="4" style="font-family: &quot;times new roman&quot;;;height:8;">&#160;</td></tr><tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"><td style="vertical-align:top;"><div style="text-indent: -1em; font-family: &quot;times new roman&quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">In the money potential common shares from options excluded</div></div></td><td style="vertical-align:bottom;">&#160;&#160;</td><td style="white-space: nowrap;;vertical-align:bottom;">&#160;</td><td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;">22,493</td><td style="white-space: nowrap;;vertical-align:bottom;">&#160;</td><td style="vertical-align:bottom;">&#160;&#160;</td><td style="white-space: nowrap;;vertical-align:bottom;">&#160;</td><td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;">22,493</td><td style="white-space: nowrap;;vertical-align:bottom;">&#160;</td></tr><tr style="font-family: times new roman; 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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxPolicyTextBlock', window );">Income Taxes</a></td>
<td class="text"><div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-weight:bold;display:inline;">Income Taxes </div></div></div><div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">Income taxes are accounted for using an asset and liability approach that requires the recognition of deferred tax assets and liabilities for the expected future tax consequences attributable to differences between financial statement carrying amounts of existing assets and liabilities and their respective tax bases. A valuation allowance is provided when it is more likely than not that some portion or the entire deferred tax asset will not be realized. </div></div><table border="0" style="width:100%; table-layout:fixed;" cellspacing="0" cellpadding="0"><tr><td></td></tr></table><span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy', window );">Stock-based Compensation</a></td>
<td class="text"><div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-weight:bold;display:inline;">Stock-based Compensation </div></div></div><div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">Our stock-based compensation is recorded in accordance with the guidance in the ASC topic for <div style="font-style:italic;display:inline;;font-style:italic;display:inline;">Stock-Based Compensation</div> (See NOTE J). </div></div><table border="0" style="width:100%; table-layout:fixed;" cellspacing="0" cellpadding="0"><tr><td></td></tr></table><span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueOfFinancialInstrumentsPolicy', window );">Fair Value of Financial Instruments</a></td>
<td class="text"><div style="font-family: times new roman; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-weight:bold;display:inline;">Fair Value of Financial Instruments </div></div></div><div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">Financial instruments consist of cash, evidence of ownership in an entity, and contracts that both (i)&#160;impose on one entity a contractual obligation to deliver cash or another financial instrument to a second entity, or to exchange other financial instruments on potentially unfavorable terms with the second entity, and (ii)&#160;conveys to that second entity a contractual right (a)&#160;to receive cash or another financial instrument from the first entity, or (b)&#160;to exchange other financial instruments on potentially favorable terms with the first entity. Accordingly, our financial instruments consist of cash and cash equivalents, accounts receivable, accounts payable, accrued liabilities, derivative financial instruments and mortgage and loans payable. We carry cash and cash equivalents, accounts payable and accrued liabilities, and mortgage and loans payable at the approximate fair market value, and, accordingly, these estimates are not necessarily indicative of the amounts that we could realize in a current market exchange. We carry derivative financial instruments at fair value as is required under current accounting standards. </div></div><div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;">Derivative financial instruments consist of financial instruments or other contracts that contain a notional amount and one or more underlying variables (e.g., interest rate, security price or other variable), require no initial net investment and permit net settlement. Derivative financial instruments may be free-standing or embedded in other financial instruments. Further, derivative financial instruments are initially, and subsequently, measured at fair value and recorded as liabilities or, in rare instances, assets. We generally do not use derivative financial instruments to hedge exposures to cash-flow, market or foreign-currency risks. However, we have entered into certain other financial instruments and contracts with features that are either (i)&#160;not afforded equity classification, (ii)&#160;embody risks not clearly and closely related to host contracts, or (iii)&#160;may be <div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;">net-cash</div> settled by the counterparty. As required by ASC 815 &#8211; <div style="font-style:italic;display:inline;;font-style:italic;display:inline;">Derivatives and Hedging</div>, these instruments are required to be carried as derivative liabilities, at fair value, in our financial statements with changes in fair value reflected in our income. </div><div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">We adopted ASC Topic 820 for certain financial instruments measured as fair value on a recurring basis. ASC Topic 820 defines fair value, established a framework for measuring fair value in accordance with accounting principles generally accepted in the United States and expands disclosures about fair value measurements. Fair value is defined as the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date. ASC Topic 820 established a three-tier fair value hierarchy which prioritizes the inputs used in measuring fair value. </div></div><div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">The hierarchy gives the highest priority to unadjusted quoted prices in active markets for identical assets or liabilities (level 1 measurements) and the lowest priority to unobservable inputs (level 3 measurements). These tiers include: </div></div><div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-style:italic;display:inline;;font-style:italic;display:inline;">Fair Value Hierarchy </div></div></div><div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">The three levels of inputs that may be used to measure fair value are as follows: </div></div><div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-style:italic;display:inline;;font-style:italic;display:inline;">Level</div><div style="font-style:italic;display:inline;;font-style:italic;display:inline;">&#160;1.</div><div style="font-style:italic;display:inline;;font-style:italic;display:inline;">&#160;</div>Quoted prices in active markets for identical assets or liabilities. </div></div><div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"><div style="font-style:italic;display:inline;;font-style:italic;display:inline;">Level</div><div style="font-style:italic;display:inline;;font-style:italic;display:inline;">&#160;2.</div><div style="font-style:italic;display:inline;;font-style:italic;display:inline;">&#160;</div>Observable inputs other than Level&#160;1 prices, such as quoted prices for similar assets or liabilities, quoted prices in markets with insufficient volume or infrequent transactions (less active markets), or model-derived valuations in which all significant inputs are observable or can be derived principally from or corroborated with observable market data for substantially the full term of the assets or liabilities. Level&#160;2 inputs also include <div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;">non-binding</div> market consensus prices that can be corroborated with observable market data, as well as quoted prices that were adjusted for security-specific restrictions. </div><div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"><div style="font-style:italic;display:inline;;font-style:italic;display:inline;">Level</div><div style="font-style:italic;display:inline;;font-style:italic;display:inline;">&#160;3.</div><div style="font-style:italic;display:inline;;font-style:italic;display:inline;">&#160;</div>Unobservable inputs to the valuation methodology are significant to the measurement of the fair value of assets or liabilities. Level&#160;3 inputs also include <div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;">non-binding</div> market consensus prices or <div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;">non-binding</div> broker quotes that we were unable to corroborate with observable market data. </div><table border="0" style="width:100%; table-layout:fixed;" cellspacing="0" cellpadding="0"><tr><td></td></tr></table><span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SubsequentEventsPolicyPolicyTextBlock', window );">Subsequent Events</a></td>
<td class="text"><div style="font-family: times new roman; font-size: 10pt; margin-top: 18pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-weight:bold;display:inline;">Subsequent Events </div></div></div><div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;">We have evaluated subsequent events for recognition or disclosure through the date this Form <div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;">10-Q</div> is filed with the Securities and Exchange Commission. </div><table border="0" style="width:100%; table-layout:fixed;" cellspacing="0" cellpadding="0"><tr><td></td></tr></table><span></span>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Exploration Licenses.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Reclassifications.</p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for cash and cash equivalents, including the policy for determining which items are treated as cash equivalents. Other information that may be disclosed includes (1) the nature of any restrictions on the entity's use of its cash and cash equivalents, (2) whether the entity's cash and cash equivalents are insured or expose the entity to credit risk, (3) the classification of any negative balance accounts (overdrafts), and (4) the carrying basis of cash equivalents (for example, at cost) and whether the carrying amount of cash equivalents approximates fair value.</p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy regarding (1) the principles it follows in consolidating or combining the separate financial statements, including the principles followed in determining the inclusion or exclusion of subsidiaries or other entities in the consolidated or combined financial statements and (2) its treatment of interests (for example, common stock, a partnership interest or other means of exerting influence) in other entities, for example consolidation or use of the equity or cost methods of accounting.  The accounting policy may also address the accounting treatment for intercompany accounts and transactions, noncontrolling interest, and the income statement treatment in consolidation for issuances of stock by a subsidiary.</p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for computing basic and diluted earnings or loss per share for each class of common stock and participating security. Addresses all significant policy factors, including any antidilutive items that have been excluded from the computation and takes into account stock dividends, splits and reverse splits that occur after the balance sheet date of the latest reporting period but before the issuance of the financial statements.</p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for determining the fair value of financial instruments.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 820<br> -SubTopic 10<br> -Section 60<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=7493716&amp;loc=d3e21868-110260<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 825<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=121572278&amp;loc=d3e13279-108611<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=84158767&amp;loc=d3e18780-107790<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
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<td style="white-space:nowrap;">us-gaap_FairValueOfFinancialInstrumentsPolicy</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for recognizing and measuring the impairment of long-lived assets. An entity also may disclose its accounting policy for long-lived assets to be sold. This policy excludes goodwill and intangible assets.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 05<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=109226317&amp;loc=d3e202-110218<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=84158767&amp;loc=d3e18780-107790<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SAB Topic 5.CC)<br> -URI http://asc.fasb.org/extlink&amp;oid=27011434&amp;loc=d3e125687-122742<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for income taxes, which may include its accounting policies for recognizing and measuring deferred tax assets and liabilities and related valuation allowances, recognizing investment tax credits, operating loss carryforwards, tax credit carryforwards, and other carryforwards, methodologies for determining its effective income tax rate and the characterization of interest and penalties in the financial statements.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 45<br> -Paragraph 25<br> -URI http://asc.fasb.org/extlink&amp;oid=120406818&amp;loc=d3e32247-109318<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 20<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32847-109319<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 954<br> -SubTopic 740<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6491622&amp;loc=d3e9504-115650<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=84158767&amp;loc=d3e18780-107790<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 19<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32840-109319<br><br>Reference 6: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=116657188&amp;loc=SL116659661-227067<br><br>Reference 7: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 9<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32639-109319<br><br>Reference 8: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -URI http://asc.fasb.org/extlink&amp;oid=120406818&amp;loc=d3e32280-109318<br><br>Reference 9: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 17<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32809-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeTaxPolicyTextBlock</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for long-lived, physical asset used in normal conduct of business and not intended for resale. Includes, but is not limited to, work of art, historical treasure, and similar asset classified as collections.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 958<br> -SubTopic 360<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (d)<br> -URI http://asc.fasb.org/extlink&amp;oid=120429125&amp;loc=d3e99779-112916<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.13(a))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 958<br> -SubTopic 360<br> -Section 50<br> -Paragraph 6<br> -URI http://asc.fasb.org/extlink&amp;oid=120429125&amp;loc=d3e99893-112916<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6391035&amp;loc=d3e2868-110229<br><br>Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=84158767&amp;loc=d3e18780-107790<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for revenue. Includes revenue from contract with customer and from other sources.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -Subparagraph (e)<br> -URI http://asc.fasb.org/extlink&amp;oid=84158767&amp;loc=d3e18823-107790<br><br>Reference 2: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -Subparagraph (f)<br> -URI http://asc.fasb.org/extlink&amp;oid=84158767&amp;loc=d3e18823-107790<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for award under share-based payment arrangement. Includes, but is not limited to, methodology and assumption used in measuring cost.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=84158767&amp;loc=d3e18780-107790<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (b),(f)<br> -URI http://asc.fasb.org/extlink&amp;oid=120381028&amp;loc=d3e5070-113901<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=120381028&amp;loc=d3e5047-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for reporting subsequent events.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=84158767&amp;loc=d3e18780-107790<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_SubsequentEventsPolicyPolicyTextBlock</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for the use of estimates in the preparation of financial statements in conformity with generally accepted accounting principles.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 275<br> -SubTopic 10<br> -Section 50<br> -Paragraph 12<br> -URI http://asc.fasb.org/extlink&amp;oid=99393423&amp;loc=d3e6191-108592<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 275<br> -SubTopic 10<br> -Section 50<br> -Paragraph 11<br> -URI http://asc.fasb.org/extlink&amp;oid=99393423&amp;loc=d3e6161-108592<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 275<br> -SubTopic 10<br> -Section 50<br> -Paragraph 9<br> -URI http://asc.fasb.org/extlink&amp;oid=99393423&amp;loc=d3e6143-108592<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 275<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=99393423&amp;loc=d3e5967-108592<br><br>Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 275<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=99393423&amp;loc=d3e6061-108592<br><br>Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 275<br> -SubTopic 10<br> -Section 50<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=99393423&amp;loc=d3e6132-108592<br><br>Reference 7: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 275<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=99393423&amp;loc=d3e5967-108592<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_UseOfEstimates</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td>na</td>
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<td>duration</td>
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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139949239833480">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Summary of Significant Accounting Policies (Tables)<br></strong></div></th>
<th class="th" colspan="1">3 Months Ended</th>
</tr>
<tr><th class="th"><div>Mar. 31, 2021</div></th></tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock', window );">Reconciliation of Numerators and Denominators used in Computing Basic and Diluted Net Income Per Share</a></td>
<td class="text"><div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">The following is a reconciliation of the numerators and denominators used in computing basic and diluted net income per share: </div></div><div style="font-size: 12pt; margin-top: 0pt; margin-bottom: 0pt;"><div style="font-size: 12pt; letter-spacing: 0px; top: 0px;;display:inline;">&#160;</div></div><table border="0" cellpadding="0" cellspacing="0" style="font-family: &quot;times new roman&quot;; font-size: 10pt; border-collapse: collapse; border-spacing: 0px;;margin : 0px auto;;text-align:left;;width:76%;"><tr style="font-size: 0px;"><td style="width:71%;"></td><td style="vertical-align:bottom;;width:5%;"></td><td></td><td></td><td></td><td style="vertical-align:bottom;;width:4%;"></td><td></td><td></td><td></td></tr><tr style="font-family: times new roman; 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font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">Net (loss) per share &#8211; basic</div></div></td><td style="vertical-align:bottom;">&#160;&#160;</td><td style="white-space: nowrap;;vertical-align:bottom;">$</td><td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;">(0.29</td><td style="white-space: nowrap;;vertical-align:bottom;">)&#160;</td><td style="vertical-align:bottom;">&#160;&#160;</td><td style="white-space: nowrap;;vertical-align:bottom;">$</td><td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;">(0.30</td><td style="white-space: nowrap;;vertical-align:bottom;">)&#160;</td></tr><tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"><td style="background-color: rgb(204, 238, 255);;vertical-align:top;"><div style="text-indent: -1em; font-family: &quot;times new roman&quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px; background-color: rgb(204, 238, 255);;display:inline;">Net (loss) per share &#8211; diluted</div></div></td><td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;">&#160;&#160;</td><td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;">$</td><td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;">(0.29</td><td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;">)&#160;</td><td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;">&#160;&#160;</td><td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;">$</td><td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;">(0.30</td><td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;">)&#160;</td></tr></table><table border="0" style="width:100%; table-layout:fixed;" cellspacing="0" cellpadding="0"><tr><td></td></tr></table><span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis=omex_InMoneyPotentialCommonSharesMember', window );">In the Money Potential Common Shares [Member]</a></td>
<td class="text">&#160;<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock', window );">Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share</a></td>
<td class="text"><div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;">The potential common shares in the following tables represent potential common shares calculated using the <div style="white-space: nowrap; letter-spacing: 0px; top: 0px;;display:inline;">if-converted</div> method from outstanding options, stock awards and warrants that were excluded from the calculation of diluted EPS: </div><div style="font-size: 12pt; margin-top: 0pt; margin-bottom: 0pt;"><div style="font-size: 12pt; letter-spacing: 0px; top: 0px;;display:inline;">&#160;</div></div><table border="0" cellpadding="0" cellspacing="0" style="font-family: &quot;times new roman&quot;; font-size: 10pt; border-collapse: collapse; border-spacing: 0px;;margin : 0px auto;;text-align:left;;width:76%;"><tr style="font-size: 0px;"><td style="width:70%;"></td><td style="vertical-align:bottom;;width:10%;"></td><td></td><td></td><td></td><td style="vertical-align:bottom;;width:10%;"></td><td></td><td></td><td></td></tr><tr style="font-family: times new roman; font-size: 8pt; page-break-inside: avoid;"><td style="vertical-align:bottom;">&#160;</td><td style="vertical-align:bottom;">&#160;&#160;</td><td colspan="6" style="text-align:center;;vertical-align:bottom;"><div style="font-weight:bold;display:inline;">Three Months Ended</div></td><td style="vertical-align:bottom;">&#160;</td></tr><tr style="font-family: times new roman; font-size: 8pt; page-break-inside: avoid;"><td style="padding-bottom: 1pt;;vertical-align:bottom;">&#160;</td><td style="padding-bottom: 1pt;;vertical-align:bottom;">&#160;&#160;</td><td colspan="2" style="border-bottom-color: rgb(0, 0, 0); border-bottom-width: 1pt; border-bottom-style: solid;;text-align:center;;vertical-align:bottom;"><div style="font-weight:bold;display:inline;">March&#160;31,&#160;2021</div></td><td style="padding-bottom: 1pt;;vertical-align:bottom;">&#160;</td><td style="padding-bottom: 1pt;;vertical-align:bottom;">&#160;&#160;</td><td colspan="2" style="border-bottom-color: rgb(0, 0, 0); border-bottom-width: 1pt; border-bottom-style: solid;;text-align:center;;vertical-align:bottom;"><div style="font-weight:bold;display:inline;">March&#160;31,&#160;2020</div></td><td style="padding-bottom: 1pt;;vertical-align:bottom;">&#160;</td></tr><tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"><td style="background-color: rgb(204, 238, 255);;vertical-align:top;"><div style="text-indent: -1em; font-family: &quot;times new roman&quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px; background-color: rgb(204, 238, 255);;display:inline;">Average market price during the period</div></div></td><td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;">&#160;&#160;</td><td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;">$</td><td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;">7.30</td><td style="white-space: nowrap; 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margin-bottom: 0pt; margin-left: 1em; line-height: normal;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">In the money potential common shares from options excluded</div></div></td><td style="vertical-align:bottom;">&#160;&#160;</td><td style="white-space: nowrap;;vertical-align:bottom;">&#160;</td><td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;">22,493</td><td style="white-space: nowrap;;vertical-align:bottom;">&#160;</td><td style="vertical-align:bottom;">&#160;&#160;</td><td style="white-space: nowrap;;vertical-align:bottom;">&#160;</td><td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;">22,493</td><td style="white-space: nowrap;;vertical-align:bottom;">&#160;</td></tr><tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"><td style="background-color: rgb(204, 238, 255);;vertical-align:top;"><div style="text-indent: -1em; font-family: &quot;times new roman&quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px; background-color: rgb(204, 238, 255);;display:inline;">In the money potential common shares from warrants excluded</div></div></td><td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;">&#160;&#160;</td><td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;">&#160;</td><td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;">3,481,314</td><td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;">&#160;</td><td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;">&#160;&#160;</td><td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;">&#160;</td><td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;">120,000</td><td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;">&#160;</td></tr></table><table border="0" style="width:100%; table-layout:fixed;" cellspacing="0" cellpadding="0"><tr><td></td></tr></table><span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis=omex_OutOfMoneyPotentialCommonSharesMember', window );">Out of Money Potential Common Shares [Member]</a></td>
<td class="text">&#160;<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock', window );">Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share</a></td>
<td class="text"><div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">Potential common shares from out of the money options and warrants were also excluded from the computation of diluted EPS because calculation of the associated potential common shares has an anti-dilutive effect on EPS. 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<td class="text">&#160;<span></span>
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<tr class="re">
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by antidilutive securities.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=6371337&amp;loc=d3e3550-109257<br></p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations.</p></div>
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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139949244980648">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Accounts Receivable and Other (Tables)<br></strong></div></th>
<th class="th" colspan="1">3 Months Ended</th>
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<tr><th class="th"><div>Mar. 31, 2021</div></th></tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of the various types of trade accounts and notes receivable and for each the gross carrying value, allowance, and net carrying value as of the balance sheet date. Presentation is categorized by current, noncurrent and unclassified receivables.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.3,4)<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139949238086520">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Exploration License (Tables)<br></strong></div></th>
<th class="th" colspan="1">3 Months Ended</th>
</tr>
<tr><th class="th"><div>Mar. 31, 2021</div></th></tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_ExplorationLicenseAbstract', window );"><strong>Exploration License [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
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</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_ScheduleOfBusinessCombinationConsiderationPaidTableTextBlock', window );">Schedule of Consideration Paid for the Asset Acquisition Consisted</a></td>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfRecognizedIdentifiedAssetsAcquiredAndLiabilitiesAssumedTableTextBlock', window );">Schedule of Consideration Was Allocated</a></td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of business combination consideration paid.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of the amounts recognized as of the acquisition date for each major class of assets acquired and liabilities assumed. May include but not limited to the following: (a) acquired receivables; (b) contingencies recognized at the acquisition date; and (c) the fair value of noncontrolling interests in the acquiree.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 805<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=121647850&amp;loc=d3e4845-128472<br></p></div>
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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139949244702232">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Income Taxes (Tables)<br></strong></div></th>
<th class="th" colspan="1">3 Months Ended</th>
</tr>
<tr><th class="th"><div>Mar. 31, 2021</div></th></tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxDisclosureAbstract', window );"><strong>Income Tax Disclosure [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
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</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SummaryOfValuationAllowanceTextBlock', window );">Schedule of Change in Valuation Allowance</a></td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of valuation allowances to reduce deferred tax assets to net realizable value, including identification of the deferred tax asset more likely than not will not be fully realized and the corresponding amount of the valuation allowance.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32537-109319<br></p></div>
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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139949244937880">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Commitments and Contingencies (Tables)<br></strong></div></th>
<th class="th" colspan="1">3 Months Ended</th>
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<tr><th class="th"><div>Mar. 31, 2021</div></th></tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LessorOperatingLeasePaymentsToBeReceivedMaturityTableTextBlock', window );">Lessor, Operating Lease, Payments to be Received, Maturity [Table Text Block]</a></td>
<td class="text"><div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">The remaining lease payment obligations are as follows: </div></div> <div style="font-size: 12pt; margin-top: 0pt; margin-bottom: 0pt;"><div style="font-size: 12pt; letter-spacing: 0px; top: 0px;;display:inline;">&#160;</div></div> <table border="0" cellpadding="0" cellspacing="0" style="font-family: &quot;times new roman&quot;; font-size: 10pt; border-collapse: collapse; border-spacing: 0px;;margin : 0px auto;;text-align:left;;width:68%;"><tr style="font-size: 0px;"><td style="font-family: &quot;times new roman&quot;;;width:82%;"></td><td style="font-family: &quot;times new roman&quot;;;vertical-align:bottom;;width:10%;"></td><td style="font-family: &quot;times new roman&quot;;"></td><td style="font-family: &quot;times new roman&quot;;"></td><td style="font-family: &quot;times new roman&quot;;"></td></tr><tr style="font-family: times new roman; 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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LessorOperatingLeasePaymentsToBeReceivedMaturityTableTextBlock', window );">Lessor, Operating Lease, Payments to be Received, Maturity [Table Text Block]</a></td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of maturity of undiscounted cash flows to be received by lessor on annual basis for operating lease.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 30<br> -Section 50<br> -Paragraph 12<br> -URI http://asc.fasb.org/extlink&amp;oid=121576215&amp;loc=SL77919396-209981<br></p></div>
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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139949240416008">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Loans Payable (Tables)<br></strong></div></th>
<th class="th" colspan="1">3 Months Ended</th>
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<tr><th class="th"><div>Mar. 31, 2021</div></th></tr>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfDebtInstrumentsTextBlock', window );">Schedule of Consolidated Notes Payable</a></td>
<td class="text"><div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">The Company&#8217;s consolidated notes payable consisted of the following carrying values at: </div></div> <div style="font-size: 12pt; margin-top: 0pt; margin-bottom: 0pt;"><div style="font-size: 12pt; letter-spacing: 0px; top: 0px;;display:inline;">&#160;</div></div> <table border="0" cellpadding="0" cellspacing="0" style="font-family: &quot;times new roman&quot;; font-size: 10pt; border-collapse: collapse; border-spacing: 0px;;margin : 0px auto;;text-align:left;;width:76%;"><tr style="font-size: 0px;"><td style="width:68%;"></td><td style="vertical-align:bottom;;width:5%;"></td><td></td><td></td><td></td><td style="vertical-align:bottom;;width:5%;"></td><td></td><td></td><td></td></tr><tr style="font-family: times new roman; font-size: 8pt; page-break-inside: avoid;"><td style="padding-bottom: 1pt;;vertical-align:bottom;">&#160;</td><td style="padding-bottom: 1pt;;vertical-align:bottom;">&#160;&#160;</td><td colspan="2" style="border-bottom-color: rgb(0, 0, 0); border-bottom-width: 1pt; border-bottom-style: solid;;text-align:center;;vertical-align:bottom;"><div style="font-weight:bold;display:inline;">March&#160;31,&#160;2021</div></td><td style="padding-bottom: 1pt;;vertical-align:bottom;">&#160;</td><td style="padding-bottom: 1pt;;vertical-align:bottom;">&#160;&#160;</td><td colspan="2" style="border-bottom-color: rgb(0, 0, 0); border-bottom-width: 1pt; border-bottom-style: solid;;text-align:center;;vertical-align:bottom;"><div style="font-weight:bold;display:inline;">December&#160;31,&#160;2020</div></td><td style="padding-bottom: 1pt;;vertical-align:bottom;">&#160;</td></tr><tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"><td style="background-color: rgb(204, 238, 255);;vertical-align:top;"><div style="text-indent: -1em; 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font-size: 10pt; page-break-inside: avoid;"><td style="background-color: rgb(204, 238, 255);;vertical-align:top;"><div style="text-indent: -1em; font-family: &quot;times new roman&quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px; background-color: rgb(204, 238, 255);;display:inline;">Note 11 &#8211; Emergency Injury Disaster Loan</div></div></td><td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;">&#160;&#160;</td><td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;">&#160;</td><td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;">149,900</td><td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;">&#160;</td><td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;">&#160;&#160;</td><td style="white-space: nowrap; 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margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;">&#160;</div></td><td style="vertical-align:bottom;"><div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;">&#160;</div></td><td>&#160;</td><td style="vertical-align:bottom;">&#160;&#160;</td><td style="vertical-align:bottom;"><div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;">&#160;</div></td><td style="vertical-align:bottom;"><div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;">&#160;</div></td><td>&#160;</td></tr><tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"><td style="font-family: &quot;times new roman&quot;; background-color: rgb(204, 238, 255);;vertical-align:top;">&#160;</td><td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;">&#160;&#160;</td><td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;">$</td><td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;">42,154,585</td><td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;">&#160;</td><td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;">&#160;&#160;</td><td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;">$</td><td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;">42,593,268</td><td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;">&#160;</td></tr><tr style="font-size: 1px;"><td style="font-family: &quot;times new roman&quot;;;vertical-align:bottom;">&#160;</td><td style="vertical-align:bottom;">&#160;&#160;</td><td style="vertical-align:bottom;"><div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;">&#160;</div></td><td style="vertical-align:bottom;"><div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;">&#160;</div></td><td>&#160;</td><td style="vertical-align:bottom;">&#160;&#160;</td><td style="vertical-align:bottom;"><div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;">&#160;</div></td><td style="vertical-align:bottom;"><div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;">&#160;</div></td><td>&#160;</td></tr></table> <div style="clear: both; max-height: 0px;"></div> <div style="clear: both; max-height: 0px;"></div> <table border="0" style="width:100%; table-layout:fixed;" cellspacing="0" cellpadding="0"><tr><td></td></tr></table><span></span>
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<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_ScheduleOfAllocationOfCashProceedsToDerivativeComponentsAtTheirFairValuesTableTextBlock', window );">Schedule of Allocation of Cash Proceeds to Derivative Components at their Fair Values</a></td>
<td class="text">The allocations of the three additional tranches were as follows.<table border="0" style="width:100%; table-layout:fixed;" cellspacing="0" cellpadding="0"><tr><td></td></tr></table><table border="0" cellpadding="0" cellspacing="0" style="font-family: &quot;times new roman&quot;; font-size: 10pt; border-collapse: collapse; border-spacing: 0px;;margin : 0px auto;;text-align:left;;width:84%;"><tr style="font-size: 0px;"><td style="width:64%;"></td><td style="vertical-align:bottom;;width:3%;"></td><td></td><td></td><td></td><td style="vertical-align:bottom;;width:3%;"></td><td></td><td></td><td></td><td style="vertical-align:bottom;;width:3%;"></td><td></td><td></td><td></td></tr><tr style="font-family: times new roman; font-size: 8pt; page-break-inside: avoid;"><td style="padding-bottom: 1pt;;vertical-align:bottom;">&#160;</td><td style="padding-bottom: 1pt;;vertical-align:bottom;">&#160;&#160;</td><td colspan="2" style="border-bottom-color: rgb(0, 0, 0); border-bottom-width: 1pt; border-bottom-style: solid;;text-align:center;;vertical-align:bottom;">Tranche 3</td><td style="padding-bottom: 1pt;;vertical-align:bottom;">&#160;</td><td style="padding-bottom: 1pt;;vertical-align:bottom;">&#160;&#160;</td><td colspan="2" style="border-bottom-color: rgb(0, 0, 0); border-bottom-width: 1pt; border-bottom-style: solid;;text-align:center;;vertical-align:bottom;">Tranche 4</td><td style="padding-bottom: 1pt;;vertical-align:bottom;">&#160;</td><td style="padding-bottom: 1pt;;vertical-align:bottom;">&#160;&#160;</td><td colspan="2" style="border-bottom-color: rgb(0, 0, 0); border-bottom-width: 1pt; border-bottom-style: solid;;text-align:center;;vertical-align:bottom;">Tranche 5</td><td style="padding-bottom: 1pt;;vertical-align:bottom;">&#160;</td></tr><tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"><td style="background-color: rgb(204, 238, 255);;vertical-align:top;"><div style="text-indent: -1em; font-family: &quot;times new roman&quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px; background-color: rgb(204, 238, 255);;display:inline;">Promissory Note</div></div></td><td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;">&#160;&#160;</td><td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;">$</td><td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;">981,796</td><td style="white-space: nowrap; font-family: &quot;times new roman&quot;; background-color: rgb(204, 238, 255);;vertical-align:bottom;">&#160;</td><td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;">&#160;&#160;</td><td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;">$</td><td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;">939,935</td><td style="white-space: nowrap; 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font-family: &quot;times new roman&quot;;;vertical-align:bottom;">&#160;</td><td style="vertical-align:bottom;">&#160;&#160;</td><td style="white-space: nowrap;;vertical-align:bottom;">&#160;</td><td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;">60,065</td><td style="white-space: nowrap; font-family: &quot;times new roman&quot;;;vertical-align:bottom;">&#160;</td><td style="vertical-align:bottom;">&#160;&#160;</td><td style="white-space: nowrap;;vertical-align:bottom;">&#160;</td><td style="white-space: nowrap;;text-align:right;;vertical-align:bottom;">&#8212;&#160;&#160;</td><td style="white-space: nowrap; font-family: &quot;times new roman&quot;;;vertical-align:bottom;">&#160;</td></tr><tr style="font-size: 1px;"><td style="font-family: &quot;times new roman&quot;;;vertical-align:bottom;">&#160;</td><td style="vertical-align:bottom;">&#160;&#160;</td><td style="vertical-align:bottom;"><div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;">&#160;</div></td><td style="vertical-align:bottom;"><div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;">&#160;</div></td><td>&#160;</td><td style="vertical-align:bottom;">&#160;&#160;</td><td style="vertical-align:bottom;"><div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;">&#160;</div></td><td style="vertical-align:bottom;"><div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;">&#160;</div></td><td>&#160;</td><td style="vertical-align:bottom;">&#160;&#160;</td><td style="vertical-align:bottom;"><div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;">&#160;</div></td><td style="vertical-align:bottom;"><div style="margin-top: 0px; margin-bottom: 0px; border-top: 1px solid rgb(0, 0, 0); line-height: normal;">&#160;</div></td><td>&#160;</td></tr><tr style="font-family: times new roman; font-size: 10pt; page-break-inside: avoid;"><td style="background-color: rgb(204, 238, 255);;vertical-align:top;"><div style="text-indent: -1em; font-family: &quot;times new roman&quot;; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt; margin-left: 1em; line-height: normal;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px; background-color: rgb(204, 238, 255);;display:inline;">Proceeds</div></div></td><td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;">&#160;&#160;</td><td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;">$</td><td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;">1,000,000</td><td style="white-space: nowrap; font-family: &quot;times new roman&quot;; background-color: rgb(204, 238, 255);;vertical-align:bottom;">&#160;</td><td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;">&#160;&#160;</td><td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;">$</td><td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;">1,000,000</td><td style="white-space: nowrap; font-family: &quot;times new roman&quot;; background-color: rgb(204, 238, 255);;vertical-align:bottom;">&#160;</td><td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;">&#160;&#160;</td><td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;">$</td><td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;">1,000,000</td><td style="white-space: nowrap; font-family: &quot;times new roman&quot;; background-color: rgb(204, 238, 255);;vertical-align:bottom;">&#160;</td></tr><tr style="font-size: 1px;"><td style="font-family: &quot;times new roman&quot;;;vertical-align:bottom;">&#160;</td><td style="vertical-align:bottom;">&#160;&#160;</td><td style="vertical-align:bottom;"><div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;">&#160;</div></td><td style="vertical-align:bottom;"><div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;">&#160;</div></td><td>&#160;</td><td style="vertical-align:bottom;">&#160;&#160;</td><td style="vertical-align:bottom;"><div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;">&#160;</div></td><td style="vertical-align:bottom;"><div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;">&#160;</div></td><td>&#160;</td><td style="vertical-align:bottom;">&#160;&#160;</td><td style="vertical-align:bottom;"><div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;">&#160;</div></td><td style="vertical-align:bottom;"><div style="margin-top: 0px; margin-bottom: 0px; border-top: 3px double rgb(0, 0, 0); line-height: normal;">&#160;</div></td><td>&#160;</td></tr></table> <div style="clear: both; max-height: 0px;"></div> <div style="clear: both; max-height: 0px;"></div> <table border="0" style="width:100%; table-layout:fixed;" cellspacing="0" cellpadding="0"><tr><td></td></tr></table><span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=omex_OceanicaResourcesMember', window );">Oceanica Resources S. de. R.L [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
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<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_ScheduleOfAllocationOfCashProceedsToDerivativeComponentsAtTheirFairValuesTableTextBlock', window );">Schedule of Allocation of Cash Proceeds to Derivative Components at their Fair Values</a></td>
<td class="text"><div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 12pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">Based on the previous conclusions, we allocated the cash proceeds first to the debt at its present value using a market rate of 15%, which is management&#8217;s estimate of a market rate loan for the Company, with the residual allocated to the Oceanica Call Option, as follows: </div></div> <div style="margin-bottom: 0px; margin-top: 0px;">&#160;</div> <div style="font-size: 12pt; margin-top: 0pt; margin-bottom: 0pt;"><div style="font-size: 12pt; letter-spacing: 0px; top: 0px;;display:inline;">&#160;</div></div> <table border="0" cellpadding="0" cellspacing="0" style="font-family: &quot;times new roman&quot;; font-size: 10pt; border-collapse: collapse; border-spacing: 0px;;margin : 0px auto;;text-align:left;;width:100%;"><tr style="font-size: 0px;"><td style="width:44%;"></td><td style="vertical-align:bottom;;width:2%;"></td><td></td><td></td><td></td><td style="vertical-align:bottom;;width:2%;"></td><td></td><td></td><td></td><td style="vertical-align:bottom;;width:2%;"></td><td></td><td></td><td></td><td style="vertical-align:bottom;;width:2%;"></td><td></td><td></td><td></td><td style="vertical-align:bottom;;width:2%;"></td><td></td><td></td><td></td><td style="vertical-align:bottom;;width:2%;"></td><td></td><td></td><td></td></tr><tr style="font-family: times new roman; 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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of long-debt instruments or arrangements, including identification, terms, features, collateral requirements and other information necessary to a fair presentation. These are debt arrangements that originally required repayment more than twelve months after issuance or greater than the normal operating cycle of the entity, if longer.</p></div>
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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139949320503096">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Stockholders' Equity (Deficit) (Tables)<br></strong></div></th>
<th class="th" colspan="1">3 Months Ended</th>
</tr>
<tr><th class="th"><div>Mar. 31, 2021</div></th></tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FederalHomeLoanBanksAbstract', window );"><strong>Federal Home Loan Banks [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_PreferredStockActivityTableTextBlock', window );">Summary of Preferred Stock Allocated to Investors</a></td>
<td class="text">The Purchase Agreement provides for the Company to issue and sell to the Investor shares of the Company&#8217;s preferred stock in the amounts set forth in the following table (numbers have been adjusted for the February 2016 reverse stock split):<table border="0" style="width:100%; table-layout:fixed;" cellspacing="0" cellpadding="0"><tr><td></td></tr></table><div style="font-size: 12pt; margin-top: 0pt; margin-bottom: 0pt;"><table border="0" cellpadding="0" cellspacing="0" style="font-family: &quot;times new roman&quot;; font-size: 10pt; border-collapse: collapse; border-spacing: 0px;;margin : 0px auto;;text-align:left;;width:84%;"><tr style="font-size: 0px;"><td style="font-family: &quot;times new roman&quot;;;width:56%;"></td><td style="font-family: &quot;times new roman&quot;;;vertical-align:bottom;;width:6%;"></td><td style="font-family: &quot;times new roman&quot;;"></td><td style="font-family: &quot;times new roman&quot;;"></td><td style="font-family: &quot;times new roman&quot;;"></td><td style="font-family: &quot;times new roman&quot;;;vertical-align:bottom;;width:6%;"></td><td style="font-family: &quot;times new roman&quot;;"></td><td style="font-family: &quot;times new roman&quot;;"></td><td style="font-family: &quot;times new roman&quot;;"></td><td style="font-family: &quot;times new roman&quot;;;vertical-align:bottom;;width:6%;"></td><td style="font-family: &quot;times new roman&quot;;"></td><td style="font-family: &quot;times new roman&quot;;"></td><td style="font-family: &quot;times new roman&quot;;"></td></tr><tr style="font-family: times new roman; 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background-color: rgb(204, 238, 255);;vertical-align:bottom;">&#160;</td><td style="font-family: &quot;times new roman&quot;; background-color: rgb(204, 238, 255);;vertical-align:bottom;">&#160;</td><td style="font-family: &quot;times new roman&quot;; background-color: rgb(204, 238, 255);;vertical-align:bottom;">&#160;</td><td style="background-color: rgb(204, 238, 255);;vertical-align:bottom;">&#160;&#160;</td><td style="white-space: nowrap; background-color: rgb(204, 238, 255);;vertical-align:bottom;">$</td><td style="white-space: nowrap; background-color: rgb(204, 238, 255);;text-align:right;;vertical-align:bottom;">144,462,918</td><td style="white-space: nowrap; font-family: &quot;times new roman&quot;; background-color: rgb(204, 238, 255);;vertical-align:bottom;">&#160;</td></tr><tr style="font-size: 1px;"><td style="font-family: &quot;times new roman&quot;;;vertical-align:bottom;">&#160;</td><td style="vertical-align:bottom;">&#160;&#160;</td><td style="vertical-align:bottom;"><div style="margin-top: 0pt; margin-bottom: 0pt; border-top: 3px double rgb(0, 0, 0); line-height: normal;">&#160;</div></td><td style="vertical-align:bottom;"><div style="margin-top: 0pt; margin-bottom: 0pt; border-top: 3px double rgb(0, 0, 0); line-height: normal;">&#160;</div></td><td>&#160;</td><td style="vertical-align:bottom;">&#160;&#160;</td><td style="font-family: &quot;times new roman&quot;;;vertical-align:bottom;">&#160;</td><td style="font-family: &quot;times new roman&quot;;;vertical-align:bottom;">&#160;</td><td style="font-family: &quot;times new roman&quot;;;vertical-align:bottom;">&#160;</td><td style="vertical-align:bottom;">&#160;&#160;</td><td style="vertical-align:bottom;"><div style="margin-top: 0pt; margin-bottom: 0pt; border-top: 3px double rgb(0, 0, 0); line-height: normal;">&#160;</div></td><td style="vertical-align:bottom;"><div style="margin-top: 0pt; margin-bottom: 0pt; border-top: 3px double rgb(0, 0, 0); line-height: normal;">&#160;</div></td><td>&#160;</td></tr></table></div><span></span>
</td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Preferred Stock Activity [Table Text Block]</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<td><strong> Name:</strong></td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FederalHomeLoanBanksAbstract</td>
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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139949246553752">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Revenue Participation Rights (Tables)<br></strong></div></th>
<th class="th" colspan="1">3 Months Ended</th>
</tr>
<tr><th class="th"><div>Mar. 31, 2021</div></th></tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerAbstract', window );"><strong>Revenue from Contract with Customer [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_ScheduleOfRevenueParticipationRightsTableTextBlock', window );">Participating Revenue Rights</a></td>
<td class="text"><div style="text-indent: 4%; font-family: times new roman; font-size: 10pt; margin-top: 6pt; margin-bottom: 0pt;"><div style="font-family: &quot;times new roman&quot;; font-size: 10pt; letter-spacing: 0px; top: 0px;;display:inline;">The Company&#8217;s participating revenue rights consisted of the following at: </div></div> <div style="font-size: 12pt; margin-top: 0pt; margin-bottom: 0pt;"><div style="font-size: 12pt; letter-spacing: 0px; top: 0px;;display:inline;">&#160;</div></div> <table border="0" cellpadding="0" cellspacing="0" style="font-family: &quot;times new roman&quot;; font-size: 10pt; border-collapse: collapse; border-spacing: 0px;;margin : 0px auto;;text-align:left;;width:76%;"><tr style="font-size: 0px;"><td style="width: 72%;"></td><td style="width: 5%;;vertical-align:bottom;"></td><td style="width: 0%;"></td><td style="width: 0%;"></td><td style="width: 0%;"></td><td style="width: 5%;;vertical-align:bottom;"></td><td style="width: 0%;"></td><td style="width: 0%;"></td><td style="width: 0%;"></td></tr><tr style="font-family: times new roman; 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margin-bottom: 0pt; border-top: 3px double rgb(0, 0, 0); line-height: normal;">&#160;</div></td><td style="width: 0%;;vertical-align:bottom;"><div style="margin-top: 0pt; margin-bottom: 0pt; border-top: 3px double rgb(0, 0, 0); line-height: normal;">&#160;</div></td><td style="width: 0%;">&#160;</td><td style="width: 5%;;vertical-align:bottom;">&#160;&#160;</td><td style="width: 0%;;vertical-align:bottom;"><div style="margin-top: 0pt; margin-bottom: 0pt; border-top: 3px double rgb(0, 0, 0); line-height: normal;">&#160;</div></td><td style="width: 0%;;vertical-align:bottom;"><div style="margin-top: 0pt; margin-bottom: 0pt; border-top: 3px double rgb(0, 0, 0); line-height: normal;">&#160;</div></td><td style="width: 0%;">&#160;</td></tr></table> <div style="clear: both; max-height: 0px;"></div> <div style="clear: both; max-height: 0px;"></div> <div style="clear: both; max-height: 0px;"></div> <table border="0" style="width:100%; table-layout:fixed;" cellspacing="0" cellpadding="0"><tr><td></td></tr></table><span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_ScheduleOfRevenueParticipationRightsTableTextBlock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Schedule of revenue participation rights.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_ScheduleOfRevenueParticipationRightsTableTextBlock</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>omex_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>nonnum:textBlockItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RevenueFromContractWithCustomerAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RevenueFromContractWithCustomerAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
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<DOCUMENT>
<TYPE>XML
<SEQUENCE>41
<FILENAME>R29.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
							function toggleNextSibling (e) {
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</head>
<body>
<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139949237551320">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Summary of Significant Accounting Policies - Additional Information (Detail) - shares<br></strong></div></th>
<th class="th" colspan="2">3 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Mar. 31, 2021</div></th>
<th class="th"><div>Mar. 31, 2020</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentLineItems', window );"><strong>Property, Plant and Equipment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_ShortTermInvestmentsMaturityPeriod', window );">Short-term investment maturity period</a></td>
<td class="text">3 months<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic', window );">Weighted average number of common shares outstanding</a></td>
<td class="nump">12,610,924<span></span>
</td>
<td class="nump">9,517,664<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_RangeAxis=srt_MinimumMember', window );">Minimum [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentLineItems', window );"><strong>Property, Plant and Equipment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentUsefulLife', window );">Property and Equipment, estimated useful life</a></td>
<td class="text">3 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_RangeAxis=srt_MaximumMember', window );">Maximum [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentLineItems', window );"><strong>Property, Plant and Equipment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentUsefulLife', window );">Property and Equipment, estimated useful life</a></td>
<td class="text">30 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_ShortTermInvestmentsMaturityPeriod">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Short-term investments maturity period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_ShortTermInvestmentsMaturityPeriod</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>omex_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:durationItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PropertyPlantAndEquipmentLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PropertyPlantAndEquipmentLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PropertyPlantAndEquipmentUsefulLife">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PropertyPlantAndEquipmentUsefulLife</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:durationItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=6371337&amp;loc=d3e3550-109257<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 45<br> -Paragraph 10<br> -URI http://asc.fasb.org/extlink&amp;oid=121326447&amp;loc=d3e1448-109256<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_WeightedAverageNumberOfSharesOutstandingBasic</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_RangeAxis=srt_MinimumMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_RangeAxis=srt_MinimumMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_RangeAxis=srt_MaximumMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_RangeAxis=srt_MaximumMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
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</body>
</html>
</TEXT>
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<DOCUMENT>
<TYPE>XML
<SEQUENCE>42
<FILENAME>R30.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
							function toggleNextSibling (e) {
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							e.nextSibling.style.display='block';
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</head>
<body>
<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139949239964216">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Summary of Significant Accounting Policies - Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share for in the Money Potential Common Shares (Detail) - $ / shares<br></strong></div></th>
<th class="th" colspan="2">3 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Mar. 31, 2021</div></th>
<th class="th"><div>Mar. 31, 2020</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems', window );"><strong>Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AcceleratedShareRepurchasesFinalPricePaidPerShare', window );">Average market price during the period</a></td>
<td class="nump">$ 7.30<span></span>
</td>
<td class="nump">$ 3.81<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount', window );">Potential common shares excluded from EPS</a></td>
<td class="nump">216,158<span></span>
</td>
<td class="nump">1,538,358<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis=us-gaap_EmployeeStockOptionMember', window );">Stock Options [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems', window );"><strong>Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount', window );">Potential common shares excluded from EPS</a></td>
<td class="nump">22,493<span></span>
</td>
<td class="nump">22,493<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis=us-gaap_WarrantMember', window );">Warrant Derivatives [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems', window );"><strong>Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount', window );">Potential common shares excluded from EPS</a></td>
<td class="nump">3,481,314<span></span>
</td>
<td class="nump">120,000<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AcceleratedShareRepurchasesFinalPricePaidPerShare">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Final price paid per share for the purchase of the targeted number of shares, determined by an average market price over a fixed period of time.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 30<br> -Section 25<br> -Paragraph 5<br> -URI http://asc.fasb.org/extlink&amp;oid=6405686&amp;loc=d3e22802-112653<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AcceleratedShareRepurchasesFinalPricePaidPerShare</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td><strong> Data Type:</strong></td>
<td>num:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=6371337&amp;loc=d3e3550-109257<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis=us-gaap_EmployeeStockOptionMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td>na</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis=us-gaap_WarrantMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139949238177832">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Summary of Significant Accounting Policies - Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share for Out of Money Potential Common Shares (Detail) - shares<br></strong></div></th>
<th class="th" colspan="2">3 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Mar. 31, 2021</div></th>
<th class="th"><div>Mar. 31, 2020</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems', window );"><strong>Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount', window );">Out of the money options and warrants excluded</a></td>
<td class="nump">216,158<span></span>
</td>
<td class="nump">1,538,358<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis=omex_StockOptionsWithExercisePriceOfTwelvePointFourEightMember', window );">Stock Options With an Exercise Price of $12.48 per Share [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems', window );"><strong>Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount', window );">Out of the money options and warrants excluded</a></td>
<td class="nump">136,833<span></span>
</td>
<td class="nump">136,833<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis=omex_StockOptionsWithExercisePriceOfTwelvePointEightFourMember', window );">Stock Options With an Exercise Price of $12.84 per Share [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems', window );"><strong>Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount', window );">Out of the money options and warrants excluded</a></td>
<td class="nump">4,167<span></span>
</td>
<td class="nump">4,167<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis=omex_StockOptionsWithExercisePriceOfTwentySixPointFourZeroMember', window );">Stock Options With an Exercise Price of $26.40 per Share [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems', window );"><strong>Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount', window );">Out of the money options and warrants excluded</a></td>
<td class="nump">75,158<span></span>
</td>
<td class="nump">75,158<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis=omex_WarrantsWithExercisePriceOfThreePointNineNineMember', window );">Stock Options With an Exercise Price of $3.99 per Share [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems', window );"><strong>Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount', window );">Out of the money options and warrants excluded</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">426,065<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis=omex_WarrantsWithExercisePriceOfFivePointSevenSixMember', window );">Stock Options With an Exercise Price of $5.76 per Share [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems', window );"><strong>Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount', window );">Out of the money options and warrants excluded</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">196,135<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis=omex_WarrantsWithExercisePriceOfSevenPointOneSixMember', window );">Stock Options With an Exercise Price of $7.16 per Share [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems', window );"><strong>Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount', window );">Out of the money options and warrants excluded</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">700,000<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=6371337&amp;loc=d3e3550-109257<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
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<td><strong> Balance Type:</strong></td>
<td>na</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Period Type:</strong></td>
<td>duration</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis=omex_StockOptionsWithExercisePriceOfTwelvePointFourEightMember</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
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<td><strong> Balance Type:</strong></td>
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<td><strong> Period Type:</strong></td>
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<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis=omex_StockOptionsWithExercisePriceOfTwelvePointEightFourMember</td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis=omex_StockOptionsWithExercisePriceOfTwentySixPointFourZeroMember</td>
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<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis=omex_WarrantsWithExercisePriceOfThreePointNineNineMember</td>
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<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis=omex_WarrantsWithExercisePriceOfFivePointSevenSixMember</td>
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<td style="white-space:nowrap;">us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis=omex_WarrantsWithExercisePriceOfSevenPointOneSixMember</td>
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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139949240280456">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Summary of Significant Accounting Policies - Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share for Out of Money Potential Common Shares (Parenthetical) (Detail) - $ / shares<br></strong></div></th>
<th class="th" colspan="2">3 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Mar. 31, 2021</div></th>
<th class="th"><div>Mar. 31, 2020</div></th>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis=omex_StockOptionsWithExercisePriceOfTwelvePointFourEightMember', window );">Stock Options With an Exercise Price of $12.48 per Share [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems', window );"><strong>Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_InvestmentsOptionsExercisePrice', window );">Stock options exercise price per share</a></td>
<td class="nump">$ 12.48<span></span>
</td>
<td class="nump">$ 12.48<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis=omex_StockOptionsWithExercisePriceOfTwelvePointEightFourMember', window );">Stock Options With an Exercise Price of $12.84 per Share [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems', window );"><strong>Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_InvestmentsOptionsExercisePrice', window );">Stock options exercise price per share</a></td>
<td class="nump">12.84<span></span>
</td>
<td class="nump">12.84<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis=omex_StockOptionsWithExercisePriceOfTwentySixPointFourZeroMember', window );">Stock Options With an Exercise Price of $26.40 per Share [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems', window );"><strong>Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_InvestmentsOptionsExercisePrice', window );">Stock options exercise price per share</a></td>
<td class="nump">26.40<span></span>
</td>
<td class="nump">26.40<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis=omex_WarrantsWithExercisePriceOfThreePointNineNineMember', window );">Stock Options With an Exercise Price of $3.99 per Share [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems', window );"><strong>Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_InvestmentsOptionsExercisePrice', window );">Stock options exercise price per share</a></td>
<td class="nump">3.99<span></span>
</td>
<td class="nump">3.99<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis=omex_WarrantsWithExercisePriceOfFivePointSevenSixMember', window );">Stock Options With an Exercise Price of $5.76 per Share [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems', window );"><strong>Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_InvestmentsOptionsExercisePrice', window );">Stock options exercise price per share</a></td>
<td class="nump">5.76<span></span>
</td>
<td class="nump">5.76<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis=omex_WarrantsWithExercisePriceOfSevenPointOneSixMember', window );">Stock Options With an Exercise Price of $7.16 per Share [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems', window );"><strong>Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_InvestmentsOptionsExercisePrice', window );">Stock options exercise price per share</a></td>
<td class="nump">$ 7.16<span></span>
</td>
<td class="nump">$ 7.16<span></span>
</td>
</tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Investments options exercise price.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<td><strong> Name:</strong></td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
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<td><strong> Name:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis=omex_WarrantsWithExercisePriceOfFivePointSevenSixMember</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
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<td></td>
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<td><strong> Period Type:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis=omex_WarrantsWithExercisePriceOfSevenPointOneSixMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis=omex_WarrantsWithExercisePriceOfSevenPointOneSixMember</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
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<td><strong> Data Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
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<td><strong> Period Type:</strong></td>
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<DOCUMENT>
<TYPE>XML
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<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
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<body>
<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139949329400296">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Summary of Significant Accounting Policies - Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share, Unvested Restricted Stock Awards (Detail) - shares<br></strong></div></th>
<th class="th" colspan="2">3 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Mar. 31, 2021</div></th>
<th class="th"><div>Mar. 31, 2020</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems', window );"><strong>Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount', window );">Excluded unvested restricted stock awards</a></td>
<td class="nump">216,158<span></span>
</td>
<td class="nump">1,538,358<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis=us-gaap_RestrictedStockMember', window );">Unvested Restricted Stock Awards Excluded from EPS [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems', window );"><strong>Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount', window );">Excluded unvested restricted stock awards</a></td>
<td class="nump">447,164<span></span>
</td>
<td class="nump">343,353<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=6371337&amp;loc=d3e3550-109257<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
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<td><strong> Period Type:</strong></td>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis=us-gaap_RestrictedStockMember</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Period Type:</strong></td>
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<DOCUMENT>
<TYPE>XML
<SEQUENCE>46
<FILENAME>R34.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
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<body>
<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139949237549000">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Summary of Significant Accounting Policies - Reconciliation of Numerators and Denominators used in Computing Basic and Diluted Net Income Per Share (Detail) - USD ($)<br></strong></div></th>
<th class="th" colspan="2">3 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Mar. 31, 2021</div></th>
<th class="th"><div>Mar. 31, 2020</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccountingPoliciesAbstract', window );"><strong>Accounting Policies [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetIncomeLoss', window );">Net income (loss)</a></td>
<td class="nump">$ 3,720,218<span></span>
</td>
<td class="nump">$ 2,897,976<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_NetIncomeLossAvailableToCommonStockholdersBasicAndDiluted', window );">Numerator, basic and diluted net income (loss) available to stockholders</a></td>
<td class="num">$ (3,720,218)<span></span>
</td>
<td class="num">$ (2,897,976)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_WeightedAverageNumberOfSharesOutstandingBasicAbstract', window );"><strong>Shares used in computation &#8211; basic:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic', window );">Weighted average common shares outstanding</a></td>
<td class="nump">12,610,924<span></span>
</td>
<td class="nump">9,517,664<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic', window );">Common shares outstanding for basic</a></td>
<td class="nump">12,610,924<span></span>
</td>
<td class="nump">9,517,664<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustmentAbstract', window );"><strong>Shares used in computation &#8211; diluted:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic', window );">Common shares outstanding for basic</a></td>
<td class="nump">12,610,924<span></span>
</td>
<td class="nump">9,517,664<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding', window );">Shares used in computing diluted net income per share</a></td>
<td class="nump">12,610,924<span></span>
</td>
<td class="nump">9,517,664<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EarningsPerShareBasic', window );">Net (loss) per share &#8211; basic</a></td>
<td class="num">$ (0.29)<span></span>
</td>
<td class="num">$ (0.30)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EarningsPerShareDiluted', window );">Net (loss) per share &#8211; diluted</a></td>
<td class="num">$ (0.29)<span></span>
</td>
<td class="num">$ (0.30)<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_NetIncomeLossAvailableToCommonStockholdersBasicAndDiluted">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Net income loss available to common stockholders basic and diluted.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_NetIncomeLossAvailableToCommonStockholdersBasicAndDiluted</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>omex_</td>
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<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
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<td><strong> Period Type:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccountingPoliciesAbstract</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_EarningsPerShareBasic">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 250<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=109234566&amp;loc=d3e22583-107794<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 250<br> -SubTopic 10<br> -Section 50<br> -Paragraph 11<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=109234566&amp;loc=d3e22694-107794<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 45<br> -Paragraph 10<br> -URI http://asc.fasb.org/extlink&amp;oid=121326447&amp;loc=d3e1448-109256<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 250<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=109234566&amp;loc=d3e22595-107794<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 250<br> -SubTopic 10<br> -Section 50<br> -Paragraph 11<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=109234566&amp;loc=d3e22694-107794<br><br>Reference 6: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 45<br> -Paragraph 7<br> -URI http://asc.fasb.org/extlink&amp;oid=121326447&amp;loc=d3e1337-109256<br><br>Reference 7: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 55<br> -Paragraph 52<br> -URI http://asc.fasb.org/extlink&amp;oid=120380238&amp;loc=d3e4984-109258<br><br>Reference 8: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 220<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-04(23))<br> -URI http://asc.fasb.org/extlink&amp;oid=120400993&amp;loc=SL114874131-224263<br><br>Reference 9: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 55<br> -Paragraph 15<br> -URI http://asc.fasb.org/extlink&amp;oid=120380238&amp;loc=d3e3842-109258<br><br>Reference 10: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 250<br> -SubTopic 10<br> -Section 50<br> -Paragraph 7<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=109234566&amp;loc=d3e22644-107794<br><br>Reference 11: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=6371337&amp;loc=d3e3550-109257<br><br>Reference 12: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03(25))<br> -URI http://asc.fasb.org/extlink&amp;oid=120395209&amp;loc=SL114868664-224227<br><br>Reference 13: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 45<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=121326447&amp;loc=d3e1252-109256<br><br>Reference 14: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 45<br> -Paragraph 60B<br> -Subparagraph (d)<br> -URI http://asc.fasb.org/extlink&amp;oid=121326447&amp;loc=SL5780133-109256<br><br>Reference 15: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 220<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-04(27))<br> -URI http://asc.fasb.org/extlink&amp;oid=120399700&amp;loc=SL114874048-224260<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EarningsPerShareBasic</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_EarningsPerShareDiluted">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.</p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EarningsPerShareDiluted</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_NetIncomeLoss">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 1A<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=121641772&amp;loc=SL7669619-108580<br><br>Reference 2: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 31<br> -URI http://asc.fasb.org/extlink&amp;oid=120311839&amp;loc=d3e8924-108599<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 250<br> -SubTopic 10<br> -Section 50<br> -Paragraph 11<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=109234566&amp;loc=d3e22694-107794<br><br>Reference 4: 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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NetIncomeLoss</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustmentAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustmentAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=6371337&amp;loc=d3e3550-109257<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 45<br> -Paragraph 16<br> -URI http://asc.fasb.org/extlink&amp;oid=121326447&amp;loc=d3e1505-109256<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
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</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=6371337&amp;loc=d3e3550-109257<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 45<br> -Paragraph 10<br> -URI http://asc.fasb.org/extlink&amp;oid=121326447&amp;loc=d3e1448-109256<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_WeightedAverageNumberOfSharesOutstandingBasic</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_WeightedAverageNumberOfSharesOutstandingBasicAbstract">
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_WeightedAverageNumberOfSharesOutstandingBasicAbstract</td>
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<td>xbrli:stringItemType</td>
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<td>na</td>
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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139949240383960">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Accounts Receivable and Other - Summary of Accounts Receivable (Detail) - USD ($)<br></strong></div></th>
<th class="th"><div>Mar. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccountsNotesAndLoansReceivableLineItems', window );"><strong>Accounts, Notes, Loans and Financing Receivable [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccountsReceivableNetCurrent', window );">Total accounts receivable, net</a></td>
<td class="nump">$ 220,991<span></span>
</td>
<td class="nump">$ 160,257<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=omex_RelatedPartyMember', window );">Related Party [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccountsNotesAndLoansReceivableLineItems', window );"><strong>Accounts, Notes, Loans and Financing Receivable [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccountsReceivableGrossCurrent', window );">Accounts receivable, gross</a></td>
<td class="nump">220,956<span></span>
</td>
<td class="nump">160,220<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=omex_OtherAccountsReceivableMember', window );">Other [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccountsNotesAndLoansReceivableLineItems', window );"><strong>Accounts, Notes, Loans and Financing Receivable [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccountsReceivableGrossCurrent', window );">Accounts receivable, gross</a></td>
<td class="nump">$ 35<span></span>
</td>
<td class="nump">$ 37<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AccountsNotesAndLoansReceivableLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccountsNotesAndLoansReceivableLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
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<td><strong> Balance Type:</strong></td>
<td>na</td>
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<td>duration</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AccountsReceivableGrossCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, before allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 310<br> -SubTopic 10<br> -Section 45<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=121593590&amp;loc=d3e4428-111522<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 310<br> -SubTopic 10<br> -Section 45<br> -Paragraph 9<br> -URI http://asc.fasb.org/extlink&amp;oid=121593590&amp;loc=d3e4531-111522<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccountsReceivableGrossCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
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<td><strong> Period Type:</strong></td>
<td>instant</td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 310<br> -SubTopic 10<br> -Section 45<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=121593590&amp;loc=d3e4428-111522<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(3))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 3: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section 45<br> -Paragraph 1<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=121566466&amp;loc=d3e6676-107765<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 310<br> -SubTopic 10<br> -Section 45<br> -Paragraph 9<br> -URI http://asc.fasb.org/extlink&amp;oid=121593590&amp;loc=d3e4531-111522<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccountsReceivableNetCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
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<tr>
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<td>instant</td>
</tr>
</table></div>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=omex_RelatedPartyMember</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=omex_OtherAccountsReceivableMember</td>
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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139949244677448">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Accounts Receivable and Other - Additional Information (Detail) - Related Party [Member] - USD ($)<br></strong></div></th>
<th class="th"><div>Mar. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccountsNotesAndLoansReceivableLineItems', window );"><strong>Accounts, Notes, Loans and Financing Receivable [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccountsReceivableGrossCurrent', window );">Accounts receivable</a></td>
<td class="nump">$ 220,956<span></span>
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<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_CounterpartyNameAxis=omex_MonacoFinancialLLCMember', window );">Monaco [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccountsNotesAndLoansReceivableLineItems', window );"><strong>Accounts, Notes, Loans and Financing Receivable [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccountsReceivableGrossCurrent', window );">Accounts receivable</a></td>
<td class="nump">$ 220,956<span></span>
</td>
<td class="nump">$ 134,452<span></span>
</td>
</tr>
</table>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccountsNotesAndLoansReceivableLineItems</td>
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<td><strong> Data Type:</strong></td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, before allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 310<br> -SubTopic 10<br> -Section 45<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=121593590&amp;loc=d3e4428-111522<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 310<br> -SubTopic 10<br> -Section 45<br> -Paragraph 9<br> -URI http://asc.fasb.org/extlink&amp;oid=121593590&amp;loc=d3e4531-111522<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccountsReceivableGrossCurrent</td>
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<tr>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=omex_RelatedPartyMember">
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=omex_RelatedPartyMember</td>
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<tr>
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<td><strong> Data Type:</strong></td>
<td>na</td>
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<tr>
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<tr>
<td><strong> Period Type:</strong></td>
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</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_CounterpartyNameAxis=omex_MonacoFinancialLLCMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_CounterpartyNameAxis=omex_MonacoFinancialLLCMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
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<tr>
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<tr>
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<DOCUMENT>
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<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
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<body>
<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139949239859576">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Related Party Transactions - Additional Information (Detail)<br></strong></div></th>
<th class="th">
<div>Mar. 31, 2021 </div>
<div>USD ($)</div>
</th>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_CounterpartyNameAxis=omex_DeepSeaMineralCompanyMember', window );">Deep Sea Mineral Company, CIC, LLC [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RelatedPartyTransactionLineItems', window );"><strong>Related Party Transaction [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccountsReceivableGrossCurrent', window );">Accounts receivable</a></td>
<td class="nump">$ 291,676<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AccountsReceivableGrossCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, before allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 310<br> -SubTopic 10<br> -Section 45<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=121593590&amp;loc=d3e4428-111522<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 310<br> -SubTopic 10<br> -Section 45<br> -Paragraph 9<br> -URI http://asc.fasb.org/extlink&amp;oid=121593590&amp;loc=d3e4531-111522<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccountsReceivableGrossCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
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<td><strong> Balance Type:</strong></td>
<td>debit</td>
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<td><strong> Period Type:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RelatedPartyTransactionLineItems</td>
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<td>xbrli:stringItemType</td>
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<td>na</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_CounterpartyNameAxis=omex_DeepSeaMineralCompanyMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_CounterpartyNameAxis=omex_DeepSeaMineralCompanyMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
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<tr>
<td><strong> Period Type:</strong></td>
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<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
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<body>
<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139949244853800">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Exploration License - Consideration Paid for the Asset Acquisition Consisted (Detail) - Bismarck [Member]<br></strong></div></th>
<th class="th">
<div>Mar. 31, 2021 </div>
<div>USD ($)</div>
</th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_BusinessAcquisitionLineItems', window );"><strong>Business Acquisition [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_BusinessCombinationConsiderationTransferredFairValueOfCommonSharesIssued', window );">Fair value of common shares issued</a></td>
<td class="nump">$ 1,407,653<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_BusinessAcquisitionCostOfAcquiredEntityTransactionCosts', window );">Direct transaction costs</a></td>
<td class="nump">46,113<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_BusinessCombinationTotalConsiderationPaid', window );">Total consideration paid</a></td>
<td class="nump">$ 1,453,766<span></span>
</td>
</tr>
</table>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Business combination consideration transferred fair value of common shares issued.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_BusinessCombinationConsiderationTransferredFairValueOfCommonSharesIssued</td>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Business combination total consideration paid.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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<td><strong> Period Type:</strong></td>
<td>instant</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of direct costs of the business combination including legal, accounting, and other costs incurred to consummate the business acquisition.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_BusinessAcquisitionCostOfAcquiredEntityTransactionCosts</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td>instant</td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<td>na</td>
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<td>duration</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_BusinessAcquisitionAxis=omex_BismarckMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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<td><strong> Period Type:</strong></td>
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<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
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<body>
<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139949244733448">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Exploration License - Consideration Paid for the Asset Acquisition Consisted (Parenthetical) (Detail)<br></strong></div></th>
<th class="th" colspan="1">3 Months Ended</th>
</tr>
<tr><th class="th">
<div>Mar. 31, 2021 </div>
<div>shares</div>
</th></tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_BusinessAcquisitionAxis=omex_BismarckMember', window );">Bismarck [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_BusinessAcquisitionLineItems', window );"><strong>Business Acquisition [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued', window );">Fair value of common shares issued</a></td>
<td class="nump">249,584<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Number of shares of equity interests issued or issuable to acquire entity.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 805<br> -SubTopic 30<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (b)(4)<br> -URI http://asc.fasb.org/extlink&amp;oid=120321790&amp;loc=d3e6927-128479<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued</td>
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<td>na</td>
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<td><strong> Period Type:</strong></td>
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</div></td></tr>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_BusinessAcquisitionAxis=omex_BismarckMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_BusinessAcquisitionAxis=omex_BismarckMember</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<DOCUMENT>
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<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
							function toggleNextSibling (e) {
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<body>
<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139949329288392">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Exploration License - Consideration Was Allocated (Details) - Bismarck [Member]<br></strong></div></th>
<th class="th">
<div>Mar. 31, 2021 </div>
<div>USD ($)</div>
</th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_BusinessAcquisitionLineItems', window );"><strong>Business Acquisition [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIndefiniteLivedIntangibleAssets', window );">Intangible asset-exploration license rights</a></td>
<td class="nump">$ 1,821,251<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssets', window );">Current assets</a></td>
<td class="nump">1,748<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilities', window );">Current liabilities</a></td>
<td class="num">(3,516)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_BusinessCombinationAcquisitionOfLessThan100PercentNoncontrollingInterestFairValue', window );">Less:&#160;Non-controlling&#160;interest</a></td>
<td class="num">(365,717)<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets', window );">Total net assets acquired</a></td>
<td class="nump">$ 1,453,766<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_BusinessAcquisitionLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_BusinessAcquisitionLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
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<td><strong> Period Type:</strong></td>
<td>duration</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>This element represents the fair value of the noncontrolling interest in the acquiree at the acquisition date.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 805<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (e)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=121647850&amp;loc=d3e4845-128472<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_BusinessCombinationAcquisitionOfLessThan100PercentNoncontrollingInterestFairValue</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Balance Type:</strong></td>
<td>credit</td>
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<td><strong> Period Type:</strong></td>
<td>instant</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of assets acquired at the acquisition date.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 805<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=121647850&amp;loc=d3e4845-128472<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Period Type:</strong></td>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer, acquired at the acquisition date.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 805<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=121647850&amp;loc=d3e4845-128472<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssets</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td>xbrli:monetaryItemType</td>
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<td><strong> Balance Type:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of liabilities due within one year or within the normal operating cycle, if longer, assumed at the acquisition date.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 805<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=121647850&amp;loc=d3e4845-128472<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilities</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
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<td><strong> Balance Type:</strong></td>
<td>credit</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
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</table></div>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIndefiniteLivedIntangibleAssets">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of assets, excluding financial assets and goodwill, that lack physical substance, having a projected indefinite period of benefit, acquired at the acquisition date.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 805<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=121647850&amp;loc=d3e4845-128472<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIndefiniteLivedIntangibleAssets</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td><strong> Balance Type:</strong></td>
<td>debit</td>
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<td>instant</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_BusinessAcquisitionAxis=omex_BismarckMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_BusinessAcquisitionAxis=omex_BismarckMember</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
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<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
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<DOCUMENT>
<TYPE>XML
<SEQUENCE>53
<FILENAME>R41.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139949360659656">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Exploration License  - Additional Information (Detail) - USD ($)<br></strong></div></th>
<th class="th" colspan="1">3 Months Ended</th>
<th class="th" colspan="1"></th>
</tr>
<tr>
<th class="th"><div>Mar. 31, 2021</div></th>
<th class="th"><div>Jul. 09, 2019</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_BusinessAcquisitionLineItems', window );"><strong>Business Acquisition [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ExplorationAbandonmentAndImpairmentExpense', window );">Impairment expense</a></td>
<td class="nump">$ 0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_BusinessAcquisitionAxis=omex_BismarckMember', window );">Bismarck [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_BusinessAcquisitionLineItems', window );"><strong>Business Acquisition [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
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<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 14,000<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis=us-gaap_AccountingStandardsUpdate201701Member', window );">Accounting Standards Update 2017-01 [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_BusinessAcquisitionLineItems', window );"><strong>Business Acquisition [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired', window );">Percent of ownership acquired</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">79.90%<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_AnnualFeeDue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Annual fee due.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_AnnualFeeDue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>omex_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_BusinessAcquisitionLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_BusinessAcquisitionLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
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<td><strong> Balance Type:</strong></td>
<td>na</td>
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<td><strong> Period Type:</strong></td>
<td>duration</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Percentage of voting equity interests acquired at the acquisition date in the business combination.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 805<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=79982066&amp;loc=d3e1392-128463<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired</td>
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<td>num:percentItemType</td>
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<td><strong> Balance Type:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ExplorationAbandonmentAndImpairmentExpense">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The adjustment to expense previously capitalized costs of drilling exploratory wells when proved reserves are not found or when the entity obtains information that raises substantial doubt about the economic or operational viability of the project.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 932<br> -SubTopic 360<br> -Section 40<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=6475089&amp;loc=d3e66610-109467<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 932<br> -SubTopic 360<br> -Section 40<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=6475089&amp;loc=d3e66625-109467<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=121586364&amp;loc=d3e3602-108585<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 932<br> -SubTopic 360<br> -Section 40<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6475089&amp;loc=d3e66584-109467<br><br>Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 932<br> -SubTopic 360<br> -Section 35<br> -Paragraph 11<br> -URI http://asc.fasb.org/extlink&amp;oid=66906256&amp;loc=d3e66150-109466<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ExplorationAbandonmentAndImpairmentExpense</td>
</tr>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
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<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_BusinessAcquisitionAxis=omex_BismarckMember</td>
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<td></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AdjustmentsForNewAccountingPronouncementsAxis=us-gaap_AccountingStandardsUpdate201701Member</td>
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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139949238832184">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Investments In Unconsolidated Entities - Additional Information (Detail) - USD ($)<br></strong></div></th>
<th class="th" colspan="2">3 Months Ended</th>
<th class="th" colspan="1">12 Months Ended</th>
<th class="th" colspan="1"></th>
</tr>
<tr>
<th class="th"><div>Mar. 31, 2021</div></th>
<th class="th"><div>Mar. 31, 2017</div></th>
<th class="th"><div>Dec. 31, 2012</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems', window );"><strong>Schedule of Equity Method Investments [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures', window );">Investment carrying value</a></td>
<td class="nump">$ 2,627,117<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 2,370,794<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_CounterpartyNameAxis=omex_GregStemmMember', window );">Greg Stemm [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems', window );"><strong>Schedule of Equity Method Investments [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures', window );">Investment carrying value</a></td>
<td class="nump">2,627,117<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 2,370,794<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_InvestmentsIssuerAxis=omex_ChathamRockPhosphateLtdMember', window );">Chatham Rock Phosphate, Ltd. [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems', window );"><strong>Schedule of Equity Method Investments [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures', window );">Investment carrying value</a></td>
<td class="nump">$ 0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_MiningExploratoryServiceRevenue', window );">Deep sea mining exploratory services</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 1,680,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_SharesReceivedFromUnconsolidatedEntities', window );">Shares received from CRP</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">141,884<span></span>
</td>
<td class="nump">9,320,348<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SaleOfStockPercentageOfOwnershipAfterTransaction', window );">Outstanding equity stake in CRP</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=omex_NeptuneMineralsIncorporatedMember', window );">Neptune Minerals, Inc. [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems', window );"><strong>Schedule of Equity Method Investments [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EquityMethodInvestmentOwnershipPercentage', window );">Ownership percentage</a></td>
<td class="nump">14.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures', window );">Investment carrying value</a></td>
<td class="nump">$ 0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=omex_NeptuneMineralsIncorporatedMember', window );">Neptune Minerals, Inc. [Member] | Common Class A [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems', window );"><strong>Schedule of Equity Method Investments [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures', window );">Investment carrying value</a></td>
<td class="nump">$ 0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=omex_NeptuneMineralsIncorporatedMember', window );">Neptune Minerals, Inc. [Member] | Common Class B Non Voting Shares [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems', window );"><strong>Schedule of Equity Method Investments [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_EquityMethodInvestmentsNumberOfSharesOwned', window );">Current investment position in NMI</a></td>
<td class="nump">3,092,488<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ConversionOfStockSharesConverted1', window );">Aggregate number of shares converted</a></td>
<td class="nump">261,200<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=omex_NeptuneMineralsIncorporatedMember', window );">Neptune Minerals, Inc. [Member] | Series A Preferred Non Voting Shares [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems', window );"><strong>Schedule of Equity Method Investments [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_EquityMethodInvestmentsNumberOfSharesOwned', window );">Current investment position in NMI</a></td>
<td class="nump">2,612<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=omex_DoradoOceanResourcesLimitedMember', window );">Dorado Ocean Resources, Ltd. [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems', window );"><strong>Schedule of Equity Method Investments [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_CumulativeAndOutstandingLosses', window );">Loss from unconsolidated entity</a></td>
<td class="nump">$ 21,300,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_CumulativeAndOutstandingLosses">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Cumulative and outstanding losses.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_CumulativeAndOutstandingLosses</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>omex_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_EquityMethodInvestmentsNumberOfSharesOwned">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Equity method investments number of shares owned.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_EquityMethodInvestmentsNumberOfSharesOwned</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>omex_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_MiningExploratoryServiceRevenue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Mining exploratory service revenue.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_MiningExploratoryServiceRevenue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>omex_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_SharesReceivedFromUnconsolidatedEntities">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Shares received from unconsolidated entities.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_SharesReceivedFromUnconsolidatedEntities</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>omex_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ConversionOfStockSharesConverted1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The number of shares converted in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=121583591&amp;loc=d3e4313-108586<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=121583591&amp;loc=d3e4304-108586<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 50<br> -Paragraph 5<br> -URI http://asc.fasb.org/extlink&amp;oid=121583591&amp;loc=d3e4332-108586<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ConversionOfStockSharesConverted1</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_EquityMethodInvestmentOwnershipPercentage">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 323<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (a)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=114001798&amp;loc=d3e33918-111571<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EquityMethodInvestmentOwnershipPercentage</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of investment in equity method investee and investment in and advance to affiliate.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.12)<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_SaleOfStockPercentageOfOwnershipAfterTransaction">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Percentage of subsidiary's or equity investee's stock owned by parent company after stock transaction.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_SaleOfStockPercentageOfOwnershipAfterTransaction</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ScheduleOfEquityMethodInvestmentsLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_CounterpartyNameAxis=omex_GregStemmMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_CounterpartyNameAxis=omex_GregStemmMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_InvestmentsIssuerAxis=omex_ChathamRockPhosphateLtdMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_InvestmentsIssuerAxis=omex_ChathamRockPhosphateLtdMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=omex_NeptuneMineralsIncorporatedMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=omex_NeptuneMineralsIncorporatedMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StatementClassOfStockAxis=us-gaap_CommonClassAMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StatementClassOfStockAxis=us-gaap_CommonClassAMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StatementClassOfStockAxis=omex_CommonClassBNonVotingSharesMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StatementClassOfStockAxis=omex_CommonClassBNonVotingSharesMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StatementClassOfStockAxis=omex_SeriesAPreferredNonVotingSharesMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
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<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StatementClassOfStockAxis=omex_SeriesAPreferredNonVotingSharesMember</td>
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<td><strong> Balance Type:</strong></td>
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<td><strong> Name:</strong></td>
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<head>
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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139949240090632">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Income Taxes - Additional Information (Detail)<br></strong></div></th>
<th class="th" colspan="1">3 Months Ended</th>
</tr>
<tr><th class="th">
<div>Mar. 31, 2021 </div>
<div>USD ($)</div>
</th></tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_IncomeTaxesLineItems', window );"><strong>Income Taxes [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredTaxAssetsLiabilitiesNet', window );">Net deferred tax asset</a></td>
<td class="nump">$ 0<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CurrentFederalTaxExpenseBenefit', window );">Income tax expense</a></td>
<td class="nump">0<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingLossCarryforwardsValuationAllowance', window );">Valuation allowance, net operating loss</a></td>
<td class="nump">$ 297,142<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_EstimatedAnnualEffectiveTaxRate', window );">Estimated Annual Effective Tax Rate</a></td>
<td class="nump">7.99%<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EffectiveIncomeTaxRateContinuingOperations', window );">Effective tax rate</a></td>
<td class="nump">0.00%<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxAuthorityAxis=us-gaap_DomesticCountryMember', window );">Federal [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_IncomeTaxesLineItems', window );"><strong>Income Taxes [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration', window );">Net operating loss carryforwards subject to expiration</a></td>
<td class="nump">$ 201,100,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_OperatingLossCarryforwardsExpirationBeginningYear', window );">Net operating loss carryforwards expiration year</a></td>
<td class="text">2025<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_OperatingLossCarryforwardsExpirationEndingYear', window );">Net operating loss carryforwards expiration year</a></td>
<td class="text">2036<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingLossCarryforwards', window );">Net operating loss carryforwards</a></td>
<td class="nump">$ 4,200,000<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxAuthorityAxis=us-gaap_ForeignCountryMember', window );">Foreign [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_IncomeTaxesLineItems', window );"><strong>Income Taxes [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration', window );">Net operating loss carryforwards subject to expiration</a></td>
<td class="nump">63,200,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingLossCarryforwards', window );">Net operating loss carryforwards</a></td>
<td class="nump">$ 1,400,000<span></span>
</td>
</tr>
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<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_EstimatedAnnualEffectiveTaxRate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Estimated Annual Effective Tax Rate</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_EstimatedAnnualEffectiveTaxRate</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>omex_</td>
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<td>num:percentItemType</td>
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<td>duration</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_IncomeTaxesLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Income taxes.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_IncomeTaxesLineItems</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>omex_</td>
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<td>xbrli:stringItemType</td>
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<td><strong> Balance Type:</strong></td>
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<td><strong> Period Type:</strong></td>
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</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_OperatingLossCarryforwardsExpirationBeginningYear">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Operating loss carryforwards expiration beginning year.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_OperatingLossCarryforwardsExpirationBeginningYear</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>omex_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:gYearItemType</td>
</tr>
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<td><strong> Balance Type:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_OperatingLossCarryforwardsExpirationEndingYear">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Operating Loss Carry Forwards Expiration Ending Year</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_OperatingLossCarryforwardsExpirationEndingYear</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>omex_</td>
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<td><strong> Data Type:</strong></td>
<td>xbrli:gYearItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
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</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CurrentFederalTaxExpenseBenefit">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB Topic 6.I.7)<br> -URI http://asc.fasb.org/extlink&amp;oid=116825942&amp;loc=d3e330036-122817<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08(h))<br> -URI http://asc.fasb.org/extlink&amp;oid=120395691&amp;loc=d3e23780-122690<br><br>Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 9<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32639-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CurrentFederalTaxExpenseBenefit</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeferredTaxAssetsLiabilitiesNet">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, without jurisdictional netting.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32537-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredTaxAssetsLiabilitiesNet</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards that are subject to expiration dates.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_EffectiveIncomeTaxRateContinuingOperations">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 12<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32687-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EffectiveIncomeTaxRateContinuingOperations</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OperatingLossCarryforwards">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32559-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OperatingLossCarryforwards</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OperatingLossCarryforwardsValuationAllowance">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The portion of the valuation allowance pertaining to the deferred tax asset representing potential future taxable deductions from net operating loss carryforwards for which it is more likely than not that a tax benefit will not be realized.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32537-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OperatingLossCarryforwardsValuationAllowance</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeTaxAuthorityAxis=us-gaap_DomesticCountryMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeTaxAuthorityAxis=us-gaap_DomesticCountryMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeTaxAuthorityAxis=us-gaap_ForeignCountryMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeTaxAuthorityAxis=us-gaap_ForeignCountryMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>56
<FILENAME>R44.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
							function toggleNextSibling (e) {
							if (e.nextSibling.style.display=='none') {
							e.nextSibling.style.display='block';
							} else { e.nextSibling.style.display='none'; }
							}</script>
</head>
<body>
<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139949240164664">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Income Taxes - Schedule of Change in Valuation Allowance (Detail)<br></strong></div></th>
<th class="th" colspan="1">3 Months Ended</th>
</tr>
<tr><th class="th">
<div>Mar. 31, 2021 </div>
<div>USD ($)</div>
</th></tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxDisclosureAbstract', window );"><strong>Income Tax Disclosure [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredTaxAssetsValuationAllowance', window );">Valuation allowance</a></td>
<td class="nump">$ 68,859,984<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount', window );">Change in valuation allowance</a></td>
<td class="nump">297,142<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredTaxAssetsValuationAllowance', window );">Valuation allowance</a></td>
<td class="nump">$ 69,157,126<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeferredTaxAssetsValuationAllowance">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32537-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredTaxAssetsValuationAllowance</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeTaxDisclosureAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeTaxDisclosureAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32537-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>57
<FILENAME>R45.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
							function toggleNextSibling (e) {
							if (e.nextSibling.style.display=='none') {
							e.nextSibling.style.display='block';
							} else { e.nextSibling.style.display='none'; }
							}</script>
</head>
<body>
<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139949238627656">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Commitments and Contingencies - lease payment obligations (Detail)<br></strong></div></th>
<th class="th">
<div>Mar. 31, 2021 </div>
<div>USD ($)</div>
</th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear', window );">2021</a></td>
<td class="nump">$ 111,109<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths', window );">2022</a></td>
<td class="nump">151,965<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo', window );">2023</a></td>
<td class="nump">156,524<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree', window );">2024</a></td>
<td class="nump">92,884<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue', window );">Total</a></td>
<td class="nump">512,482<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_StatementGeographicalAxis=stpr_FL', window );">FLORIDA</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear', window );">2021</a></td>
<td class="nump">37,832<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths', window );">2022</a></td>
<td class="nump">51,827<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo', window );">2023</a></td>
<td class="nump">53,382<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree', window );">2024</a></td>
<td class="nump">40,930<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue', window );">Total</a></td>
<td class="nump">$ 183,971<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of lessee's undiscounted obligation for lease payment for operating lease.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 50<br> -Paragraph 6<br> -URI http://asc.fasb.org/extlink&amp;oid=121609121&amp;loc=SL77918701-209980<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 50<br> -Paragraph 6<br> -URI http://asc.fasb.org/extlink&amp;oid=121609121&amp;loc=SL77918701-209980<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 50<br> -Paragraph 6<br> -URI http://asc.fasb.org/extlink&amp;oid=121609121&amp;loc=SL77918701-209980<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 50<br> -Paragraph 6<br> -URI http://asc.fasb.org/extlink&amp;oid=121609121&amp;loc=SL77918701-209980<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of lessee's undiscounted obligation for lease payment for operating lease having initial or remaining lease term in excess of one year to be paid in remainder of current fiscal year.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 50<br> -Paragraph 6<br> -URI http://asc.fasb.org/extlink&amp;oid=121609121&amp;loc=SL77918701-209980<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_StatementGeographicalAxis=stpr_FL">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_StatementGeographicalAxis=stpr_FL</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>58
<FILENAME>R46.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139949233145576">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Commitments and Contingencies - Additional Information (Detail) - USD ($)<br></strong></div></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1">1 Months Ended</th>
<th class="th" colspan="3">3 Months Ended</th>
<th class="th" colspan="1"></th>
</tr>
<tr>
<th class="th"><div>Aug. 21, 2020</div></th>
<th class="th"><div>Mar. 11, 2015</div></th>
<th class="th"><div>Mar. 31, 2016</div></th>
<th class="th"><div>Mar. 31, 2021</div></th>
<th class="th"><div>Mar. 31, 2020</div></th>
<th class="th"><div>Sep. 30, 2019</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_GainContingenciesLineItems', window );"><strong>Gain Contingencies [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CashAndCashEquivalentsAtCarryingValue', window );">Cash and cash equivalents</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 5,234,822<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 6,163,205<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_WorkingCapitalDeficit', window );">Working capital deficit</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">49,200,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Assets', window );">Total assets</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">11,023,974<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 11,759,464<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue', window );">Cash Lease Obligation</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">512,482<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingLeaseLiability', window );">Lease Obligation</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">433,145<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingLeaseRightOfUseAsset', window );">Right Of Use Asset</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 421,397<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_PercentageOfAnnualRentAccretionInOperatingLease', window );">Annual increases of base rent</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">3.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction', window );">Sale of stock, Number of shares issued in transaction</a></td>
<td class="nump">2,553,314<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights', window );">Class of warrant or right, Number of securities called by warrants or rights</a></td>
<td class="nump">1,901,989<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PaymentsOfStockIssuanceCosts', window );">Offering costs paid on sale of common stock</a></td>
<td class="nump">$ 300,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProceedsFromIssuanceOfCommonStock', window );">Net proceeds received from sale of stock</a></td>
<td class="nump">11,200,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LeaseAndRentalExpense', window );">Lease rent expense</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 41,000<span></span>
</td>
<td class="nump">$ 54,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EquityInterestIssuedOrIssuableByTypeAxis=us-gaap_CommonStockMember', window );">Common Stock [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_GainContingenciesLineItems', window );"><strong>Gain Contingencies [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProceedsFromIssuanceOfCommonStock', window );">Net proceeds received from sale of stock</a></td>
<td class="nump">$ 11,300,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_BuildingMember', window );">Building [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_GainContingenciesLineItems', window );"><strong>Gain Contingencies [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingLeaseLiability', window );">Lease Obligation</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 590,612<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LesseeOperatingLeaseDiscountRate', window );">Rate Of Discount Used</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">10.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingLeaseRightOfUseAsset', window );">Right Of Use Asset</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 590,612<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentByTypeAxis=omex_CorporateOfficeSpaceMember', window );">Corporate Office Space [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_GainContingenciesLineItems', window );"><strong>Gain Contingencies [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingLeaseLiability', window );">Lease Obligation</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 154,233<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LesseeOperatingLeaseTermOfContract', window );">Tenure Of Lease Agreement</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">5 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingLeaseRightOfUseAsset', window );">Right Of Use Asset</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 150,463<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_StatementGeographicalAxis=stpr_FL', window );">FLORIDA</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_GainContingenciesLineItems', window );"><strong>Gain Contingencies [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_EffectiveDateOfOperatingLeaseAgreeement', window );">Effective Date Of Operating Lease Agreement</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">Oct.  01,  2019<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue', window );">Cash Lease Obligation</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 183,971<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingLeaseLiability', window );">Lease Obligation</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 202,424<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LesseeOperatingLeaseDiscountRate', window );">Rate Of Discount Used</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">10.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LesseeOperatingLeaseTermOfContract', window );">Tenure Of Lease Agreement</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">5 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingLeaseRightOfUseAsset', window );">Right Of Use Asset</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 202,424<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_CounterpartyNameAxis=omex_PenelopeMiningLlcMember', window );">Penelope Mining LLC [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_GainContingenciesLineItems', window );"><strong>Gain Contingencies [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_MaximumAmountOfFinancingAvailableFromFutureIssuanceOfConvertiblePreferredStock', window );">Investment in convertible preferred stock</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 101,000,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_InvestmentAgreementPeriod', window );">Investment agreement period</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">3 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LineOfCreditFacilityAxis=omex_MinosaMember', window );">MINOSA [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_GainContingenciesLineItems', window );"><strong>Gain Contingencies [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity', window );">Amount of debt financed</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 14,750,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue', window );">Cash Lease Obligation</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">5,200,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=omex_OceanicaResourcesMember', window );">Oceanica Resources S. de. R.L [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_GainContingenciesLineItems', window );"><strong>Gain Contingencies [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CommonStockCapitalSharesReservedForFutureIssuance', window );">Grant and potential future issuance of new equity shares</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">3,000,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_RangeAxis=srt_MaximumMember', window );">Maximum [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_GainContingenciesLineItems', window );"><strong>Gain Contingencies [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProfessionalFees', window );">Consultants contingent success fees</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 700,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_RangeAxis=srt_MaximumMember', window );">Maximum [Member] | Building [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_GainContingenciesLineItems', window );"><strong>Gain Contingencies [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_MonthlyLeasePayments', window );">Monthly Lease Payments</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">13,269<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_RangeAxis=srt_MaximumMember', window );">Maximum [Member] | FLORIDA</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_GainContingenciesLineItems', window );"><strong>Gain Contingencies [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_MonthlyLeasePayments', window );">Monthly Lease Payments</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 4,547<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_RangeAxis=srt_MinimumMember', window );">Minimum [Member] | Building [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_GainContingenciesLineItems', window );"><strong>Gain Contingencies [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_MonthlyLeasePayments', window );">Monthly Lease Payments</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 11,789<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_RangeAxis=srt_MinimumMember', window );">Minimum [Member] | FLORIDA</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_GainContingenciesLineItems', window );"><strong>Gain Contingencies [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_MonthlyLeasePayments', window );">Monthly Lease Payments</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 4,040<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_EffectiveDateOfOperatingLeaseAgreeement">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Date Of Inception Of Operating Lease Agreement</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_EffectiveDateOfOperatingLeaseAgreeement</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>omex_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:dateItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_InvestmentAgreementPeriod">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Investment Agreement Period</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_InvestmentAgreementPeriod</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>omex_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:durationItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_MaximumAmountOfFinancingAvailableFromFutureIssuanceOfConvertiblePreferredStock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Maximum Amount Of Financing Available From Future Issuance Of Convertible Preferred Stock</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_MaximumAmountOfFinancingAvailableFromFutureIssuanceOfConvertiblePreferredStock</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>omex_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_MonthlyLeasePayments">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Monthly lease payments.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_MonthlyLeasePayments</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>omex_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_PercentageOfAnnualRentAccretionInOperatingLease">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Percentage Of Annual Rent Accretion In Operating Lease.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_PercentageOfAnnualRentAccretionInOperatingLease</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>omex_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_WorkingCapitalDeficit">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Working capital deficit.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_WorkingCapitalDeficit</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>omex_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_Assets">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-03(11))<br> -URI http://asc.fasb.org/extlink&amp;oid=120398452&amp;loc=d3e534808-122878<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08(g)(1)(ii))<br> -URI http://asc.fasb.org/extlink&amp;oid=120395691&amp;loc=d3e23780-122690<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 825<br> -SubTopic 10<br> -Section 50<br> -Paragraph 28<br> -Subparagraph (f)<br> -URI http://asc.fasb.org/extlink&amp;oid=75031198&amp;loc=d3e14064-108612<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (bb)<br> -URI http://asc.fasb.org/extlink&amp;oid=121559654&amp;loc=d3e5710-111685<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 45<br> -Paragraph 25<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=116870748&amp;loc=SL6758485-165988<br><br>Reference 6: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 32<br> -Subparagraph (d)<br> -URI http://asc.fasb.org/extlink&amp;oid=120311839&amp;loc=d3e8933-108599<br><br>Reference 7: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 22<br> -URI http://asc.fasb.org/extlink&amp;oid=120311839&amp;loc=d3e8736-108599<br><br>Reference 8: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(a)(12))<br> -URI http://asc.fasb.org/extlink&amp;oid=120400017&amp;loc=d3e572229-122910<br><br>Reference 9: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 323<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=114001798&amp;loc=d3e33918-111571<br><br>Reference 10: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 30<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=120311839&amp;loc=d3e8906-108599<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_Assets</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CashAndCashEquivalentsAtCarryingValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=121586364&amp;loc=d3e3044-108585<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section 45<br> -Paragraph 1<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=121566466&amp;loc=d3e6676-107765<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.1)<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CashAndCashEquivalentsAtCarryingValue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=109259400&amp;loc=d3e21475-112644<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CommonStockCapitalSharesReservedForFutureIssuance">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Aggregate number of common shares reserved for future issuance.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.29)<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CommonStockCapitalSharesReservedForFutureIssuance</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_GainContingenciesLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_GainContingenciesLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LeaseAndRentalExpense">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LeaseAndRentalExpense</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LesseeOperatingLeaseDiscountRate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Discount rate used by lessee to determine present value of operating lease payments.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (c)(3)<br> -URI http://asc.fasb.org/extlink&amp;oid=121609121&amp;loc=SL77918673-209980<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LesseeOperatingLeaseDiscountRate</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of lessee's undiscounted obligation for lease payment for operating lease.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 50<br> -Paragraph 6<br> -URI http://asc.fasb.org/extlink&amp;oid=121609121&amp;loc=SL77918701-209980<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LesseeOperatingLeaseTermOfContract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (a)(3)<br> -URI http://asc.fasb.org/extlink&amp;oid=121609121&amp;loc=SL77918673-209980<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LesseeOperatingLeaseTermOfContract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:durationItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.19(b),22(b))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OperatingLeaseLiability">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Present value of lessee's discounted obligation for lease payments from operating lease.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 45<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=121603541&amp;loc=SL77918627-209977<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OperatingLeaseLiability</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OperatingLeaseRightOfUseAsset">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of lessee's right to use underlying asset under operating lease.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 45<br> -Paragraph 1<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=121603541&amp;loc=SL77918627-209977<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OperatingLeaseRightOfUseAsset</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PaymentsOfStockIssuanceCosts">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The cash outflow for cost incurred directly with the issuance of an equity security.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 15<br> -URI http://asc.fasb.org/extlink&amp;oid=121586364&amp;loc=d3e3291-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PaymentsOfStockIssuanceCosts</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ProceedsFromIssuanceOfCommonStock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The cash inflow from the additional capital contribution to the entity.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 14<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=121586364&amp;loc=d3e3255-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ProceedsFromIssuanceOfCommonStock</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ProfessionalFees">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>A fee charged for services from professionals such as doctors, lawyers and accountants. The term is often expanded to include other professions, for example, pharmacists charging to maintain a medicinal profile of a client or customer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 946<br> -SubTopic 220<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.6-07.2(a),(b),(c),(d))<br> -URI http://asc.fasb.org/extlink&amp;oid=120401555&amp;loc=SL114874292-224272<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 946<br> -SubTopic 220<br> -Section 45<br> -Paragraph 3<br> -Subparagraph (k)<br> -URI http://asc.fasb.org/extlink&amp;oid=118262090&amp;loc=SL114874205-224268<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ProfessionalFees</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The number of shares issued or sold by the subsidiary or equity method investee per stock transaction.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_EquityInterestIssuedOrIssuableByTypeAxis=us-gaap_CommonStockMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EquityInterestIssuedOrIssuableByTypeAxis=us-gaap_CommonStockMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_BuildingMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_BuildingMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PropertyPlantAndEquipmentByTypeAxis=omex_CorporateOfficeSpaceMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PropertyPlantAndEquipmentByTypeAxis=omex_CorporateOfficeSpaceMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_StatementGeographicalAxis=stpr_FL">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_StatementGeographicalAxis=stpr_FL</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_CounterpartyNameAxis=omex_PenelopeMiningLlcMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_CounterpartyNameAxis=omex_PenelopeMiningLlcMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LineOfCreditFacilityAxis=omex_MinosaMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LineOfCreditFacilityAxis=omex_MinosaMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=omex_OceanicaResourcesMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=omex_OceanicaResourcesMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
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<td></td>
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</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_RangeAxis=srt_MaximumMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_RangeAxis=srt_MaximumMember</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
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<tr>
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<td></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_RangeAxis=srt_MinimumMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_RangeAxis=srt_MinimumMember</td>
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<tr>
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<td><strong> Data Type:</strong></td>
<td>na</td>
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<DESCRIPTION>IDEA: XBRL DOCUMENT
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<head>
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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139949234999512">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Loans Payable - Schedule of Consolidated Notes Payable (Detail) - USD ($)<br></strong></div></th>
<th class="th"><div>Mar. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LoansPayable', window );">Loans payable</a></td>
<td class="nump">$ 42,154,585<span></span>
</td>
<td class="nump">$ 42,593,268<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongtermDebtTypeAxis=us-gaap_LoansPayableMember', window );">Loans Payable [Member] | Note 1- Monaco 2014 [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LoansPayable', window );">Loans payable</a></td>
<td class="nump">2,800,000<span></span>
</td>
<td class="nump">2,800,000<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongtermDebtTypeAxis=us-gaap_LoansPayableMember', window );">Loans Payable [Member] | Note 2 - Monaco 2016 [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LoansPayable', window );">Loans payable</a></td>
<td class="nump">1,175,000<span></span>
</td>
<td class="nump">1,175,000<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongtermDebtTypeAxis=us-gaap_LoansPayableMember', window );">Loans Payable [Member] | Note 3 - MINOSA 1 [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LoansPayable', window );">Loans payable</a></td>
<td class="nump">14,750,001<span></span>
</td>
<td class="nump">14,750,001<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongtermDebtTypeAxis=us-gaap_LoansPayableMember', window );">Loans Payable [Member] | Note 4 - Epsilon [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LoansPayable', window );">Loans payable</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1,000,000<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongtermDebtTypeAxis=us-gaap_LoansPayableMember', window );">Loans Payable [Member] | Note 5 - SMOM [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LoansPayable', window );">Loans payable</a></td>
<td class="nump">3,500,000<span></span>
</td>
<td class="nump">3,500,000<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongtermDebtTypeAxis=us-gaap_LoansPayableMember', window );">Loans Payable [Member] | Note 6 - MINOSA 2 [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LoansPayable', window );">Loans payable</a></td>
<td class="nump">5,050,000<span></span>
</td>
<td class="nump">5,050,000<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongtermDebtTypeAxis=us-gaap_LoansPayableMember', window );">Loans Payable [Member] | Note 7 - Monaco 2018 [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LoansPayable', window );">Loans payable</a></td>
<td class="nump">1,099,366<span></span>
</td>
<td class="nump">1,099,366<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongtermDebtTypeAxis=us-gaap_LoansPayableMember', window );">Loans Payable [Member] | Note 8 - Promissory note [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LoansPayable', window );">Loans payable</a></td>
<td class="nump">1,150,180<span></span>
</td>
<td class="nump">1,245,863<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongtermDebtTypeAxis=us-gaap_LoansPayableMember', window );">Loans Payable [Member] | Note 9 &#8211; Litigation financing</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LoansPayable', window );">Loans payable</a></td>
<td class="nump">11,625,729<span></span>
</td>
<td class="nump">10,968,729<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongtermDebtTypeAxis=us-gaap_LoansPayableMember', window );">Loans Payable [Member] | Note 10 &#8211; Payroll Protection Program</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LoansPayable', window );">Loans payable</a></td>
<td class="nump">370,400<span></span>
</td>
<td class="nump">370,400<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongtermDebtTypeAxis=us-gaap_LoansPayableMember', window );">Loans Payable [Member] | Note 11 &#8211; Emergency Injury Disaster Loan</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LoansPayable', window );">Loans payable</a></td>
<td class="nump">149,900<span></span>
</td>
<td class="nump">149,900<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongtermDebtTypeAxis=us-gaap_LoansPayableMember', window );">Loans Payable [Member] | Note 12 &#8211; Vendor note payable</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LoansPayable', window );">Loans payable</a></td>
<td class="nump">$ 484,009<span></span>
</td>
<td class="nump">$ 484,009<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LoansPayable">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Including the current and noncurrent portions, aggregate carrying value as of the balance sheet date of loans payable (with maturities initially due after one year or beyond the operating cycle if longer).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-03(16))<br> -URI http://asc.fasb.org/extlink&amp;oid=120398452&amp;loc=d3e534808-122878<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(22))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(16)(a)(2))<br> -URI http://asc.fasb.org/extlink&amp;oid=120400017&amp;loc=d3e572229-122910<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LoansPayable</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LongtermDebtTypeAxis=us-gaap_LoansPayableMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongtermDebtTypeAxis=us-gaap_LoansPayableMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
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<td><strong> Name:</strong></td>
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<td><strong> Name:</strong></td>
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<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1">1 Months Ended</th>
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<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
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<th class="th"><div>Dec. 10, 2015</div></th>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentAxis=omex_TrancheTwoMember', window );">Second Tranche [Member]</a></td>
<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentAxis=omex_TrancheThreeMember', window );">Third Tranche [Member]</a></td>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentMaturityDate', window );">Debt instrument maturity date</a></td>
<td class="text">Dec. 31,  2017<span></span>
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<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongtermDebtTypeAxis=omex_NoteOneMonacoTwoThousandFourteenMember', window );">Note 1- Monaco 2014 [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentFaceAmount', window );">Aggregate amount issuable</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 10,000,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentInterestRateStatedPercentage', window );">Interest rate, stated percentage</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">11.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ExtinguishmentOfDebtAmount', window );">Litigation Settlement Loans Payable</a></td>
<td class="nump">$ 2,200,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_NotesCeasedToBearInterestAmount', window );">Notes ceased to bear interest, amount</a></td>
<td class="nump">$ 5,000,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentMaturityDate', window );">Debt instrument maturity date</a></td>
<td class="text">Dec. 31,  2017<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">Apr.  01,  2018<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentIncreaseAccruedInterest', window );">Accrued interest</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">141,315<span></span>
</td>
<td class="nump">$ 142,885<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LettersOfCreditOutstandingAmount', window );">Outstanding notes balance</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">2,800,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 2,800,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongtermDebtTypeAxis=omex_NoteOneMonacoTwoThousandFourteenMember', window );">Note 1- Monaco 2014 [Member] | Oceanica Resources S. de. R.L [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SaleOfStockPricePerShare', window );">Per share value of shares exercised by private investor</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 3.15<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SaleOfStockConsiderationReceivedPerTransaction', window );">Aggregate value of shares issued to lender</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 1,000,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongtermDebtTypeAxis=omex_NoteOneMonacoTwoThousandFourteenMember', window );">Note 1- Monaco 2014 [Member] | Oceanica Resources S. de. R.L [Member] | Loan Modification March Two Thousand Sixteen [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SaleOfStockPricePerShare', window );">Per share value of shares exercised by private investor</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 1.00<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongtermDebtTypeAxis=omex_NoteOneMonacoTwoThousandFourteenMember', window );">Note 1- Monaco 2014 [Member] | First Tranche [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentCarryingAmount', window );">Loan amount borrowed</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 5,000,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongtermDebtTypeAxis=omex_NoteOneMonacoTwoThousandFourteenMember', window );">Note 1- Monaco 2014 [Member] | Second Tranche [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentCarryingAmount', window );">Loan amount borrowed</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 2,500,000<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongtermDebtTypeAxis=omex_NoteOneMonacoTwoThousandFourteenMember', window );">Note 1- Monaco 2014 [Member] | Third Tranche [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentCarryingAmount', window );">Loan amount borrowed</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 2,500,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongtermDebtTypeAxis=omex_NoteTwoMember', window );">Note 2 [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentFaceAmount', window );">Aggregate amount issuable</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 1,825,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentInterestRateStatedPercentage', window );">Interest rate, stated percentage</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">10.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentMaturityDate', window );">Debt instrument maturity date</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">Apr. 15,  2018<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentIncreaseAccruedInterest', window );">Accrued interest</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 65,988<span></span>
</td>
<td class="nump">$ 66,721<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_DebtInstrumentDebtDefaultInterestRate', window );">Debt default interest rate</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">18.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">18.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LettersOfCreditOutstandingAmount', window );">Outstanding notes balance</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 1,175,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 1,175,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_DebtInstrumentDebtDefaultInterestRate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Debt instrument debt default interest rate.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_DebtInstrumentDebtDefaultInterestRate</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>omex_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_NotesCeasedToBearInterestAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Notes ceased to bear interest amount.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_NotesCeasedToBearInterestAmount</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>omex_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentCarryingAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 20<br> -Section 50<br> -Paragraph 4<br> -Subparagraph (b)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=120520924&amp;loc=SL6031897-161870<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(16))<br> -URI http://asc.fasb.org/extlink&amp;oid=120400017&amp;loc=d3e572229-122910<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(22))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-03(16))<br> -URI http://asc.fasb.org/extlink&amp;oid=120398452&amp;loc=d3e534808-122878<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentCarryingAmount</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentFaceAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Face (par) amount of debt instrument at time of issuance.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 835<br> -SubTopic 30<br> -Section 45<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=119993939&amp;loc=d3e28551-108399<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 835<br> -SubTopic 30<br> -Section 55<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=114775985&amp;loc=d3e28878-108400<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentFaceAmount</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentIncreaseAccruedInterest">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Increase for accrued, but unpaid interest on the debt instrument for the period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08.(f))<br> -URI http://asc.fasb.org/extlink&amp;oid=120395691&amp;loc=d3e23780-122690<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentIncreaseAccruedInterest</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentInterestRateStatedPercentage">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Contractual interest rate for funds borrowed, under the debt agreement.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.22(a)(1))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentInterestRateStatedPercentage</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentMaturityDate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.22(a)(2))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 820<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (bbb)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=117815213&amp;loc=d3e19207-110258<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentMaturityDate</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:dateItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ExtinguishmentOfDebtAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Gross amount of debt extinguished.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ExtinguishmentOfDebtAmount</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LettersOfCreditOutstandingAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LettersOfCreditOutstandingAmount</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_SaleOfStockConsiderationReceivedPerTransaction">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of consideration received by subsidiary or equity investee in exchange for shares of stock issued or sold. Includes amount of cash received, fair value of noncash assets received, and fair value of liabilities assumed by the investor.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_SaleOfStockConsiderationReceivedPerTransaction</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_SaleOfStockPricePerShare">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_SaleOfStockPricePerShare</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentAxis=omex_TrancheTwoMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentAxis=omex_TrancheTwoMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentAxis=omex_TrancheThreeMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentAxis=omex_TrancheThreeMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LongtermDebtTypeAxis=omex_NoteOneMonacoTwoThousandFourteenMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongtermDebtTypeAxis=omex_NoteOneMonacoTwoThousandFourteenMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=omex_OceanicaResourcesMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=omex_OceanicaResourcesMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LoanRestructuringModificationNameAxis=omex_LoanModificationMarchTwoThousandSixteenMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LoanRestructuringModificationNameAxis=omex_LoanModificationMarchTwoThousandSixteenMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentAxis=omex_TrancheOneMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentAxis=omex_TrancheOneMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LongtermDebtTypeAxis=omex_NoteTwoMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongtermDebtTypeAxis=omex_NoteTwoMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>61
<FILENAME>R49.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
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<body>
<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139949232336152">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Loans Payable - Note 2 - Monaco 2016 - Additional Information (Detail)<br></strong></div></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="2">1 Months Ended</th>
<th class="th" colspan="2">3 Months Ended</th>
<th class="th" colspan="2">12 Months Ended</th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
</tr>
<tr>
<th class="th">
<div>Dec. 10, 2015 </div>
<div>USD ($)</div>
</th>
<th class="th">
<div>Mar. 31, 2018 </div>
<div>USD ($)</div>
</th>
<th class="th">
<div>Mar. 31, 2016 </div>
<div>USD ($) </div>
<div>Installment </div>
<div>$ / shares</div>
</th>
<th class="th">
<div>Mar. 31, 2021 </div>
<div>USD ($) </div>
<div>$ / shares </div>
<div>shares</div>
</th>
<th class="th">
<div>Mar. 31, 2020 </div>
<div>USD ($)</div>
</th>
<th class="th">
<div>Dec. 31, 2019 </div>
<div>USD ($)</div>
</th>
<th class="th">
<div>Dec. 31, 2017 </div>
<div>USD ($)</div>
</th>
<th class="th">
<div>Dec. 31, 2020 </div>
<div>USD ($)</div>
</th>
<th class="th"><div>Apr. 01, 2018</div></th>
<th class="th">
<div>Oct. 01, 2016 </div>
<div>USD ($)</div>
</th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentFaceAmount', window );">Aggregate amount issuable</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 3,000,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LoansPayable', window );">Loans payable</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 42,154,585<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 42,593,268<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_GainsLossesOnExtinguishmentOfDebt', window );">Gain (loss) on debt extinguishment</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">$ (290,024)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentAxis=omex_TrancheTwoMember', window );">Second Tranche [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentMaturityDate', window );">Debt instrument maturity date</a></td>
<td class="text">Dec. 31,  2017<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentAxis=omex_TrancheThreeMember', window );">Third Tranche [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentMaturityDate', window );">Debt instrument maturity date</a></td>
<td class="text">Dec. 31,  2017<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentByTypeAxis=omex_MarineVesselMember', window );">Marine Vessel [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment', window );">Cash proceeds from sale of vessel</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 650,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongtermDebtTypeAxis=omex_LoanModificationMember', window );">Loan Modification [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentConvertibleConversionPrice1', window );">Conversion price of Notes | $ / shares</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 1.00<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LoansPayable', window );">Loans payable</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 2,800,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_GainsLossesOnExtinguishmentOfDebt', window );">Gain (loss) on debt extinguishment</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 1,200,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongtermDebtTypeAxis=omex_LoanModificationMember', window );">Loan Modification [Member] | First Tranche [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ConvertibleNotesPayable', window );">Convertible notes payable</a></td>
<td class="nump">$ 5,000,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentDescription', window );">Agreement description</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">Monaco agreed to cease interest as of December 10, 2015 and reduce the loan balance by (i) the cash or other value received from the SS Central America shipwreck project (&#8220;SSCA&#8221;) or (ii) if the proceeds received from the SSCA project were insufficient to pay off the loan balance by December 31, 2017, then Monaco could seek repayment of the remaining outstanding balance on the loan by withholding Odyssey&#8217;s 21.25% &#8220;additional consideration&#8221; in new shipwreck projects performed for Monaco in the future.<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_AdditionalConsiderationPercentage', window );">Additional consideration percentage</a></td>
<td class="nump">21.25%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongtermDebtTypeAxis=omex_LoanModificationMember', window );">Loan Modification [Member] | Second Tranche [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentFaceAmount', window );">Aggregate amount issuable</a></td>
<td class="nump">$ 300,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ConvertibleNotesPayable', window );">Convertible notes payable</a></td>
<td class="nump">2,500,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_DebtInstrumentDecreaseInFaceAmount', window );">Reduced principal amount</a></td>
<td class="nump">2,200,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongtermDebtTypeAxis=omex_LoanModificationMember', window );">Loan Modification [Member] | Third Tranche [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ConvertibleNotesPayable', window );">Convertible notes payable</a></td>
<td class="nump">$ 2,500,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongtermDebtTypeAxis=omex_LoanModificationMember', window );">Loan Modification [Member] | Oceanica Resources S. de. R.L [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentMaturityDate', window );">Debt instrument maturity date</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">Dec. 31,  2017<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent', window );">Equity component in loans payable</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 3,174,603<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtConversionConvertedInstrumentSharesIssued1', window );">Debt instrument, number of shares | shares</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">3,174,603<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtConversionConvertedInstrumentAmount1', window );">Debt instrument, value of shares</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 3,174,603<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongtermDebtTypeAxis=omex_LoanModificationMember', window );">Loan Modification [Member] | Monaco [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_DebtInstrumentConvertibleNumberOfOptionsEliminatedUnderSharePurchaseOption', window );">Number of options eliminated under share purchase option | shares</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">3,174,603<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SaleOfStockPricePerShare', window );">Per share value of shares purchased by private investor | $ / shares</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 3.15<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongtermDebtTypeAxis=omex_NoteTwoMember', window );">Note 2 [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentFaceAmount', window );">Aggregate amount issuable</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 1,825,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentInterestRateStatedPercentage', window );">Interest rate, stated percentage</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">10.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentMaturityDate', window );">Debt instrument maturity date</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">Apr. 15,  2018<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LettersOfCreditOutstandingAmount', window );">Outstanding notes balance</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 1,175,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 1,175,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RepaymentsOfLongTermDebt', window );">Loans payable, repayment</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 650,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentConvertibleBeneficialConversionFeature', window );">BCF amount recorded</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 456,250<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentIncreaseAccruedInterest', window );">Accrued interest</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 65,988<span></span>
</td>
<td class="nump">$ 66,721<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_DebtInstrumentDebtDefaultInterestRate', window );">Debt default interest rate</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">18.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">18.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongtermDebtTypeAxis=omex_NoteTwoMember', window );">Note 2 [Member] | Oceanica Resources S. de. R.L [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentConvertibleConversionPrice1', window );">Conversion price of Notes | $ / shares</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 1.00<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongtermDebtTypeAxis=omex_NoteTwoMember', window );">Note 2 [Member] | Exploraciones Oceanicas [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentFaceAmount', window );">Aggregate amount issuable</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 18,000,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentMaturityDate', window );">Debt instrument maturity date</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">Sep. 25,  2015<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongtermDebtTypeAxis=omex_NoteTwoMember', window );">Note 2 [Member] | Oceanica Marine Operations [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentFaceAmount', window );">Aggregate amount issuable</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 9,300,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentTerm', window );">Debt instrument term</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">30 days<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_DebtInstrumentConsiderationPayableOnExpiration', window );">Aggregate consideration payable</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 1,800,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_DebtInstrumentNumberOfInstallments', window );">Debt instrument number of installments | Installment</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">10<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_DebtInstrumentInstallmentAmount', window );">Installment amount of Notes</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 750,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FixturesAndEquipmentGross', window );">Equipment carrying value</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 100,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_AdditionalConsiderationPercentage">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Additional consideration percentage.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_AdditionalConsiderationPercentage</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>omex_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_DebtInstrumentConsiderationPayableOnExpiration">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Debt instrument consideration payable on expiration.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_DebtInstrumentConsiderationPayableOnExpiration</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>omex_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_DebtInstrumentConvertibleNumberOfOptionsEliminatedUnderSharePurchaseOption">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Debt instrument convertible number of options eliminated under share purchase option.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_DebtInstrumentConvertibleNumberOfOptionsEliminatedUnderSharePurchaseOption</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>omex_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_DebtInstrumentDebtDefaultInterestRate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Debt instrument debt default interest rate.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_DebtInstrumentDebtDefaultInterestRate</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>omex_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_DebtInstrumentDecreaseInFaceAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Debt instrument decrease in face amount.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_DebtInstrumentDecreaseInFaceAmount</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>omex_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_DebtInstrumentInstallmentAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Debt instrument, installment amount.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_DebtInstrumentInstallmentAmount</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>omex_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_DebtInstrumentNumberOfInstallments">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Debt instrument number of installments.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_DebtInstrumentNumberOfInstallments</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>omex_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:integerItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ConvertibleNotesPayable">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Including the current and noncurrent portions, carrying value as of the balance sheet date of a written promise to pay a note, initially due after one year or beyond the operating cycle if longer, which can be exchanged for a specified amount of one or more securities (typically common stock), at the option of the issuer or the holder.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-03(16))<br> -URI http://asc.fasb.org/extlink&amp;oid=120398452&amp;loc=d3e534808-122878<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 946<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.6-04(13))<br> -URI http://asc.fasb.org/extlink&amp;oid=120401414&amp;loc=d3e603758-122996<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(22))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(a)(16)(a))<br> -URI http://asc.fasb.org/extlink&amp;oid=120400017&amp;loc=d3e572229-122910<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ConvertibleNotesPayable</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtConversionConvertedInstrumentAmount1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The value of the financial instrument(s) that the original debt is being converted into in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=121583591&amp;loc=d3e4304-108586<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 50<br> -Paragraph 5<br> -URI http://asc.fasb.org/extlink&amp;oid=121583591&amp;loc=d3e4332-108586<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtConversionConvertedInstrumentAmount1</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtConversionConvertedInstrumentSharesIssued1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The number of shares issued in exchange for the original debt being converted in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or payments in the period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 50<br> -Paragraph 5<br> -URI http://asc.fasb.org/extlink&amp;oid=121583591&amp;loc=d3e4332-108586<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=121583591&amp;loc=d3e4304-108586<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtConversionConvertedInstrumentSharesIssued1</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentConvertibleBeneficialConversionFeature">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of a favorable spread to a debt holder between the amount of debt being converted and the value of the securities received upon conversion. This is an embedded conversion feature of convertible debt issued that is in-the-money at the commitment date.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section 50<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=109259400&amp;loc=d3e21538-112644<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentConvertibleBeneficialConversionFeature</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The carrying amount of the equity component of convertible debt which may be settled in cash upon conversion.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 20<br> -Section 50<br> -Paragraph 4<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=120520924&amp;loc=SL6031897-161870<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentConvertibleConversionPrice1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The price per share of the conversion feature embedded in the debt instrument.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 20<br> -Section 50<br> -Paragraph 5<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=120520924&amp;loc=SL6031898-161870<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentConvertibleConversionPrice1</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentDescription">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Identification of the lender and information about a contractual promise to repay a short-term or long-term obligation, which includes borrowings under lines of credit, notes payable, commercial paper, bonds payable, debentures, and other contractual obligations for payment. This may include rationale for entering into the arrangement, significant terms of the arrangement, which may include amount, repayment terms, priority, collateral required, debt covenants, borrowing capacity, call features, participation rights, conversion provisions, sinking-fund requirements, voting rights, basis for conversion if convertible and remarketing provisions. The description may be provided for individual debt instruments, rational groupings of debt instruments, or by debt in total.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(16))<br> -URI http://asc.fasb.org/extlink&amp;oid=120400017&amp;loc=d3e572229-122910<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=109259400&amp;loc=d3e21475-112644<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-03(16))<br> -URI http://asc.fasb.org/extlink&amp;oid=120398452&amp;loc=d3e534808-122878<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(22))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-03(13))<br> -URI http://asc.fasb.org/extlink&amp;oid=120398452&amp;loc=d3e534808-122878<br><br>Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(19))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 7: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 470<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=75038535&amp;loc=d3e64711-112823<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentDescription</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentFaceAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Face (par) amount of debt instrument at time of issuance.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 835<br> -SubTopic 30<br> -Section 45<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=119993939&amp;loc=d3e28551-108399<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 835<br> -SubTopic 30<br> -Section 55<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=114775985&amp;loc=d3e28878-108400<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentFaceAmount</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
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</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentIncreaseAccruedInterest">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Increase for accrued, but unpaid interest on the debt instrument for the period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08.(f))<br> -URI http://asc.fasb.org/extlink&amp;oid=120395691&amp;loc=d3e23780-122690<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentIncreaseAccruedInterest</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentInterestRateStatedPercentage">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Contractual interest rate for funds borrowed, under the debt agreement.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.22(a)(1))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentInterestRateStatedPercentage</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentMaturityDate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.22(a)(2))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 820<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (bbb)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=117815213&amp;loc=d3e19207-110258<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentMaturityDate</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:dateItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentTerm">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentTerm</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:durationItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_FixturesAndEquipmentGross">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount before accumulated depreciation of fixtures and equipment. Includes, but is not limited to, machinery, equipment, and engines.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FixturesAndEquipmentGross</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_GainsLossesOnExtinguishmentOfDebt">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 50<br> -Section 40<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=117329964&amp;loc=d3e12355-112629<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 50<br> -Section 40<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=117329964&amp;loc=d3e12317-112629<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=121586364&amp;loc=d3e3602-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_GainsLossesOnExtinguishmentOfDebt</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LettersOfCreditOutstandingAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LettersOfCreditOutstandingAmount</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LoansPayable">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Including the current and noncurrent portions, aggregate carrying value as of the balance sheet date of loans payable (with maturities initially due after one year or beyond the operating cycle if longer).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-03(16))<br> -URI http://asc.fasb.org/extlink&amp;oid=120398452&amp;loc=d3e534808-122878<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(22))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(16)(a)(2))<br> -URI http://asc.fasb.org/extlink&amp;oid=120400017&amp;loc=d3e572229-122910<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LoansPayable</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 12<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=121586364&amp;loc=d3e3179-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RepaymentsOfLongTermDebt">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 15<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=121586364&amp;loc=d3e3291-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RepaymentsOfLongTermDebt</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_SaleOfStockPricePerShare">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_SaleOfStockPricePerShare</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentAxis=omex_TrancheTwoMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentAxis=omex_TrancheTwoMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentAxis=omex_TrancheThreeMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentAxis=omex_TrancheThreeMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PropertyPlantAndEquipmentByTypeAxis=omex_MarineVesselMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PropertyPlantAndEquipmentByTypeAxis=omex_MarineVesselMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LongtermDebtTypeAxis=omex_LoanModificationMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongtermDebtTypeAxis=omex_LoanModificationMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentAxis=omex_TrancheOneMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentAxis=omex_TrancheOneMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=omex_OceanicaResourcesMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=omex_OceanicaResourcesMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=omex_MonacoFinancialLLCMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=omex_MonacoFinancialLLCMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LongtermDebtTypeAxis=omex_NoteTwoMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongtermDebtTypeAxis=omex_NoteTwoMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=omex_ExploracionesOceanicasMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=omex_ExploracionesOceanicasMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=omex_OceanicaMarineOperationsMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=omex_OceanicaMarineOperationsMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
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<DESCRIPTION>IDEA: XBRL DOCUMENT
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<head>
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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139949234170552">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Loans Payable - Note 3 - MINOSA - Additional Information (Detail)<br></strong></div></th>
<th class="th" colspan="2">3 Months Ended</th>
<th class="th" colspan="1">12 Months Ended</th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
</tr>
<tr>
<th class="th">
<div>Mar. 31, 2021 </div>
<div>USD ($) </div>
<div>Tranches</div>
</th>
<th class="th">
<div>Mar. 31, 2020 </div>
<div>USD ($)</div>
</th>
<th class="th"><div>Dec. 31, 2017</div></th>
<th class="th">
<div>Dec. 31, 2020 </div>
<div>USD ($)</div>
</th>
<th class="th">
<div>Oct. 01, 2016 </div>
<div>USD ($)</div>
</th>
<th class="th">
<div>Mar. 11, 2015 </div>
<div>USD ($)</div>
</th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentFaceAmount', window );">Promissory note face amount</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 3,000,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentUnamortizedDiscount', window );">Debt discount amount</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 796,812<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OptionIndexedToIssuersEquityTypeAxis=us-gaap_CallOptionMember', window );">Oceanica Call Option [Member] | Oceanica Resources S. de. R.L [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeFairValueOfDerivativeNet', window );">Derivative, fixed value</a></td>
<td class="nump">$ 40,000,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShortTermDebtTypeAxis=omex_PromissoryNoteMember', window );">Promissory Note [Member] | Oceanica Resources S. de. R.L [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ConvertibleNotesPayable', window );">Promissory note outstanding amount</a></td>
<td class="nump">14,750,001<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShortTermDebtTypeAxis=omex_PromissoryNoteMember', window );">Promissory Note [Member] | Deferred Income Call Option [Member] | Oceanica Resources S. de. R.L [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ConvertibleNotesPayable', window );">Promissory note outstanding amount</a></td>
<td class="nump">383,148<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentUnamortizedDiscount', window );">Debt discount amount</a></td>
<td class="nump">$ 383,148<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentAxis=omex_NoteSixMinosaTwoMember', window );">Note 6 - MINOSA 2 [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_DebtInstrumentThresholdPaymentTerm', window );">Debt instrument, threshold payment term</a></td>
<td class="text">60 days<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">60 days<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InvestmentTypeAxis=omex_SharePurchaseAgreementMember', window );">Stock Purchase Agreement [Member] | Note 6 - MINOSA 2 [Member] | Promissory Note [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentFaceAmount', window );">Promissory note face amount</a></td>
<td class="nump">$ 14,750,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 14,750,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 14,750,000<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LineOfCreditFacilityAxis=omex_MinosaMember', window );">MINOSA [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InterestExpenseDebt', window );">Debt, interest expense</a></td>
<td class="nump">$ 290,959<span></span>
</td>
<td class="nump">$ 294,191<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LineOfCreditFacilityAxis=omex_MinosaMember', window );">MINOSA [Member] | Promissory Note [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_EstimatedMarketRateLoanPercentage', window );">Estimated market rate loan percentage</a></td>
<td class="nump">15.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LineOfCreditFacilityAxis=omex_MinosaMember', window );">MINOSA [Member] | Stock Purchase Agreement [Member] | Oceanica Call Option [Member] | Oceanica Resources S. de. R.L [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_SharePurchaseAgreementExpirationDate', window );">Share purchase agreement expiration date</a></td>
<td class="text">Mar. 30,  2016<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_StockGrantedValueUponConversionOfConvertibleSecurities', window );">Stock granted during period, value</a></td>
<td class="nump">$ 40,000,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_StockGrantedPercentageUponConversionOfConvertibleSecurities', window );">Stock granted during period, percentage</a></td>
<td class="nump">54.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_InvestmentsOptionsExpirationDate', window );">Call option expiration date</a></td>
<td class="text">Mar. 11,  2016<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LineOfCreditFacilityAxis=omex_MinosaMember', window );">MINOSA [Member] | Stock Purchase Agreement [Member] | Promissory Note [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentInterestRateStatedPercentage', window );">Interest rate, stated percentage</a></td>
<td class="nump">8.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ConvertibleNotesPayable', window );">Promissory note outstanding amount</a></td>
<td class="nump">$ 14,750,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentMaturityDate', window );">Debt instrument maturity date</a></td>
<td class="text">Mar. 18,  2017<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentFaceAmount', window );">Promissory note face amount</a></td>
<td class="nump">$ 14,750,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_DebtInstrumentNumberOfAdvances', window );">Number of advances | Tranches</a></td>
<td class="nump">5<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_DebtInstrumentNumberOfAdvances">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Debt instrument number of tranches.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_DebtInstrumentNumberOfAdvances</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>omex_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:integerItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_DebtInstrumentThresholdPaymentTerm">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Debt instrument threshold payment term.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_DebtInstrumentThresholdPaymentTerm</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>omex_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:durationItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_EstimatedMarketRateLoanPercentage">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Estimated market rate loan percentage.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_EstimatedMarketRateLoanPercentage</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>omex_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_InvestmentsOptionsExpirationDate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Investments options expiration date.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_InvestmentsOptionsExpirationDate</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>omex_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:dateItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_SharePurchaseAgreementExpirationDate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Share purchase agreement expiration date.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_SharePurchaseAgreementExpirationDate</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>omex_</td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:dateItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_StockGrantedPercentageUponConversionOfConvertibleSecurities">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Stock granted percentage upon conversion of convertible securities.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_StockGrantedPercentageUponConversionOfConvertibleSecurities</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>omex_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_StockGrantedValueUponConversionOfConvertibleSecurities">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Stock granted value upon conversion of convertible securities.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_StockGrantedValueUponConversionOfConvertibleSecurities</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>omex_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ConvertibleNotesPayable">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Including the current and noncurrent portions, carrying value as of the balance sheet date of a written promise to pay a note, initially due after one year or beyond the operating cycle if longer, which can be exchanged for a specified amount of one or more securities (typically common stock), at the option of the issuer or the holder.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-03(16))<br> -URI http://asc.fasb.org/extlink&amp;oid=120398452&amp;loc=d3e534808-122878<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 946<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.6-04(13))<br> -URI http://asc.fasb.org/extlink&amp;oid=120401414&amp;loc=d3e603758-122996<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(22))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(a)(16)(a))<br> -URI http://asc.fasb.org/extlink&amp;oid=120400017&amp;loc=d3e572229-122910<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ConvertibleNotesPayable</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentFaceAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Face (par) amount of debt instrument at time of issuance.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 835<br> -SubTopic 30<br> -Section 45<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=119993939&amp;loc=d3e28551-108399<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 835<br> -SubTopic 30<br> -Section 55<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=114775985&amp;loc=d3e28878-108400<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentFaceAmount</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentInterestRateStatedPercentage">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Contractual interest rate for funds borrowed, under the debt agreement.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.22(a)(1))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentInterestRateStatedPercentage</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentMaturityDate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.22(a)(2))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 820<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (bbb)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=117815213&amp;loc=d3e19207-110258<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentMaturityDate</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:dateItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentUnamortizedDiscount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, after accumulated amortization, of debt discount.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 835<br> -SubTopic 30<br> -Section 45<br> -Paragraph 1A<br> -URI http://asc.fasb.org/extlink&amp;oid=119993939&amp;loc=d3e28541-108399<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 835<br> -SubTopic 30<br> -Section 55<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=114775985&amp;loc=d3e28878-108400<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentUnamortizedDiscount</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DerivativeFairValueOfDerivativeNet">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Fair value of the assets less the liabilities of a derivative or group of derivatives.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 825<br> -SubTopic 10<br> -Section 50<br> -Paragraph 10<br> -URI http://asc.fasb.org/extlink&amp;oid=121572278&amp;loc=d3e13433-108611<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DerivativeFairValueOfDerivativeNet</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_InterestExpenseDebt">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of the cost of borrowed funds accounted for as interest expense for debt.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 20<br> -Section 50<br> -Paragraph 6<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=120520924&amp;loc=SL6036836-161870<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03.8)<br> -URI http://asc.fasb.org/extlink&amp;oid=120395209&amp;loc=SL114868664-224227<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_InterestExpenseDebt</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OptionIndexedToIssuersEquityTypeAxis=us-gaap_CallOptionMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OptionIndexedToIssuersEquityTypeAxis=us-gaap_CallOptionMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=omex_OceanicaResourcesMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=omex_OceanicaResourcesMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShortTermDebtTypeAxis=omex_PromissoryNoteMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShortTermDebtTypeAxis=omex_PromissoryNoteMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DerivativeInstrumentRiskAxis=omex_DeferredRevenueCallOptionMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DerivativeInstrumentRiskAxis=omex_DeferredRevenueCallOptionMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentAxis=omex_NoteSixMinosaTwoMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentAxis=omex_NoteSixMinosaTwoMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_InvestmentTypeAxis=omex_SharePurchaseAgreementMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_InvestmentTypeAxis=omex_SharePurchaseAgreementMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LineOfCreditFacilityAxis=omex_MinosaMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LineOfCreditFacilityAxis=omex_MinosaMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
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</table></div>
</div></td></tr>
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</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>63
<FILENAME>R51.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139949234939016">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Loans Payable - Schedule of Allocation of Cash Proceeds to Derivative Components at their Fair Values - Promissory Note (Detail) - Promissory Note [Member] - Oceanica Resources S. de. R.L [Member]<br></strong></div></th>
<th class="th">
<div>Mar. 31, 2021 </div>
<div>USD ($)</div>
</th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ConvertibleNotesPayable', window );">Cash proceeds</a></td>
<td class="nump">$ 14,750,001<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShortTermDebtTypeAxis=omex_PromissoryNoteMember', window );">Deferred Income Call Option [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ConvertibleNotesPayable', window );">Cash proceeds</a></td>
<td class="nump">383,148<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShortTermDebtTypeAxis=omex_PromissoryNoteMember', window );">2014 Convertible Promissory Notes [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ConvertibleNotesPayable', window );">Cash proceeds</a></td>
<td class="nump">14,366,853<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShortTermDebtTypeAxis=omex_PromissoryNoteMember', window );">First Tranche [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ConvertibleNotesPayable', window );">Cash proceeds</a></td>
<td class="nump">2,000,000<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShortTermDebtTypeAxis=omex_PromissoryNoteMember', window );">First Tranche [Member] | Deferred Income Call Option [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ConvertibleNotesPayable', window );">Cash proceeds</a></td>
<td class="nump">67,241<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShortTermDebtTypeAxis=omex_PromissoryNoteMember', window );">First Tranche [Member] | 2014 Convertible Promissory Notes [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ConvertibleNotesPayable', window );">Cash proceeds</a></td>
<td class="nump">1,932,759<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShortTermDebtTypeAxis=omex_PromissoryNoteMember', window );">Second Tranche [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ConvertibleNotesPayable', window );">Cash proceeds</a></td>
<td class="nump">6,000,000<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShortTermDebtTypeAxis=omex_PromissoryNoteMember', window );">Second Tranche [Member] | Deferred Income Call Option [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ConvertibleNotesPayable', window );">Cash proceeds</a></td>
<td class="nump">173,659<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShortTermDebtTypeAxis=omex_PromissoryNoteMember', window );">Second Tranche [Member] | 2014 Convertible Promissory Notes [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ConvertibleNotesPayable', window );">Cash proceeds</a></td>
<td class="nump">5,826,341<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShortTermDebtTypeAxis=omex_PromissoryNoteMember', window );">Third Tranche [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ConvertibleNotesPayable', window );">Cash proceeds</a></td>
<td class="nump">3,000,000<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShortTermDebtTypeAxis=omex_PromissoryNoteMember', window );">Third Tranche [Member] | Deferred Income Call Option [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ConvertibleNotesPayable', window );">Cash proceeds</a></td>
<td class="nump">75,828<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShortTermDebtTypeAxis=omex_PromissoryNoteMember', window );">Third Tranche [Member] | 2014 Convertible Promissory Notes [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ConvertibleNotesPayable', window );">Cash proceeds</a></td>
<td class="nump">2,924,172<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShortTermDebtTypeAxis=omex_PromissoryNoteMember', window );">Fourth Tranche [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ConvertibleNotesPayable', window );">Cash proceeds</a></td>
<td class="nump">2,000,000<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShortTermDebtTypeAxis=omex_PromissoryNoteMember', window );">Fourth Tranche [Member] | Deferred Income Call Option [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ConvertibleNotesPayable', window );">Cash proceeds</a></td>
<td class="nump">39,911<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShortTermDebtTypeAxis=omex_PromissoryNoteMember', window );">Fourth Tranche [Member] | 2014 Convertible Promissory Notes [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ConvertibleNotesPayable', window );">Cash proceeds</a></td>
<td class="nump">1,960,089<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShortTermDebtTypeAxis=omex_PromissoryNoteMember', window );">Fifth Tranche [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ConvertibleNotesPayable', window );">Cash proceeds</a></td>
<td class="nump">17,500,001<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShortTermDebtTypeAxis=omex_PromissoryNoteMember', window );">Fifth Tranche [Member] | Deferred Income Call Option [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ConvertibleNotesPayable', window );">Cash proceeds</a></td>
<td class="nump">26,509<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShortTermDebtTypeAxis=omex_PromissoryNoteMember', window );">Fifth Tranche [Member] | 2014 Convertible Promissory Notes [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ConvertibleNotesPayable', window );">Cash proceeds</a></td>
<td class="nump">$ 1,723,492<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ConvertibleNotesPayable">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Including the current and noncurrent portions, carrying value as of the balance sheet date of a written promise to pay a note, initially due after one year or beyond the operating cycle if longer, which can be exchanged for a specified amount of one or more securities (typically common stock), at the option of the issuer or the holder.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-03(16))<br> -URI http://asc.fasb.org/extlink&amp;oid=120398452&amp;loc=d3e534808-122878<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 946<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.6-04(13))<br> -URI http://asc.fasb.org/extlink&amp;oid=120401414&amp;loc=d3e603758-122996<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(22))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(a)(16)(a))<br> -URI http://asc.fasb.org/extlink&amp;oid=120400017&amp;loc=d3e572229-122910<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ConvertibleNotesPayable</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShortTermDebtTypeAxis=omex_PromissoryNoteMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShortTermDebtTypeAxis=omex_PromissoryNoteMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=omex_OceanicaResourcesMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=omex_OceanicaResourcesMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DerivativeInstrumentRiskAxis=omex_DeferredRevenueCallOptionMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DerivativeInstrumentRiskAxis=omex_DeferredRevenueCallOptionMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongtermDebtTypeAxis=omex_TwoThousandAndFourteenConvertiblePromissoryNotesMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
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<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentAxis=omex_TrancheOneMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentAxis=omex_TrancheOneMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
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</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentAxis=omex_TrancheTwoMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentAxis=omex_TrancheTwoMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentAxis=omex_TrancheThreeMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentAxis=omex_TrancheThreeMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentAxis=omex_TrancheFourMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentAxis=omex_TrancheFourMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentAxis=omex_TrancheFiveMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentAxis=omex_TrancheFiveMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139949230491160">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Loans Payable - Note 4 - Epsilon - Additional Information (Detail)<br> $ / shares in Units, Cuota in Millions</strong></div></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1">1 Months Ended</th>
<th class="th" colspan="3">3 Months Ended</th>
<th class="th" colspan="1">12 Months Ended</th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
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<tr>
<th class="th">
<div>Mar. 30, 2021 </div>
<div>shares</div>
</th>
<th class="th">
<div>Aug. 10, 2017 </div>
<div>USD ($)</div>
</th>
<th class="th">
<div>Mar. 21, 2017 </div>
<div>USD ($) </div>
<div>shares</div>
</th>
<th class="th">
<div>Dec. 15, 2016 </div>
<div>$ / shares </div>
<div>shares</div>
</th>
<th class="th">
<div>Nov. 15, 2016 </div>
<div>$ / shares </div>
<div>shares</div>
</th>
<th class="th">
<div>Oct. 16, 2016 </div>
<div>$ / shares </div>
<div>shares</div>
</th>
<th class="th">
<div>Oct. 01, 2016 </div>
<div>USD ($) </div>
<div>d </div>
<div>$ / shares </div>
<div>shares</div>
</th>
<th class="th">
<div>Mar. 18, 2016 </div>
<div>USD ($) </div>
<div>d </div>
<div>Cuota </div>
<div>$ / shares</div>
</th>
<th class="th">
<div>Nov. 30, 2020 </div>
<div>shares</div>
</th>
<th class="th">
<div>Mar. 31, 2021 </div>
<div>USD ($) </div>
<div>d </div>
<div>Cuota </div>
<div>$ / shares </div>
<div>shares</div>
</th>
<th class="th">
<div>Mar. 31, 2020 </div>
<div>USD ($)</div>
</th>
<th class="th">
<div>Jun. 30, 2017 </div>
<div>USD ($) </div>
<div>shares</div>
</th>
<th class="th">
<div>Dec. 31, 2017 </div>
<div>USD ($)</div>
</th>
<th class="th">
<div>Dec. 31, 2020 </div>
<div>USD ($) </div>
<div>shares</div>
</th>
<th class="th">
<div>Aug. 21, 2020 </div>
<div>$ / shares </div>
<div>shares</div>
</th>
<th class="th">
<div>Sep. 30, 2019 </div>
<div>USD ($)</div>
</th>
<th class="th">
<div>Jan. 25, 2017 </div>
<div>USD ($)</div>
</th>
<th class="th">
<div>Mar. 17, 2016 </div>
<div>$ / shares</div>
</th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentFaceAmount', window );">Aggregate amount issuable</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 3,000,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentConvertibleThresholdConsecutiveTradingDays1', window );">Number of trading days | d</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">20<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights', window );">Common stock purchase warrant | shares</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1,901,989<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1', window );">Warrant right exercise price | $ / shares</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 4.75<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CommonStockSharesIssued', window );">Common stock, shares issued | shares</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">13,023,330<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">12,591,084<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentAxis=omex_EpsilonAcquisitionsLLCMember', window );">Epsilon Acquisitions, LLC [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentFaceAmount', window );">Aggregate amount issuable</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 6,000,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentConvertibleConversionPrice1', window );">Conversion price of Notes | $ / shares</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 3.52<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentIncreaseAccruedInterest', window );">Accrued interest</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 34,520<span></span>
</td>
<td class="nump">$ 24,931<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ConversionOfStockSharesIssued1', window );">Conversion of stock, shares Issued | shares</a></td>
<td class="nump">411,562<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">411,562<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_FairValueOfWarrantsIssuedInConnectionWithConvertibleDebt', window );">Aggregate fair value of warrants</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 303,712<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InducedConversionOfConvertibleDebtExpense', window );">Inducement expense</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">303,712<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ConversionOfStockAmountConverted1', window );">Conversion of stock, amount converted</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 1,448,697<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongtermDebtTypeAxis=us-gaap_NotesPayableOtherPayablesMember', window );">Notes Payable, Other Payables [Member] | Third Tranche [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentConvertibleConversionPrice1', window );">Conversion price of Notes | $ / shares</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 3.52<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ConversionOfStockSharesIssued1', window );">Conversion of stock, shares Issued | shares</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1,000,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongtermDebtTypeAxis=us-gaap_NotesPayableOtherPayablesMember', window );">Notes Payable, Other Payables [Member] | Fourth Tranche [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentConvertibleConversionPrice1', window );">Conversion price of Notes | $ / shares</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 4.19<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ConversionOfStockSharesIssued1', window );">Conversion of stock, shares Issued | shares</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1,000,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongtermDebtTypeAxis=us-gaap_NotesPayableOtherPayablesMember', window );">Notes Payable, Other Payables [Member] | Fifth Tranche [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentConvertibleConversionPrice1', window );">Conversion price of Notes | $ / shares</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 4.13<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ConversionOfStockSharesIssued1', window );">Conversion of stock, shares Issued | shares</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1,000,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongtermDebtTypeAxis=us-gaap_NotesPayableOtherPayablesMember', window );">Notes Payable, Other Payables [Member] | MINOSA [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentFaceAmount', window );">Aggregate amount issuable</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">14,750,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentSubjectiveAccelerationClause', window );">Debt Instrument, acceleration clause description</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">The indebtedness may be accelerated upon the occurrence of specified events of default including (a) OME&#8217;s failure to pay any amount payable on the date due and payable; (b) OME or we fail to perform or observe any term, covenant, or agreement in the Purchase Agreement or the related documents, subject to a five-day cure period; (c) an event of default or material breach by OME, us or any of our affiliates under any of the other loan documents shall have occurred and all grace periods, if any, applicable thereto shall have expired; (d) the Stock Purchase Agreement shall have been terminated; (e) specified dissolution, liquidation, insolvency, bankruptcy, reorganization, or similar cases or actions are commenced by or against OME or any of its subsidiaries, in specified circumstances unless dismissed or stayed within 60 days; (f) the entry of judgment or award against OME or any of its subsidiaries in excess or $100,000; and (g) a change in control (as defined in the Purchase Agreement) occurs.<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_JudgmentAmountForAccelerationOfIndebtedness', window );">Judgment amount for acceleration of indebtedness</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">100,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongtermDebtTypeAxis=us-gaap_NotesPayableOtherPayablesMember', window );">Notes Payable, Other Payables [Member] | Epsilon Acquisitions, LLC [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentFaceAmount', window );">Aggregate amount issuable</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 6,000,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 3,000,000<span></span>
</td>
<td class="nump">3,000,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 3,000,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_DebtInstrumentInstallmentAmount', window );">Installment amount of Notes</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 1,500,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentInterestRateStatedPercentage', window );">Interest rate, stated percentage</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">10.00%<span></span>
</td>
<td class="nump">10.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentCollateral', window );">Notes security description</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">we granted security interests to Epsilon in (a) the 54 million cuotas (a unit of ownership under Panamanian law) of Oceanica Resources S. de R.L. (&#8220;Oceanica&#8221;) held by our wholly owned subsidiary, Odyssey Marine Enterprises, Ltd. (&#8220;OME&#8221;), (b) all notes and other receivables from Oceanica and its subsidiary owed to the Odyssey Pledgors, and (c) all of the outstanding equity in OME.<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentConvertibleConversionPrice1', window );">Conversion price of Notes | $ / shares</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 5.00<span></span>
</td>
<td class="nump">$ 5.00<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 5.00<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_DebtInstrumentConvertibleConversionPriceUponDefault', window );">Conversion price of Notes upon default | $ / shares</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 2.50<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentMaturityDate', window );">Debt instrument maturity date</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">Mar. 18,  2017<span></span>
</td>
<td class="text">Mar. 18,  2017<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_PledgedUnitsOfOwnership', window );">Pledged units of ownership | Cuota</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">54<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">54<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentConvertibleThresholdConsecutiveTradingDays1', window );">Number of trading days | d</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">75<span></span>
</td>
<td class="nump">75<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredFinanceCostsNet', window );">Lender's out of pocket costs</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 50,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentIncreaseAccruedInterest', window );">Accrued interest</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 302,274<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ConversionOfStockSharesIssued1', window );">Conversion of stock, shares Issued | shares</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">670,455<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">670,455<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentConvertibleBeneficialConversionFeature', window );">Beneficial conversion feature recorded</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 96,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtConversionOriginalDebtAmount1', window );">Debt conversion amount</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 2,000,000<span></span>
</td>
<td class="nump">$ 2,000,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 2,000,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights', window );">Common stock purchase warrant | shares</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">120,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1', window );">Warrant right exercise price | $ / shares</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 3.52<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_WarrantExpirationDate', window );">Warrant Expiration Date</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">Oct.  01,  2021<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_ClassOfWarrantOrRightExercisePriceDescription', window );">Warrant right exercise price description</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">Warrant shall be the number determined by multiplying 120,000 by a fraction, (a) the numerator of which is the aggregate principal amount of advances that have been extended to the OME by Epsilon pursuant to the Restated Note Purchase Agreement on or after the date of the Warrant and prior to the date of such failure and (b) the denominator of which is $3.0 million<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent', window );">Equity component in loans payable</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">3,000,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 3,000,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 3,000,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentCarryingAmount', window );">Amount of loan outstanding</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 1,000,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CommonStockSharesIssued', window );">Common stock, shares issued | shares</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">56,228<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensationForfeited', window );">Shares Issued, Shares, Share-based Payment Arrangement, Forfeited | shares</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">63,772<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongtermDebtTypeAxis=us-gaap_NotesPayableOtherPayablesMember', window );">Notes Payable, Other Payables [Member] | Epsilon Acquisitions, LLC [Member] | Maximum [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentFaceAmount', window );">Aggregate amount issuable</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 6,050,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongtermDebtTypeAxis=us-gaap_NotesPayableOtherPayablesMember', window );">Notes Payable, Other Payables [Member] | Epsilon Acquisitions, LLC [Member] | Maximum [Member] | Tranche [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ConversionOfStockSharesIssued1', window );">Conversion of stock, shares Issued | shares</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1,388,769<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_ClassOfWarrantOrRightExercisePriceDescription">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Class of warrant or right, exercise price description.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_ClassOfWarrantOrRightExercisePriceDescription</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>omex_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_DebtInstrumentConvertibleConversionPriceUponDefault">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Debt instrument, convertible, conversion price upon default</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_DebtInstrumentConvertibleConversionPriceUponDefault</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>omex_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_DebtInstrumentInstallmentAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Debt instrument, installment amount.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_DebtInstrumentInstallmentAmount</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>omex_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_FairValueOfWarrantsIssuedInConnectionWithConvertibleDebt">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Fair value of warrants issued in connection with convertible debt.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_FairValueOfWarrantsIssuedInConnectionWithConvertibleDebt</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>omex_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_JudgmentAmountForAccelerationOfIndebtedness">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Judgment amount for acceleration of indebtedness.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_JudgmentAmountForAccelerationOfIndebtedness</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>omex_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_PledgedUnitsOfOwnership">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Pledged units of ownership.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_PledgedUnitsOfOwnership</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>omex_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:integerItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_WarrantExpirationDate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Warrant expiration date.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_WarrantExpirationDate</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>omex_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:dateItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Exercise price per share or per unit of warrants or rights outstanding.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=109259400&amp;loc=d3e21475-112644<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=109259400&amp;loc=d3e21475-112644<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CommonStockSharesIssued">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(29))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CommonStockSharesIssued</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ConversionOfStockAmountConverted1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The value of the stock converted in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=121583591&amp;loc=d3e4313-108586<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 50<br> -Paragraph 5<br> -URI http://asc.fasb.org/extlink&amp;oid=121583591&amp;loc=d3e4332-108586<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=121583591&amp;loc=d3e4304-108586<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ConversionOfStockAmountConverted1</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ConversionOfStockSharesIssued1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The number of new shares issued in the conversion of stock in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 50<br> -Paragraph 5<br> -URI http://asc.fasb.org/extlink&amp;oid=121583591&amp;loc=d3e4332-108586<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=121583591&amp;loc=d3e4313-108586<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=121583591&amp;loc=d3e4304-108586<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ConversionOfStockSharesIssued1</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtConversionOriginalDebtAmount1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The amount of the original debt being converted in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=121583591&amp;loc=d3e4304-108586<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 50<br> -Paragraph 5<br> -URI http://asc.fasb.org/extlink&amp;oid=121583591&amp;loc=d3e4332-108586<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtConversionOriginalDebtAmount1</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentCarryingAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 20<br> -Section 50<br> -Paragraph 4<br> -Subparagraph (b)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=120520924&amp;loc=SL6031897-161870<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(16))<br> -URI http://asc.fasb.org/extlink&amp;oid=120400017&amp;loc=d3e572229-122910<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(22))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-03(16))<br> -URI http://asc.fasb.org/extlink&amp;oid=120398452&amp;loc=d3e534808-122878<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentCarryingAmount</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentCollateral">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Discussion of whether the debt instrument is secured or unsecured, and, if secured, a description of the collateral and guarantees required or provided.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.22(a)(1))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 470<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (d)<br> -URI http://asc.fasb.org/extlink&amp;oid=75038535&amp;loc=d3e64711-112823<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentCollateral</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentConvertibleBeneficialConversionFeature">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of a favorable spread to a debt holder between the amount of debt being converted and the value of the securities received upon conversion. This is an embedded conversion feature of convertible debt issued that is in-the-money at the commitment date.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section 50<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=109259400&amp;loc=d3e21538-112644<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentConvertibleBeneficialConversionFeature</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The carrying amount of the equity component of convertible debt which may be settled in cash upon conversion.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 20<br> -Section 50<br> -Paragraph 4<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=120520924&amp;loc=SL6031897-161870<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentConvertibleConversionPrice1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The price per share of the conversion feature embedded in the debt instrument.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 20<br> -Section 50<br> -Paragraph 5<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=120520924&amp;loc=SL6031898-161870<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentConvertibleConversionPrice1</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentConvertibleThresholdConsecutiveTradingDays1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Threshold period of specified consecutive trading days within which common stock price to conversion price of convertible debt instrument must exceed threshold percentage for specified number of trading days to trigger conversion feature.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentConvertibleThresholdConsecutiveTradingDays1</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:integerItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentFaceAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Face (par) amount of debt instrument at time of issuance.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 835<br> -SubTopic 30<br> -Section 45<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=119993939&amp;loc=d3e28551-108399<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 835<br> -SubTopic 30<br> -Section 55<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=114775985&amp;loc=d3e28878-108400<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentFaceAmount</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentIncreaseAccruedInterest">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Increase for accrued, but unpaid interest on the debt instrument for the period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08.(f))<br> -URI http://asc.fasb.org/extlink&amp;oid=120395691&amp;loc=d3e23780-122690<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentIncreaseAccruedInterest</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
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<td><strong> Balance Type:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Contractual interest rate for funds borrowed, under the debt agreement.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.22(a)(1))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentInterestRateStatedPercentage</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentLineItems</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentMaturityDate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.22(a)(2))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 820<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (bbb)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=117815213&amp;loc=d3e19207-110258<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentMaturityDate</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td><strong> Data Type:</strong></td>
<td>xbrli:dateItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentSubjectiveAccelerationClause">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Description of a subjective acceleration clause that is a part of the debt instrument. A subjective acceleration clause is a provision in a debt agreement that states that the creditor may accelerate the scheduled maturities of the obligation under conditions that are not objectively determinable (for example, if the debtor fails to maintain satisfactory operations or if a material adverse change occurs).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 10<br> -Section 45<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=99376301&amp;loc=d3e1002-112600<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentSubjectiveAccelerationClause</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
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<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeferredFinanceCostsNet">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.17)<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 835<br> -SubTopic 30<br> -Section 45<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=119993939&amp;loc=d3e28555-108399<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredFinanceCostsNet</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<tr>
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<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_InducedConversionOfConvertibleDebtExpense">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Consideration given by issuer of convertible debt to provide an incentive for debt holders to convert the debt to equity securities. The expense is equal to the fair value of all securities and other consideration transferred in the transaction in excess of the fair value of securities issuable pursuant to the original conversion terms.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 20<br> -Section 40<br> -Paragraph 16<br> -URI http://asc.fasb.org/extlink&amp;oid=120517889&amp;loc=d3e6835-112609<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_InducedConversionOfConvertibleDebtExpense</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
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<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
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<tr>
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</tr>
</table></div>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensationForfeited">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Number of shares (or other type of equity) forfeited during the period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensationForfeited</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentAxis=omex_EpsilonAcquisitionsLLCMember</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LongtermDebtTypeAxis=us-gaap_NotesPayableOtherPayablesMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongtermDebtTypeAxis=us-gaap_NotesPayableOtherPayablesMember</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
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<td><strong> Name:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
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<td><strong> Name:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
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<td><strong> Name:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
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<td><strong> Name:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139949240013448">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Loans Payable - Schedule of Allocation of Cash Proceeds to Derivative Components at their Fair Values - Additional Tranches (Detail) - Promissory Note [Member] - Epsilon Acquisitions, LLC [Member]<br></strong></div></th>
<th class="th">
<div>Mar. 31, 2021 </div>
<div>USD ($)</div>
</th>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentAxis=omex_TrancheThreeMember', window );">Third Tranche [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ConvertibleNotesPayable', window );">Cash proceeds</a></td>
<td class="nump">$ 1,000,000<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentAxis=omex_TrancheThreeMember', window );">Third Tranche [Member] | Beneficial Conversion Feature ("BCF") [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ConvertibleNotesPayable', window );">Cash proceeds</a></td>
<td class="nump">18,204<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentAxis=omex_TrancheThreeMember', window );">Third Tranche [Member] | 2014 Convertible Promissory Notes [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ConvertibleNotesPayable', window );">Cash proceeds</a></td>
<td class="nump">981,796<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentAxis=omex_TrancheFourMember', window );">Fourth Tranche [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ConvertibleNotesPayable', window );">Cash proceeds</a></td>
<td class="nump">1,000,000<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentAxis=omex_TrancheFourMember', window );">Fourth Tranche [Member] | Beneficial Conversion Feature ("BCF") [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ConvertibleNotesPayable', window );">Cash proceeds</a></td>
<td class="nump">60,065<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentAxis=omex_TrancheFourMember', window );">Fourth Tranche [Member] | 2014 Convertible Promissory Notes [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ConvertibleNotesPayable', window );">Cash proceeds</a></td>
<td class="nump">939,935<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentAxis=omex_TrancheFiveMember', window );">Fifth Tranche [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ConvertibleNotesPayable', window );">Cash proceeds</a></td>
<td class="nump">1,000,000<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentAxis=omex_TrancheFiveMember', window );">Fifth Tranche [Member] | 2014 Convertible Promissory Notes [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ConvertibleNotesPayable', window );">Cash proceeds</a></td>
<td class="nump">$ 1,000,000<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ConvertibleNotesPayable">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Including the current and noncurrent portions, carrying value as of the balance sheet date of a written promise to pay a note, initially due after one year or beyond the operating cycle if longer, which can be exchanged for a specified amount of one or more securities (typically common stock), at the option of the issuer or the holder.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-03(16))<br> -URI http://asc.fasb.org/extlink&amp;oid=120398452&amp;loc=d3e534808-122878<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 946<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.6-04(13))<br> -URI http://asc.fasb.org/extlink&amp;oid=120401414&amp;loc=d3e603758-122996<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(22))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(a)(16)(a))<br> -URI http://asc.fasb.org/extlink&amp;oid=120400017&amp;loc=d3e572229-122910<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ConvertibleNotesPayable</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentAxis=omex_TrancheThreeMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentAxis=omex_TrancheThreeMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShortTermDebtTypeAxis=omex_PromissoryNoteMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShortTermDebtTypeAxis=omex_PromissoryNoteMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
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<tr>
<td><strong> Period Type:</strong></td>
<td></td>
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</table></div>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=omex_EpsilonAcquisitionsLLCMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=omex_EpsilonAcquisitionsLLCMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_FairValueByLiabilityClassAxis=omex_BeneficialConversionFeatureMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FairValueByLiabilityClassAxis=omex_BeneficialConversionFeatureMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongtermDebtTypeAxis=omex_TwoThousandAndFourteenConvertiblePromissoryNotesMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentAxis=omex_TrancheFourMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentAxis=omex_TrancheFourMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentAxis=omex_TrancheFiveMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentAxis=omex_TrancheFiveMember</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
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<tr>
<td><strong> Period Type:</strong></td>
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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139949233659592">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Loans Payable - Note 5 - SMOM - Additional Information (Detail) - USD ($)<br></strong></div></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="2">3 Months Ended</th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
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<tr>
<th class="th"><div>May 03, 2017</div></th>
<th class="th"><div>Mar. 31, 2021</div></th>
<th class="th"><div>Mar. 31, 2020</div></th>
<th class="th"><div>Jan. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
<th class="th"><div>Apr. 20, 2018</div></th>
<th class="th"><div>Mar. 31, 2018</div></th>
<th class="th"><div>Oct. 01, 2016</div></th>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentFaceAmount', window );">Aggregate amount issuable</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 3,000,000<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongtermDebtTypeAxis=omex_NoteFiveSmomMember', window );">Note 5 - SMOM [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentFaceAmount', window );">Aggregate amount issuable</a></td>
<td class="nump">$ 3,000,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 3.5<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentInterestRateStatedPercentage', window );">Interest rate, stated percentage</a></td>
<td class="nump">10.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentAnnualPrincipalPayment', window );">Annual Principal Payment</a></td>
<td class="nump">$ 500,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentCarryingAmount', window );">Loan balance</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 3,500,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentIncreaseAccruedInterest', window );">Accrued interest</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">155,343<span></span>
</td>
<td class="nump">$ 87,260<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongtermDebtTypeAxis=omex_NoteFiveSmomMember', window );">Note 5 - SMOM [Member] | Maximum [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ConvertibleDebt', window );">Convertible debt</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">2,000,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongtermDebtTypeAxis=omex_NoteFiveSmomMember', window );">Note 5 - SMOM [Member] | Neptune Minerals, Inc. [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_PercentageOfAccountsReceivablesUsedAsDebtCollateral', window );">Accounts receivable assigned for loan</a></td>
<td class="nump">50.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccountsReceivableGross', window );">Accounts receivable, gross</a></td>
<td class="nump">$ 0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongtermDebtTypeAxis=omex_NoteFiveSmomMember', window );">Note 5 - SMOM [Member] | Aldama Mining Company, S.de R.L. de C.V [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_PercentageOfEquityInterestGuaranteedSecuredDebt', window );">Percentage of equity interest</a></td>
<td class="nump">10.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_DebtInstrumentConvertibleConversionPriceValue', window );">Value of equity interest</a></td>
<td class="nump">$ 1,000,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongtermDebtTypeAxis=omex_NoteFiveSmomMember', window );">Note 5 - SMOM [Member] | Aldama Mining Company, S.de R.L. de C.V [Member] | Maximum [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_PercentageOfEquityInterestGuaranteedSecuredDebt', window );">Percentage of equity interest</a></td>
<td class="nump">50.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongtermDebtTypeAxis=omex_NoteSevenMonacoTwoThousandEighteenMember', window );">Note 7 - Monaco 2018 [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentFaceAmount', window );">Aggregate amount issuable</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 1,099,366<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 1,099,366<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentInterestRateStatedPercentage', window );">Interest rate, stated percentage</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">10.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentCarryingAmount', window );">Loan balance</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 1,000,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentIncreaseAccruedInterest', window );">Accrued interest</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 64,893<span></span>
</td>
<td class="nump">$ 32,776<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentInterestRateEffectivePercentage', window );">Interest rate, increased percentage</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">18.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_DebtInstrumentConvertibleConversionPriceValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Debt instrument convertible conversion price value.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_DebtInstrumentConvertibleConversionPriceValue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>omex_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_PercentageOfAccountsReceivablesUsedAsDebtCollateral">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Percentage of accounts receivables used as debt collateral.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_PercentageOfAccountsReceivablesUsedAsDebtCollateral</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>omex_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_PercentageOfEquityInterestGuaranteedSecuredDebt">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Percentage of equity interest guaranteed secured debt.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_PercentageOfEquityInterestGuaranteedSecuredDebt</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>omex_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AccountsReceivableGross">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, before allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 310<br> -SubTopic 10<br> -Section 45<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=121593590&amp;loc=d3e4428-111522<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccountsReceivableGross</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ConvertibleDebt">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Including the current and noncurrent portions, carrying amount of debt identified as being convertible into another form of financial instrument (typically the entity's common stock) as of the balance sheet date, which originally required full repayment more than twelve months after issuance or greater than the normal operating cycle of the company.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(a)(16))<br> -URI http://asc.fasb.org/extlink&amp;oid=120400017&amp;loc=d3e572229-122910<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(22))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-03(16))<br> -URI http://asc.fasb.org/extlink&amp;oid=120398452&amp;loc=d3e534808-122878<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ConvertibleDebt</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentAnnualPrincipalPayment">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of the total principal payments made during the annual reporting period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(22))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentAnnualPrincipalPayment</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentCarryingAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 20<br> -Section 50<br> -Paragraph 4<br> -Subparagraph (b)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=120520924&amp;loc=SL6031897-161870<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(16))<br> -URI http://asc.fasb.org/extlink&amp;oid=120400017&amp;loc=d3e572229-122910<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(22))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-03(16))<br> -URI http://asc.fasb.org/extlink&amp;oid=120398452&amp;loc=d3e534808-122878<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentCarryingAmount</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentFaceAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Face (par) amount of debt instrument at time of issuance.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 835<br> -SubTopic 30<br> -Section 45<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=119993939&amp;loc=d3e28551-108399<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 835<br> -SubTopic 30<br> -Section 55<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=114775985&amp;loc=d3e28878-108400<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentFaceAmount</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentIncreaseAccruedInterest">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Increase for accrued, but unpaid interest on the debt instrument for the period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08.(f))<br> -URI http://asc.fasb.org/extlink&amp;oid=120395691&amp;loc=d3e23780-122690<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentIncreaseAccruedInterest</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentInterestRateEffectivePercentage">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 20<br> -Section 50<br> -Paragraph 6<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=120520924&amp;loc=SL6036836-161870<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 835<br> -SubTopic 30<br> -Section 45<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=119993939&amp;loc=d3e28551-108399<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.22(a)(1))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentInterestRateEffectivePercentage</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentInterestRateStatedPercentage">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Contractual interest rate for funds borrowed, under the debt agreement.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.22(a)(1))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentInterestRateStatedPercentage</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LongtermDebtTypeAxis=omex_NoteFiveSmomMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongtermDebtTypeAxis=omex_NoteFiveSmomMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_RangeAxis=srt_MaximumMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_RangeAxis=srt_MaximumMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_LegalEntityAxis=omex_NeptuneMineralsIncorporatedMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_LegalEntityAxis=omex_NeptuneMineralsIncorporatedMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_LegalEntityAxis=omex_AldamaMiningCompanySdeRLdeCVMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_LegalEntityAxis=omex_AldamaMiningCompanySdeRLdeCVMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LongtermDebtTypeAxis=omex_NoteSevenMonacoTwoThousandEighteenMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongtermDebtTypeAxis=omex_NoteSevenMonacoTwoThousandEighteenMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>67
<FILENAME>R55.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139949232671992">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Loans Payable - Note 6 - MINOSA 2 - Additional Information (Detail)<br> $ / shares in Units, Cuota in Millions</strong></div></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="3">3 Months Ended</th>
<th class="th" colspan="1">12 Months Ended</th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
</tr>
<tr>
<th class="th">
<div>Aug. 10, 2017 </div>
<div>USD ($) </div>
<div>d </div>
<div>$ / shares</div>
</th>
<th class="th">
<div>Mar. 21, 2017 </div>
<div>USD ($)</div>
</th>
<th class="th">
<div>Oct. 01, 2016 </div>
<div>USD ($) </div>
<div>d </div>
<div>$ / shares</div>
</th>
<th class="th">
<div>Mar. 18, 2016 </div>
<div>USD ($) </div>
<div>d </div>
<div>Cuota </div>
<div>$ / shares</div>
</th>
<th class="th">
<div>Mar. 31, 2021 </div>
<div>USD ($) </div>
<div>d </div>
<div>Cuota </div>
<div>$ / shares</div>
</th>
<th class="th">
<div>Mar. 31, 2020 </div>
<div>USD ($)</div>
</th>
<th class="th">
<div>Jun. 30, 2017 </div>
<div>USD ($)</div>
</th>
<th class="th">
<div>Dec. 31, 2017 </div>
<div>USD ($)</div>
</th>
<th class="th">
<div>Dec. 31, 2020 </div>
<div>USD ($)</div>
</th>
<th class="th">
<div>Jan. 25, 2017 </div>
<div>USD ($)</div>
</th>
<th class="th">
<div>Mar. 17, 2016 </div>
<div>$ / shares</div>
</th>
<th class="th">
<div>Mar. 11, 2015 </div>
<div>USD ($)</div>
</th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentConvertibleThresholdConsecutiveTradingDays1', window );">Number of trading days | d</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">20<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentFaceAmount', window );">Aggregate amount issuable</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 3,000,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentAxis=omex_NoteSixMinosaTwoMember', window );">Note 6 - MINOSA 2 [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_DebtInstrumentThresholdPaymentTerm', window );">Debt instrument, threshold payment term</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">60 days<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">60 days<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentConvertibleBeneficialConversionFeature', window );">BCF amount recorded</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 62,925<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentIncreaseAccruedInterest', window );">Accrued interest</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 124,520<span></span>
</td>
<td class="nump">$ 125,903<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentSubjectiveAccelerationClause', window );">Debt Instrument, acceleration clause description</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">The obligations under the Minosa Note may be accelerated upon the occurrence of specified events of default including (a) our failure to pay any amount payable under the Minosa Note on the date due and payable; (b) our failure to perform or observe any term, covenant, or agreement in the Minosa Note or the related documents, subject to a five-day cure period; (c) the occurrence and expiration of all applicable grace periods, if any, of an event of default or material breach by us under any of the other loan documents; (d) the termination of the SPA; (e) commencement of certain specified dissolution, liquidation, insolvency, bankruptcy, reorganization, or similar cases or actions by or against us, in specified circumstances unless dismissed or stayed within 60 days; (f) the entry of a judgment or award against us in excess of $100,000; and (g) the occurrence of a change in control (as defined in the Minosa Note).<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_JudgmentAmountForAccelerationOfIndebtedness', window );">Judgment amount for acceleration of indebtedness</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 100,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_AggregateOfferingPriceMinimum', window );">Minimum aggregate offering price</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">3,000,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentAxis=omex_NoteSixMinosaTwoMember', window );">Note 6 - MINOSA 2 [Member] | Stock Purchase Agreement [Member] | Promissory Note [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentFaceAmount', window );">Aggregate amount issuable</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">14,750,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 14,750,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 14,750,000<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentAxis=omex_NoteSixMinosaTwoMember', window );">Note 6 - MINOSA 2 [Member] | Loans Payable [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentCarryingAmount', window );">Amount of loan outstanding</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 5,050,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">5,050,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentInterestRateStatedPercentage', window );">Interest rate, stated percentage</a></td>
<td class="nump">10.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_DebtInstrumentThresholdPaymentTerm', window );">Debt instrument, threshold payment term</a></td>
<td class="text">60 days<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentConvertibleThresholdConsecutiveTradingDays1', window );">Number of trading days | d</a></td>
<td class="nump">75<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentConvertibleConversionPrice1', window );">Conversion price of Notes | $ / shares</a></td>
<td class="nump">$ 4.41<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentAxis=omex_NoteSixMinosaTwoMember', window );">Note 6 - MINOSA 2 [Member] | Notes Payable, Other Payables [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentCarryingAmount', window );">Amount of loan outstanding</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 2,000,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentAxis=omex_DebtInstrumentNotePurchaseAgreementOneMember', window );">Minosa Purchase Agreement [Member] | Loans Payable [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_DebtInstrumentMaximumBorrowingCapacity', window );">Debt , maximum borrowing capacity</a></td>
<td class="nump">$ 3,000,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentCarryingAmount', window );">Amount of loan outstanding</a></td>
<td class="nump">2,700,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentAxis=omex_EpsilonAcquisitionsLLCMember', window );">Epsilon Acquisitions, LLC [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentConvertibleConversionPrice1', window );">Conversion price of Notes | $ / shares</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 3.52<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentIncreaseAccruedInterest', window );">Accrued interest</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 34,520<span></span>
</td>
<td class="nump">$ 24,931<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentFaceAmount', window );">Aggregate amount issuable</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 6,000,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentAxis=omex_EpsilonAcquisitionsLLCMember', window );">Epsilon Acquisitions, LLC [Member] | Notes Payable, Other Payables [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentCarryingAmount', window );">Amount of loan outstanding</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 1,000,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtConversionOriginalDebtAmount1', window );">Debt conversion amount</a></td>
<td class="nump">$ 2,000,000<span></span>
</td>
<td class="nump">$ 2,000,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 2,000,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentInterestRateStatedPercentage', window );">Interest rate, stated percentage</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">10.00%<span></span>
</td>
<td class="nump">10.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentConvertibleThresholdConsecutiveTradingDays1', window );">Number of trading days | d</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">75<span></span>
</td>
<td class="nump">75<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentConvertibleConversionPrice1', window );">Conversion price of Notes | $ / shares</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 5.00<span></span>
</td>
<td class="nump">$ 5.00<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 5.00<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentConvertibleBeneficialConversionFeature', window );">BCF amount recorded</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 96,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentIncreaseAccruedInterest', window );">Accrued interest</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 302,274<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentFaceAmount', window );">Aggregate amount issuable</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 6,000,000<span></span>
</td>
<td class="nump">$ 3,000,000<span></span>
</td>
<td class="nump">$ 3,000,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 3,000,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_PledgedUnitsOfOwnership', window );">Pledged units of ownership | Cuota</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">54<span></span>
</td>
<td class="nump">54<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentAxis=omex_EpsilonAcquisitionsLLCMember', window );">Epsilon Acquisitions, LLC [Member] | Second AR Epsilon Note [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentCarryingAmount', window );">Amount of loan outstanding</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 1,000,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_AggregateOfferingPriceMinimum">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Aggregate offering price minimum.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_AggregateOfferingPriceMinimum</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>omex_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_DebtInstrumentMaximumBorrowingCapacity">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Debt instrument maximum borrowing capacity.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_DebtInstrumentMaximumBorrowingCapacity</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>omex_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_DebtInstrumentThresholdPaymentTerm">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Debt instrument threshold payment term.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_DebtInstrumentThresholdPaymentTerm</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>omex_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:durationItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_JudgmentAmountForAccelerationOfIndebtedness">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Judgment amount for acceleration of indebtedness.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_JudgmentAmountForAccelerationOfIndebtedness</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>omex_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_PledgedUnitsOfOwnership">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Pledged units of ownership.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_PledgedUnitsOfOwnership</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>omex_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:integerItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtConversionOriginalDebtAmount1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The amount of the original debt being converted in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=121583591&amp;loc=d3e4304-108586<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 50<br> -Paragraph 5<br> -URI http://asc.fasb.org/extlink&amp;oid=121583591&amp;loc=d3e4332-108586<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtConversionOriginalDebtAmount1</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentCarryingAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 20<br> -Section 50<br> -Paragraph 4<br> -Subparagraph (b)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=120520924&amp;loc=SL6031897-161870<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(16))<br> -URI http://asc.fasb.org/extlink&amp;oid=120400017&amp;loc=d3e572229-122910<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(22))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-03(16))<br> -URI http://asc.fasb.org/extlink&amp;oid=120398452&amp;loc=d3e534808-122878<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentCarryingAmount</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentConvertibleBeneficialConversionFeature">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of a favorable spread to a debt holder between the amount of debt being converted and the value of the securities received upon conversion. This is an embedded conversion feature of convertible debt issued that is in-the-money at the commitment date.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section 50<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=109259400&amp;loc=d3e21538-112644<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentConvertibleBeneficialConversionFeature</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentConvertibleConversionPrice1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The price per share of the conversion feature embedded in the debt instrument.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 20<br> -Section 50<br> -Paragraph 5<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=120520924&amp;loc=SL6031898-161870<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentConvertibleConversionPrice1</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentConvertibleThresholdConsecutiveTradingDays1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Threshold period of specified consecutive trading days within which common stock price to conversion price of convertible debt instrument must exceed threshold percentage for specified number of trading days to trigger conversion feature.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentConvertibleThresholdConsecutiveTradingDays1</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:integerItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentFaceAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Face (par) amount of debt instrument at time of issuance.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 835<br> -SubTopic 30<br> -Section 45<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=119993939&amp;loc=d3e28551-108399<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 835<br> -SubTopic 30<br> -Section 55<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=114775985&amp;loc=d3e28878-108400<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentFaceAmount</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td>credit</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
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</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentIncreaseAccruedInterest">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Increase for accrued, but unpaid interest on the debt instrument for the period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08.(f))<br> -URI http://asc.fasb.org/extlink&amp;oid=120395691&amp;loc=d3e23780-122690<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentIncreaseAccruedInterest</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td>xbrli:monetaryItemType</td>
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<td><strong> Balance Type:</strong></td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
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</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentInterestRateStatedPercentage">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Contractual interest rate for funds borrowed, under the debt agreement.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.22(a)(1))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentInterestRateStatedPercentage</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentLineItems</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td>xbrli:stringItemType</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentSubjectiveAccelerationClause">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Description of a subjective acceleration clause that is a part of the debt instrument. A subjective acceleration clause is a provision in a debt agreement that states that the creditor may accelerate the scheduled maturities of the obligation under conditions that are not objectively determinable (for example, if the debtor fails to maintain satisfactory operations or if a material adverse change occurs).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 10<br> -Section 45<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=99376301&amp;loc=d3e1002-112600<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentSubjectiveAccelerationClause</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentAxis=omex_NoteSixMinosaTwoMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentAxis=omex_NoteSixMinosaTwoMember</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_InvestmentTypeAxis=omex_SharePurchaseAgreementMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongtermDebtTypeAxis=us-gaap_LoansPayableMember</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
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<td><strong> Balance Type:</strong></td>
<td></td>
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<td><strong> Period Type:</strong></td>
<td></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LongtermDebtTypeAxis=us-gaap_NotesPayableOtherPayablesMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongtermDebtTypeAxis=us-gaap_NotesPayableOtherPayablesMember</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentAxis=omex_DebtInstrumentNotePurchaseAgreementOneMember</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentAxis=omex_EpsilonAcquisitionsLLCMember</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
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<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongtermDebtTypeAxis=omex_SecondAREpsilonNoteMember</td>
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<td></td>
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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139949232222184">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Loans Payable - Note 7 - Monaco 2018 - Additional Information (Detail) - USD ($)<br></strong></div></th>
<th class="th" colspan="2">3 Months Ended</th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
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<tr>
<th class="th"><div>Mar. 31, 2021</div></th>
<th class="th"><div>Mar. 31, 2020</div></th>
<th class="th"><div>Jan. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
<th class="th"><div>Mar. 31, 2018</div></th>
<th class="th"><div>Oct. 01, 2016</div></th>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="nump">$ 3,000,000<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongtermDebtTypeAxis=omex_NoteSevenMonacoTwoThousandEighteenMember', window );">Note 7 - Monaco 2018 [Member]</a></td>
<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
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<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 1,000,000<span></span>
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<td class="text">&#160;<span></span>
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<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentInterestRateStatedPercentage', window );">Interest rate, stated percentage</a></td>
<td class="nump">10.00%<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentDescription', window );">Agreement description</a></td>
<td class="text">During the period ended March 31, 2018, Monaco advanced us $1.0 million that was included in a loan agreement that was executed on April 20, 2018. Monaco also agreed to treat $99,366 of back rent owed by us to Monaco as part of this loan resulting in an aggregate principal amount of $1,099,366 at March 31, 2021 and December 31, 2020. The indebtedness bears interest at 10.0% percent per year. During January 2021, this loan agreement was amended by increasing the interest rate to 18%, effective January 1, 2021. All principal and any unpaid interest are payable on the first anniversary of this agreement, April 20, 2019. This debt is secured by cash proceeds, if any, from our future shipwreck projects we have contracted with Magellan. As additional consideration, their share purchase option expiration date, as discussed in Note 1 &#8211; Monaco 2014 and Note 2 &#8211; Monaco 2016 above, has been extended from 30 days to seven months after the note becomes paid in full. For the three months ended March 31, 2021 and 2020, interest expense in the amount of $64,893 and $32,776, respectively, was recorded.	<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccruedRentCurrentAndNoncurrent', window );">Back rent considered as part of loan</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 99,366,000,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentFaceAmount', window );">Aggregate amount issuable</a></td>
<td class="nump">$ 1,099,366<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 1,099,366<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentIncreaseAccruedInterest', window );">Accrued interest</a></td>
<td class="nump">$ 64,893<span></span>
</td>
<td class="nump">$ 32,776<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentInterestRateEffectivePercentage', window );">Interest rate, increased percentage</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">18.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Carrying value as of the balance sheet date of obligations incurred through that date and payable for contractual rent under lease arrangements.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(20))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(24))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-03(15)(5))<br> -URI http://asc.fasb.org/extlink&amp;oid=120398452&amp;loc=d3e534808-122878<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(a)(15)(a))<br> -URI http://asc.fasb.org/extlink&amp;oid=120400017&amp;loc=d3e572229-122910<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 20<br> -Section 50<br> -Paragraph 4<br> -Subparagraph (b)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=120520924&amp;loc=SL6031897-161870<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(16))<br> -URI http://asc.fasb.org/extlink&amp;oid=120400017&amp;loc=d3e572229-122910<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(22))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-03(16))<br> -URI http://asc.fasb.org/extlink&amp;oid=120398452&amp;loc=d3e534808-122878<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentCarryingAmount</td>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Identification of the lender and information about a contractual promise to repay a short-term or long-term obligation, which includes borrowings under lines of credit, notes payable, commercial paper, bonds payable, debentures, and other contractual obligations for payment. This may include rationale for entering into the arrangement, significant terms of the arrangement, which may include amount, repayment terms, priority, collateral required, debt covenants, borrowing capacity, call features, participation rights, conversion provisions, sinking-fund requirements, voting rights, basis for conversion if convertible and remarketing provisions. The description may be provided for individual debt instruments, rational groupings of debt instruments, or by debt in total.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(16))<br> -URI http://asc.fasb.org/extlink&amp;oid=120400017&amp;loc=d3e572229-122910<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=109259400&amp;loc=d3e21475-112644<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-03(16))<br> -URI http://asc.fasb.org/extlink&amp;oid=120398452&amp;loc=d3e534808-122878<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(22))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-03(13))<br> -URI http://asc.fasb.org/extlink&amp;oid=120398452&amp;loc=d3e534808-122878<br><br>Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(19))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 7: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 470<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=75038535&amp;loc=d3e64711-112823<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentDescription</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Face (par) amount of debt instrument at time of issuance.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 835<br> -SubTopic 30<br> -Section 45<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=119993939&amp;loc=d3e28551-108399<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 835<br> -SubTopic 30<br> -Section 55<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=114775985&amp;loc=d3e28878-108400<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentFaceAmount</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Increase for accrued, but unpaid interest on the debt instrument for the period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08.(f))<br> -URI http://asc.fasb.org/extlink&amp;oid=120395691&amp;loc=d3e23780-122690<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 20<br> -Section 50<br> -Paragraph 6<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=120520924&amp;loc=SL6036836-161870<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 835<br> -SubTopic 30<br> -Section 45<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=119993939&amp;loc=d3e28551-108399<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.22(a)(1))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentInterestRateEffectivePercentage</td>
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<td><strong> Balance Type:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Contractual interest rate for funds borrowed, under the debt agreement.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.22(a)(1))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentInterestRateStatedPercentage</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LongtermDebtTypeAxis=omex_NoteSevenMonacoTwoThousandEighteenMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongtermDebtTypeAxis=omex_NoteSevenMonacoTwoThousandEighteenMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>69
<FILENAME>R57.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139949234444776">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Loans Payable - Note 8 - Promissory Note - Additional Information (Detail)<br></strong></div></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="2">3 Months Ended</th>
<th class="th" colspan="2">12 Months Ended</th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
</tr>
<tr>
<th class="th">
<div>Aug. 14, 2020 </div>
<div>USD ($) </div>
<div>Cuota </div>
<div>$ / shares </div>
<div>shares</div>
</th>
<th class="th">
<div>Jul. 12, 2018 </div>
<div>USD ($) </div>
<div>Parties</div>
</th>
<th class="th">
<div>Mar. 31, 2021 </div>
<div>USD ($) </div>
<div>$ / shares </div>
<div>shares</div>
</th>
<th class="th">
<div>Mar. 31, 2020 </div>
<div>USD ($)</div>
</th>
<th class="th">
<div>Dec. 31, 2019 </div>
<div>USD ($)</div>
</th>
<th class="th">
<div>Dec. 31, 2018 </div>
<div>USD ($)</div>
</th>
<th class="th">
<div>Dec. 31, 2020 </div>
<div>USD ($)</div>
</th>
<th class="th">
<div>Aug. 21, 2020 </div>
<div>$ / shares </div>
<div>shares</div>
</th>
<th class="th">
<div>Jul. 08, 2019 </div>
<div>$ / shares </div>
<div>shares</div>
</th>
<th class="th">
<div>Oct. 04, 2018 </div>
<div>USD ($)</div>
</th>
<th class="th">
<div>Aug. 17, 2018 </div>
<div>USD ($)</div>
</th>
<th class="th">
<div>Oct. 01, 2016 </div>
<div>USD ($)</div>
</th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentFaceAmount', window );">Debt instrument face amount</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 3,000,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1', window );">Warrants exercise price | $ / shares</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 4.75<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_GainsLossesOnExtinguishmentOfDebt', window );">Gain (loss) on debt extinguishment</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 290,024<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_FairValueReacquisitionPrice', window );">Fair value reacquisition price&#160;</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 1,340,024<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentUnamortizedPremium', window );">Debt instrument unamortized premium</a></td>
<td class="nump">$ 358,497<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">290,024<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 195,862<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_DebtModificationInducement', window );">Debt modification inducement</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">868,878<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1', window );">Warrants exercise price | $ \ share | $ / shares</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 4.75<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights', window );">Class of Warrant or Right, Number of Securities Called by Warrants or Rights | shares</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1,901,989<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentUnamortizedPremium', window );">Debt Instrument, Unamortized Premium</a></td>
<td class="nump">$ 358,497<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">290,024<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">195,862<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AmortizationOfDebtDiscountPremium', window );">Amortization of debt discount premium</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 95,683<span></span>
</td>
<td class="nump">$ 71,606<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InvestmentTypeAxis=omex_NoteAndWarrantPurchaseAgreementMember', window );">Note And Warrant Purchase Agreement [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentFaceAmount', window );">Debt instrument face amount</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 1,050,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_NumberOfLenders', window );">Number of individuals purchase agreement entered into | Parties</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">2<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentInterestRateStatedPercentage', window );">Debt instrument interest rate</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">8.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentConvertibleConversionRatio1', window );">Debt instrument conversion rate after sale of additional notes or date of closing</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">8.00<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_DischargeOfIndebtedness', window );">Transfer of indebtedness after sale of additional notes or date of closing</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 500,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_WarrantsExercisedToPurchaseCommonStockShares', window );">Warrants exercised to purchase common shares | shares</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">65,625<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1', window );">Warrants exercise price | $ / shares</a></td>
<td class="nump">$ 4.67<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 12.00<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 5.756<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentIncreaseAccruedInterest', window );">Accrued interest</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 25,234<span></span>
</td>
<td class="nump">$ 23,555<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_GainsLossesOnExtinguishmentOfDebt', window );">Gain (loss) on debt extinguishment</a></td>
<td class="nump">$ 777,500<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1', window );">Warrants exercise price | $ \ share | $ / shares</a></td>
<td class="nump">$ 4.67<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 12.00<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 5.756<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_WarrantExpireDate', window );">Warrant expire date</a></td>
<td class="text">Aug. 14,  2023<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentMaturityDate', window );">Debt Instrument, Maturity Date</a></td>
<td class="text">Jul. 12,  2021<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentConvertibleConversionPrice1', window );">Debt Instrument, Convertible, Conversion Price | $ / shares</a></td>
<td class="nump">$ 4.67<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ConvertibleDebt', window );">Aggregate amount of indebtedness outstanding</a></td>
<td class="nump">$ 1,232,846<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentConvertibleNumberOfEquityInstruments', window );">Debt Instrument, Convertible, Number of Equity Instruments | Cuota</a></td>
<td class="nump">263,993<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights', window );">Class of Warrant or Right, Number of Securities Called by Warrants or Rights | shares</a></td>
<td class="nump">131,996<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">196,135<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentAxis=omex_BeneficialConversionFeatureMember', window );">Beneficial Conversion Feature ("BCF") [Member] | Note And Warrant Purchase Agreement [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentFaceAmount', window );">Debt instrument face amount</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 1,050,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 1,050,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_RangeAxis=srt_MinimumMember', window );">Minimum [Member] | Note And Warrant Purchase Agreement [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_PercentageOfChangeInTheFairValueOfTheEmbeddedConversionOption', window );">Change in the fair value of the embedded conversion option</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">10.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_RangeAxis=srt_MaximumMember', window );">Maximum [Member] | Note And Warrant Purchase Agreement [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_PercentageOfImpactOfNewAccountingPronouncementsAndCashFlowEffects', window );">Effects Of Modification On Cash Flow On Present Value Basis</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">10.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_RangeAxis=srt_MaximumMember', window );">Maximum [Member] | Beneficial Conversion Feature ("BCF") [Member] | Note And Warrant Purchase Agreement [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProceedsFromIssuanceOfDebt', window );">Derivative asset</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 1,050,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_OwnershipAxis=omex_AldamaMiningCompanySdeRLdeCVMember', window );">Aldama Mining Company, S.de R.L. de C.V [Member] | Note And Warrant Purchase Agreement [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners', window );">Ownership interest in subsidiaries the note to be converted after sale of additional notes or date of closing</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">7.50%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentRedemptionPeriodAxis=us-gaap_DebtInstrumentRedemptionPeriodOneMember', window );">Debt Instrument, Redemption, Period One [Member] | Note And Warrant Purchase Agreement [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentFaceAmount', window );">Debt instrument face amount</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 500,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentRedemptionPeriodAxis=us-gaap_DebtInstrumentRedemptionPeriodTwoMember', window );">Debt Instrument, Redemption, Period Two [Member] | Note And Warrant Purchase Agreement [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentFaceAmount', window );">Debt instrument face amount</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 300,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentRedemptionPeriodAxis=us-gaap_DebtInstrumentRedemptionPeriodThreeMember', window );">Debt Instrument, Redemption, Period Three [Member] | Note And Warrant Purchase Agreement [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentFaceAmount', window );">Debt instrument face amount</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 250,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=omex_IndividualOneMember', window );">Individual One [Member] | Minimum [Member] | Note And Warrant Purchase Agreement [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_OutstandingCommonStockOwnershipPercentage', window );">Ownership percentage in company's common stock</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">5.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_DebtModificationInducement">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Debt Modification Inducement.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_DebtModificationInducement</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>omex_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_DischargeOfIndebtedness">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Discharge of indebtedness.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_DischargeOfIndebtedness</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>omex_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_FairValueReacquisitionPrice">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Fair value reacquisition price.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_FairValueReacquisitionPrice</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>omex_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_NumberOfLenders">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Number Of Lenders</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_NumberOfLenders</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>omex_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:integerItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_OutstandingCommonStockOwnershipPercentage">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Outstanding common stockOwnership Percentage.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_OutstandingCommonStockOwnershipPercentage</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>omex_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_PercentageOfChangeInTheFairValueOfTheEmbeddedConversionOption">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Percentage Of Change In The Fair Value Of The Embedded Conversion Option</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_PercentageOfChangeInTheFairValueOfTheEmbeddedConversionOption</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>omex_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_PercentageOfImpactOfNewAccountingPronouncementsAndCashFlowEffects">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Percentage Of Impact Of New Accounting Pronouncements And Cash Flow Effects</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_PercentageOfImpactOfNewAccountingPronouncementsAndCashFlowEffects</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>omex_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_WarrantExpireDate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Warrant expire date.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_WarrantExpireDate</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>omex_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:dateItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_WarrantsExercisedToPurchaseCommonStockShares">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Warrants Exercised To Purchase Common Stock Shares</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_WarrantsExercisedToPurchaseCommonStockShares</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>omex_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AmortizationOfDebtDiscountPremium">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of noncash expense included in interest expense to amortize debt discount and premium associated with the related debt instruments. Excludes amortization of financing costs. Alternate captions include noncash interest expense.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 835<br> -SubTopic 30<br> -Section 45<br> -Paragraph 1A<br> -URI http://asc.fasb.org/extlink&amp;oid=119993939&amp;loc=d3e28541-108399<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=121586364&amp;loc=d3e3602-108585<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03.8)<br> -URI http://asc.fasb.org/extlink&amp;oid=120395209&amp;loc=SL114868664-224227<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AmortizationOfDebtDiscountPremium</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Exercise price per share or per unit of warrants or rights outstanding.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=109259400&amp;loc=d3e21475-112644<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=109259400&amp;loc=d3e21475-112644<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ConvertibleDebt">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Including the current and noncurrent portions, carrying amount of debt identified as being convertible into another form of financial instrument (typically the entity's common stock) as of the balance sheet date, which originally required full repayment more than twelve months after issuance or greater than the normal operating cycle of the company.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(a)(16))<br> -URI http://asc.fasb.org/extlink&amp;oid=120400017&amp;loc=d3e572229-122910<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(22))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-03(16))<br> -URI http://asc.fasb.org/extlink&amp;oid=120398452&amp;loc=d3e534808-122878<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ConvertibleDebt</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentConvertibleConversionPrice1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The price per share of the conversion feature embedded in the debt instrument.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 20<br> -Section 50<br> -Paragraph 5<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=120520924&amp;loc=SL6031898-161870<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentConvertibleConversionPrice1</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentConvertibleConversionRatio1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Ratio applied to the conversion of debt instrument into equity with equity shares divided by debt principal amount.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section 50<br> -Paragraph 7<br> -URI http://asc.fasb.org/extlink&amp;oid=109259400&amp;loc=d3e21521-112644<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section 50<br> -Paragraph 6<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=109259400&amp;loc=d3e21506-112644<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.22(a)(5))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=109259400&amp;loc=d3e21475-112644<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentConvertibleConversionRatio1</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:pureItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentConvertibleNumberOfEquityInstruments">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The number of equity instruments that the holder of the debt instrument would receive if the debt was converted to equity.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=109259400&amp;loc=d3e21475-112644<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section 50<br> -Paragraph 7<br> -URI http://asc.fasb.org/extlink&amp;oid=109259400&amp;loc=d3e21521-112644<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section 50<br> -Paragraph 6<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=109259400&amp;loc=d3e21506-112644<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.22(a)(5))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentConvertibleNumberOfEquityInstruments</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:integerItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentFaceAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Face (par) amount of debt instrument at time of issuance.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 835<br> -SubTopic 30<br> -Section 45<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=119993939&amp;loc=d3e28551-108399<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 835<br> -SubTopic 30<br> -Section 55<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=114775985&amp;loc=d3e28878-108400<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentFaceAmount</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentIncreaseAccruedInterest">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Increase for accrued, but unpaid interest on the debt instrument for the period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08.(f))<br> -URI http://asc.fasb.org/extlink&amp;oid=120395691&amp;loc=d3e23780-122690<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentIncreaseAccruedInterest</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentInterestRateStatedPercentage">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Contractual interest rate for funds borrowed, under the debt agreement.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.22(a)(1))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentInterestRateStatedPercentage</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentLineItems">
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.22(a)(2))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 820<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (bbb)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=117815213&amp;loc=d3e19207-110258<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, after accumulated amortization, of debt premium.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 835<br> -SubTopic 30<br> -Section 55<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=114775985&amp;loc=d3e28878-108400<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 835<br> -SubTopic 30<br> -Section 45<br> -Paragraph 1A<br> -URI http://asc.fasb.org/extlink&amp;oid=119993939&amp;loc=d3e28541-108399<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 50<br> -Section 40<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=117329964&amp;loc=d3e12355-112629<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 50<br> -Section 40<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=117329964&amp;loc=d3e12317-112629<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=121586364&amp;loc=d3e3602-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_GainsLossesOnExtinguishmentOfDebt</td>
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<td>us-gaap_</td>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ProceedsFromIssuanceOfDebt">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 14<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=121586364&amp;loc=d3e3255-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ProceedsFromIssuanceOfDebt</td>
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<td>us-gaap_</td>
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<td>xbrli:monetaryItemType</td>
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<td><strong> Balance Type:</strong></td>
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<td>duration</td>
</tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_InvestmentTypeAxis=omex_NoteAndWarrantPurchaseAgreementMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
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<td><strong> Name:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
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<tr>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
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<th class="th" colspan="1">1 Months Ended</th>
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<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 2,380,476<span></span>
</td>
<td class="nump">$ 1,335,618<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CommonStockParOrStatedValuePerShare', window );">Warrants exercise price</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 0.0001<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 0.0001<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentUnamortizedDiscount', window );">Debt discount amount</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">796,812<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AmortizationOfDebtDiscountPremium', window );">Amortization of Debt Discount</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 95,683<span></span>
</td>
<td class="nump">71,606<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LoansPayable', window );">Loans payable</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">42,154,585<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 42,593,268<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermLoansPayable', window );">Amount receivable related to a loss contingency</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">12,146,029<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">11,489,029<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentAxis=omex_LitigationFinancingMember', window );">Litigation Financing [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentUnamortizedDiscount', window );">Debt discount amount</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">840,484<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">890,962<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentAxis=omex_LitigationFinancingMember', window );">Litigation Financing [Member] | Loans Payable [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentUnamortizedDiscount', window );">Debt discount amount</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">318,804<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">347,786<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LoansPayable', window );">Loans payable</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">11,625,729<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">10,968,729<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermLoansPayable', window );">Amount receivable related to a loss contingency</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">12,785,016<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">12,207,477<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_TypeOfArrangementAxis=omex_AmendedAndRestatedInternationalClaimsEnforcementAgreementMember', window );">Amended and Restated International Claims Enforcement Agreement [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ExtinguishmentOfDebtAmount', window );">Litigation Settlement Loans Payable</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 2,200,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_AmountRetainedByTheLenderInConnectionWithDueDiligence', window );">Litigation Settlement Loans Payable Transaction Costs</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 200,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CommonStockParOrStatedValuePerShare', window );">Warrants exercise price</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 3.99<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_TypeOfArrangementAxis=omex_SecondAmendedAndRestatedInternationalClaimsEnforcementAgreementMember', window );">Second Amended and Restated International Claims Enforcement Agreement [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_ClaimsAmountAgreedToBeFinancedInConnectionWithLitigationToBeSettled', window );">Claims Payment Maximum Amount</a></td>
<td class="nump">$ 20,000,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_AmountRetainedByTheLenderInConnectionWithDueDiligence', window );">Litigation Settlement Loans Payable Transaction Costs</a></td>
<td class="nump">200,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_PhasesAxis=omex_PhaseThreeMember', window );">Phase Three [Member] | Second Amended and Restated International Claims Enforcement Agreement [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_ClaimsAmountAgreedToBeFinancedInConnectionWithLitigationToBeSettled', window );">Claims Payment Maximum Amount</a></td>
<td class="nump">$ 10,000,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LitigationStatusAxis=us-gaap_PendingLitigationMember', window );">Pending Litigation [Member] | Phase One [Member] | Proceeds One [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_DiscriptionOfConditionsForDistributionOfProceedsToTheClaimholderAndFunder', window );">Description of conditions for distribution of proceeds to the claimholder and funder</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">first, 100.0% to the Funder, until the cumulative amount distributed to the Funder equals the total Claims Payments paid by the Funder under Phase I;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LitigationStatusAxis=us-gaap_PendingLitigationMember', window );">Pending Litigation [Member] | Phase One [Member] | Proceeds Two [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_DiscriptionOfConditionsForDistributionOfProceedsToTheClaimholderAndFunder', window );">Description of conditions for distribution of proceeds to the claimholder and funder</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">second, 100.0% to the Funder until the cumulative amount distributed to the Funder equals an IRR of 20% of Claims Payments paid by the Funder under Phase I (&#8220;Phase I Compensation&#8221;), per annum; and<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LitigationStatusAxis=us-gaap_PendingLitigationMember', window );">Pending Litigation [Member] | Phase One [Member] | Proceeds Three [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_DiscriptionOfConditionsForDistributionOfProceedsToTheClaimholderAndFunder', window );">Description of conditions for distribution of proceeds to the claimholder and funder</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">thereafter, 100.0% to the Claimholder.<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LitigationStatusAxis=us-gaap_PendingLitigationMember', window );">Pending Litigation [Member] | Phase Two [Member] | Proceeds One [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_DiscriptionOfConditionsForDistributionOfProceedsToTheClaimholderAndFunder', window );">Description of conditions for distribution of proceeds to the claimholder and funder</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">first, 100.0% to the Funder until the cumulative amount distributed to the Funder equals the total Claims Payments paid by the Funder under Phases I and II;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LitigationStatusAxis=us-gaap_PendingLitigationMember', window );">Pending Litigation [Member] | Phase Two [Member] | Proceeds Two [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_DiscriptionOfConditionsForDistributionOfProceedsToTheClaimholderAndFunder', window );">Description of conditions for distribution of proceeds to the claimholder and funder</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">second, 100.0% to the Funder until the cumulative amount distributed to the Funder equals an additional 300.0% of Phase I Investment Amount; plus an additional 300% of the Tranche A Committed Amount (i.e. 300.0% of $3.5 million), less any amounts remaining of the Tranche A Committed Amount that the Funder did not pay as Claims Payments; plus an additional 300.0% of the Tranche B Committed Amount (i.e. 300.0% of $1.5 million), if the Claimholder exercises the Tranche B funding option, less any amounts remaining of the Tranche B Committed Amount that the Funder did not pay as Claims Payments;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LitigationStatusAxis=us-gaap_PendingLitigationMember', window );">Pending Litigation [Member] | Phase Two [Member] | Proceeds Three [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_DiscriptionOfConditionsForDistributionOfProceedsToTheClaimholderAndFunder', window );">Description of conditions for distribution of proceeds to the claimholder and funder</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">third, for each $10,000 in specified fees and expenses paid by the Funder under Phase I and Phase II and any amounts over each $10,000 of the Tranche A Committed Amount and the Tranche B Committed Amount (if the Claimholder exercises the Tranche B funding option), 0.01% of the total Proceeds from any recoveries after repayment of (i) and (ii) above, to the Funder; and<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LitigationStatusAxis=us-gaap_PendingLitigationMember', window );">Pending Litigation [Member] | Phase Two [Member] | Proceeds Four [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_DiscriptionOfConditionsForDistributionOfProceedsToTheClaimholderAndFunder', window );">Description of conditions for distribution of proceeds to the claimholder and funder</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">thereafter, 100% to the Claimholder.<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_FunderAxis=omex_PoplarFallsLlcMember', window );">Poplar Falls LLC [Member] | Pending Litigation [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_ClaimsAmountAgreedToBeFinancedInConnectionWithLitigationToBeSettled', window );">Claims Payment Maximum Amount</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 6,500,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InterestExpense', window );">Interest Expense</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1,505,032<span></span>
</td>
<td class="nump">591,871<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProceedsFromLinesOfCredit', window );">Proceeds from advance</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">2,000,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PaymentsOfFinancingCosts', window );">Payments of Financing Costs</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">200,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentUnamortizedDiscount', window );">Debt discount amount</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 1,063,811<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AmortizationOfDebtDiscountPremium', window );">Amortization of Debt Discount</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">50,479<span></span>
</td>
<td class="nump">16,716<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_InterestFromFeeAmortization', window );">Interest from the fee amortization</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 28,982<span></span>
</td>
<td class="nump">$ 8,511<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_FunderAxis=omex_PoplarFallsLlcMember', window );">Poplar Falls LLC [Member] | Pending Litigation [Member] | Phase One [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_ClaimsAmountAgreedToBeFinancedInConnectionWithLitigationToBeSettled', window );">Claims Payment Maximum Amount</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1,500,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherExpenses', window );">Cost Of Funding The Claims For Litigation</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">80,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_FunderAxis=omex_PoplarFallsLlcMember', window );">Poplar Falls LLC [Member] | Pending Litigation [Member] | Phase Two [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_ClaimsAmountAgreedToBeFinancedInConnectionWithLitigationToBeSettled', window );">Claims Payment Maximum Amount</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">5,000,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherExpenses', window );">Cost Of Funding The Claims For Litigation</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">80,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_FunderAxis=omex_PoplarFallsLlcMember', window );">Poplar Falls LLC [Member] | Pending Litigation [Member] | Phase Two [Member] | Tranch A [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_ClaimsAmountOptionToRequest', window );">Claims amount option to request</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">3,500,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_FunderAxis=omex_PoplarFallsLlcMember', window );">Poplar Falls LLC [Member] | Pending Litigation [Member] | Phase Two [Member] | Tranch B [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_ClaimsAmountOptionToRequest', window );">Claims amount option to request</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 1,500,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_AmountRetainedByTheLenderInConnectionWithDueDiligence">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Litigation settlement loans payable transaction costs.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_AmountRetainedByTheLenderInConnectionWithDueDiligence</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>omex_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_ClaimsAmountAgreedToBeFinancedInConnectionWithLitigationToBeSettled">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Claims Agreed To Be Financed By The Funder For the Rightful Claims Due To The Company</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_ClaimsAmountAgreedToBeFinancedInConnectionWithLitigationToBeSettled</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>omex_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_ClaimsAmountOptionToRequest">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount the claimholder we have the option to request.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_ClaimsAmountOptionToRequest</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>omex_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_DiscriptionOfConditionsForDistributionOfProceedsToTheClaimholderAndFunder">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Discription of conditions for distribution of proceeds to the claimholder and funder.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_DiscriptionOfConditionsForDistributionOfProceedsToTheClaimholderAndFunder</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>omex_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_InterestFromFeeAmortization">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Interest From The Fee Amortization</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_InterestFromFeeAmortization</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>omex_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AmortizationOfDebtDiscountPremium">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of noncash expense included in interest expense to amortize debt discount and premium associated with the related debt instruments. Excludes amortization of financing costs. Alternate captions include noncash interest expense.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 835<br> -SubTopic 30<br> -Section 45<br> -Paragraph 1A<br> -URI http://asc.fasb.org/extlink&amp;oid=119993939&amp;loc=d3e28541-108399<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=121586364&amp;loc=d3e3602-108585<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03.8)<br> -URI http://asc.fasb.org/extlink&amp;oid=120395209&amp;loc=SL114868664-224227<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AmortizationOfDebtDiscountPremium</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CommonStockParOrStatedValuePerShare">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Face amount or stated value per share of common stock.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(29))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CommonStockParOrStatedValuePerShare</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentUnamortizedDiscount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, after accumulated amortization, of debt discount.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 835<br> -SubTopic 30<br> -Section 45<br> -Paragraph 1A<br> -URI http://asc.fasb.org/extlink&amp;oid=119993939&amp;loc=d3e28541-108399<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 835<br> -SubTopic 30<br> -Section 55<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=114775985&amp;loc=d3e28878-108400<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentUnamortizedDiscount</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ExtinguishmentOfDebtAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Gross amount of debt extinguished.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ExtinguishmentOfDebtAmount</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_InterestExpense">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of the cost of borrowed funds accounted for as interest expense.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 835<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=6450988&amp;loc=d3e26243-108391<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 835<br> -SubTopic 30<br> -Section 45<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=119993939&amp;loc=d3e28555-108399<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 22<br> -Subparagraph (d)<br> -URI http://asc.fasb.org/extlink&amp;oid=120311839&amp;loc=d3e8736-108599<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (210.5-03(11))<br> -URI http://asc.fasb.org/extlink&amp;oid=120395209&amp;loc=SL114868664-224227<br><br>Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 220<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-04.9)<br> -URI http://asc.fasb.org/extlink&amp;oid=120399700&amp;loc=SL114874048-224260<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_InterestExpense</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LoansPayable">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Including the current and noncurrent portions, aggregate carrying value as of the balance sheet date of loans payable (with maturities initially due after one year or beyond the operating cycle if longer).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-03(16))<br> -URI http://asc.fasb.org/extlink&amp;oid=120398452&amp;loc=d3e534808-122878<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(22))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(16)(a)(2))<br> -URI http://asc.fasb.org/extlink&amp;oid=120400017&amp;loc=d3e572229-122910<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LoansPayable</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LongTermLoansPayable">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Carrying value as of the balance sheet date of loans payable (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.22)<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongTermLoansPayable</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OtherExpenses">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of expense classified as other.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03.4,6)<br> -URI http://asc.fasb.org/extlink&amp;oid=120395209&amp;loc=SL114868664-224227<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 220<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-04.7)<br> -URI http://asc.fasb.org/extlink&amp;oid=120400993&amp;loc=SL114874131-224263<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OtherExpenses</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PaymentsOfFinancingCosts">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The cash outflow for loan and debt issuance costs.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 15<br> -URI http://asc.fasb.org/extlink&amp;oid=121586364&amp;loc=d3e3291-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PaymentsOfFinancingCosts</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ProceedsFromLinesOfCredit">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 14<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=121586364&amp;loc=d3e3255-108585<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08.(f))<br> -URI http://asc.fasb.org/extlink&amp;oid=120395691&amp;loc=d3e23780-122690<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ProceedsFromLinesOfCredit</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentAxis=omex_LitigationFinancingMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentAxis=omex_LitigationFinancingMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LongtermDebtTypeAxis=us-gaap_LoansPayableMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongtermDebtTypeAxis=us-gaap_LoansPayableMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_TypeOfArrangementAxis=omex_AmendedAndRestatedInternationalClaimsEnforcementAgreementMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_TypeOfArrangementAxis=omex_AmendedAndRestatedInternationalClaimsEnforcementAgreementMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_TypeOfArrangementAxis=omex_SecondAmendedAndRestatedInternationalClaimsEnforcementAgreementMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_TypeOfArrangementAxis=omex_SecondAmendedAndRestatedInternationalClaimsEnforcementAgreementMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_PhasesAxis=omex_PhaseThreeMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_PhasesAxis=omex_PhaseThreeMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LitigationStatusAxis=us-gaap_PendingLitigationMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LitigationStatusAxis=us-gaap_PendingLitigationMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_PhasesAxis=omex_PhaseOneMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_PhasesAxis=omex_PhaseOneMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_ProceedsAxis=omex_ProceedsOneMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_ProceedsAxis=omex_ProceedsOneMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_ProceedsAxis=omex_ProceedsTwoMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_ProceedsAxis=omex_ProceedsTwoMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
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</tr>
</table></div>
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</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_ProceedsAxis=omex_ProceedsThreeMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_ProceedsAxis=omex_ProceedsThreeMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
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<tr>
<td><strong> Period Type:</strong></td>
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</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_PhasesAxis=omex_PhaseTwoMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_PhasesAxis=omex_PhaseTwoMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_ProceedsAxis=omex_ProceedsFourMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_ProceedsAxis=omex_ProceedsFourMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
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<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_FunderAxis=omex_PoplarFallsLlcMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_FunderAxis=omex_PoplarFallsLlcMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_TrancheAxis=omex_TranchAMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_TrancheAxis=omex_TranchAMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Balance Type:</strong></td>
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<td><strong> Period Type:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_TrancheAxis=omex_TranchBMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_TrancheAxis=omex_TranchBMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Balance Type:</strong></td>
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<td><strong> Period Type:</strong></td>
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</html>
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<DOCUMENT>
<TYPE>XML
<SEQUENCE>71
<FILENAME>R59.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139949242632712">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Loans Payable - Note 10 - Payroll Protection Program - Additional Information (Detail) - USD ($)<br></strong></div></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="2">3 Months Ended</th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
</tr>
<tr>
<th class="th"><div>Apr. 16, 2020</div></th>
<th class="th"><div>Mar. 31, 2021</div></th>
<th class="th"><div>Mar. 31, 2020</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
<th class="th"><div>May 31, 2020</div></th>
<th class="th"><div>Oct. 01, 2016</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentFaceAmount', window );">Debt instrument face amount</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 3,000,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InterestExpense', window );">Interest Expense</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 2,380,476<span></span>
</td>
<td class="nump">$ 1,335,618<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentAxis=omex_CaresActLoanMember', window );">Cares Act Loan [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentFaceAmount', window );">Debt instrument face amount</a></td>
<td class="nump">$ 370,400<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_DebtInstrumentMaturityPeriod', window );">Debt instrument maturity period</a></td>
<td class="text">2 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentMaturityDate', window );">Debt instrument maturity date</a></td>
<td class="text">Apr. 16,  2022<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentInterestRateStatedPercentage', window );">Debt instrument interest rate</a></td>
<td class="nump">0.98%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_PercentOfLoanThatWillForgiven', window );">Percent of loan that will forgiven</a></td>
<td class="nump">75.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">60.00%<span></span>
</td>
<td class="nump">75.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InterestExpense', window );">Interest Expense</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 941<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_DebtInstrumentMaturityPeriod">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Debt Instrument Maturity Period</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_DebtInstrumentMaturityPeriod</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>omex_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:durationItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_PercentOfLoanThatWillForgiven">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Percent Of Loan That Will Forgiven</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_PercentOfLoanThatWillForgiven</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>omex_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentFaceAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Face (par) amount of debt instrument at time of issuance.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 835<br> -SubTopic 30<br> -Section 45<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=119993939&amp;loc=d3e28551-108399<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 835<br> -SubTopic 30<br> -Section 55<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=114775985&amp;loc=d3e28878-108400<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentFaceAmount</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentInterestRateStatedPercentage">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Contractual interest rate for funds borrowed, under the debt agreement.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.22(a)(1))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentInterestRateStatedPercentage</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentMaturityDate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.22(a)(2))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 820<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (bbb)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=117815213&amp;loc=d3e19207-110258<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of the cost of borrowed funds accounted for as interest expense.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 835<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=6450988&amp;loc=d3e26243-108391<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 835<br> -SubTopic 30<br> -Section 45<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=119993939&amp;loc=d3e28555-108399<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 22<br> -Subparagraph (d)<br> -URI http://asc.fasb.org/extlink&amp;oid=120311839&amp;loc=d3e8736-108599<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (210.5-03(11))<br> -URI http://asc.fasb.org/extlink&amp;oid=120395209&amp;loc=SL114868664-224227<br><br>Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 220<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-04.9)<br> -URI http://asc.fasb.org/extlink&amp;oid=120399700&amp;loc=SL114874048-224260<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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<td>xbrli:monetaryItemType</td>
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<td><strong> Balance Type:</strong></td>
<td>debit</td>
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<td>duration</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentAxis=omex_CaresActLoanMember">
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentAxis=omex_CaresActLoanMember</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td></td>
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<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139949238094296">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Loans Payable - Note 11 - Emergency Injury Disaster Loan - Additional Information (Detail) - USD ($)<br></strong></div></th>
<th class="th"><div>Jun. 26, 2020</div></th>
<th class="th"><div>Oct. 01, 2016</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentFaceAmount', window );">Debt instrument face amount</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 3,000,000<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentAxis=omex_EmergencyInjuryDisasterLoanMember', window );">Emergency Injury Disaster Loan [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentFaceAmount', window );">Debt instrument face amount</a></td>
<td class="nump">$ 149,900<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentInterestRateStatedPercentage', window );">Debt instrument interest rate</a></td>
<td class="nump">3.75%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentPeriodicPayment', window );">Debt instrument periodic payment</a></td>
<td class="nump">$ 731<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_DebtInstrumentMaturityPeriod', window );">Debt instrument maturity period</a></td>
<td class="text">30 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_DebtInstrumentMaturityPeriod">
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Debt Instrument Maturity Period</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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<td>duration</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentFaceAmount">
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Face (par) amount of debt instrument at time of issuance.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 835<br> -SubTopic 30<br> -Section 45<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=119993939&amp;loc=d3e28551-108399<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 835<br> -SubTopic 30<br> -Section 55<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=114775985&amp;loc=d3e28878-108400<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentFaceAmount</td>
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<td><strong> Balance Type:</strong></td>
<td>credit</td>
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<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Contractual interest rate for funds borrowed, under the debt agreement.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.22(a)(1))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of the required periodic payments including both interest and principal payments.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.22)<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 470<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=75038535&amp;loc=d3e64711-112823<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentPeriodicPayment</td>
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<td><strong> Balance Type:</strong></td>
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<td>duration</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentAxis=omex_EmergencyInjuryDisasterLoanMember</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
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<td><strong> Balance Type:</strong></td>
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<TYPE>XML
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<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139949237669448">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Loans Payable - Note 12 - Vendor note payable - Additional Information (Detail) - USD ($)<br></strong></div></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="2">3 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Jun. 30, 2018</div></th>
<th class="th"><div>Mar. 31, 2021</div></th>
<th class="th"><div>Mar. 31, 2020</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccountsPayableInterestBearingInterestRate', window );">Trade payable, interest bearing interest rate</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">12.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccountsPayableTradeCurrent', window );">Trade payable in accounts payable</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 484,009<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_CollateralAssetCarryingValue', window );">Collateral asset carrying value</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InterestExpense', window );">Interest Expense</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">2,380,476<span></span>
</td>
<td class="nump">$ 1,335,618<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=omex_MagellanMember', window );">Magellan Offshore Services Ltd [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InterestExpense', window );">Interest Expense</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 14,321<span></span>
</td>
<td class="nump">$ 14,480<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=omex_MagellanMember', window );">Magellan Offshore Services Ltd [Member] | Marine Equipment [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment', window );">Proceeds from sale of marine equipment</a></td>
<td class="nump">$ 1,000,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_ContingentLiability', window );">Contingent liability</a></td>
<td class="nump">$ 500,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentAxis=omex_CollateralAgreementMember', window );">Collateral Agreement [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentMaturityDate', window );">Debt instrument maturity date</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">Aug. 31,  2018<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_CollateralAssetCarryingValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Collateral asset carrying value.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_CollateralAssetCarryingValue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>omex_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_ContingentLiability">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Contingent Liability</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_ContingentLiability</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>omex_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AccountsPayableInterestBearingInterestRate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Reflects the effective interest rate as of the balance sheet date on interest-bearing trade payables.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 835<br> -SubTopic 30<br> -Section 25<br> -Paragraph 13<br> -URI http://asc.fasb.org/extlink&amp;oid=29642582&amp;loc=d3e27881-108397<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 835<br> -SubTopic 30<br> -Section 45<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=119993939&amp;loc=d3e28551-108399<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 835<br> -SubTopic 30<br> -Section 25<br> -Paragraph 12<br> -URI http://asc.fasb.org/extlink&amp;oid=29642582&amp;loc=d3e27862-108397<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 835<br> -SubTopic 30<br> -Section 45<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=119993939&amp;loc=d3e28555-108399<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccountsPayableInterestBearingInterestRate</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AccountsPayableTradeCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Carrying value as of the balance sheet date of obligations incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.19(a))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section 45<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=121566466&amp;loc=d3e6935-107765<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccountsPayableTradeCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentMaturityDate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.22(a)(2))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 820<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (bbb)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=117815213&amp;loc=d3e19207-110258<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentMaturityDate</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:dateItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_InterestExpense">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of the cost of borrowed funds accounted for as interest expense.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 835<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=6450988&amp;loc=d3e26243-108391<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 835<br> -SubTopic 30<br> -Section 45<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=119993939&amp;loc=d3e28555-108399<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 22<br> -Subparagraph (d)<br> -URI http://asc.fasb.org/extlink&amp;oid=120311839&amp;loc=d3e8736-108599<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (210.5-03(11))<br> -URI http://asc.fasb.org/extlink&amp;oid=120395209&amp;loc=SL114868664-224227<br><br>Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 220<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-04.9)<br> -URI http://asc.fasb.org/extlink&amp;oid=120399700&amp;loc=SL114874048-224260<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_InterestExpense</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 12<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=121586364&amp;loc=d3e3179-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=omex_MagellanMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=omex_MagellanMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
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<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_MarineServicesEquipmentMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_MarineServicesEquipmentMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentAxis=omex_CollateralAgreementMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentAxis=omex_CollateralAgreementMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139949234824584">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Stockholders' Equity (Deficit) - Additional Information (Detail)<br></strong></div></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="2">3 Months Ended</th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
</tr>
<tr>
<th class="th">
<div>Aug. 21, 2020 </div>
<div>USD ($) </div>
<div>$ / shares </div>
<div>shares</div>
</th>
<th class="th">
<div>Aug. 14, 2020 </div>
<div>$ / shares </div>
<div>shares</div>
</th>
<th class="th"><div>Jul. 09, 2019</div></th>
<th class="th">
<div>Jul. 08, 2019 </div>
<div>$ / shares </div>
<div>shares</div>
</th>
<th class="th">
<div>Jun. 09, 2015 </div>
<div>USD ($) </div>
<div>shares</div>
</th>
<th class="th">
<div>Mar. 31, 2021 </div>
<div>USD ($) </div>
<div>d </div>
<div>$ / shares </div>
<div>shares</div>
</th>
<th class="th">
<div>Mar. 31, 2020 </div>
<div>USD ($)</div>
</th>
<th class="th">
<div>Dec. 31, 2020 </div>
<div>$ / shares </div>
<div>shares</div>
</th>
<th class="th">
<div>Mar. 26, 2019 </div>
<div>shares</div>
</th>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
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<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1', window );">Warrants, exercise price | $ / shares</a></td>
<td class="nump">$ 4.75<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentConvertibleThresholdConsecutiveTradingDays1', window );">Number of trading days | d</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">20<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PreferredStockParOrStatedValuePerShare', window );">Preferred stock, par value | $ / shares</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 0.0001<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 0.0001<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PreferredStockSharesAuthorized', window );">Preferred stock, shares authorized</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">24,984,166<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">24,984,166<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AllocatedShareBasedCompensationExpense', window );">Share-based compensation expense | $</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 281,687<span></span>
</td>
<td class="nump">$ 105,162<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights', window );">Class of Warrant or Right, Number of Securities Called by Warrants or Rights</a></td>
<td class="nump">1,901,989<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction', window );">Sale of Stock, Number of Shares Issued in Transaction</a></td>
<td class="nump">2,553,314<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PaymentsOfStockIssuanceCosts', window );">Offering costs paid on sale of common stock | $</a></td>
<td class="nump">$ 300,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProceedsFromIssuanceOfCommonStock', window );">Net proceeds received from sale of stock | $</a></td>
<td class="nump">$ 11,200,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByEachWarrantOrRight', window );">Class of Warrant or Right, Number of Securities Called by Each Warrant or Right</a></td>
<td class="nump">0.6<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_PurchasePriceOfWarrant', window );">Purchase price of warrant | $ / shares</a></td>
<td class="nump">$ 4.543<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_AmountWithHeldToPayTheOfferingCostsAtALaterDate', window );">Cover fees | $</a></td>
<td class="nump">$ 200,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_FunderAxis=omex_PoplarFallsLlcMember', window );">Poplar Falls LLC [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1', window );">Warrants, exercise price | $ / shares</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 3.99<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InvestmentTypeAxis=omex_NoteAndWarrantPurchaseAgreementMember', window );">Note And Warrant Purchase Agreement [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1', window );">Warrants, exercise price | $ / shares</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 4.67<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 5.756<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 12.00<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ClassOfWarrantOrRightOutstanding', window );">Number of warrants</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">65,625<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_ClassOfWarrantOrRightExpirationDate', window );">Warrants, expiration date</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">Aug. 14,  2023<span></span>
</td>
<td class="text">Jul. 21,  2021<span></span>
</td>
<td class="text">Jul. 12,  2024<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights', window );">Class of Warrant or Right, Number of Securities Called by Warrants or Rights</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">131,996<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">196,135<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InvestmentTypeAxis=omex_NoteAndWarrantPurchaseAgreementMember', window );">Note And Warrant Purchase Agreement [Member] | Second Amendment Agreement [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1', window );">Warrants, exercise price | $ / shares</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 5.756<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights', window );">Class of Warrant or Right, Number of Securities Called by Warrants or Rights</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">196,135<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PlanNameAxis=omex_TwoThousandFifteenStockIncentivePlanMember', window );">2015 Stock Incentive Plan [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized', window );">Award authorized by board</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">450,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementClassOfStockAxis=omex_SeriesAaTwoConvertiblePreferredStockMember', window );">Series AA-2 Convertible Preferred Stock [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PreferredStockParOrStatedValuePerShare', window );">Preferred stock, par value | $ / shares</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 0.0001<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PreferredStockSharesAuthorized', window );">Preferred stock, shares authorized</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">7,223,145<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementClassOfStockAxis=omex_SeriesAaOneConvertiblePreferredStockMember', window );">Series AA-1 Convertible Preferred Stock [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PreferredStockParOrStatedValuePerShare', window );">Preferred stock, par value | $ / shares</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 0.0001<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PreferredStockSharesAuthorized', window );">Preferred stock, shares authorized</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">8,427,004<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_PreferredStockAccretionAtAnnualizedRate', window );">Preferred stock Liquidation preference accretion rate</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">8.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_RangeAxis=srt_MinimumMember', window );">Minimum [Member] | Series AA-2 Convertible Preferred Stock [Member] | Penelope Mining LLC [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentConvertibleStockPriceTrigger', window );">Closing price of common stock | $ / shares</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 15.12<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_RangeAxis=srt_MaximumMember', window );">Maximum [Member] | Poplar Falls LLC [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockIssuedDuringPeriodSharesNewIssues', window );">Common stock and warrants sold</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">551,378<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AwardTypeAxis=omex_IncentiveStockOptionsMember', window );">Incentive Stock Options [Member] | 2015 Stock Incentive Plan [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized', window );">Award authorized by board</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">450,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized', window );">Additional shares authorized for stock-based compensation</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">200,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AwardTypeAxis=omex_IncentiveStockOptionsMember', window );">Incentive Stock Options [Member] | 2019 Stock Incentive Plan [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized', window );">Award authorized by board</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">800,000<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementEquityComponentsAxis=us-gaap_CommonStockMember', window );">Common Stock [Member] | Incentive Stock Options [Member] | 2015 Stock Incentive Plan [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_ShareBasedCompensationArrangementByShareBasedPaymentAwardExercisePriceCondition', window );">Exercise price of incentive option granted</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">With respect to each grant of an ISO to a participant who is not a ten percent stockholder, the exercise price shall not be less than the fair market value of a share on the date the ISO is granted. With respect to each grant of an ISO to a participant who is a ten percent stockholder, the exercise price shall not be less than one hundred ten percent (110%) of the fair market value of a share on the date the ISO is granted.<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardMaximumNumberOfSharesPerEmployee', window );">Maximum aggregate number of Shares with respect to one or more Awards that may be granted to any one person during any calendar year</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">83,333<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_ShareBasedCompensationArrangementByShareBasedPaymentAwardMaximumAmountPayableInCashPerEmployee', window );">Maximum aggregate amount of cash that may be paid in cash to any person during any calendar year | $</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 2,000,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementEquityComponentsAxis=us-gaap_CommonStockMember', window );">Common Stock [Member] | Incentive Stock Options [Member] | Minimum [Member] | 2015 Stock Incentive Plan [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_EligibleEmployeeThresholdPercentage', window );">Eligible employee threshold percentage</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">0.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardPurchasePriceOfCommonStockPercent', window );">Purchase price of common stock percentage</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(110.00%)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_AmountWithHeldToPayTheOfferingCostsAtALaterDate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount with held to pay the offering costs at a later date.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_AmountWithHeldToPayTheOfferingCostsAtALaterDate</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>omex_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_ClassOfWarrantOrRightExpirationDate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Class of warrant or right expiration date.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_ClassOfWarrantOrRightExpirationDate</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>omex_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:dateItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_EligibleEmployeeThresholdPercentage">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Eligible employee threshold percentage.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_EligibleEmployeeThresholdPercentage</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>omex_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_PreferredStockAccretionAtAnnualizedRate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Preferred Stock Accretion at Annualized Rate</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_PreferredStockAccretionAtAnnualizedRate</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>omex_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_PurchasePriceOfWarrant">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Purchase Price Of Warrant.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_PurchasePriceOfWarrant</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>omex_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_ShareBasedCompensationArrangementByShareBasedPaymentAwardExercisePriceCondition">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Share based compensation arrangement by share based payment award exercise price condition.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_ShareBasedCompensationArrangementByShareBasedPaymentAwardExercisePriceCondition</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>omex_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_ShareBasedCompensationArrangementByShareBasedPaymentAwardMaximumAmountPayableInCashPerEmployee">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Share based compensation arrangement by share based payment award maximum amount payable in cash per employee.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_ShareBasedCompensationArrangementByShareBasedPaymentAwardMaximumAmountPayableInCashPerEmployee</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>omex_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AllocatedShareBasedCompensationExpense">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=120381028&amp;loc=d3e5047-113901<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB Topic 14.F)<br> -URI http://asc.fasb.org/extlink&amp;oid=115993241&amp;loc=d3e301413-122809<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (h)(1)(i)<br> -URI http://asc.fasb.org/extlink&amp;oid=120381028&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AllocatedShareBasedCompensationExpense</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Exercise price per share or per unit of warrants or rights outstanding.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=109259400&amp;loc=d3e21475-112644<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByEachWarrantOrRight">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Number of securities into which each warrant or right may be converted. For example, but not limited to, each warrant may be converted into two shares.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByEachWarrantOrRight</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=109259400&amp;loc=d3e21475-112644<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ClassOfWarrantOrRightOutstanding">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Number of warrants or rights outstanding.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ClassOfWarrantOrRightOutstanding</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentConvertibleStockPriceTrigger">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Price of the entity's common stock which would be required to be attained for the conversion feature embedded in the debt instrument to become effective.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentConvertibleStockPriceTrigger</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentConvertibleThresholdConsecutiveTradingDays1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Threshold period of specified consecutive trading days within which common stock price to conversion price of convertible debt instrument must exceed threshold percentage for specified number of trading days to trigger conversion feature.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentConvertibleThresholdConsecutiveTradingDays1</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:integerItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PaymentsOfStockIssuanceCosts">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The cash outflow for cost incurred directly with the issuance of an equity security.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 15<br> -URI http://asc.fasb.org/extlink&amp;oid=121586364&amp;loc=d3e3291-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PaymentsOfStockIssuanceCosts</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PreferredStockParOrStatedValuePerShare">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(28))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PreferredStockParOrStatedValuePerShare</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PreferredStockSharesAuthorized">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(28))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PreferredStockSharesAuthorized</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ProceedsFromIssuanceOfCommonStock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The cash inflow from the additional capital contribution to the entity.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 14<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=121586364&amp;loc=d3e3255-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ProceedsFromIssuanceOfCommonStock</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The number of shares issued or sold by the subsidiary or equity method investee per stock transaction.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardMaximumNumberOfSharesPerEmployee">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The highest quantity of shares an employee can purchase under the plan per period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=120381028&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardMaximumNumberOfSharesPerEmployee</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Number of additional shares authorized for issuance under share-based payment arrangement.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Number of shares authorized for issuance under share-based payment arrangement.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (a)(3)<br> -URI http://asc.fasb.org/extlink&amp;oid=120381028&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardPurchasePriceOfCommonStockPercent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Purchase price of common stock expressed as a percentage of its fair value.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardPurchasePriceOfCommonStockPercent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StockIssuedDuringPeriodSharesNewIssues">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Number of new stock issued during the period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(29))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=109259400&amp;loc=d3e21463-112644<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.3-04)<br> -URI http://asc.fasb.org/extlink&amp;oid=120397183&amp;loc=d3e187085-122770<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(28))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StockIssuedDuringPeriodSharesNewIssues</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_FunderAxis=omex_PoplarFallsLlcMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_FunderAxis=omex_PoplarFallsLlcMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_InvestmentTypeAxis=omex_NoteAndWarrantPurchaseAgreementMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_InvestmentTypeAxis=omex_NoteAndWarrantPurchaseAgreementMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_AmendmentAxis=omex_SecondAmendmentAgreementMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_AmendmentAxis=omex_SecondAmendmentAgreementMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PlanNameAxis=omex_TwoThousandFifteenStockIncentivePlanMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139949242513608">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Stockholders' Equity (Deficit) - Summary of Preferred Stock Allocated to Investors (Detail) - Penelope Mining LLC [Member]<br></strong></div></th>
<th class="th">
<div>Mar. 31, 2021 </div>
<div>USD ($) </div>
<div>$ / shares </div>
<div>shares</div>
</th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_PreferredStockLineItems', window );"><strong>Preferred Stock [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PreferredStockSharesIssued', window );">Shares | shares</a></td>
<td class="nump">15,650,149<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PreferredStockValue', window );">Total Investment | $</a></td>
<td class="nump">$ 144,462,918<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=omex_PenelopeMiningLlcMember', window );">Series AA-1 Convertible Preferred Stock [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_PreferredStockLineItems', window );"><strong>Preferred Stock [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PreferredStockSharesIssued', window );">Shares | shares</a></td>
<td class="nump">8,427,004<span></span>
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</tr>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SharePrice', window );">Price Per Share | $ / shares</a></td>
<td class="nump">$ 12.00<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PreferredStockValue', window );">Total Investment | $</a></td>
<td class="nump">$ 101,124,048<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=omex_PenelopeMiningLlcMember', window );">Series AA-2 Convertible Preferred Stock [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_PreferredStockLineItems', window );"><strong>Preferred Stock [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PreferredStockSharesIssued', window );">Shares | shares</a></td>
<td class="nump">7,223,145<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SharePrice', window );">Price Per Share | $ / shares</a></td>
<td class="nump">$ 6.00<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PreferredStockValue', window );">Total Investment | $</a></td>
<td class="nump">$ 43,338,870<span></span>
</td>
</tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Preferred Stock [Line Items]</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Total number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued, repurchased, and remain in the treasury). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(28))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Aggregate par or stated value of issued nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable preferred shares, par value and other disclosure concepts are in another section within stockholders' equity.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(28))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Price of a single share of a number of saleable stocks of a company.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StatementClassOfStockAxis=omex_SeriesAaOneConvertiblePreferredStockMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StatementClassOfStockAxis=omex_SeriesAaTwoConvertiblePreferredStockMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StatementClassOfStockAxis=omex_SeriesAaTwoConvertiblePreferredStockMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
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</div>
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</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>76
<FILENAME>R64.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
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<body>
<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139949245005288">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Concentration of Credit Risk - Additional Information (Detail)<br></strong></div></th>
<th class="th">
<div>Mar. 31, 2021 </div>
<div>USD ($)</div>
</th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtDisclosureAbstract', window );"><strong>Debt Disclosure [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LoansReceivableWithVariableRatesOfInterest1', window );">Amount of loan outstanding with variable interest rate</a></td>
<td class="nump">$ 0<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtDisclosureAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtDisclosureAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LoansReceivableWithVariableRatesOfInterest1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of loan with variable or adjustable rate of interest.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 310<br> -SubTopic 10<br> -Section 45<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=121593590&amp;loc=d3e4428-111522<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LoansReceivableWithVariableRatesOfInterest1</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>77
<FILENAME>R65.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
							function toggleNextSibling (e) {
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<body>
<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139949238830760">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Revenue Participation Rights - Additional Information (Detail)<br></strong></div></th>
<th class="th" colspan="1">1 Months Ended</th>
<th class="th" colspan="1">3 Months Ended</th>
</tr>
<tr>
<th class="th">
<div>Feb. 28, 2011 </div>
<div>USD ($)</div>
</th>
<th class="th">
<div>Mar. 31, 2021 </div>
<div>USD ($) </div>
<div>Investment </div>
<div>Project </div>
<div>$ / Security </div>
<div>shares</div>
</th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredRevenueArrangementLineItems', window );"><strong>Deferred Revenue Arrangement [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_RevenueParticipationAgreementValue', window );">Revenue participation agreement</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 15,000,000<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredRevenueArrangementTypeAxis=omex_SeattleProjectMember', window );">"Seattle" Project [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredRevenueArrangementLineItems', window );"><strong>Deferred Revenue Arrangement [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_PercentageOfRevenueOwedToCertificateHoldersPerUnit', window );">Percentage of revenue owed to certificate holder per each million invested</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1.00%<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_CommonSharesIssuedPerUnit', window );">Common shares issued per unit | shares</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">100,000<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredRevenueArrangementTypeAxis=omex_GaltResourcesLlcMember', window );">Galt Resources, LLC [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredRevenueArrangementLineItems', window );"><strong>Deferred Revenue Arrangement [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_PercentageOfRevenueOwedToCertificateHolders', window );">Percentage of revenue owed to certificate holders</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">50.00%<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_PercentageOfRevenueOwedToCertificateHoldersPerUnit', window );">Percentage of revenue owed to certificate holder per each million invested</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1.00%<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_InvestmentMultiplierInCaseOfProjectSuccess', window );">Investment multiplier in case of project success | Investment</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">3<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_NumberOfProjectsAfterBifurcation', window );">Projects after bifurcation | Project</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">2<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredRevenueArrangementTypeAxis=omex_GaltResourcesLlcMember', window );">Galt Resources, LLC [Member] | SS Gairsoppa [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredRevenueArrangementLineItems', window );"><strong>Deferred Revenue Arrangement [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ContractWithCustomerLiabilityRevenueRecognized', window );">Deferred revenue</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 3,756,250<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredRevenueArrangementTypeAxis=omex_GaltResourcesLlcMember', window );">Galt Resources, LLC [Member] | Maximum [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredRevenueArrangementLineItems', window );"><strong>Deferred Revenue Arrangement [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_InvestmentForFutureRevenueRights', window );">Investment for future revenue rights</a></td>
<td class="nump">$ 7,512,500<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredRevenueArrangementTypeAxis=omex_HmsVictoryProjectMember', window );">HMS Victory Project [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredRevenueArrangementLineItems', window );"><strong>Deferred Revenue Arrangement [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_PercentageOfRevenueOwedToCertificateHolders', window );">Percentage of revenue owed to certificate holders</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">7.5125%<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_InvestmentsAxis=omex_RevenueParticipationCertificatesMember', window );">Revenue Participation Certificates [Member] | "Seattle" Project [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredRevenueArrangementLineItems', window );"><strong>Deferred Revenue Arrangement [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_omex_RevenueParticipationCertificatesPerUnitValue', window );">Revenue participation certificates per unit value | $ / Security</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">50,000<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_CommonSharesIssuedPerUnit">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Common shares issued per unit.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_CommonSharesIssuedPerUnit</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>omex_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_InvestmentForFutureRevenueRights">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Investment for future revenue rights.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_InvestmentForFutureRevenueRights</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>omex_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_InvestmentMultiplierInCaseOfProjectSuccess">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Investment multiplier in case of project success.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_InvestmentMultiplierInCaseOfProjectSuccess</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>omex_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:integerItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_NumberOfProjectsAfterBifurcation">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Number of projects after bifurcation.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_NumberOfProjectsAfterBifurcation</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>omex_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:integerItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_PercentageOfRevenueOwedToCertificateHolders">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Percentage of revenue owed to certificate holders.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_PercentageOfRevenueOwedToCertificateHolders</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>omex_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_PercentageOfRevenueOwedToCertificateHoldersPerUnit">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Percentage of revenue owed to certificate holders per unit.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_PercentageOfRevenueOwedToCertificateHoldersPerUnit</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>omex_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_RevenueParticipationAgreementValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Revenue participation agreement value.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_RevenueParticipationAgreementValue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>omex_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_RevenueParticipationCertificatesPerUnitValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Revenue Participation Certificates Per Unit Value.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_RevenueParticipationCertificatesPerUnitValue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>omex_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>srt-types:perUnitItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ContractWithCustomerLiabilityRevenueRecognized">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 606<br> -SubTopic 10<br> -Section 50<br> -Paragraph 8<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=121604090&amp;loc=SL49130549-203045<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ContractWithCustomerLiabilityRevenueRecognized</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeferredRevenueArrangementLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredRevenueArrangementLineItems</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td>xbrli:stringItemType</td>
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<td><strong> Balance Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeferredRevenueArrangementTypeAxis=omex_SeattleProjectMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredRevenueArrangementTypeAxis=omex_SeattleProjectMember</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
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<td><strong> Balance Type:</strong></td>
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<tr>
<td><strong> Period Type:</strong></td>
<td></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeferredRevenueArrangementTypeAxis=omex_GaltResourcesLlcMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredRevenueArrangementTypeAxis=omex_GaltResourcesLlcMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=omex_SsGairsoppaMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=omex_SsGairsoppaMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
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<td><strong> Period Type:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_RangeAxis=srt_MaximumMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_RangeAxis=srt_MaximumMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
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<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeferredRevenueArrangementTypeAxis=omex_HmsVictoryProjectMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredRevenueArrangementTypeAxis=omex_HmsVictoryProjectMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
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<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_omex_InvestmentsAxis=omex_RevenueParticipationCertificatesMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">omex_InvestmentsAxis=omex_RevenueParticipationCertificatesMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
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<tr>
<td><strong> Period Type:</strong></td>
<td></td>
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<SEQUENCE>78
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<DESCRIPTION>IDEA: XBRL DOCUMENT
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<head>
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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm139949326175736">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Revenue Participation Rights (Detail) - USD ($)<br></strong></div></th>
<th class="th"><div>Mar. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredRevenueArrangementLineItems', window );"><strong>Deferred Revenue Arrangement [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredRevenueNoncurrent', window );">Revenue participation rights</a></td>
<td class="nump">$ 3,818,750<span></span>
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<td class="nump">$ 3,818,750<span></span>
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</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredRevenueArrangementTypeAxis=omex_SeattleProjectMember', window );">"Seattle" Project [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredRevenueArrangementLineItems', window );"><strong>Deferred Revenue Arrangement [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredRevenueNoncurrent', window );">Revenue participation rights</a></td>
<td class="nump">62,500<span></span>
</td>
<td class="nump">62,500<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredRevenueArrangementTypeAxis=omex_GaltResourcesLlcHmsVictoryMember', window );">Galt Resources, LLC (HMS Victory project) [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredRevenueArrangementLineItems', window );"><strong>Deferred Revenue Arrangement [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredRevenueNoncurrent', window );">Revenue participation rights</a></td>
<td class="nump">$ 3,756,250<span></span>
</td>
<td class="nump">$ 3,756,250<span></span>
</td>
</tr>
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<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeferredRevenueArrangementLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredRevenueArrangementLineItems</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeferredRevenueNoncurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of deferred income and obligation to transfer product and service to customer for which consideration has been received or is receivable, classified as noncurrent.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(5))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredRevenueNoncurrent</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
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<DOCUMENT>
<TYPE>EXCEL
<SEQUENCE>79
<FILENAME>Financial_Report.xlsx
<DESCRIPTION>IDEA: XBRL DOCUMENT
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end
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
