<SEC-DOCUMENT>0000917225-19-000003.txt : 20190301
<SEC-HEADER>0000917225-19-000003.hdr.sgml : 20190301
<ACCEPTANCE-DATETIME>20190301094114
ACCESSION NUMBER:		0000917225-19-000003
CONFORMED SUBMISSION TYPE:	10-K
PUBLIC DOCUMENT COUNT:		73
CONFORMED PERIOD OF REPORT:	20181231
FILED AS OF DATE:		20190301
DATE AS OF CHANGE:		20190301

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SOLITARIO ZINC CORP.
		CENTRAL INDEX KEY:			0000917225
		STANDARD INDUSTRIAL CLASSIFICATION:	GOLD & SILVER ORES [1040]
		IRS NUMBER:				841285791
		STATE OF INCORPORATION:			CO
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		10-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-32978
		FILM NUMBER:		19647006

	BUSINESS ADDRESS:	
		STREET 1:		4251 KIPLING STREET
		STREET 2:		SUITE 390
		CITY:			WHEAT RIDGE
		STATE:			CO
		ZIP:			80033
		BUSINESS PHONE:		3035341030

	MAIL ADDRESS:	
		STREET 1:		4251 KIPLING STREET
		STREET 2:		SUITE 390
		CITY:			WHEAT RIDGE
		STATE:			CO
		ZIP:			80033

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SOLITARIO EXPLORATION & ROYALTY CORP.
		DATE OF NAME CHANGE:	20080616

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SOLITARIO RESOURCES CORP
		DATE OF NAME CHANGE:	20000711
</SEC-HEADER>
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<TYPE>10-K
<SEQUENCE>1
<FILENAME>frm10k18.htm
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<P STYLE="font: bold 10pt/85% Times New Roman, Times, Serif; margin: 0; text-align: center">UNITED STATES<U><BR>
SECURITIES AND EXCHANGE COMMISSION<BR>
Washington, D.C. 20549<BR>
<BR>
</U></P>

<P STYLE="font: 10pt/85% Times New Roman, Times, Serif; margin: 0; text-align: center"><B>FORM 10-K</B></P>

<P STYLE="font: 10pt/85% Times New Roman, Times, Serif; margin: 0; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 10pt/85% Times New Roman, Times, Serif; margin: 0; text-align: center">(Mark One)<BR>
<U>&nbsp;&nbsp;X&nbsp;</U>&nbsp;&nbsp;&nbsp;&nbsp;Annual report pursuant to Section 13 or 15(d) of the Securities Exchange Act
of 1934 for the fiscal year ended<BR>
December 31, 2018<BR>
or<BR>
<U>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</U>&nbsp;&nbsp;&nbsp;Transition report pursuant to Section 13 or 15(d) of the Securities
Exchange Act of 1934<BR>
For the transition period from<U>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</U>to<U>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</U><BR>
Commission file number <B><U>001-32978</U></B><BR>
<B>SOLITARIO ZINC CORP.</B><BR>
(Exact name of registrant as specified in charter)</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 10%; padding-right: -0.9pt; padding-left: 5.4pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="width: 57%; padding-right: -0.9pt; padding-left: 5.4pt"><B><U>Colorado</U></B><BR>
(State or other jurisdiction of incorporation or organization)</TD>
    <TD STYLE="width: 33%; padding-right: -0.9pt; padding-left: 5.4pt"><B><U>84-1285791</U></B><BR>
(I.R.S. Employer Identification No.)</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: -0.9pt; padding-left: 5.4pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: -0.9pt; padding-left: 5.4pt"><B><U>4251 Kipling St. Suite 390, Wheat Ridge, CO</U></B><BR>
(Address of principal executive offices)</TD>
    <TD STYLE="padding-right: -0.9pt; padding-left: 5.4pt"><B><U>80033</U></B><BR>
(Zip Code)</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: -0.9pt; padding-left: 5.4pt; text-align: justify">&nbsp;</TD>
    <TD STYLE="padding-right: -0.9pt; padding-left: 5.4pt">Registrant's telephone number, including area code</TD>
    <TD STYLE="padding-right: -0.9pt; padding-left: 5.4pt"><B><U>(303)&nbsp;&nbsp;534-1030</U></B></TD></TR>
</TABLE>
<P STYLE="font: 10pt/85% Times New Roman, Times, Serif; margin: 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt/85% Times New Roman, Times, Serif; margin: 0; text-align: center">Securities registered pursuant to Section
12(b) of the Act:&nbsp;&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 49%; border-top: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: -0.9pt; padding-left: 5.4pt; text-align: center">Title of each class</TD>
    <TD STYLE="width: 51%; border: black 1pt solid; padding-right: -0.9pt; padding-left: 5.4pt; text-align: center">Name of exchange on which registered</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: -0.9pt; padding-left: 5.4pt; text-align: center"><B>Common Stock, $0.01 par value</B></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: -0.9pt; padding-left: 5.4pt; text-align: center"><B>NYSE American</B></TD></TR>
</TABLE>
<P STYLE="font: 10pt/85% Times New Roman, Times, Serif; margin: 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt/85% Times New Roman, Times, Serif; margin: 0">Securities registered pursuant to Section 12(g) of the Act:
None</P>

<P STYLE="font: 10pt/85% Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/85% Times New Roman, Times, Serif; margin: 0">Indicate by check mark if the registrant is a well-known seasoned
issuer, as defined in Rule 405 of the Securities Act.</P>

<P STYLE="font: 10pt/85% Times New Roman, Times, Serif; margin: 0; text-align: center">YES [&nbsp;&nbsp;]&nbsp;&nbsp;&nbsp;NO [X]</P>

<P STYLE="font: 10pt/85% Times New Roman, Times, Serif; margin: 0">Indicate by check mark if the registrant is not required to
file reports pursuant to Section 13 or Section 15(d) of the Act.</P>

<P STYLE="font: 10pt/85% Times New Roman, Times, Serif; margin: 0; text-align: center">YES [X]&nbsp;&nbsp;&nbsp;NO [ ]</P>

<P STYLE="font: 10pt/85% Times New Roman, Times, Serif; margin: 0">Indicate by check mark whether the registrant (1) has 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 the registrant was required to file such reports), and (2) has been subject to such filing requirements
for the past 90 days.</P>

<P STYLE="font: 10pt/85% Times New Roman, Times, Serif; margin: 0; text-align: center">YES [X]&nbsp;&nbsp;&nbsp;NO [&nbsp;&nbsp;]</P>

<P STYLE="font: 10pt/85% Times New Roman, Times, Serif; margin: 0">Indicate by check mark whether the registrant has submitted
electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (&sect; 232.405 of this
chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).</P>

<P STYLE="font: 10pt/85% Times New Roman, Times, Serif; margin: 0; text-align: center">YES [X]&nbsp;&nbsp;&nbsp;NO [&nbsp;&nbsp;]</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: left">Indicate by check mark if disclosure of delinquent
filers pursuant to Item 405 of Regulation S-K is not contained herein, and will not be contained to the best of registrant's knowledge
in definitive proxy or information statements incorporated by reference in Part III of this Form 10-K or any amendment to this
Form 10-K.&nbsp;&nbsp;[ ]</P>

<P STYLE="font: 10pt/85% Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/85% Times New Roman, Times, Serif; margin: 0">Indicate by check mark whether the registrant is a large accelerated
filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions
of &quot;large accelerated filer,&quot; &quot;accelerated filer,&quot; &quot;smaller reporting company&quot; and &#8220;emerging
growth company&#8221; in Rule 12b-2 of the Exchange Act:</P>

<P STYLE="font: 10pt/85% Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 17%; border: Black 1pt solid; padding-right: -0.9pt">Large accelerated filer [&nbsp;&nbsp;]</TD>
    <TD STYLE="width: 18%; border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: -0.9pt">Accelerated filer [&nbsp;&nbsp;]</TD>
    <TD STYLE="width: 25%; border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: -0.9pt">Non-accelerated filer [&nbsp;&nbsp;]<BR>
<BR></TD>
    <TD STYLE="width: 21%; border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: -0.9pt">Smaller reporting company [X]</TD>
    <TD STYLE="width: 19%; border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: -0.9pt">Emerging growth company [&nbsp;&nbsp;]</TD></TR>
</TABLE>
<P STYLE="font: 10pt/85% Times New Roman, Times, Serif; margin: 0">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 13(a) of the Exchange Act.[ ]</P>

<P STYLE="font: 10pt/85% Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/85% Times New Roman, Times, Serif; margin: 0">Indicate by check mark whether the registrant is a shell company
(as defined in Rule 12b-2 of the Act).</P>

<P STYLE="font: 10pt/85% Times New Roman, Times, Serif; margin: 0; text-align: center">YES [ ]&nbsp;NO [X]</P>

<P STYLE="font: 10pt/85% Times New Roman, Times, Serif; margin: 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt/85% Times New Roman, Times, Serif; margin: 0">The aggregate market value of the voting and non-voting common
stock held by non-affiliates of the registrant as of the last business day of the registrant's most recently completed second fiscal
quarter, based upon the closing sale price of the registrant's common stock on June 30, 2018 as reported on NYSE American, was
approximately $22,719,000.</P>

<P STYLE="font: 10pt/85% Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/85% Times New Roman, Times, Serif; margin: 0">There were 58,160,718 shares of common stock, $0.01 par value,
outstanding on February 28, 2019.</P>

<P STYLE="font: 10pt/85% Times New Roman, Times, Serif; margin: 0; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 10pt/85% Times New Roman, Times, Serif; margin: 0; text-align: center"><B>DOCUMENTS INCORPORATED BY REFERENCE</B></P>

<P STYLE="font: 10pt/85% Times New Roman, Times, Serif; margin: 0; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 10pt/85% Times New Roman, Times, Serif; margin: 0">Portions of the definitive Proxy Statement for the Registrant&#8217;s
Annual Meeting of Shareholders, which is expected to be filed by April 30, 2019, have been incorporated by reference into Part
III of this Annual Report on Form 10-K.</P>

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<P STYLE="font: 10pt/85% Times New Roman, Times, Serif; margin: 0"><A NAME="toc"></A><B><U>TABLE OF CONTENTS</U></B></P>

<P STYLE="font: 10pt/85% Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; width: 100%; font: 10pt Times New Roman, Times, Serif">
<TR STYLE="vertical-align: bottom">
    <TD STYLE="text-align: justify">&nbsp;</TD><TD STYLE="font-size: 12pt; font-weight: bold">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="font-size: 12pt; font-weight: bold; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Page</FONT></TD></TR>
<TR STYLE="vertical-align: bottom">
    <TD STYLE="text-align: justify">PART 1</TD><TD STYLE="font: bold 12pt Courier New, Courier, Monospace">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="font: bold 12pt Courier New, Courier, Monospace; text-align: right">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="width: 70%; font-weight: bold; text-align: justify; padding-left: 5.4pt">Item 1&nbsp;&nbsp;&nbsp;Business</TD><TD STYLE="width: 10%; font-weight: normal">&nbsp;</TD>
    <TD STYLE="width: 1%; font-weight: normal; text-align: left">&nbsp;</TD><TD STYLE="width: 18%; font-weight: normal; text-align: right">3</TD><TD STYLE="width: 1%; font-weight: normal; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="font-weight: bold; text-align: justify; padding-left: 5.4pt">Item 1A Risk Factors</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">6</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="font-weight: bold; text-align: justify; padding-left: 5.4pt">Item 1B Unresolved Staff Comments</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">11</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="font-weight: bold; text-align: justify; padding-left: 5.4pt">Item 2 &nbsp;&nbsp;&nbsp;Properties</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">11</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="font-weight: bold; text-align: justify; padding-left: 5.4pt">Item 3 &nbsp;&nbsp;&nbsp;Legal Proceedings</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">25</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="font-weight: bold; text-align: justify; padding-left: 5.4pt">Item 4 &nbsp;&nbsp;&nbsp;Mine Safety Disclosures</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">25</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="text-align: justify; padding-left: 5.4pt">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: justify; padding-left: 5.4pt">PART II</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="font-weight: bold; text-align: justify; padding-left: 5.4pt">Item 5 &nbsp;&nbsp;&nbsp;Market for Registrant's Common Equity, Related Stockholder Matters and Issuer</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="font-weight: bold; text-align: justify; padding-left: 5.4pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Purchases of Equity Securities</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">26</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="font-weight: bold; text-align: justify; padding-left: 5.4pt">Item 6 &nbsp;&nbsp;&nbsp;Selected Financial Data</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">28</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="font-weight: bold; text-align: justify; padding-left: 5.4pt">Item 7 &nbsp;&nbsp;&nbsp;Management's Discussion and Analysis of Financial Condition and</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="font-weight: bold; text-align: justify; padding-left: 5.4pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Results of Operations</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">29</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="font-weight: bold; text-align: justify; padding-left: 5.4pt">Item 7A&nbsp;&nbsp;Quantitative and Qualitative Disclosures about Market Risk</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">37</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="font-weight: bold; text-align: justify; padding-left: 5.4pt">Item 8 &nbsp;&nbsp;&nbsp;Financial Statements and Supplementary Data</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">38</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="font-weight: bold; text-align: justify; padding-left: 5.4pt">Item 9 &nbsp;&nbsp;&nbsp;Changes in and Disagreements with Accountants on Accounting and</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="font-weight: bold; text-align: justify; padding-left: 5.4pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Financial Disclosure</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">59</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="font-weight: bold; text-align: justify; padding-left: 5.4pt">Item 9A &nbsp;Controls and Procedures</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">59</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="font-weight: bold; text-align: justify; padding-left: 5.4pt">Item 9B &nbsp;Other Information</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">59</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: justify; padding-left: 5.4pt">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="text-align: justify; padding-left: 5.4pt">PART III</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="font-weight: bold; text-align: justify; padding-left: 5.4pt">Item 10 &nbsp;&nbsp;&nbsp;Directors, Executive Officers and Corporate Governance</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">60</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="font-weight: bold; text-align: justify; padding-left: 5.4pt">Item 11 &nbsp;&nbsp;&nbsp;Executive Compensation</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">60</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="font-weight: bold; text-align: left; padding-left: 5.4pt">Item 12&nbsp;&nbsp;&nbsp;&nbsp;Security Ownership of Certain Beneficial Owners and Management and Related <BR> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Stockholder Matters</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">60</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="font-weight: bold; text-align: justify; padding-left: 5.4pt">Item 13 &nbsp;&nbsp;&nbsp;Certain Relationships and Related Transactions, and Director Independence</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">60</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="font-weight: bold; text-align: justify; padding-left: 5.4pt">Item 14 &nbsp;&nbsp;&nbsp;Principal Accounting Fees and Services</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">60</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="text-align: justify; padding-left: 5.4pt">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: justify; padding-left: 5.4pt">PART IV</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="font-weight: bold; text-align: justify; padding-left: 5.4pt">Item 15 &nbsp;&nbsp;&nbsp;Exhibits, Financial Statement Schedules</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">61</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="font-weight: bold; text-align: justify; padding-left: 5.4pt">Item 16 &nbsp;&nbsp;&nbsp;Form 10-K Summary</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">61</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="text-align: justify; padding-left: 5.4pt">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: justify; padding-left: 5.4pt">SIGNATURES</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">62</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
</TABLE>

<P STYLE="font: 10pt/85% Times New Roman, Times, Serif; margin: 0; text-align: justify"></P>

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<P STYLE="font: 10pt/85% Times New Roman, Times, Serif; margin: 0; text-align: justify"><B><U>PART I</U></B></P>

<P STYLE="font: 10pt/85% Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: left; text-indent: 0.5in">This Annual Report on Form&nbsp;10-K
contains statements that constitute &quot;forward-looking statements&quot; within the meaning of section&nbsp;27A of the Securities
Act of 1933 and section&nbsp;21E of the Securities Exchange Act of 1934, as amended (the &#8220;Exchange Act&#8221;). These statements
can be identified by the fact that they do not relate strictly to historical information and include the words &quot;expects&quot;,
&quot;believes&quot;, &quot;anticipates&quot;, &quot;plans&quot;, &quot;may&quot;, &quot;will&quot;, &quot;intend&quot;, &quot;estimate&quot;,
&quot;continue&quot; or other similar expressions. These forward-looking statements are subject to various risks and uncertainties
that could cause actual results to differ materially from those currently anticipated. These risks and uncertainties include, but
are not limited to, items discussed below in Item 1A &quot;Risk Factors&quot; in this Form 10-K. Forward-looking statements speak
only as of the date made. We undertake no obligation to publicly release or update forward-looking statements, whether as a result
of new information, future events or otherwise. You are, however, advised to consult any further disclosures we make on related
subjects in our quarterly reports on Form 10-Q and any reports made on Form 8-K to the United States Securities and Exchange Commission
(the &quot;SEC&quot;).</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0 4.5pt; text-indent: -4.5pt"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B>Item 1. <U>Business</U></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">Business and Company Formation</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Solitario Zinc Corp. (&#8220;Solitario&#8221;
or the &#8220;Company&#8221;) is an exploration stage company as defined in Industry Guide 7, as issued by the United States Securities
and Exchange Commission (&#8220;SEC&#8221;). Solitario was incorporated in the state of Colorado on November 15, 1984 as a wholly-owned
subsidiary of Crown Resources Corporation (&quot;Crown&quot;). In July 1994, Solitario became a publicly traded company on the
Toronto Stock Exchange (the &quot;TSX&quot;) through its initial public offering. Solitario has been actively involved in mineral
exploration since 1993. Solitario&#8217;s primary business is to acquire exploration mineral properties and/or discover economic
deposits on its mineral properties and advance these deposits, either on its own or through joint ventures, up to the development
stage. At that point, or sometime prior to that point, Solitario would likely attempt to sell its mineral properties, pursue their
development either on its own, or through a joint venture with a partner that has expertise in mining operations, or create a royalty
with a third party that continues to advance the property. Solitario has never developed a property. Although Solitario has owned
exploration projects in both precious and base metals in the past, Solitario&#8217;s current focus is on the acquisition and exploration
of zinc-related exploration mineral properties. However, Solitario may still evaluate and/or acquire other precious metal projects
as part of its overall mineral property activity. In addition to focusing on its mineral exploration properties and the evaluation
of mineral properties for acquisition, Solitario also evaluates potential strategic transactions for the acquisition of new precious
and base metal properties and assets with exploration potential or business combinations that Solitario determines to be favorable
to Solitario.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">In July 2017 Solitario completed the acquisition
of Zazu Metals Corp. (&#8220;Zazu&#8221;) whereby Solitario issued 19,788,177 shares of its common stock for all the issued and
outstanding common shares of Zazu (the &#8220;Acquisition&#8221;). Zazu had one primary asset, its interest in the Lik project,
and the Acquisition was treated as an asset purchase.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Solitario has recorded revenue from the sale
of mineral properties, including the sale on April 26, 2018 of its interest in the royalty on the Yanacocha property (discussed
below), the sale in 2015 of its former interest in Mount Hamilton LLC the owner of Solitario&#8217;s former Mt. Hamilton project
(the &#8220;Mt. Hamilton Transaction&#8221;), joint venture property payments and the sale of a royalty on the former Mt. Hamilton
project. Revenues from the sale or joint venture of properties or assets, although significant when they occur, have not been a
consistent annual source of revenue and would only occur in the future, if at all, on an infrequent basis.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Solitario currently considers its carried interest
in the Florida Canyon project in Peru and its interest in the Lik project in Alaska to be its core mineral property assets. Nexa
Resources, Ltd. (&#8220;Nexa&#8221;), Solitario&#8217;s joint venture partner, initiated a 17,000-meter drilling program at Florida
Canyon during the fourth quarter of 2018 (discussed below), which is expected to be completed during 2019. Solitario is working
with its 50% joint venture partner, Teck American Inc., a wholly-owned subsidiary of Teck Resources Limited (both companies are
referred to in this Annual Report as &#8220;Teck&#8221;) and completed a limited exploration program at the Lik project during
2018 consisting of mapping, geophysical work, relogging of prior drilling core and environmental evaluation.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"><FONT STYLE="color: windowtext">As of December
31, 2018, Solitario has significant balances of cash and short-term investments that Solitario anticipates using, in part, to further
the development of the Florida Canyon and Lik projects and to potentially acquire additional mineral property assets. The</FONT>
fluctuations in precious metal and other commodity prices contribute to a challenging environment for mineral exploration and development,
which has created opportunities as well as challenges for the potential acquisition of early-stage and advanced mineral exploration
projects or other related assets at potentially attractive terms.</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"></P>




<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 30.6pt 0 0">Recent Developments</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">On April 26, 2018 Solitario sold its royalty
interest in the non-producing Yanacocha property (the &#8220;Yanacocha Royalty&#8221;) to a wholly owned subsidiary of Newmont
Mining Corporation (&#8220;Newmont&#8221;) for approximately $502,000 in cash. The Yanacocha Royalty covered 43 concessions totaling
36,052 hectares. Newmont owns the underlying mineral concessions covered by the Yanacocha Royalty. None of the concessions covered
by the Yanacocha Royalty have any reported reserves or resources. Solitario had no mineral property capitalized cost in the Yanacocha
Royalty and recorded Mineral Property Revenue of $502,000 during 2018.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">Corporate Structure</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">Solitario Zinc Corp. [Colorado]</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">- Zazu Metals Corp. [Canada] (100%)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">- Zazu Metals (AK) Corp [Alaska] (100%)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">- Lik Project (50%)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">- Minera Chambara, S.A. [Peru] (85%)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">- Chambara Project</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">- Minera Solitario Peru, S.A. [Peru] (100%)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">- Minera Bongar&aacute;, S.A. [Peru] (39%)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">- Florida Canyon Project</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">- Minera Soloco, S.A. [Peru] (100%)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">Mineral Exploration Properties</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">We hold a 50% operating interest in the Lik
zinc-lead-silver property in Northwest Alaska, which is estimated to contain a large tonnage, high-grade deposit potentially mineable
by open-pit methods. Teck is a 50% partner with Solitario in the Lik deposit, with Solitario acting as the project manager. A Preliminary
Economic Assessment (&#8220;PEA&#8221;) was completed on the Lik deposit in 2014.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Solitario&#8217;s other core asset is a 39%
interest in the advanced, high-grade, Florida Canyon zinc project located in northern Peru. The project has a significant mineral
resource and Solitario is fully carried to production by its joint venture partner Nexa, formerly Votorantim Metais Holdings, SA
(&#8220;Votorantim&#8221;) and Compa&ntilde;&iacute;a Minera Milpo S.A.A. (&#8220;Milpo&#8221;). Solitario and Nexa completed a
PEA on the Florida Canyon deposit in August 2017. Nexa is one of the largest zinc producers in Peru. Since inception of the Florida
Canyon joint venture in 2006, Nexa has funded 100% of project expenditures. Nexa will earn a 70% interest in the project by continuing
to solely fund all project expenditures, excluding a portion of the 2018-2019 drilling program, discussed below, and committing
to place the project into production based upon a positive feasibility study. After earning 70%, and at the request of Solitario,
Nexa has further agreed to finance Solitario's 30% participating interest for construction. Solitario will repay the loan facility
through 50% of its net cash flow distributions.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">In August of 2018, Solitario agreed to fund
a portion of a 2018 &#8211; 2019 drilling program at the Florida Canyon project. Per the agreement, Solitario will fund up to $1,580,000
of a planned 41-hole 17,000-meter drilling program to be conducted through December 31, 2019 (the &#8220;Drilling Program&#8221;).
Upon Nexa completing the first 1,700 meters of the Drilling Program, Solitario will pay Nexa $527,000, upon completion of the next
1,700 meters (3,400 meters total) of the Drilling Program, Solitario will pay Nexa $527,000, and upon completion of the third 1,700
meters (5,100 meters total) of the Drilling Program, Solitario will pay Nexa the balance remaining on its $1,580,000 funding commitment,
or $526,000. Solitario has no obligation to pay Nexa prior to the attainment of the separate 1,700-meter thresholds. The funding
commitments are in the form of an advance on Solitario&#8217;s commitment to fund 30% of any future construction development costs
of Florida Canyon under the original joint venture agreement discussed above. Accordingly, in the event the Florida Canyon project
is developed, which cannot be assured at this time, any funds paid to Nexa under this agreement will reduce the amount of Solitario&#8217;s
obligation to fund 30% of future development costs, and / or repay loans from Nexa for future development costs at the Florida
Canyon project. As of December 31, 2018, Nexa had completed four holes and a total of 2,203 meters under the Drilling Program,
and Solitario has recorded an account payable to Nexa of $527,000 and recorded a charge to exploration expense of $527,000.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">At December 31, 2018, Solitario
also owns the La Promesa gold exploration project. Solitario also holds an 85% interest in the Chambara exploration project in
Peru (Nexa holds the remaining 15%), and a 9.9% equity interest in Vendetta Mining Corp. (&#8220;Vendetta&#8221;).</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"></P>




<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Subsequent to December 31, 2018, on January
22, 2019, we announced the sale of our interests in a retained royalty on the Pedra Branca project in Brazil, a retained royalty
on non-producing exploration properties in Mexico, and an option to purchase a royalty on certain non-producing mineral claims
in Montana to SilverStream SEZC (&#8220;SilverStream&#8221;), a private Cayman Island royalty and streaming company for Cdn$250,000
in cash and a one-year promissory note from SilverStream for Cdn$350,000.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">We are conducting exploration and property evaluation
activities in Peru either on our own using contract geologists, or through joint ventures operated by our partners.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Our exploration activities and those of our
joint venture partners are carried out on a property-by-property basis. These activities may include prospecting, geologic mapping,
sampling, geophysics and drilling. When we determine that this work indicates a project may not be economic or contain sufficient
geologic or economic potential, we may impair or completely write-off the property. A significant factor in the success or failure
of our activities is the price of commodities. For example, when the price of zinc or other commodities is down, we may determine
that the value of our mineral exploration properties decreases; however, during such down markets it may also become easier and
less expensive to locate and acquire new mineral exploration properties.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">We have recorded revenue in the past from the
sale of mineral properties, joint venture property payments and the sale of a royalty on our formerly-held Mt. Hamilton property.
Proceeds from the sale or joint venture of properties, although potentially significant when they occur, have not been a consistent
source of cash and may only occur in the future, if at all, on an infrequent basis. Accordingly, while we conduct exploration activities
on our projects, we need to maintain and replenish our capital resources. Historically, we have met our need for capital through
(i) sale of our Yanacocha royalty to Newmont for $502,000 during 2018; (ii) proceeds received from the Mt. Hamilton Transaction;
(iii) sales of our shares of common stock of Vendetta and Kinross Gold Corporation (&#8220;Kinross&#8221;); (iv) borrowing in the
form of short-term margin debt secured by our investment in Kinross; (v) borrowing under long-term debt secured by our former Mt.
Hamilton project (vi) joint venture delay rental payments, including payments on our Florida Canyon project; (vii) a royalty sale
for $10,000,000 in 2012; (viii) issuances of common stock; (ix) sales of covered call options on our Kinross common stock; and
(x) interest on short term Treasury Notes and Bank CDs. In the past, we have reduced our exposure to the costs of our exploration
activities through the use of joint ventures.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">We operate in one segment: mineral exploration.
We currently conduct exploration activities in Peru and Alaska and evaluate properties for potential acquisition and evaluation
of strategic corporate opportunities throughout North and South America. As of February 28, 2019, we had four full-time employees
located in the United States and no full-time employees outside of the United States. We utilize contract managers, geologists,
administrators and laborers to execute our Latin American and North American project work and acquisition evaluations.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">A large number of companies are engaged in the
acquisition, exploration and development of mineral properties, many of which have substantially greater technical and financial
resources than we have and, accordingly, we may be at a disadvantage in being able to compete effectively for the acquisition,
exploration and development of mineral properties. We are not aware of any single competitor or group of competitors that dominate
the exploration and development of mineral properties. In acquiring mineral properties for exploration and development, we rely
on the experience, technical expertise and knowledge of our employees and advisors, which is limited by the size of our company
compared to many of our competitors who may have either more employees or employees with more specialized knowledge and experience.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">Governmental Regulations</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Mineral development and exploration activities
are subject to various national, state/provincial, and local laws and regulations, which govern prospecting, development, mining,
production, exports, taxes, labor standards, occupational health, waste disposal, protection of the environment, mine safety, hazardous
substances and other matters.&nbsp;&nbsp;Similarly, if any of our properties are developed and/or mined those activities are also
subject to significant governmental regulation and oversight. We are required to obtain the licenses, permits and other authorizations
in order to conduct our exploration programs.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">Environmental Regulations</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Our current and planned activities are subject
to various national and local laws and regulations governing protection of the environment. These laws are continually changing
and, in general, are becoming more restrictive. We are required to conduct our operations in compliance with applicable laws and
regulations. Changes to current local, state or federal laws and regulations in each jurisdiction in which we conduct our exploration
activities could, in the future, require additional capital expenditures and increased operating and/or reclamation costs. Although
we are unable to predict what additional legislation, if any, might be proposed or enacted, additional regulatory requirements
could impact the economics of our projects. During 2018, we had no material environmental incidents or non-compliance with any
applicable environmental regulations.</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 27pt">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">Financial Information about Geographic Areas</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Included in the consolidated balance sheets
at December 31, 2018 and 2017, are total assets of $416,000 and $73,000, respectively, related to Solitario's operations located
outside of the United States.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">Available Information</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">We file our Annual Report on Form 10-K, our
quarterly reports on Form 10-Q, current reports on Form 8-K, and any amendments to those reports electronically with the SEC. The
SEC maintains a website (http://www.sec.gov) that contains reports, proxy and information statements and other information regarding
registrants, including the Company, that file electronically with the SEC.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Paper copies of our Annual Report to Shareholders,
our Annual Report on Form 10-K, our quarterly reports on Form 10-Q, current reports on Form 8-K, and any amendments to those reports
are available free of charge by writing to Solitario at its address on the front of this Form 10-K. In addition, electronic versions
of the reports we file with the SEC are available on our website, www.solitarioxr.com as soon as practicable, after filing with
the SEC.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B>Item 1A. <U>Risk Factors</U></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">In addition to considering the other information
in this Form 10-K, you should consider carefully the following factors. The risks described below are the significant risks we
face and include all material risks of which we are aware. Additional risks not presently known to us or risks that we currently
consider immaterial may also adversely affect our business.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B><I>Our mineral exploration activities involve a high degree of
risk, and a significant portion of our business model envisions the sale or joint venture of mineral properties. If we are unable
to sell or joint venture these properties, the money spent on exploration may never be recovered and we could incur an impairment
of our investments in our projects. </I></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">The exploration for mineral deposits involves
significant financial and other risks over an extended period of time. Few properties that are explored are ultimately developed
into producing mines. Major expenditures are required to determine if any of our mineral properties may have the potential to be
commercially viable and be salable or joint ventured. Prior to completion of the feasibility study on our former Mt. Hamilton project,
we had never established reserves on any of our properties. Significant additional expense and risks, including drilling and determining
the feasibility of a project, are required prior to the establishment of reserves. It is impossible to ensure that the current
or proposed exploration programs on properties in which we have an interest will be commercially viable or that we will be able
to sell, joint venture or develop our properties. Whether a mineral deposit will be commercially viable depends on a number of
factors, some of which are the particular attributes of the deposit, such as its size and grade, costs and efficiency of the recovery
methods that can be employed, proximity to infrastructure, commodity prices, financing costs and governmental regulations, including
regulations relating to prices, taxes, royalties, infrastructure, land use, importing and exporting of mineral products and environmental
protection.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">We believe the data obtained from our own exploration
activities or our partners' activities to be reliable; however, the nature of exploration of mineral properties and analysis of
geological information is often subjective, and data and conclusions are subject to uncertainty. Even if exploration activities
determine that a project is commercially viable, it is impossible to ensure that such determination will result in a profitable
sale of the project or development either on our own or by a joint venture in the future and that such project will result in profitable
commercial mining operations. If we determine that capitalized costs associated with any of our mineral interests are not likely
to be recovered, we would incur an impairment of our investment in such property interest. All of these factors may result in losses
in relation to amounts spent, which are not recoverable. We have experienced losses of this type from time to time and may record
mineral property impairments in the future.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B><I>&nbsp;</I></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B><I>We have no reported proven and probable mineral reserves and
none of our current projects are likely to be monetized in the near future and any projects we may acquire are not likely to offer
the opportunity for near term revenues or sale proceeds, and if we are unsuccessful in identifying mineral reserves in the future,
we may not be able to realize any profit from these property interests. </I></B></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B><I></I></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">None of our current projects have reported
proven and probable mineral reserves as those terms are used in SEC Guide 7. Any mineral reserves on these projects will only
come from extensive additional exploration, engineering and evaluation of existing or future mineral properties. The lack of reserves
on these mineral properties could prohibit us from any near-term sale or joint venture of our mineral properties and we would
not be able to realize any proceeds and or profit from our interests in such mineral properties, which could materially adversely
affect our financial position or results of operations.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B><I>Mineral exploration activities are inherently dangerous and
could cause us to incur significant unexpected costs, including legal liability for loss of life, damage to property and environmental
damage, any of which could materially adversely affect our financial position or results of operations. </I></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Mining exploration operations are subject to
the hazards and risks normally related to exploration of a mineral deposit, including, but not limited to mapping and sampling,
drilling, road building, trenching, assaying and analyzing rock samples, transportation over primitive roads or via small contract
aircraft or helicopters and severe weather conditions. Any of the hazards of mining exploration could result in damage to life
or property, environmental damage and possible legal liability for such damage. Any of these risks could cause us to incur significant
unexpected costs that could have a material adverse effect on our financial condition and ability to finance our exploration and
development activities.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B><I>&nbsp;</I></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B><I>We have a history of losses and if we do not operate profitably
in the future it could have a material adverse effect on our financial position or results of operations and the trading price
of our common stock would likely decline. </I></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">We have reported losses in 22 of our 25 years
of operations. We can provide no assurance that we will be able to operate profitably in the future or begin to generate significant
and consistent sources of revenues or cash flows from operations. We have had net income in only three years in our history; during
2015, as a result of the Mt. Hamilton Transaction, during 2003, as a result of a $5,438,000 gain on a derivative instrument related
to our investment in certain Crown warrants and during 2000, when we sold our former Yanacocha property. We cannot predict when,
if ever, we will be profitable again or able to begin generating consistent revenues or cash flows from our operations or assets.
If we do not operate profitably or identify and execute on outside sources of funding, we may be unable to fund our current or
contemplated exploration activities, acquire new assets, or otherwise further our business plan.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B><I>&nbsp;</I></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B><I>Our operations outside of the United States of America may
be adversely affected by factors outside of our control, such as changing political, local and economic conditions, any of which
could materially adversely affect our financial position or results of operations. </I></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Our mineral properties located in Latin America
consist primarily of mineral concessions granted by national governmental agencies and are held 100% by us or in conjunction with
our joint venture partners, or under lease, option or purchase agreements. Certain of our mineral properties are located in Peru
and we have held royalties on non-producing exploration properties in Mexico, Brazil and Montana (U.S.) through January 22, 2019
when they were sold. We act as operator on all of our mineral properties or assets that are not held in joint ventures or are royalty
interests. The success of projects held under joint ventures or royalty interests that are not operated by us are substantially
dependent on the joint venture partner, over which we have limited or no control.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Our exploration activities, mineral properties
and royalties located outside of the United States are subject to the laws of Peru, Mexico and Brazil and any other countries in
which we conduct business. Exploration and potential development activities in these countries are potentially subject to political
and economic risks, including:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 0 0.85in; text-indent: -0.25in"><FONT STYLE="font-family: Symbol; font-size: 10pt">&middot;</FONT><FONT STYLE="font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-size: 10pt">cancellation or renegotiation of contracts;</FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 0 0.85in; text-indent: -0.25in"><FONT STYLE="font-family: Symbol; font-size: 10pt">&middot;</FONT><FONT STYLE="font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-size: 10pt">disadvantages of competing against companies from countries that are not subject to US laws
and regulations, including the U.S. Foreign Corrupt Practices Act (&#8220;FCPA&#8221;);</FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 0 0.85in; text-indent: -0.25in"><FONT STYLE="font-family: Symbol; font-size: 10pt">&middot;</FONT><FONT STYLE="font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-size: 10pt">changes in foreign laws or regulations;</FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 0 0.85in; text-indent: -0.25in"><FONT STYLE="font-family: Symbol; font-size: 10pt">&middot;</FONT><FONT STYLE="font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-size: 10pt">changes in tax laws;</FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 0 0.85in; text-indent: -0.25in"><FONT STYLE="font-family: Symbol; font-size: 10pt">&middot;</FONT><FONT STYLE="font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-size: 10pt">royalty and tax increases or claims by governmental entities, including retroactive claims;</FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 0 0.85in; text-indent: -0.25in"><FONT STYLE="font-family: Symbol; font-size: 10pt">&middot;</FONT><FONT STYLE="font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-size: 10pt">expropriation or nationalization of property;</FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 0 0.85in; text-indent: -0.25in"><FONT STYLE="font-family: Symbol; font-size: 10pt">&middot;</FONT><FONT STYLE="font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-size: 10pt">currency fluctuations (particularly related to declines in the U.S. dollar compared to local
currencies);</FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 0 0.85in; text-indent: -0.25in"><FONT STYLE="font-family: Symbol; font-size: 10pt">&middot;</FONT><FONT STYLE="font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-size: 10pt">foreign exchange controls;</FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 0 0.85in; text-indent: -0.25in"><FONT STYLE="font-family: Symbol; font-size: 10pt">&middot;</FONT><FONT STYLE="font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-size: 10pt">restrictions on the ability for us to hold U.S. dollars or other foreign currencies in offshore
bank accounts;</FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 0 0.85in; text-indent: -0.25in"><FONT STYLE="font-family: Symbol; font-size: 10pt">&middot;</FONT><FONT STYLE="font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-size: 10pt">import and export regulations;</FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 0 0.85in; text-indent: -0.25in"><FONT STYLE="font-family: Symbol; font-size: 10pt">&middot;</FONT><FONT STYLE="font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-size: 10pt">environmental controls; </FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 0 0.85in; text-indent: -0.25in"><FONT STYLE="font-family: Symbol; font-size: 10pt">&middot;</FONT><FONT STYLE="font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-size: 10pt">risks of loss due to community opposition to our activities, civil strife, acts of war, guerrilla
activities, insurrection and terrorism; and</FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 0 0.85in; text-indent: -0.25in"><FONT STYLE="font-size: 10pt"><FONT STYLE="font-family: Symbol">&middot;</FONT></FONT><FONT STYLE="font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-size: 10pt">other risks arising out of foreign sovereignty over the areas in which our exploration activities
</FONT><BR>
<FONT STYLE="font-size: 10pt">are&nbsp;conducted.</FONT></P>

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<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 0 0.85in"><FONT STYLE="font-size: 10pt"></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Accordingly, our current exploration activities
outside of the United States may be substantially affected by factors beyond our control, any of which could materially adversely
affect the value of certain of our assets or results of operations. Furthermore, in the event of a dispute arising from such activities,
we would likely be subject to the exclusive jurisdiction of courts outside of the United States or may not be successful in subjecting
persons to the jurisdictions of the courts in the United States, which could adversely affect the outcome of a dispute.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B><I>&nbsp;</I></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B><I>We may not have sufficient funding for exploration and development,
which may impair our profitability and growth. </I></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">The capital required for exploration and development
of mineral properties is substantial. In the past we have financed operations through the sale of interests in mineral properties,
including the Mt. Hamilton Transaction in 2015, the utilization of joint venture arrangements with third parties (generally providing
that the third party will obtain a specified percentage of our interest in a certain property or a subsidiary owning a property
in exchange for the expenditure of a specified amount), the sale of other assets, the sale of marketable equity securities we hold,
short-term margin loans, funds from the long-term debt, and the issuance of common stock. We may need to raise additional capital,
or enter into joint venture arrangements, in order to fund the exploration activities required to determine whether mineral deposits
on our projects are commercially viable. New financing or acceptable joint venture partners may or may not be available on a basis
that is acceptable to us. The inability to obtain new financing or joint venture partners on acceptable terms may prohibit us from
continued development or exploration of our mineral properties. Without the successful sale or future development of our mineral
properties through joint ventures, or on our own, we will not be able to realize any profit from our interests in such properties,
which could have a material adverse effect on our financial position and results of operations.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B><I>&nbsp;</I></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B><I>A large number of companies are engaged in the exploration
and development or sale of mineral properties, many of which have substantially greater technical and financial resources than
us and, accordingly, we may be unable to compete effectively in this sector of the mining industry which could have a material
adverse effect on our financial position or results of operations. </I></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">We are at a disadvantage with respect to many
of our competitors in the acquisition, exploration and development or sale of mining projects. Our competitors with greater financial
resources than us will be better able to withstand the uncertainties and fluctuations associated with sustained downturns in the
market and to acquire high quality exploration and mining properties when market conditions are favorable. In addition, we compete
with other companies in the mineral properties sector to attract and retain key executives and other employees with technical skills
and experience in the mineral exploration business. There can be no assurance that we will continue to attract and retain skilled
and experienced employees or to acquire additional exploration projects. The realization of any of these risks from competitors
could have a material adverse effect on our financial position or results of operations.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B><I>&nbsp;</I></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B><I>The title to our mineral properties may be defective or challenged
which could have a material adverse effect on our financial position or results of operations.</I></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">In connection with the acquisition of our mineral
properties, we conduct limited reviews of title and related matters, and obtain certain representations regarding ownership. These
limited reviews and representations do not necessarily preclude third parties from challenging our title and, furthermore, our
title may be defective. Consequently, there can be no assurance that we hold good and marketable title to all of our mineral interests.
Additionally, we have to make annual filings to various government agencies on all of our mineral properties. If we fail to make
such filings, or improperly document such filings, the validity of our title to a mineral property could be lost or challenged.
If any of our mineral interests were challenged, we could incur significant costs in defending such a challenge. These costs or
an adverse ruling with regards to any challenge of our titles could have a material adverse effect on our financial position or
results of operations.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B><I>&nbsp;</I></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B><I>Our operations could be negatively affected by existing laws
as well as potential changes in laws and regulatory requirements to which we are subject, including regulation of mineral exploration
and ownership, environmental regulations and taxation. </I></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">The exploration and development of mineral properties
is subject to federal, state, provincial and local laws and regulations in the countries in which they are located in a variety
of ways, including regulation of mineral exploration and land ownership, environmental regulation and taxation. These laws and
regulations, as well as future interpretation of or changes to existing laws and regulations, may require substantial increases
in capital and operating costs to us and delays, interruptions, or a termination of operations.</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"></P>




<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">In the United States and the other countries
in which we operate, in order to obtain permits for exploration or potential future development of mineral properties, environmental
regulations generally require a description of the existing environment, including but not limited to natural, archeological and
socio-economic environments, at the project site and in the region; an interpretation of the nature and magnitude of potential
environmental impacts that might result from such activities; and a description and evaluation of the effectiveness of the operational
measures planned to mitigate the environmental impacts. Currently, the expenditures to obtain exploration permits to conduct our
exploration activities are not material to our total exploration cost.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">The laws and regulations in all the countries
in which we operate are continually changing and are generally becoming more restrictive, especially environmental laws and regulations.
As part of our ongoing exploration activities, we have made expenditures to comply with such laws and regulations, but such expenditures
could substantially increase our costs to achieve compliance in the future. Delays in obtaining or failure to obtain government
permits and approvals or significant changes in regulation could have a material adverse effect on our exploration activities,
our ability to locate economic mineral deposits, and our potential to sell, joint venture or eventually develop our properties,
which could have a material adverse effect on our financial position or results of operations.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B><I>&nbsp;</I></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B><I>Occurrence of events for which we are not insured may materially
adversely affect our business.</I></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Mineral exploration is subject to risks of human
injury, environmental liability and loss of assets. We maintain limited insurance coverage to protect ourselves against certain
risks related to loss of assets for equipment in our operations and limited corporate liability coverage; however, we have elected
not to have insurance for other risks because of the high premiums associated with insuring those risks or for various other reasons
including those risks where insurance may not be available. There are additional risks in connection with investments in parts
of the world where civil unrest, war, nationalist movements, political violence or economic crisis are possible. These countries
may also pose heightened risks of expropriation of assets, business interruption, increased taxation and a unilateral modification
of concessions and contracts. We do not maintain insurance against political risk. Occurrence of events for which we are not insured
could have a material adverse effect on our financial position or results of operations.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B><I>&nbsp;</I></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B><I>Severe weather or violent storms could materially affect our
operations due to damage or delays caused by such weather. </I></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Our exploration activities are subject to normal
seasonal weather conditions that often hamper and may temporarily prevent exploration or development activities. There is a risk
that unexpectedly harsh weather or violent storms could affect areas where we conduct these activities. Delays or damage caused
by severe weather could materially affect our operations or our financial position.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B><I>&nbsp;</I></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B><I>Our business is dependent on the market price of certain commodities,
particularly zinc, and currency exchange rates over which we have no control. </I></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Our operations are significantly affected by
changes in the market price of commodities since the evaluation of whether a mineral deposit is commercially viable is heavily
dependent upon the market price of the commodities related to any specific project, such as gold or zinc. Because our core assets
are currently in zinc related projects, the spot price of zinc is particularly important to the value of our assets and future
prospects. The price of commodities also affects the value of exploration projects we own or may wish to acquire or joint venture.
These commodity prices fluctuate on a daily basis and are affected by numerous factors beyond our control. The supply and demand
for commodities, the level of interest rates, the rate of inflation, investment decisions by large holders of these commodities,
including governmental reserves, and stability of exchange rates can all cause significant fluctuations in prices. Currency exchange
rates relative to the United States dollar can affect the cost of doing business in a foreign country in United States dollar terms,
which is our functional currency. Consequently, the cost of conducting exploration in the countries where we operate, accounted
for in United States dollars, can fluctuate based upon changes in currency exchange rates and may be higher than we anticipate
in terms of United States dollars because of a decrease in the relative strength of the United States dollar to currencies of the
countries where we operate. We currently do not hedge against currency or commodity fluctuations. The prices of commodities as
well as currency exchange rates have fluctuated widely and future significant price declines in commodities or changes in currency
exchange rates could have a material adverse effect on our financial position or results of operations.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B><I>&nbsp;</I></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B><I>Our business is dependent on key executives and the loss of
any of our key executives could adversely affect our business, future operations and financial condition. </I></B></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"></P>




<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">We are dependent on the services of key executives,
including our Chief Executive Officer, Christopher E. Herald, our Chief Operating Officer, Walter H. Hunt, and our Chief Financial
Officer, James R. Maronick. All of those officers have many years of experience and an extensive background with Solitario and
in the mining industry in general. We may not be able to replace that experience and knowledge with other individuals. We do not
have &quot;Key-Man&quot; life insurance policies on any of our key executives. The loss of these persons or our inability to attract
and retain additional highly skilled employees may adversely affect our business, future operations and financial condition.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B><I>&nbsp;</I></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B><I>Our business model relies significantly on other companies
to joint venture our projects and we anticipate continuing this practice in the future. Therefore, our results are subject to the
additional risks associated with the financial condition, operational expertise and corporate priorities of our joint venture partners.
</I></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Our Florida Canyon project is joint-ventured
with another mining company that manages the exploration and development activities on the project and we are the minority-interest
party. Although our joint venture agreement provides certain voting rights and other minority-interest safeguards, the majority
partner not only manages operations, but controls most decisions, including budgets and scope and pace of exploration and development
activities. Consequently, we are highly dependent on the operational expertise and financial condition of our joint venture partner,
as well as its own corporate priorities. For instance, even though our joint venture property may be highly prospective for exploration
success, or economically viable based on feasibility studies, our partner may decide to not fund the further exploration or development
of our project based on their respective financial condition or other corporate priorities. Therefore, our results are subject
to the additional risks associated with the financial condition, operational expertise and corporate priorities of our joint venture
partners, which could have a material adverse effect on our financial position or results of operations. Our Lik project is equally
owned with another mining company and unanimous consent by the joint venture partners is required for annual budgets in excess
of $1.0 million. Consequently, development of the project could be delayed without the unanimous consent of both parties to certain
proposed actions or transactions.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B><I>We may look to joint venture with another mining company in
the future to develop and/or operate one of our foreign projects; therefore, in the future, our results may become subject to additional
risks associated with development and production of our foreign mining projects. </I></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">We are not currently involved in mining development
or operation at any of our properties. In order to realize a profit from our mineral interests we have to: (1) sell such properties
outright at a profit; (2) form a joint venture for the project with a larger mining company with greater resources, both technical
and financial, to further develop and/or operate a project at a profit; (3) develop and operate such projects at a profit on our
own; or (4) create and retain a royalty interest in a property with a third party that agrees to advance the property toward development
and mining. In the future, if our exploration results show sufficient promise in one of our foreign projects, we may either look
to form a joint venture with another mining company to develop and/or operate our projects or sell the property outright and retain
partial ownership or a retained royalty based on the success of such project. Therefore, in the future, our results may become
subject to the additional risks associated with development and production of mining projects in general.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B><I>&nbsp;</I></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B><I>In the future, we may attempt to acquire a new property or
another company and the acquisition may require a substantial amount of capital or the issuance of Solitario equity to complete.
Acquisition costs may never be recovered due to changing market conditions, or our own miscalculation concerning the recoverability
of our acquisition investment. Such an occurrence could adversely affect our business, future operations and financial condition.
</I></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">We have evaluated a wide variety of acquisition
opportunities involving mineral properties and companies for acquisition and we anticipate evaluating potential acquisition opportunities
in the future. Some of these opportunities may involve a substantial amount of capital or the issuance of Solitario equity to successfully
acquire. As many of these opportunities do not have reliable feasibility-level studies, we may have to rely on our own estimates
for investment analysis. Such estimates, by their very nature, contain substantial uncertainty. In addition, economic assumptions,
such as future costs and commodity prices, also contain significant uncertainty. Consequently, if we are successful in acquiring
any new opportunities and our estimates prove to be in error, either through miscalculations or changing market conditions, this
could have a material adverse effect on our financial position or results of operations.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B><I>&nbsp;</I></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B><I>The market for shares of our common stock has limited liquidity
and the market price of our common stock has fluctuated and may decline. </I></B></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B><I></I></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">An investment in our common stock involves a
high degree of risk. The liquidity of our shares, or the ability of a shareholder to buy or sell our common stock, may be significantly
limited for various unforeseeable periods. The average combined daily volume of our shares traded on the NYSE American and the
TSX during 2018 was approximately 104,000 </P>




<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">shares. The market price of our shares of common stock has historically
fluctuated within a wide range. The price of our common stock may be affected by many factors, including an adverse change in our
business, a decline in the price of zinc or other commodity prices, negative news on our projects, negative investment sentiment
for mining and commodity equities and general economic trends.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B><I>A significant portion of our liquid assets consist of U.S.
Treasuries and bank certificates of deposit. The failure of the financial institutions that issued or hold these financial instruments
could have a material adverse impact on the market price of our common stock and our liquidity and capital resources.</I></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">At December 31, 2018, we have invested approximately
$500,000 in separate, FDIC insured certificates of deposit with the maximum individual bank exposure of $250,000. Further, as of
December 31, 2018 we have invested $9,345,000 in United States Treasury securities, with maturities of between 15 days and 22 months
and we have approximately $495,000 of our cash in uninsured deposit accounts and brokerage accounts including $378,000 in a US
dollar bank savings account in Peru, none of which are covered by FDIC insurance. The failure of either Charles Schwab or the financial
institutions holding these funds and assets could have a material impact on the market price of our common stock and our liquidity
and capital resources.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B><I>We are dependent upon information technology systems, which
are subject to disruption, damage, failure and risks associated with implementation and integration. </I></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/11pt Times New Roman, Times, Serif; margin: 0; text-indent: 24.5pt">We are dependent upon information technology
systems in the conduct of our operations.&nbsp;Our information technology systems are subject to disruption, damage or failure
from a variety of sources, including, without limitation, computer viruses, security breaches, cyber-attacks, natural disasters
and defects in design.&nbsp;Cybersecurity incidents, in particular, are evolving and include, but are not limited to, malicious
software, attempts to gain unauthorized access to data and other electronic security breaches that could lead to disruptions in
systems, unauthorized release of confidential or otherwise protected information and the corruption of data. Various measures have
been implemented to manage our risks related to information technology systems and network disruptions. However, given the unpredictability
of the timing, nature and scope of information technology disruptions, we could potentially be subject to operational delays, the
compromising of confidential or otherwise protected information, destruction or corruption of data, security breaches, other manipulation
or improper use of our systems and networks or financial losses from remedial actions, any of which could have a material adverse
effect on our cash flows, competitive position, financial condition or results of operations.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B><I>&nbsp;</I></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B><I>Failure to comply with the FCPA could subject us to penalties
and other adverse consequences. </I></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">As a Colorado corporation, we are subject to
the FCPA and similar worldwide anti-bribery laws, which generally prohibit United States companies and their intermediaries from
engaging in bribery or other improper payments to foreign officials for the purpose of obtaining or retaining business. Foreign
companies, including some that may compete with our company, are not subject to U.S. laws and regulations, including the FCPA,
and therefore our exploration, development, production and mine closure activities are subject to the disadvantage of competing
against companies from countries that are not subject to these prohibitions.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">In addition, we could be adversely affected
by violations of the FCPA and similar anti-bribery laws in other jurisdictions. Corruption, extortion, bribery, pay-offs, theft
and other fraudulent practices may occur from time-to-time in the countries outside of the United States in which we operate. Our
mineral properties are located in countries that may have experienced governmental corruption to some degree and, in certain circumstances,
strict compliance with anti-bribery laws may conflict with local customs and practices. Our policies mandate compliance with these
anti-bribery laws; however, we cannot assure you that our internal controls and procedures always will protect us from the reckless
or criminal acts committed by our employees or agents. We can make no assurance that our employees or other agents will not engage
in such conduct for which we might be held responsible. If our employees or other agents are found to have engaged in such practices
or we are found to be liable for FCPA violations, we could suffer severe criminal or civil penalties or other sanctions and other
consequences that may have a material adverse effect on our business, financial condition and results of operations.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B>Item 1B. <U>Unresolved Staff Comments</U></B></P>

<P STYLE="font: 10pt/85% Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">None</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"></P>

<P STYLE="font: 10pt/85% Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 10pt/85% Times New Roman, Times, Serif; margin: 0"><B>Item 2. <U>Properties</U></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B>Florida Canyon Zinc Project (Peru)</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B></B></P>




<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">1. <U>Property Description and Location </U></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;<IMG SRC="bongara.jpg" ALT=""></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">(Map of Florida Canyon Property, formerly Bongara)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">On August 15, 2006, Solitario signed a Letter
Agreement with Votorantim Metais Cajamarquilla, S.A., a wholly-owned subsidiary of Votorantim (now known as Nexa) both companies
are referred to in this Item 2 as &quot;Nexa&#8221;) on Solitario's 100%-owned Florida Canyon zinc project (formerly called the
Bongar&aacute; project), On March 24, 2007, Solitario signed the Framework Agreement with Votorantim for the Exploration and Potential
Development of Mining Properties, pursuant to, and replacing, the Florida Canyon Letter Agreement. In 2015 Votorantim transferred
its interest in the Florida Canyon project to Compa&ntilde;&iacute;a Minera Milpo S.A.A. (&#8220;Milpo&#8221;), an 80%-owned affiliate
of Votorantim. In October of 2017, Milpo and Votorantim merged to form Nexa. Nexa completed an IPO raising $570 million and listed
on the NYSE under the trading symbol NEXA and the TSX under the trading symbol NEXA. For the remainder of this Florida Canyon property
section, all references to Votorantim, Milpo or Nexa will be collectively referred to as Nexa.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: left; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: left; text-indent: 0.5in">The Florida Canyon project
consists of 16 concessions comprising 12,600 hectares of mineral rights originally granted to Minera Bongar&aacute; S.A., our subsidiary
incorporated in Peru. The property is located in the Department of Amazonas, northern Peru. Solitario's and Nexa&#8217;s property
interests are held through the ownership of shares in Minera Bongar&aacute; S.A., a joint operating company that holds a 100% interest
in the mineral rights and other project assets. Solitario currently owns 39% of the Florida Canyon project.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: left">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">During 2015 Nexa completed the steps required
to earn a 61% interest in the Florida Canyon project, with Solitario retaining a 39% interest. Nexa may earn an additional 9% interest
(up to a 70% shareholding interest) in Minera Bongar&aacute; S.A., by sole-funding future annual exploration and development expenditures
until a production decision is made. The option to earn the 70% interest can be exercised by Nexa at any time by committing to
place the project into production based upon a completed feasibility study. Nexa is the project manager. Once Nexa has committed
to place the project into production based upon a feasibility study, it has further agreed to finance Solitario's 30% participating
interest until production with a loan facility from Nexa to Solitario. Solitario will repay this loan facility through 50% of Solitario's
cash flow distributions from the joint operating company, however, as described above, funds provided by Solitario in the Drilling
Program may serve to fund Solitario&#8217;s obligation to finance a portion of its 30% participating interest.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">According to Peruvian law, concessions may be
held indefinitely, subject only to payment of annual fees to the government. In June 2019, payments of approximately $289,000 to
the Peruvian government will be due in order to maintain the Florida Canyon mineral rights of Minera Bongar&aacute;. Nexa is responsible
for paying these costs as part of its earn-in expenditures. Peru imposes a sliding scale royalty varying from 1% to 12% of the
operating profit of a mining operation. The percentage royalty is determined by rule based on the operating margin; however, the
minimum royalty is 1% of the revenues.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">From time to time Nexa may enter into surface
rights agreements with individual landowners or communities to provide access for exploration work at the Florida Canyon project.
Generally, these are short-term agreements.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Environmental permits are required for exploration
and development projects in Peru that involve drilling, road building or underground mining. The requisite environmental and archeological
studies were completed for all past work, but new studies are required for expanded activities planned for future years at the
Florida Canyon project. Although we believe that these permits will be obtained in a timely fashion, the timing of government approval
of permits remains beyond our control.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">2. <U>Accessibility, Climate, Local Resources, Infrastructure and
Physiology</U></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">The Florida Canyon property is accessed from
the coastal city of Chiclayo by the paved Carretera Marginal road, which is a heavily travelled paved national highway that passes
approximately eight kilometers south of the deposit. The nearest town to the project is Pedro Ruiz located 15 kilometers southeast
of the property. The area of the majority of past drilling and the most prospective mineralization, Florida Canyon, was previously
inaccessible by road, the work to date having been done by either foot or helicopter access. Nexa has now completed approximately
30 kilometers of access road and Nexa is planning to complete the road access to the mineralized area of the project in 2019. Nexa
maintains project field offices in Pedro Ruiz and a drill core processing facility and operations office in the nearby community
of Shipasbamba.&nbsp;&nbsp;&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">The project area elevation ranges between 1,800
and 3,200 meters above sea level. The climate is tropical with an average annual temperature of approximately 25<SUP>o</SUP>C.
Mean annual rainfall exceeds one meter with up to two meters in the cloud forest at higher elevations. Most precipitation occurs
during the rainy season, between November and April. Field work is considerably more difficult in the rainy season. Topography
is steep, consisting of prominent escarpments and deep valleys.</P>




<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">Dense jungle or forest vegetation covers the project area. With
the exception of the partially completed access road and approximately 700 meters of tunneling, no infrastructure facilities have
been constructed within the project area.</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">3. <U>History</U></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">We discovered the Florida Canyon mineralized
zone of the Florida Canyon Project in 1996. Subsequently, we joint ventured the property in December 1996 to Cominco (now Teck).
Cominco drilled 80 core holes from 1997-2000. Cominco withdrew from the joint venture in February 2001, and Solitario retained
its 100% interest in the project. We maintained the claims from 2001 to 2006, until the Florida Canyon Letter Agreement was signed.
Nexa conducted surface drilling on an annual basis from 2006 to 2013 and underground tunneling and drilling from 2010 to 2013.
All significant work on the property has been conducted by our joint venture partners, Cominco and Nexa and is described below
in Section 5, &#8220;Prior Exploration.&#8221;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">4. <U>Geological Setting</U></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">The project is located within an extensive belt
of Mesozoic carbonate rocks belonging to the Upper Triassic to Lower Jurassic Pucar&aacute; Group and equivalents. This belt extends
through the central and eastern extent of the Peruvian Andes for nearly 1000 km and is the host for many polymetallic and base
metal vein and replacement deposits in the Peruvian Mineral Belt. Among these is the San Vicente Mississippi Valley Type (&#8220;MVT&#8221;)
zinc-lead deposit that has many similarities to the Florida Canyon deposit and other MVT occurrences in the Project area.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">The geology of the Florida Canyon area is relatively
simple consisting of a sequence of Jurassic and Triassic clastic and carbonate rocks which are gently deformed into a broad northwesterly
trending domal anticline. The MVT zinc-lead mineralization occurs in the carbonate facies of the Chambara (rock) Formation. This
domal anticline is cut on the west by the Sam Fault and to the east by the Tesoro-Florida Fault.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">5. <U>Prior Exploration</U></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">We conducted a regional stream sediment survey
and reconnaissance geological surveys leading to the discovery of the Florida Canyon area in 1996. The discovered outcropping mineralization
is located in two deeply incised canyons within the limestone stratigraphy.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Subsequent to our initial work, Cominco conducted
extensive mapping, soil and rock sampling, stream sediment surveys and drilling. This work was designed to determine the extent
and grade of the zinc-lead mineralization, the controls of mineral deposition and to identify areas of potential new mineralization.
Nexa began work in the fall of 2006 and drilled annually from 2006 through 2013. Underground exploration operations were conducted
from 2011-2013. Since 2013 the most important work conducted consisted of continued access road construction and metallurgical
testing. All work performed by us, Cominco, and Nexa was done by direct employees of the respective companies with the exception
of the drilling, underground tunneling, helicopter services and road building, all of which were performed by third-party contractors
under the direction of Cominco and Nexa.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">6. <U>Mineralization</U></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Mineralization occurs as massive to semi-massive
replacements of sphalerite and galena localized by specific sedimentary facies (rock strata) within the limestone stratigraphy
and by structural feeders and karst breccias. More than three-quarters of mineralization is sulfide-dominant with the remainder
being oxide-dominant. A total of 11 preferred beds for replacement mineralization have been located within the middle unit of the
Chambara Formation. Mineralization is associated with the conversion of limestone to dolomite, which creates porosity and permeability
within the rock formations, promoting the passage of mineralizing fluids through the rock formations forming stratigraphically
controlled near-horizontal manto deposits. Drilling of stratigraphic targets has shown that certain coarser-grained facies of the
stratigraphy are the best hosts for manto mineralization. Stratigraphically controlled mineralization is typically one to several
meters in thickness, but often attains thicknesses of five to ten meters.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">The laterally extensive manto deposits are strongly
related to, and potentially originate from, structurally controlled near-vertical conduits for mineralizing solutions. Replacement
deposits occur along these high-angle structures as well as in the stratigraphic mantos at Florida Canyon.</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"></P>




<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Karst features are localized along the feeder
faults and locally produce &quot;breakout zones&quot; where mineralization may extend vertically across thick stratigraphic intervals
where collapse breccias have been replaced by ore minerals. Mineralized karst structures are up to 50 meters in width (horizontal),
up to 100 meters vertically, and up to hundreds of meters along strike.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Evidence for these breakout zones is provided
by the following drill holes from various locations on the property:</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR STYLE="vertical-align: top; background-color: rgb(204,238,255)">
    <TD STYLE="width: 16%; border-top: black 1pt solid; border-left: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><B>Breakout</B><BR>
<B>Zone Name</B></TD>
    <TD STYLE="width: 16%; border-top: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><B>Drill Hole</B><BR>
<B>Number</B></TD>
    <TD STYLE="width: 16%; border-top: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><B>Intercepts</B><BR>
<B>(meters)</B></TD>
    <TD STYLE="width: 16%; border-top: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><B>Zinc</B><BR>
<B>%</B></TD>
    <TD STYLE="width: 16%; border-top: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><B>Lead</B><BR>
<B>%</B></TD>
    <TD STYLE="width: 20%; border-top: black 1pt solid; border-right: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><B>Zinc+Lead</B><BR>
<B>%</B></TD></TR>
<TR STYLE="background-color: White">
    <TD STYLE="vertical-align: top; border-left: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">Sam</TD>
    <TD STYLE="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">GC-17<BR>
FC-23</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 16.85pt; padding-left: 5.4pt; text-align: right">58.8<BR>
81.5</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 20.7pt; padding-left: 5.4pt; text-align: right">12.0<BR>
4.8</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 20.15pt; padding-left: 5.4pt; text-align: right">2.8<BR>
0.8</TD>
    <TD STYLE="vertical-align: bottom; border-right: black 1pt solid; padding-right: 19.1pt; padding-left: 5.4pt; text-align: right"><B>14.8</B><BR>
<B>5.6</B></TD></TR>
<TR STYLE="background-color: rgb(204,238,255)">
    <TD STYLE="vertical-align: top; border-left: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">Karen</TD>
    <TD STYLE="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">A-1</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 16.85pt; padding-left: 5.4pt; text-align: right">36.2</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 20.7pt; padding-left: 5.4pt; text-align: right">12.8</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 20.15pt; padding-left: 5.4pt; text-align: right">2.7</TD>
    <TD STYLE="vertical-align: bottom; border-right: black 1pt solid; padding-right: 19.1pt; padding-left: 5.4pt; text-align: right"><B>15.5</B></TD></TR>
<TR STYLE="background-color: White">
    <TD STYLE="vertical-align: top; border-left: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">North Zone</TD>
    <TD STYLE="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">V-21</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 16.85pt; padding-left: 5.4pt; text-align: right">92.0</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 20.7pt; padding-left: 5.4pt; text-align: right">5.5</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 20.15pt; padding-left: 5.4pt; text-align: right">1.7</TD>
    <TD STYLE="vertical-align: bottom; border-right: black 1pt solid; padding-right: 19.1pt; padding-left: 5.4pt; text-align: right"><B>7.2</B></TD></TR>
<TR STYLE="background-color: rgb(204,238,255)">
    <TD STYLE="vertical-align: top; border-left: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">South Zone</TD>
    <TD STYLE="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">V-44<BR>
V-169</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 16.85pt; padding-left: 5.4pt; text-align: right">28.3<BR>
51.6</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 20.7pt; padding-left: 5.4pt; text-align: right">15.2<BR>
7.1</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 20.15pt; padding-left: 5.4pt; text-align: right">0.8<BR>
0.7</TD>
    <TD STYLE="vertical-align: bottom; border-right: black 1pt solid; padding-right: 19.1pt; padding-left: 5.4pt; text-align: right"><B>16.0</B><BR>
<B>7.8</B></TD></TR>
<TR STYLE="background-color: White">
    <TD STYLE="vertical-align: top; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">San Jorge</TD>
    <TD STYLE="vertical-align: top; border-bottom: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">V-297</TD>
    <TD STYLE="vertical-align: bottom; border-bottom: black 1pt solid; padding-right: 16.85pt; padding-left: 5.4pt; text-align: right">56.6</TD>
    <TD STYLE="vertical-align: bottom; border-bottom: black 1pt solid; padding-right: 20.7pt; padding-left: 5.4pt; text-align: right">22.69</TD>
    <TD STYLE="vertical-align: bottom; border-bottom: black 1pt solid; padding-right: 20.15pt; padding-left: 5.4pt; text-align: right">1.15</TD>
    <TD STYLE="vertical-align: bottom; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 19.1pt; padding-left: 5.4pt; text-align: right"><B>23.84</B></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Dolomitization reaches stratigraphic thicknesses
in excess of 100 meters locally. This alteration is thought to be related to the mineralizing event and is an important exploration
tool. Continuity of the mineralization is demonstrable in areas of highest drilling density by correlation of mineralization within
characteristic sedimentary facies, typical of specific stratigraphic intervals or within through-going observable structural zones
in drill core. At Florida Canyon the high-angle mineralization occurs along well-defined northwest and northeast fracture systems.
These structures occur in conjugate fractures, with N10&ordm;-50&ordm;E trends present at a number of mineralized surface outcrops
while trends of N50&ordm;-80&ordm;W are identified at other showings.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">7. <U>Drilling</U></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">From 1997 through 2001, Cominco drilled 80 surface
core holes totaling 24,696 meters. From 2006-2013, Nexa completed 309 surface core holes totaling 77,193 meters. The majority of
Nexa&#8217;s surface drilling was infill drilling designed to demonstrate the continuity and geometry of mineralization, and to
a lesser extent, test for extensions of known mineralization. From 2011-2013, Nexa completed 95 underground core holes totaling
15,144 meters. The underground drilling was conducted from 10 drill stations at generally 40-meter centers (two drill stations
at 20-meter centers) and entirely within the San Jorge mineralized zone. Anywhere from three to 14 holes were drilled from each
of the ten drill stations. The underground drilling was tightly spaced and designed to allow for feasibility-level reserve estimation.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">In November 2018, Nexa re-initiated drilling
with two core rigs at Florida Canyon, as part of a 2018/2019 41-hole, 17,000-meter drilling program. The first phase of this drilling
campaign ended in late-December 2018 upon the onset of the rainy season when helicopter supported drilling became operationally
inefficient. Four holes were completed to planned target depth and a fifth hole was abandoned due to technical drilling problems.
Total meterage completed was 2,203 meters. All holes were located at the northern and northeastern margin of the previous drilling
footprint in the Karen-Milagros zone.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">All past drilling conducted is within a footprint
measuring approximately 2.5 kilometers long in a north-south direction and a little over a kilometer in an east-west direction.
The entire drill pattern is within what we have informally labeled the Florida Canyon district. Within this district, several zones
of strong zinc mineralization have been defined. The two zones with the largest amount of drilling are the San Jorge and the Karen-Milagros
zones. Drilling indicates that, for the most part, the entire Florida Canyon district remains open to expansion and the identified
zones are interconnected. Better 2013 drill-hole intercepts are provided in the table below:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR STYLE="vertical-align: top; background-color: rgb(204,238,255)">
    <TD COLSPAN="7" STYLE="border: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">Typical Mineralized Intersections</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD STYLE="width: 14%; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">Drill Hole</TD>
    <TD STYLE="width: 16%; border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">Surface or</TD>
    <TD STYLE="width: 14%; border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">Intercept</TD>
    <TD STYLE="width: 14%; border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">Zinc</TD>
    <TD STYLE="width: 14%; border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">Lead</TD>
    <TD STYLE="width: 14%; border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">Zinc + Lead</TD>
    <TD STYLE="width: 14%; border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">Silver</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,238,255)">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">Number</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">Underground</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">Meters</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">(%)</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">(%)</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">(%)</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">(grams/t)</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">V-378</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">Surface</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">&nbsp;&nbsp;7.7</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">14.62</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">&nbsp;&nbsp;2.11</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">16.73</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">&nbsp;15.69</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,238,255)">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">V-386</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">Surface</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">16.2</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">16.20</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">10.70</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">12.41</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">&nbsp;11.13</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">V-427</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">Surface</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">15.1</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">12.06</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">&nbsp;&nbsp;2.75</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">14.81</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">&nbsp;17.59</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,238,255)">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">V-436</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">Surface</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">17.0</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">11.74</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">&nbsp;&nbsp;1.08</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">12.81</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">&nbsp;18.48</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">V-451</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">Surface</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">30.7</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">13.06</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">&nbsp;&nbsp;4.97</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">18.03</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">&nbsp;32.64</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,238,255)">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">V-407</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">Underground</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">&nbsp;&nbsp;3.6</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">26.31</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">&nbsp;&nbsp;1.59</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">27.90</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">&nbsp;74.87</TD></TR>

<TR STYLE="vertical-align: top; background-color: White">
    <TD STYLE="width: 14%; border: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">V-432</TD>
    <TD STYLE="width: 16%; border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">Underground</TD>
    <TD STYLE="width: 14%; border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">21.1</TD>
    <TD STYLE="width: 14%; border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">&nbsp;&nbsp;8.31</TD>
    <TD STYLE="width: 14%; border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">&nbsp;&nbsp;1.71</TD>
    <TD STYLE="width: 14%; border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">10.02</TD>
    <TD STYLE="width: 14%; border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">&nbsp;12.11</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,238,255)">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">V-433</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">Underground</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">&nbsp;&nbsp;5.0</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">38.22</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">&nbsp;&nbsp;3.89</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">42.12</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">&nbsp;60.76</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">V-458</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">Underground</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">25.5</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">&nbsp;&nbsp;7.22</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">&nbsp;&nbsp;0.55</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">&nbsp;7.77</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">&nbsp;&nbsp;&nbsp;6.21</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,238,255)">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">V-465</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">Underground</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">10.7</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">45.60</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">&nbsp;&nbsp;5.25</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">50.84</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">106.71</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">8. <U>Sampling, Analysis and Security of Samples</U></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Core samples were transported from the drill
by helicopter in sealed boxes to the processing facility in Shipasbamba where they were cut with a diamond saw. Half of the core
was taken of intervals selected according to geologic criteria under the supervision of the geologist in charge and shipped in
sealed bags by land. Cominco used SGS Laboratories and Nexa used ALS-Chemex, both in Lima, Peru, where all samples were analyzed
by ICP. Any samples that contained greater than 1% zinc were then analyzed by wet chemistry assay for zinc and lead to provide
a more accurate analysis of grade.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Since 2006, Nexa has been in control of all
field activities on the project and is responsible for the security of samples. Nexa has indicated that there have been no breaches
in the security of the samples. We have reviewed and engaged SRK Consulting (USA) Inc. (&#8220;SRK&#8221;) (a large independent
international mining engineering firm) to review Nexa&#8217;s sampling procedures and believe that adequate procedures are in place
to ensure the future security and integrity of samples. No breaches of security of samples are known to have occurred prior to
Nexa&#8217;s work on the project.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">9. <U>Prefeasibility Studies</U></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Nexa, either through its engineering staff or
contracted independent mining engineering firms, has conducted prefeasibility-level studies to provide estimates of deposit size
and grade, mining and processing recoveries, sizing of appropriate scale of operations, infrastructure design, and capital and
operating cost estimates at a level of detail varying from preliminary economic assessment to feasibility levels. These studies
were generally performed between 2007 and 2014.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Solitario and Nexa jointly completed a PEA for
the entire project in 2017 that incorporated a variety of Nexa-generated studies into the analysis. The PEA evaluation included
resource estimation, mining and processing recovery estimates, a preliminary mining and processing plan, infrastructure layout,
environmental considerations and an economic analysis based on certain base case parameters. The PEA envisioned an underground
mining operation with a 2,500 tonne per day floatation mill for processing, resulting in a 12.5-year mine life. It was assumed
that concentrates would be trucked to Nexa&#8217;s Cajamarquilla zinc smelter facility in Lima Peru.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Metallurgical testing to evaluate metal recoveries
and various processing options for mineralized material at Florida Canyon was conducted in 2010, 2011 and 2014. Tests to date on
composited samples indicate zinc recoveries of 91.8% and lead recoveries of 81.9% in the San Jorge zone and zinc recoveries of
80.3% and lead recoveries of 71.7% in the Karen-Milagros zone. These recoveries represent averages for each zone based on sulfide
dominant mineralization, but oxide material was present in the tested samples. Nexa also conducted a comprehensive geochemical
testing program that demonstrated that zinc (and lead) recoveries were significantly affected by the Zn-sulfide/Zn-oxide ratio
of mineralization. In general, mineralized material with greater than an 80% ratio of Zn-sulfide/Zn-oxide, recoveries are greater
than 90% for Zn. Conversely, for mineralized material, with less than a 20% ratio of Zn-sulfide/Zn-oxide, recoveries are approximately
40% for Zn. Although sulfide recoveries achieved to date are very good, SRK suggests that optimization of processing and metallurgical
parameters may result in improved recoveries and concentrate grade.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Other prefeasibility work completed by Nexa
included drilling 16 diamond core holes in 2013 to evaluate geotechnical and hydrological parameters of the mineralized areas for
both engineering and environmental purposes. In 2016, Nexa completed a geochemical/metallurgical study that more accurately defined
the distribution of sulfide/oxide mineralization based on re-assaying of nearly all past drill-hole samples. This information was
critical in resource estimation and accurately estimating metal recoveries.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">The 2017 Florida Canyon Project PEA was completed
by SRK on behalf of Nexa and Solitario in August of 2017. The NI 43-101 compliant study entitled: &#8220;<I>Technical Report, Preliminary
Economic Assessment, Florida Canyon Zinc Project, </I></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><I>Amazonas Department, Peru; Effective Date: July 13, 2017, Report
Date: August 3, 2017</I>;&#8221; can be found in the Company&#8217;s Canadian Sedar filings and is furnished in the Company&#8217;s
U.S. Edgar filings.</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">10. <U>Reserves and Resources</U></P>




<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">There are no reported mineral reserves.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">11. <U>Mining Operations</U></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">No commercial mining operations to recover metals
have occurred on the project. However, in September 2010 Nexa initiated an underground tunneling program to access mineralization
and completed its underground work in 2013. As of December 31, 2018, 700 meters of tunneling were completed.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">12. <U>Planned Exploration and Development </U></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Nexa is planning to resume its 41-hole, 17,000-meter
drilling program at the end of the rainy season, expected sometime in April 2019. At that time, Nexa plans to accelerate drilling
operations utilizing up to four core rigs operating simultaneously to complete the remaining 37 drill holes. In addition, Nexa
plans to conduct additional road construction work in 2019 that includes completion of the access road into the mineralized area
of Florida Canyon and also an access road to a local community as part of their social commitment to the local communities.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B>Lik Project (Alaska)</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">1. <U>Property Description and Location</U></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><IMG SRC="image_002.jpg" ALT="" STYLE="height: 367px; width: 477px"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B>(Map of Lik Property)</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">The Lik property consists of 47 contiguous Alaska
state mining claims. The contiguous claims have been grouped together for the purpose of working and operating under a common plan
of development for the benefit of all of the claims. The claims cover an area of approximately 6,075 acres (2,460 ha). The claims
are located in the southwestern DeLong Mountains in the Wulik River drainage.</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">To retain the state claims, the Company is required
to make annual rental payments to the State of Alaska. The estimated rental payments for 2019 are $7,000. Property holders are
also required to perform assessment work with the amount dependent on the area of the State claims. Excess assessment expenditure
credits may be carried forward for a maximum of </P>




<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">four years. If required, payments may be made in lieu of work to
allow retention of the property for a period of five consecutive years. The geographical coordinates of the Lik deposit are approximately
163<SUP>o</SUP> 12&#8217; W and 68<SUP>o</SUP> 10&#8217; N. The figure above illustrates the location of the Lik property.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">2. <U>Acquisition History and Joint Venture Arrangement</U></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Solitario acquired its 50% interest in the Lik
property from the acquisition of Zazu on July 12, 2017. As a result of the Acquisition, Zazu became a wholly-owned subsidiary of
Solitario. Prior to that, Zazu acquired its 50% interest in the Lik property from GCO Minerals Company a wholly-owned subsidiary
of the International Paper Company (&#8220;GCO&#8221;), on June 28, 2007 by making a cash payment to GCO of $20,000,000 and granting
GCO a 2% net proceeds interest. GCO also owns an additional 1% net profits interest in the Lik property from a 1997 agreement.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">The Company is participating in the exploration
and possible development of the Lik property through a joint venture with Teck. The terms of the joint venture were governed by
the Lik Block Agreement, made as of January 27, 1983, between Houston Oil &amp; Minerals Exploration Company (&#8220;HOMEX&#8221;)
and GCO. HOMEX assigned its interest in the Lik Block Agreement to Echo Bay Mines Ltd., which, in turn, assigned such interest
to Teck.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Under the terms of the Lik Block Agreement,
GCO held a 50% interest, and the right to increase its interest to up to 80% provided that GCO met an inflation-adjusted work commitment.
The required expenditure amount was originally $25 million when defined in 1983 and increased with inflation indexing and escalations
to approximately $43 million at the time Solitario closed the Acquisition. As of January 27, 2018, we estimate approximately $22
million had been incurred towards the inflation adjusted $43 million expenditure required to earn an additional 30% interest in
the property.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">As the Company did not spend the full inflation-adjusted
expenditure amount by January 27, 2018, the Lik Block Agreement terminated. Consequently, as of December 31, 2018, Teck retains
its 50% participating interest in the Lik property, and Teck and Solitario are negotiating a new a joint operating agreement that
will governing all further operations relating to the Lik property. We anticipate that under such joint operating agreement, Solitario,
as successor to GCO, may be the operator and may have full and exclusive control of the Lik property, its facilities and production
as well as the exploration, development and mining undertaken pursuant to the Lik Block Agreement. The current agreement requires
unanimous approval by the parties for annual expenditures in excess of $1 million. In July 2018, the Company and Teck signed a
Joint Exploration Agreement whereby both parties agreed to fund a surface exploration program on a 50%-50% basis for 2018. However,
pending the completion of a new joint operating agreement, an extension to the Joint Exploration Agreement is expected to be signed
in 2019 to provide for the planned 2019 exploration program on the project. Teck was designated the operator for the 2018 program
and is expected to be the designated operator under the planned extension of the 2018 Joint Exploration Agreement for the upcoming
2019 program.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">3. <U>Accessibility, Climate, Local Resources, Infrastructure and
Physiology</U></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Access to the Lik property is by air to a gravel
surfaced airstrip located on the property. The airstrip is capable of handling multi-engine cargo planes. Charter flights may be
arranged from a number of sites in northwestern Alaska. The town of Kotzebue, which is located about 90 miles from the deposit,
is a seaport with commercial air service from Anchorage. Kotzebue is the center for access to the nearby Red Dog mine operated
by Teck.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">The nearest location for which climatic data
is available is the town of Kotzebue. The average annual temperature at Kotzebue is 21.6<SUP>o</SUP>F, with seasonal extremes ranging
between 77<SUP>o</SUP>F in summer to -58<SUP>o</SUP>F in winter. There is an average of nine inches of rain and 47 inches of snowfall
per year. Snow falls are not extreme but blowing snow may form significant drifts. Strong winds are common in most parts of Alaska.
Diamond drilling is possible at the Lik property between June&nbsp;and October.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">The exposures of mineralization at the Lik property
are located at about 800 feet above sea level. West of the deposit, the land rises steeply to peaks about 2,300 feet above sea
level. To the southeast, the land slopes down to the Wulik River where the bottom of the valley is about 700 feet above sea level.
There is sufficient space for tailings and waste rock disposal, and sufficient water is expected to be available for any proposed
processing. Locally, there is vegetation on the property consisting of tundra grasses and low brush made up of willow, dwarf birch,
and alder.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">There is a camp located on the Lik property.
The camp has been used periodically over the last twelve years and was substantially refurbished as a part the 2007 and 2008 field
programs. The supply of electric power and workforce accommodation will have to be developed. There are no local resources adjacent
to the Lik property. The Red Dog mine, operated by Teck, is located about 13.6 miles southeast of the deposit. Potentially, concentrates
could be moved along the access road from the Red Dog mine to the port on the Chukchi Sea. The port has a shipping season in excess
of 100&nbsp;days.</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"></P>




<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Zazu entered into an agreement with Alaska Industrial
Development and Export Agency (&#8220;AIDEA&#8221;) to enable AIDEA to begin due diligence on the proposed expansion of the port
and the Red Dog road, the Delong Mountain Transportation System (&#8220;DMTS&#8221;), to potentially handle Lik concentrates. AIDEA,
as owners of the DMTS, evaluated their possible role in the two parts of the proposed expansion project: the financing of a spur
road connecting the Lik project to the DMTS, and the financing of any required modifications at the port. The DMTS is open to multiple
users such as the Company. The studied expansion would facilitate both the development of the Lik project and handle future concentrate
production from the project. The DMTS road and port system currently handles all concentrate produced by the Red Dog zinc mine
of Teck. Prior to the AIDEA agreement, Zazu received a letter of Non-Objection from the Northwest Arctic Borough (&#8220;NWAB&#8221;).
In this letter, the NWAB formally acknowledged its awareness of the Lik project, and that NWAB had no objection to the project.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">In January 2015, AIDEA announced the completion
of its study into capacity availability in its DMTS. The report concluded that there is sufficient excess capacity for the Company&#8217;s
concentrate shipping needs, confirming the assumptions made in Zazu's 2014 PEA. This study aimed to closely identify the outputs
of both Lik and Red Dog, if any modifications are required to the DMTS to support them, and if so, their potential cost. The study
concluded that sufficient handling capacity will exist with only minor modifications required to accommodate future planned production
from Lik under the analyzed PEA scenario.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">4. <U>History</U></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">The Red Dog ore deposit was originally discovered
in 1970 by a geologist undertaking mapping in the De Long Mountains area on behalf of the United States Geological Survey. GCO,
in joint venture with New Jersey Zinc Company and WGM Inc., carried out stream geochemical sampling and reconnaissance for color
anomalies. Claims were staked in July 1976 to cover a stream geochemical anomaly on Lik Creek. HOMEX replaced New Jersey Zinc Company
in the joint venture in 1976/1977.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Diamond drilling on the Lik property commenced
in 1977 and targeted a gossan with a coincident soil and electromagnetic anomaly. The first hole encountered massive lead-zinc-silver-bearing
sulfides. By the end of 1977, the joint venture had completed 25 line-miles of ground geophysics, a soil sampling program, and
ten diamond drill holes with an aggregate depth of 5,260 feet. In 1978 and 1979, further geological, geochemical and geophysical
surveys were carried out, together with the drilling of another 93&nbsp;diamond drill holes aggregating 51,200 feet. A mineral
resource was estimated. The joint venture continued to work in the district in the period 1980 to 1983. However, only limited diamond
drilling activity continued on the Lik property. The Lik Block Agreement was signed in 1984.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">In 1984, Noranda optioned the GCO holding of
the Lik property. Much of Noranda&#8217;s activity was concentrated in the Lik North Area where ten diamond drill holes with an
aggregate depth of 13,710 feet were completed on four sections. Noranda also drilled holes in the Lik South deposit to better define
the deposit. Noranda released its interest in the Lik property after a re-organization of its holdings in the United States. From
1985 through June of 2007, when Zazu acquired its interest in the Lik property, only a limited amount of work was conducted at
Lik.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Zazu completed diamond drilling programs during
the 2007, 2008 and 2011 summer field seasons. From 2009 through 2014, Zazu conducted a suite of economic, engineering, environmental
and metallurgical studies on the Lik property, culminating with the completion of a Preliminary Economic Assessment in 2014.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">5. <U>Geological Setting</U></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">The regional geology of the Western Brooks Range
area is structurally complex. The sedimentary rocks of the area have been significantly disrupted by thrust sheets. The Lik property
and the other zinc-lead deposits of the Brooks Range, including Red Dog, are hosted in the Kuna Formation of the Lisburne Group.
In the Western Brooks Range, the Lisburne Group includes both deep and shallow water sedimentary facies and local volcanic rocks.
The rocks have been extensively disrupted by thrusting. The deep-water facies of the Lisburne Group, the Kuna Formation, are exposed
chiefly in the Endicott Mountains.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">On a district scale, the Lik property is hosted
in the Red Dog plate of the Endicott Mountains thrust sheet. The stratigraphically lowest rocks within the Red Dog plate belong
to the Kayak Shale. The top of the Kayak Shale is interbedded with rocks of the Kuna Formation. The Ikalukrok Unit has been divided
into a lower laminated black shale sub-unit and an upper medium- to thick-bedded black chert sub-unit. The Ikalukrok Unit hosts
all of the massive sulfide deposits in the area.</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"></P>




<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Locally, the Lik property is hosted in the upper
part of the Ikalukrok Unit of the Kuna Formation. The host rocks are carbonaceous and siliceous black shale, with subordinate black
chert and fine-grained limestone. These rocks strike broadly north-south and dip at about 25<SUP>o</SUP> to 40<SUP>o</SUP> to the
west. The massive sulfides are overlain conformably by rocks of the Siksikpuk Formation. The sequence is overridden by allochthonous
rocks that form high hills north and west of the deposits.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">The mineralized sequence is cut by a number
of faults. The most significant disruption is the Main Break Fault, which drops the northern end of the Lik deposit down about
500 feet. It is unclear whether there is a change in strike north of the fault, or whether the change is more apparent due to topography.
The Main Break Fault strikes east-west and dips north at about 60<SUP>o</SUP>. There is another group of steeper faults that tend
to strike northerly or northwesterly and which are interpreted as being both normal and reverse with throws of up to 330 feet.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">6. <U>Prior Exploration and the Results of the 2018 Exploration
Program</U></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">The Red Dog ore deposit was originally discovered
in 1970 by a geologist undertaking mapping in the De Long Mountains area on behalf of the United States Geological Survey. The
Lik deposit was discover by GCO in the mid-1970&#8217;s by following up on soil color and stream geochemical anomalies. From the
late 1970&#8217;s to 2011, various geochemical, geophysical and geologic activities were intermittently conducted to define drill
targets. The Lik property was sporadically drill tested from the late-1970&#8217;s to 2011 by seven different companies. Details
of these historical drilling campaigns are discussed above under the heading &#8220;History&#8221; and below under the heading
&#8220;Drilling.&#8221;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">The 2018 exploration program consisted of geologic
mapping, geochemical sampling, re-logging of old core and ground gravity geophysical surveying. The geologic mapping program resulted
in a better understanding of the stratigraphic and structural control of mineralization at Lik, and the potential trend of mineralization
to the north. Geochemical sampling indicates an area of elevated geochemistry to the north that requires further investigation.
The gravity survey results are somewhat uncertain, but may point to an area of interest, also to the north. Re-logging of old core
is expected to be completed in the second quarter of 2019.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">7. <U>Mineralization </U></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">The Lik deposit is a black shale-hosted stratiform
zinc-lead-silver sedimentary-exhalitive (SEDEX) deposit. Mineralization is syngenetic with respect to sediment deposition. Silicification
occurs within and peripheral to the main mass of sulfides. Major sulfides in decreasing order of abundance are pyrite-marcasite,
sphalerite and galena. The ore textures are massive, fragmental, chaotic, and veined; they rarely show typical sedimentary layering.
The portion of the ore body near the surface is oxidized. The deposit is continuous outside the Lik property onto the adjacent
100%-owned Teck property to the south. The southern continuation of the Lik deposit is referred to as the Su deposit, lying on
Teck&#8217;s Su property.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Within the Lik property, the deposit is divided
into two parts by the Main Break Fault. The main part of the deposit within the existing claims is referred to as the Lik South
deposit. As presently tested, the Lik South deposit has a surface footprint of about 3,600 feet long and about 2,000 feet wide.
It has been tested down dip to a depth of about 650 feet. The Lik South deposit remains open down dip. North of the Main Break
Fault, the Lik North deposit has a surface footprint of about 2,300 feet long and about 1,150 feet wide. It has been tested down
dip to a depth of about 1,000 feet. The Lik North deposit remains strongly open down dip and to the north.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">The deposits strike northerly and dip westerly
at about 25<SUP>o</SUP> to 40<SUP>o</SUP>. The mineralization comprises irregular, stratiform lenses. The mineralogy of the sulfides
is simple and comprises pyrite, marcasite, sphalerite, and galena. Gangue minerals include quartz (as chert), clay minerals, carbonate
and barite. Noranda recognized six different ore types in its logging of drill core. Typical grades of mineralized intersections
within the Lik deposit are listed in the table below:</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"></P>




<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR STYLE="vertical-align: bottom">
    <TD COLSPAN="7" STYLE="border-bottom: Black 1pt solid; padding-right: 0.1in; padding-bottom: 6pt; padding-left: 0.1in; text-align: center"><B>Typical Mineralized Intersections</B></TD></TR>
<TR STYLE="vertical-align: bottom; background-color: #D9D9D9">
    <TD STYLE="border-left: black 1pt solid; border-bottom: gray 1pt solid; border-right: gray 1pt solid; padding-right: 0.1in; padding-bottom: 6pt; padding-left: 0.1in"><B>Hole</B><BR>
<B>No.</B></TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: gray 1pt solid; padding-right: 0.1in; padding-bottom: 6pt; padding-left: 0.1in; text-align: center"><B>From</B><BR>
<B>(m)</B></TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: gray 1pt solid; padding-right: 0.1in; padding-bottom: 6pt; padding-left: 0.1in; text-align: center"><B>To</B><BR>
<B>(m)</B></TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: gray 1pt solid; padding-right: 0.1in; padding-bottom: 6pt; padding-left: 0.1in; text-align: center"><B>Length</B><BR>
<B>(m)</B></TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: gray 1pt solid; padding-right: 0.1in; padding-bottom: 6pt; padding-left: 0.1in; text-align: center"><B>Zn</B><BR>
<B>(%)</B></TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: gray 1pt solid; padding-right: 0.1in; padding-bottom: 6pt; padding-left: 0.1in; text-align: center"><B>Pb</B><BR>
<B>(%)</B></TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: black 1pt solid; padding-right: 0.1in; padding-bottom: 6pt; padding-left: 0.1in; text-align: center"><B>Ag</B><BR>
<B>(g/t)</B></TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="border-left: black 1pt solid; border-bottom: gray 1pt solid; border-right: gray 1pt solid; padding-right: 5.05pt; padding-bottom: 3pt; padding-left: 5.05pt; text-indent: -5.05pt">5&#9;</TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: gray 1pt solid; padding-right: 0.1in; padding-bottom: 3pt; padding-left: 0.1in; text-align: right">54.56</TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: gray 1pt solid; padding-right: 0.1in; padding-bottom: 3pt; padding-left: 0.1in; text-align: right">78.79</TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: gray 1pt solid; padding-right: 0.1in; padding-bottom: 3pt; padding-left: 0.1in; text-align: right">24.23</TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: gray 1pt solid; padding-right: 0.1in; padding-bottom: 3pt; padding-left: 0.1in; text-align: right">19.72</TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: gray 1pt solid; padding-right: 0.1in; padding-bottom: 3pt; padding-left: 0.1in; text-align: right">6.27</TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: black 1pt solid; padding-right: 0.1in; padding-bottom: 3pt; padding-left: 0.1in; text-align: right">126.5</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="border-left: black 1pt solid; padding: 3pt 5.05pt; border-bottom: gray 1pt solid; border-right: gray 1pt solid; text-indent: -5.05pt">16</TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: gray 1pt solid; padding-top: 3pt; padding-bottom: 3pt; text-align: right">80.16</TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: gray 1pt solid; padding-top: 3pt; padding-bottom: 3pt; text-align: right">94.49</TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: gray 1pt solid; padding-top: 3pt; padding-bottom: 3pt; text-align: right">14.33</TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: gray 1pt solid; padding-top: 3pt; padding-bottom: 3pt; text-align: right">21.67</TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: gray 1pt solid; padding-top: 3pt; padding-bottom: 3pt; text-align: right">&#9;7.01</TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: black 1pt solid; padding-top: 3pt; padding-bottom: 3pt; text-align: right">230.4</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="border-left: black 1pt solid; padding: 3pt 5.05pt; border-bottom: gray 1pt solid; border-right: gray 1pt solid; text-indent: -5.05pt">21</TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: gray 1pt solid; padding-top: 3pt; padding-bottom: 3pt; text-align: right">129.54</TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: gray 1pt solid; padding-top: 3pt; padding-bottom: 3pt; text-align: right">135.33</TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: gray 1pt solid; padding-top: 3pt; padding-bottom: 3pt; text-align: right">5.79</TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: gray 1pt solid; padding-top: 3pt; padding-bottom: 3pt; text-align: right">7.07</TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: gray 1pt solid; padding-top: 3pt; padding-bottom: 3pt; text-align: right">&#9;1.88</TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: black 1pt solid; padding-top: 3pt; padding-bottom: 3pt; text-align: right">8.6</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="border-left: black 1pt solid; padding: 3pt 5.05pt; border-bottom: gray 1pt solid; border-right: gray 1pt solid; text-indent: -5.05pt">24</TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: gray 1pt solid; padding-top: 3pt; padding-bottom: 3pt; text-align: right">40.87</TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: gray 1pt solid; padding-top: 3pt; padding-bottom: 3pt; text-align: right">50.14</TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: gray 1pt solid; padding-top: 3pt; padding-bottom: 3pt; text-align: right">9.27</TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: gray 1pt solid; padding-top: 3pt; padding-bottom: 3pt; text-align: right">11.09</TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: gray 1pt solid; padding-top: 3pt; padding-bottom: 3pt; text-align: right">&#9;1.44</TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: black 1pt solid; padding-top: 3pt; padding-bottom: 3pt; text-align: right">51.1</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="border-left: black 1pt solid; padding: 3pt 5.05pt; border-bottom: gray 1pt solid; border-right: gray 1pt solid; text-indent: -5.05pt">38</TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: gray 1pt solid; padding-top: 3pt; padding-bottom: 3pt; text-align: right">45.90</TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: gray 1pt solid; padding-top: 3pt; padding-bottom: 3pt; text-align: right">63.76</TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: gray 1pt solid; padding-top: 3pt; padding-bottom: 3pt; text-align: right">17.86</TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: gray 1pt solid; padding-top: 3pt; padding-bottom: 3pt; text-align: right">8.13</TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: gray 1pt solid; padding-top: 3pt; padding-bottom: 3pt; text-align: right">&#9;1.80</TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: black 1pt solid; padding-top: 3pt; padding-bottom: 3pt; text-align: right">48.0</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="border-left: black 1pt solid; padding: 3pt 5.05pt; border-bottom: gray 1pt solid; border-right: gray 1pt solid; text-indent: -5.05pt">38</TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: gray 1pt solid; padding-top: 3pt; padding-bottom: 3pt; text-align: right">70.53</TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: gray 1pt solid; padding-top: 3pt; padding-bottom: 3pt; text-align: right">87.75</TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: gray 1pt solid; padding-top: 3pt; padding-bottom: 3pt; text-align: right">17.22</TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: gray 1pt solid; padding-top: 3pt; padding-bottom: 3pt; text-align: right">8.92</TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: gray 1pt solid; padding-top: 3pt; padding-bottom: 3pt; text-align: right">&#9;2.08</TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: black 1pt solid; padding-top: 3pt; padding-bottom: 3pt; text-align: right">28.8</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="border-left: black 1pt solid; padding: 3pt 5.05pt; border-bottom: gray 1pt solid; border-right: gray 1pt solid; text-indent: -5.05pt">43</TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: gray 1pt solid; padding-top: 3pt; padding-bottom: 3pt; text-align: right">35.66</TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: gray 1pt solid; padding-top: 3pt; padding-bottom: 3pt; text-align: right">40.69</TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: gray 1pt solid; padding-top: 3pt; padding-bottom: 3pt; text-align: right">5.03</TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: gray 1pt solid; padding-top: 3pt; padding-bottom: 3pt; text-align: right">17.66</TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: gray 1pt solid; padding-top: 3pt; padding-bottom: 3pt; text-align: right">&#9;3.62</TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: black 1pt solid; padding-top: 3pt; padding-bottom: 3pt; text-align: right">8.6</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="border-left: black 1pt solid; padding: 3pt 5.05pt; border-bottom: gray 1pt solid; border-right: gray 1pt solid; text-indent: -5.05pt">43</TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: gray 1pt solid; padding-top: 3pt; padding-bottom: 3pt; text-align: right">60.96</TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: gray 1pt solid; padding-top: 3pt; padding-bottom: 3pt; text-align: right">80.28</TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: gray 1pt solid; padding-top: 3pt; padding-bottom: 3pt; text-align: right">19.32</TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: gray 1pt solid; padding-top: 3pt; padding-bottom: 3pt; text-align: right">9.07</TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: gray 1pt solid; padding-top: 3pt; padding-bottom: 3pt; text-align: right">&#9;2.49</TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: black 1pt solid; padding-top: 3pt; padding-bottom: 3pt; text-align: right">47.7</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="border-left: black 1pt solid; padding: 3pt 5.05pt; border-bottom: gray 1pt solid; border-right: gray 1pt solid; text-indent: -5.05pt">43</TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: gray 1pt solid; padding-top: 3pt; padding-bottom: 3pt; text-align: right">84.73</TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: gray 1pt solid; padding-top: 3pt; padding-bottom: 3pt; text-align: right">91.04</TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: gray 1pt solid; padding-top: 3pt; padding-bottom: 3pt; text-align: right">6.31</TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: gray 1pt solid; padding-top: 3pt; padding-bottom: 3pt; text-align: right">21.07</TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: gray 1pt solid; padding-top: 3pt; padding-bottom: 3pt; text-align: right">&#9;5.95</TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: black 1pt solid; padding-top: 3pt; padding-bottom: 3pt; text-align: right">111.4</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="border-left: black 1pt solid; padding: 3pt 5.05pt; border-bottom: black 1pt solid; border-right: gray 1pt solid; text-indent: -5.05pt">68</TD>
    <TD STYLE="border-bottom: black 1pt solid; border-right: gray 1pt solid; padding-top: 3pt; padding-bottom: 3pt; text-align: right">32.31</TD>
    <TD STYLE="border-bottom: black 1pt solid; border-right: gray 1pt solid; padding-top: 3pt; padding-bottom: 3pt; text-align: right">53.43</TD>
    <TD STYLE="border-bottom: black 1pt solid; border-right: gray 1pt solid; padding-top: 3pt; padding-bottom: 3pt; text-align: right">21.12</TD>
    <TD STYLE="border-bottom: black 1pt solid; border-right: gray 1pt solid; padding-top: 3pt; padding-bottom: 3pt; text-align: right">13.34</TD>
    <TD STYLE="border-bottom: black 1pt solid; border-right: gray 1pt solid; padding-top: 3pt; padding-bottom: 3pt; text-align: right">&#9;2.85</TD>
    <TD STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid; padding-top: 3pt; padding-bottom: 3pt; text-align: right">56.9</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Previous work by GCO determined that sulfides
were deposited in four distinct cycles. Individual cycles may be quite thin near the margins of the deposit and the thickest accumulation
in a single cycle noted to date is about 45 feet thick. The base of a sulfide cycle begins abruptly with the deposition of sphalerite,
galena and pyrite. Typically, the highest grades are found at or within 5-10 feet of the base of a sulfide cycle. In the central
portion of the deposit several cycles are stacked and comprise a cumulative thickness of up to 100 feet of mineralization.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">8. <U>Drilling</U></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">All diamond drill programs are summarized in
the following table.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR STYLE="vertical-align: bottom">
    <TD COLSPAN="4" STYLE="border-bottom: black 1pt solid; padding-right: 0.1in; padding-bottom: 6pt; padding-left: 0.1in; text-align: center"><B>Historical Diamond Drilling Campaigns</B></TD></TR>
<TR STYLE="vertical-align: bottom; background-color: #D9D9D9">
    <TD STYLE="border-left: black 1pt solid; border-bottom: gray 1pt solid; border-right: gray 1pt solid; padding-right: 0.1in; padding-bottom: 6pt; padding-left: 0.1in"><B>Year</B></TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: gray 1pt solid; padding-right: 0.1in; padding-bottom: 6pt; padding-left: 0.1in; text-align: center"><B>Number</B><BR>
<B>of Holes</B></TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: gray 1pt solid; padding-right: 0.1in; padding-bottom: 6pt; padding-left: 0.1in; text-align: center"><B>Aggregate</B><BR>
<B>Depth&nbsp;(m)</B></TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: black 1pt solid; padding-right: 0.1in; padding-bottom: 6pt; padding-left: 0.1in; text-align: center"><B>Company</B></TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="border-left: black 1pt solid; border-bottom: gray 1pt solid; border-right: gray 1pt solid; padding-right: 5.05pt; padding-bottom: 3pt; padding-left: 5.05pt; text-indent: -5.05pt">1977</TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: gray 1pt solid; padding-right: 0.1in; padding-bottom: 3pt; padding-left: 0.1in">&#9;10</TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: gray 1pt solid; padding-right: 0.1in; padding-bottom: 3pt; padding-left: 0.1in; text-align: left; vertical-align: middle">1,603.3</TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: black 1pt solid; padding-right: 0.1in; padding-bottom: 3pt; padding-left: 0.1in">Managed by WGM</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="border-left: black 1pt solid; padding: 3pt 5.05pt; border-bottom: gray 1pt solid; border-right: gray 1pt solid; text-indent: -5.05pt">1978</TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: gray 1pt solid; padding-top: 3pt; padding-bottom: 3pt">&#9;79</TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: gray 1pt solid; padding-top: 3pt; padding-bottom: 3pt">&#9;10,680.2</TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: black 1pt solid; padding-top: 3pt; padding-bottom: 3pt">Managed by WGM</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="border-left: black 1pt solid; padding: 3pt 5.05pt; border-bottom: gray 1pt solid; border-right: gray 1pt solid; text-indent: -5.05pt">1979</TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: gray 1pt solid; padding-top: 3pt; padding-bottom: 3pt">&#9;14</TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: gray 1pt solid; padding-top: 3pt; padding-bottom: 3pt">&#9;4,931.1</TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: black 1pt solid; padding-top: 3pt; padding-bottom: 3pt">Managed by GCO</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="border-left: black 1pt solid; padding: 3pt 5.05pt; border-bottom: gray 1pt solid; border-right: gray 1pt solid; text-indent: -5.05pt">1980</TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: gray 1pt solid; padding-top: 3pt; padding-bottom: 3pt">&#9;3</TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: gray 1pt solid; padding-top: 3pt; padding-bottom: 3pt">&#9;202.1</TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: black 1pt solid; padding-top: 3pt; padding-bottom: 3pt">Managed by GCO</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="border-left: black 1pt solid; padding: 3pt 5.05pt; border-bottom: gray 1pt solid; border-right: gray 1pt solid; text-indent: -5.05pt">1983</TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: gray 1pt solid; padding-top: 3pt; padding-bottom: 3pt">&#9;1</TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: gray 1pt solid; padding-top: 3pt; padding-bottom: 3pt">&#9;835.2</TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: black 1pt solid; padding-top: 3pt; padding-bottom: 3pt">Managed by GCO</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="border-left: black 1pt solid; padding: 3pt 5.05pt; border-bottom: gray 1pt solid; border-right: gray 1pt solid; text-indent: -5.05pt">1984</TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: gray 1pt solid; padding-top: 3pt; padding-bottom: 3pt">&#9;6</TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: gray 1pt solid; padding-top: 3pt; padding-bottom: 3pt">&#9;1,643.5</TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: black 1pt solid; padding-top: 3pt; padding-bottom: 3pt">Managed by GCO</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="border-left: black 1pt solid; padding: 3pt 5.05pt; border-bottom: gray 1pt solid; border-right: gray 1pt solid; text-indent: -5.05pt">1985</TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: gray 1pt solid; padding-top: 3pt; padding-bottom: 3pt">&#9;16</TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: gray 1pt solid; padding-top: 3pt; padding-bottom: 3pt">&#9;4,883.1</TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: black 1pt solid; padding-top: 3pt; padding-bottom: 3pt">Managed by Noranda</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="border-left: black 1pt solid; padding: 3pt 5.05pt; border-bottom: gray 1pt solid; border-right: gray 1pt solid; text-indent: -5.05pt">1987</TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: gray 1pt solid; padding-top: 3pt; padding-bottom: 3pt">&#9;1</TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: gray 1pt solid; padding-top: 3pt; padding-bottom: 3pt">&#9;696.5</TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: black 1pt solid; padding-top: 3pt; padding-bottom: 3pt">Managed by GCO</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="border-left: black 1pt solid; padding: 3pt 5.05pt; border-bottom: gray 1pt solid; border-right: gray 1pt solid; text-indent: -5.05pt">1990</TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: gray 1pt solid; padding-top: 3pt; padding-bottom: 3pt">&#9;3</TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: gray 1pt solid; padding-top: 3pt; padding-bottom: 3pt">&#9;263.4</TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: black 1pt solid; padding-top: 3pt; padding-bottom: 3pt">Managed by Moneta</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="border-left: black 1pt solid; padding: 3pt 5.05pt; border-bottom: gray 1pt solid; border-right: gray 1pt solid; text-indent: -5.05pt">1992</TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: gray 1pt solid; padding-top: 3pt; padding-bottom: 3pt">&#9;2</TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: gray 1pt solid; padding-top: 3pt; padding-bottom: 3pt">&#9;283.5</TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: black 1pt solid; padding-top: 3pt; padding-bottom: 3pt">Managed by GCO</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="border-left: black 1pt solid; border-bottom: gray 1pt solid; border-right: gray 1pt solid; padding-right: 5.05pt; padding-bottom: 6pt; padding-left: 5.05pt; text-indent: -5.05pt">2007</TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: gray 1pt solid; padding-right: 0.1in; padding-bottom: 6pt; padding-left: 0.1in; text-align: right">11</TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: gray 1pt solid; padding-right: 0.1in; padding-bottom: 6pt; padding-left: 0.1in; text-align: left; vertical-align: bottom">1,393.5</TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: black 1pt solid; padding-right: 0.1in; padding-bottom: 6pt; padding-left: 0.1in">Managed by Zazu</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="border-left: black 1pt solid; border-bottom: gray 1pt solid; border-right: gray 1pt solid; padding-right: 5.05pt; padding-bottom: 6pt; padding-left: 5.05pt; text-indent: -5.05pt">2008</TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: gray 1pt solid; padding-right: 0.1in; padding-bottom: 6pt; padding-left: 0.1in; text-align: right">58</TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: gray 1pt solid; padding-right: 0.1in; padding-bottom: 6pt; padding-left: 0.1in; text-align: left; vertical-align: bottom">6,827.5</TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: black 1pt solid; padding-right: 0.1in; padding-bottom: 6pt; padding-left: 0.1in">Managed by Zazu</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="border-left: black 1pt solid; border-bottom: gray 1pt solid; border-right: gray 1pt solid; padding-right: 5.05pt; padding-bottom: 6pt; padding-left: 5.05pt; text-indent: -5.05pt">2011</TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: gray 1pt solid; padding-right: 0.1in; padding-bottom: 6pt; padding-left: 0.1in; text-align: right">25</TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: gray 1pt solid; padding-right: 0.1in; padding-bottom: 6pt; padding-left: 0.1in; text-align: left; vertical-align: bottom">3,871.0</TD>
    <TD STYLE="border-bottom: gray 1pt solid; border-right: black 1pt solid; padding-right: 0.1in; padding-bottom: 6pt; padding-left: 0.1in">Managed by Zazu</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="border-left: black 1pt solid; border-bottom: black 1pt solid; border-right: gray 1pt solid; padding-right: 5.05pt; padding-bottom: 6pt; padding-left: 5.05pt; text-indent: -5.05pt">Totals</TD>
    <TD STYLE="border-bottom: black 1pt solid; border-right: gray 1pt solid; padding-right: 0.1in; padding-bottom: 6pt; padding-left: 0.1in; text-align: right">&#9;229</TD>
    <TD STYLE="border-bottom: black 1pt solid; border-right: gray 1pt solid; padding-right: 0.1in; padding-bottom: 6pt; padding-left: 0.1in; text-align: left; vertical-align: bottom">38,328.6</TD>
    <TD STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid; padding-right: 0.1in; padding-bottom: 6pt; padding-left: 0.1in">&nbsp;</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"></P>




<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Zazu completed two diamond drilling programs
during the 2007 and 2008 to further test the Lik South deposit and and to obtain samples for metallurgical testing. At the end
of 2008, most of the Lik South deposit had been tested on lines spaced at 200 ft. with holes spaced at about 100 ft.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-indent: 0.5in">The 2011 drilling program at Lik combined
exploration and development drilling. The exploration drilling focused on improving resource definition, in particular near the
transition zone between Lik South and Lik North and also Lik North. The development drilling focused on obtaining additional metallurgical
samples and geotechnical drilling for the open pit design and foundation information to assist in infrastructure design. By the
end of 2011, a total of approximately 38,328 meters (125,700 feet) of drilling in 229 holes had been completed on the Lik property
by the Company (Zazu) and the previous owners. No drilling has been completed on the Lik project since 2011.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">9. <U>Sampling, Analysis and Security of Samples</U></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">Pre-Zazu Drilling</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Core recoveries were typically high within the
massive sulfides, but lower, more variable recoveries were obtained in the unmineralized and weakly mineralized sections. The entire
core obtained from the Lik deposit, usually NQ-size, was logged on site. All of the core containing sulfide mineralization was
cut using diamond saws and half of the core was sent for assay. Reference samples were not included in the sample stream. Sample
lengths in massive sulfides were typically from two to three feet, but occasionally up to nine feet. Sample lengths were probably
controlled by geology and the location of depth markers in the core boxes.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Most of the samples were assayed by Bondar Clegg
Laboratory Group (&#8220;Bondar Clegg&#8221;) of Vancouver. At various times, the laboratory-maintained preparation facilities
in Anchorage and Fairbanks Alaska. In the initial years, when the bulk of the drilling was completed, it is believed that sample
preparation and analysis were carried out in Vancouver. Bondar Clegg was not a registered laboratory at that time. However, Bondar
Clegg was a recognized, reputable laboratory and was experienced in the use of atomic absorption spectrophotometry.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">As the entire core was logged and sampled in
an isolated field camp, security was not a major concern because access to the camp was closely controlled. It is noted that four
different companies (WGM, GCO, Noranda and Moneta) have completed drilling programs at the Lik property and all of them have obtained
consistent results. The work was considered completed to industry standards in use at the time of the work. Sample preparation
was completed in the assay laboratory.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">Zazu Drilling</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Drill core obtained during the 2007, 2008 and
2011 drilling campaigns was logged on site. The entire core containing sulfide mineralization was sawn using diamond saws and half
of the core was sent for assay. All massive and high-sulfide cores were sampled. Visual methods were used to select sample boundaries
and lengths. The mineralization at Lik is considered to be appropriately logged and sampled. It is not evident that logging or
sampling is leading to any bias in the sample results. An examination of logging showed that core recovery in sulfide areas was
generally very high.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Core drilled in 2007 was placed in the sample
bags, the air was evacuated and replaced with nitrogen. The samples were sent to Kotzebue by charter and then by licensed carrier
to Anchorage. The samples were stored under refrigeration in Anchorage. The samples were dispatched to G &amp; T Metallurgical
Services Ltd. (&#8220;G &amp; T&#8221;) of Kamloops, British Columbia, an ISO 9001:2000 certified laboratory for precious metals
and base metals. As well as completing metallurgical testing, G &amp; T crushed and analyzed the samples. The 2008 diamond drill
core was not required for metallurgical testing and core was handled normally. Sawn samples were securely bagged and boxed on site
and dispatched to a facility of ALS Laboratory Group (&#8220;ALS Chemex&#8221;) located in Fairbanks, Alaska, for sample preparation.
Transportation of the samples was through third-party companies that provided secure transportation services. The pulps were analyzed
at ALS Chemex located in Fairbanks or Elko, Nevada. Zazu did not participate in any part of the sample preparation or analysis
except for cutting core.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Check samples from the 2007 drilling program
and all samples from the 2008 drilling campaign were sent to the preparation and assaying facilities of ALS Chemex (ISO 17025 accreditation).
Other QA/QC procedures employed by Zazu included the use of blanks (unmineralized core from outside of the mineralized zone) and
quartered core duplicates. Zazu was unable to obtain acceptable reference samples for the 2007 field season and reference samples
were not included as part of the 2007 ongoing QA/QC program. Reproducibility between G &amp; T and ALS Chemex was found to be good.
A detailed description of QA/QC procedures can be found in the Solitario&#8217;s Canadian SEDAR filings and in the Company&#8217;s
US Edgar </P>




<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">filings: Technical Report; Zazu Metals Corporation, Lik Deposit,
Alaska, USA; Report Date: April 23, 2014; Effective Date: March 3, 2014; prepared by JDS Energy and Mining Inc (&#8220;JDS&#8221;).</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">10. <U>Prefeasibility Studies</U></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Zazu completed a Preliminary Economic Assessment
in 2014 that incorporated a variety of prefeasibility level studies into the analysis. These studies included resource estimation,
mining and processing recovery estimates, a preliminary mining and processing plan, infrastructure layout, environmental considerations
and an economic analysis based on the base case parameters. The PEA envisioned an open pit mining operation with a 5,500 ton per
day floatation mill for processing resulting in a nine-year mine life. Concentrates would be handled through the DMTS road and
port system that currently handles all concentrate produced by the nearby Red Dog zinc mine of Teck. A summary of metallurgical
testing and mineral processing is provided below. The PEA analyzed the Lik project as a stand-alone operation building its own
independent processing, tailings and port facilities.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Zazu engaged JDS to complete the PEA on the
Lik deposit in 2013. The NI 43-101 compliant study entitled: &#8220;<I>Technical Report; Zazu Metals Corporation, Lik Deposit,
Alaska, USA; Report Date: April 23, 2014; Effective Date: March 3, 2014</I>;&#8221; can be found in the Company&#8217;s Canadian
Sedar filings and is furnished in the Company&#8217;s U.S. Edgar filings. JDS is a Canadian independent and internationally recognized
mining engineering firm providing engineering services internationally.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">Metallurgical Testing and Mineral Processing</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">There have been five metallurgical test work
reports issued to date on the Lik ores. The most recent and comprehensive processing and metallurgical testing programs include
work performed by G&amp;T and by SGS. Samples collected during drilling in 2007 and 2008 were composited into one Master Composite
for testing at G&amp;T in 2008, and later testing by SGS was carried out in 2010 on the remainder of the Master Composite. These
key testing results have formed the basis for this economic evaluation of the Lik deposit. Results are summarized in the table
below:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: bold 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><U>Summary of SGS 2010 and G&amp;T 2008
Metallurgical Test Results</U></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="background-color: rgb(204,238,255)">
    <TD ROWSPAN="2" STYLE="white-space: nowrap; border-top: Black 2.25pt double; border-right: Black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt"><B>Test</B></TD>
    <TD ROWSPAN="2" STYLE="white-space: nowrap; border-top: Black 2.25pt double; border-right: Black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><B>Element</B></TD>
    <TD STYLE="white-space: nowrap; border-top: Black 2.25pt double; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><B>Feed</B></TD>
    <TD COLSPAN="2" STYLE="white-space: nowrap; border-top: Black 2.25pt double; border-right: black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><B>Lead Concentrate</B></TD>
    <TD COLSPAN="2" STYLE="white-space: nowrap; border-top: Black 2.25pt double; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><B>Zinc Concentrate</B></TD></TR>
<TR STYLE="background-color: White">
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><B>Grade</B></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><B>Grade</B></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><B>Recovery</B></TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><B>Grade</B></TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><B>Recovery</B></TD></TR>
<TR STYLE="background-color: rgb(204,238,255)">
    <TD ROWSPAN="3" STYLE="white-space: nowrap; width: 30%; border-bottom: black 1pt solid; border-right: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt">SGS 2010</TD>
    <TD STYLE="white-space: nowrap; width: 12%; border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">Pb%</TD>
    <TD STYLE="white-space: nowrap; width: 12%; border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">2.83</TD>
    <TD STYLE="white-space: nowrap; width: 9%; border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">52.00</TD>
    <TD STYLE="white-space: nowrap; width: 14%; border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">69.10</TD>
    <TD STYLE="white-space: nowrap; width: 9%; border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">1.88</TD>
    <TD STYLE="white-space: nowrap; width: 14%; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">9.70</TD></TR>
<TR STYLE="background-color: White">
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">Zn%</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">9.56</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">7.39</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">2.91</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">54.60</TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">83.10</TD></TR>
<TR STYLE="background-color: rgb(204,238,255)">
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">Ag gpt</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">37</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">55</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">5.5</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">68</TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">26.6</TD></TR>
<TR STYLE="background-color: White">
    <TD ROWSPAN="3" STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: black 2.25pt double; padding-right: 5.4pt; padding-left: 5.4pt">G&amp;T 2008</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">Pb%</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">2.36</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">70.30</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">70.3</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">1.57</TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">9.4</TD></TR>
<TR STYLE="background-color: rgb(204,238,255)">
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">Zn%</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">8.47</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">4.17</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">1.20</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">52.20</TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">86.9</TD></TR>
<TR STYLE="background-color: White">
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 2.25pt double; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">Ag gpt</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 2.25pt double; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">34</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 2.25pt double; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">68</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 2.25pt double; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">4.8</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 2.25pt double; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">64</TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 2.25pt double; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">26.9</TD></TR>
<TR STYLE="background-color: rgb(204,238,255)">
    <TD ROWSPAN="3" STYLE="border-right: Black 1pt solid; border-bottom: Black 2.25pt double; padding-right: 5.4pt; padding-left: 5.4pt">Average Used for Mass Balance and NSR Estimates</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">Pb%</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">2.60</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">61.15</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">69.7</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">1.73</TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">9.6</TD></TR>
<TR STYLE="background-color: White">
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">Zn%</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">9.02</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">5.78</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">2.06</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">53.40</TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">85.0</TD></TR>
<TR STYLE="background-color: rgb(204,238,255)">
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 2.25pt double; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">Ag gpt</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 2.25pt double; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">36</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 2.25pt double; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">62</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 2.25pt double; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">5.2</TD>
    <TD STYLE="white-space: nowrap; border-right: Black 1pt solid; border-bottom: Black 2.25pt double; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">66</TD>
    <TD STYLE="white-space: nowrap; border-bottom: Black 2.25pt double; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">26.8</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">The metallurgical flowsheet for this PEA includes
conventional crushing, grinding, and flotation processing methods. Run-of&#8211;Mine (ROM) ore will be delivered to a primary crushing
plant and stored in a coarse ore stockpile awaiting reclaim into the grinding circuit. Crusher ore will be reclaimed and delivered
to a two-stage grinding circuit equipped with a Semi-Autogenous Grinding (SAG) mill and a ball mill in closed circuit with cyclones.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Recoveries from these modeled methods and metallurgical
testing conducted to date are anticipated to be 85% of zinc to the zinc concentrate and 69.7% of the lead to the lead concentrate.
Silver is also recovered and payable at times in the zinc concentrate and more significantly in the lead concentrate.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">11. Reserves</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">There are no reported mineral reserves.</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">12. Mining Operations</P>




<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">No commercial mining operations to recover metals
have occurred on the project.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">13. Planned Exploration and Development</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Solitario and Teck are planning to negotiate
to jointly fund a 2019 exploration program with Teck acting as project operator. The budgeted program will have four components:
1) re-logging of previous drill core; 2) XRF (x-ray fluorescence) &#8211; Tuscan TruScan continuous scanning analysis of previous
drill core to analyze for geochemical trends within the Lik mineralized system; 3) continued geologic and geochemical investigations
of an area north of the Lik deposit; and, 4) Remodeling of the Lik geology. These activities are scheduled to begin in April and
be completed by the end of September.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B>Chambara Zinc Property (Peru)</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">In April 2008, we signed the Minera Chambara
shareholders&#8217; agreement with Votorantim on Solitario's 100%-owned Chambara zinc project. In 2015 Votorantim transferred its
interest in the Chambara project to Milpo, now Nexa. In October of 2017, Milpo and Votorantim merged to form Nexa. For the remainder
of this Chambara property section, all references to Votorantim, Milpo or Nexa are collectively referred to as &#8220;Nexa.&#8221;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">The original purpose of the Chambara joint venture
was to collectively pool independently owned Solitario</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">and Nexa properties into a jointly-held joint venture. These properties
were located within a large area of interest in northern Peru measuring approximately 200 by 85 kilometers, but outside of the
Florida Canyon property position. Nexa originally contributed 52 mineral concessions within the area of interest totaling 52,000
hectares to Minera Chambara for a 15% interest in Minera Chambara. We contributed 9,600 hectares of mineral claims and an extensive
exploration data base in our possession for an 85% interest in Minera Chambara. Existing and future acquired properties subject
to the terms of the shareholders&#8217; agreement will be controlled by Minera Chambara. Minera Chambara dropped selected concessions
in 2013 and 2016 and acquired the rights to 13 new concessions totaling 11,600 hectares in 2017. This resulted in Minera Chambara
holding 36,400 hectares of valid concessions that completely surround the Florida Canyon project area held by Minera Bongar&aacute;.
As of December 31, 2016, Minera Chambara&#8217;s only assets are the properties and Minera Chambara has no debt. Nexa may increase
its shareholding interest to 49% through cumulative spending of $6,250,000 and may further increase its interest to 70% by funding
a feasibility study and providing for construction financing for Solitario's interest. If Nexa provides such construction financing,
we would repay that financing, including interest, from 80% of Solitario's portion of the project cash flow.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;The project has been on care and maintenance
in recent years. Significant geochemical anomalies and outcropping mineralization have been identified at several locations on
the Chambara property. Nexa is responsible for maintaining the property in good standing and making all concession payments to
the Peruvian government. Concession costs in 2019 to be paid by Nexa are estimated to be $423,000.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B>La Promesa Project (Peru)</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">The La Promesa property, acquired in 2008, consists
of three concessions totaling 2,600 hectares. Currently, our only holding costs for the mineral rights are annual payments of nine
dollars per hectare to the Peruvian government. Total holding costs in 2018 will be approximately $8,000. A subsidiary of Newmont
holds a 2% net smelter return (&#8220;NSR&#8221;) on the property.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">During the past several years Solitario has
conducted an active social engagement program with the community located near the La Promesa project area with the objective of
obtaining a community agreement to support exploration activities, including drilling. To date, no agreement has been signed. In
Peru, a community agreement is required in order to obtain drilling permits. During 2019 our objectives are to complete an agreement
with the local community, to conduct surface exploration, and if warranted, conduct a drilling program.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">At least five high-grade polymetallic veins
have been identified and sampled at surface. Two of the veins, about 300 meters apart, have been traced for at least 400 meters
along strike. There appears to be a systematic trend towards greater vein thickness with depth, as the widest observed vein in
outcrop occurs at the lowest elevation sampled to date. Channel sampling along 300 meters of strike length from the best exposed
vein yielded the following high-grade results:</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="width: 24%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><B>Chip Channel #</B></TD>
    <TD STYLE="width: 17%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><B>True Width</B></TD>
    <TD STYLE="width: 14%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><B>Silver gpt</B></TD>
    <TD STYLE="width: 13%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><B>% Zinc</B></TD>
    <TD STYLE="width: 13%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><B>% Lead</B></TD>
    <TD STYLE="width: 19%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"><B>Indium gpt</B></TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">A</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">2.8</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">758</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">19.4</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">7.2</TD>
    <TD STYLE="padding-right: 17.1pt; padding-left: 5.4pt; text-align: right">153</TD></TR>

<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="width: 24%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">B</TD>
    <TD STYLE="width: 17%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">1.1</TD>
    <TD STYLE="width: 14%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">181</TD>
    <TD STYLE="width: 13%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">21.0</TD>
    <TD STYLE="width: 13%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">2.4</TD>
    <TD STYLE="width: 19%; padding-right: 17.1pt; padding-left: 5.4pt; text-align: right">190</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">C</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">0.5</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">433</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">10.5</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">6.3</TD>
    <TD STYLE="padding-right: 17.1pt; padding-left: 5.4pt; text-align: right">23</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">D</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">0.4</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">458</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">10.2</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">10.8</TD>
    <TD STYLE="padding-right: 17.1pt; padding-left: 5.4pt; text-align: right">15</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">E</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">1.0</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">346</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">5.9</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">3.4</TD>
    <TD STYLE="padding-right: 17.1pt; padding-left: 5.4pt; text-align: right">27</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">F</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">1.2</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">1975</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">33.1</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">5.6</TD>
    <TD STYLE="padding-right: 17.1pt; padding-left: 5.4pt; text-align: right">430</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0.55in 0 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B><U>Royalty Properties</U></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B>Yanacocha Royalty Property (Peru) </B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: left; text-indent: 0.5in">The Yanacocha royalty property
covered 43 concessions totaling 36,052 hectares. Solitario, through its wholly owned subsidiary Minera Solitario Per&uacute; S.A.C.,
sold the non-producing Yanacocha royalty to Minera Los Tapados S.A., a wholly owned subsidiary of Newmont for approximately $502,000
in cash. Prior to the sale, Solitario received a term sheet from a third-party to purchase the Yanacocha Royalty as part of discussions
concerning the potential sale of Solitario&#8217;s entire portfolio of royalty properties. Newmont had a 30-day right of first
refusal (&#8220;ROFR&#8221;) to match any third-party offer to purchase the Yanacocha Royalty from Solitario. Newmont exercised
its ROFR and the transaction with Newmont closed on April 26, 2018.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">No resources or reserves have been reported
by Newmont on the Yanacocha royalty property in Peru, nor has any mining been conducted on the property.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B>Other Royalty Properties (Brazil, Mexico and USA) </B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Subsequent to December 31, 2018, in January
2019, Solitario sold two royalties and an option to purchase a third royalty to SilverStream. Solitario received CDN $250,000 in
cash and CDN $350,000 in a convertible note as payment for the royalties and option. The royalties cover the 125,000-acre polymetallic
Pedra Branca palladium, platinum, gold, nickel, cobalt and chrome project in Brazil (1.0% NSR royalty) and the 3,880-acre Mexico
royalty portfolio (1.0% NSR royalty). The purchase option covers 11 separate properties covering 16,500 acres in Montana (1.5%
NSR royalty).</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">The CDN $350,000 convertible note has a one-year
term with a 5% per annum simple interest rate. The note is convertible into SilverStream stock should SilverStream complete an
initial public offering before the end of the one-year term.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B>Discontinued Projects</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">We did not abandon any mineral properties during
2018.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 22.5pt">&nbsp;</P>

<P STYLE="font: 10pt/85% Times New Roman, Times, Serif; margin: 0; text-align: center"><B>GLOSSARY OF MINING TERMS</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 4.5pt 0 0"><B>&#8220;Allochthonous&#8221; </B>means originating in
a place other than a place where it was formed.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 4.5pt 0 0">&#8220;<B>Assay</B>&#8221; means to test minerals by chemical
or other methods for the purpose of determining the amount of valuable metals contained.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 4.5pt 0 0"><B>&#8220;Anticline&#8221;</B> means folds in which each
half of the fold dips away front the crest.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 4.5pt 0 0">&#8220;<B>Breccia</B>&#8221; means rock consisting of fragments,
more or less angular, in a matrix of finer-grained material or of cementing material.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 4.5pt 0 0">&#8220;<B>Claim&#8221; or &#8220;Concession</B>&#8221; means
a mining interest giving its holder the right to prospect, explore for and exploit minerals within a defined&nbsp;area.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 4.5pt 0 0"><B>&#8220;Clastic&#8221;</B> means pertaining to rock or
rocks composed of fragments or particles of older rocks or previously existing solid matter; fragmental.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 4.5pt 0 0">&#8220;<B>Deposit</B>&#8221; means an informal term for
an accumulation of mineral ores.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 4.5pt 0 0"><B>&#8220;Development&#8221; </B>means work carried out
for the purpose of opening up a mineral deposit and making the actual ore extraction possible.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 4.5pt 0 0"><B>&#8220;Domal&#8221; </B>means of a dome shape.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 4.5pt 0 0"><FONT STYLE="font-family: Times New Roman, Times, Serif"><B>&#8220;</B></FONT><B>Dolomite&#8221;</B>
means calcium magnesium&nbsp;carbonate, CaMg (CO<SUB>3</SUB>)<SUB>2</SUB>, occurring in crystals and in masses.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 4.5pt 0 0"><B>&#8220;Facies&#8221;</B> means the appearance and characteristics
of a sedimentary deposit, especially as they reflect the&nbsp;conditions and environment of deposition and serve to distinguish
the deposit from contiguous&nbsp;deposits.</P>




<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 4.5pt 0 0"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 4.5pt 0 0">&#8220;<B>Fault</B>&#8221; means a fracture in rock along
which there has been displacement of the two sides parallel to the&nbsp;fracture.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 4.5pt 0 0"><B>&#8220;gpt&#8221; </B>means grams per tonne.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 4.5pt 0 0"><FONT STYLE="font-family: Times New Roman, Times, Serif"><B>&#8220;Karst&#8221;</B>
means </FONT><FONT STYLE="color: #333333">a</FONT> landscape that is characterized by the features of solution weathering and erosion
in the subsurface. These features include caves, sinkholes, disappearing streams, subsurface drainage and deeply incised narrow
canyons.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 4.5pt 0 0"><FONT STYLE="font-family: Times New Roman, Times, Serif"><B>&#8220;M</B></FONT><B>anto
deposits&#8221;</B> means replacement ore bodies that are strata bound, irregular to rod shaped ore occurrences usually horizontal
or near horizontal in attitude.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 4.5pt 0 0">&#8220;<B>Mineralization</B>&#8221; means the concentration
of metals within a body of rock.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 4.5pt 0 0">&#8220;<B>NSR</B>&#8221; means net smelter return royalty.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 4.5pt 0 0"><B>&#8220;opt&#8221;</B> or <B>&#8220;oz/ton&#8221; </B>means
ounces per ton.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 4.5pt 0 0">&#8220;<B>Ore</B>&#8221; means material containing minerals
that can be economically extracted.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 4.5pt 0 0"><B>&#8220;Ounce&#8221;</B> means a troy ounce.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 4.5pt 0 0">&#8220;<B>Reserves</B>&#8221; or &#8220;<B>Ore Reserves</B>&#8221;
means that part of a mineral deposit, which could be economically and legally extracted or produced at the time of the reserve
determination.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 4.5pt 0 0">&#8220;<B>Sampling</B>&#8221; means selecting a fractional,
but representative, part of a mineral deposit for&nbsp;analysis.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 4.5pt 0 0">&#8220;<B>Sediment</B>&#8221; means solid material settled
from suspension in a liquid.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 4.5pt 0 0"><B>&#8220;Sedimentary Exhalative Deposits (SEDEX)&#8221;
</B>means ore deposits which have been formed by the release of ore-bearing hydrothermal fluids into a water reservoir.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 4.5pt 0 0"><B>&#8220;Silicification&#8221; </B>means the process in
which organic matter becomes saturated with silica (silicon dioxide).</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 4.5pt 0 0"><B>&#8220;Sphalerite&#8221;</B> means a very common mineral,
zinc&nbsp;sulfide, usually containing some iron and a little cadmium, occurring in yellow, brown, or black&nbsp;crystals or cleavable
masses with resinous luster and it is the&nbsp;principal ore of zinc.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 4.5pt 0 0"><B>&#8220;Spectrophotometry&#8221; </B>means the quantitative
measurement of the reflection properties of a material as a function of its wavelength.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 4.5pt 0 0"><B>&#8220;Stratiform&#8221; </B>means formed parallel to
the bedding places of surrounding rock.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 4.5pt 0 0"><FONT STYLE="font-family: Times New Roman, Times, Serif"><B>&#8220;Stratigraphy&#8221;</B>
means t</FONT>he arrangement of rock strata, especially as to the geographic, chronologic order of sequence (age), classification,
characteristics and formation.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 4.5pt 0 0">&#8220;<B>Strike</B>&#8221; when used as a noun, means the
direction, course or bearing of a vein or rock formation measured on a level surface and, when used as a verb, means to take such
direction, course or&nbsp;bearing.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 4.5pt 0 0">&#8220;<B>Sulfide</B>&#8221; means a compound of sulfur
and some other element.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 4.5pt 0 0"><B>&#8220;Syngenetic&#8221; </B>means a mineral deposit
that forms at the same time as the surrounding rock.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 4.5pt 0 0">&#8220;<B>Ton</B>&#8221; means a short ton (2,000 pounds).</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 4.5pt 0 0">&#8220;<B>Tonne&#8221;</B> means a metric ton that contains
2,204.6 pounds or 1,000 kilograms.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 4.5pt 0 0">&#8220;<B>Vein</B>&#8221; means a fissure, fault or crack
in a rock filled by minerals that have traveled upwards from some deep&nbsp;source.</P>

<P STYLE="font: 10pt/85% Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 10pt/85% Times New Roman, Times, Serif; margin: 0"><B>Item 3. <U>Legal Proceedings</U></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">None</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 10pt/85% Times New Roman, Times, Serif; margin: 0"><B>Item 4. <U>Mine Safety Disclosures</U></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Not applicable</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"></P>




<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/85% Times New Roman, Times, Serif; margin: 0; text-align: center; text-indent: -63pt"><B><U>PART II</U></B></P>

<P STYLE="font: 10pt/85% Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: -63pt">&nbsp;</P>

<P STYLE="font: 10pt/85% Times New Roman, Times, Serif; margin: 0"><B>Item 5. <U>Market for Registrant's Common Equity, Related
Stockholder Matters and Issuer Purchases of Equity Securities</U></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Our common stock trades on the NYSE American
exchange under the symbol &#8220;XPL&#8221; and on the TSX under the symbol &#8220;SLR.&#8221; Since 2008 trading volume of our
common stock on NYSE American exchange has exceeded the trading volume of our stock on the TSX by a substantial margin.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">The following table sets forth the high and
low sales prices on NYSE American exchange for our common stock for the quarterly periods from January 1, 2017 to December 31,
2018:</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; width: 100%; font: 10pt Times New Roman, Times, Serif">
<TR STYLE="vertical-align: bottom">
    <TD>&nbsp;</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD COLSPAN="15" STYLE="text-align: center; border-bottom: Black 1pt solid">All prices are in US$</TD></TR>
<TR STYLE="vertical-align: bottom">
    <TD>&nbsp;</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD COLSPAN="7" STYLE="text-align: center; border-bottom: Black 1pt solid">2018</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD COLSPAN="7" STYLE="text-align: center; border-bottom: Black 1pt solid">2017</TD></TR>
<TR STYLE="vertical-align: bottom">
    <TD STYLE="border-bottom: Black 1pt solid">Period</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: right; border-bottom: Black 1pt solid">High</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: right; border-bottom: Black 1pt solid">Low</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: right; border-bottom: Black 1pt solid">High</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: right; border-bottom: Black 1pt solid">Low</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="width: 40%; text-align: left; padding-left: 0.7pt">First quarter</TD><TD STYLE="width: 3%">&nbsp;</TD>
    <TD STYLE="width: 1%; text-align: left">$</TD><TD STYLE="width: 10%; text-align: right">0.71</TD><TD STYLE="width: 1%; text-align: left">&nbsp;</TD><TD STYLE="width: 3%">&nbsp;</TD>
    <TD STYLE="width: 1%; text-align: left">$</TD><TD STYLE="width: 10%; text-align: right">0.46</TD><TD STYLE="width: 1%; text-align: left">&nbsp;</TD><TD STYLE="width: 3%">&nbsp;</TD>
    <TD STYLE="width: 1%; text-align: left">$</TD><TD STYLE="width: 10%; text-align: right">0.88</TD><TD STYLE="width: 1%; text-align: left">&nbsp;</TD><TD STYLE="width: 3%">&nbsp;</TD>
    <TD STYLE="width: 1%; text-align: left">$</TD><TD STYLE="width: 10%; text-align: right">0.64</TD><TD STYLE="width: 1%; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left; padding-left: 0.7pt">Second quarter</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">0.49</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">0.40</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">0.85</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">0.65</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="text-align: left; padding-left: 0.7pt">Third quarter</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">0.44</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">0.36</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">0.79</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">0.65</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left; padding-left: 0.7pt">Fourth quarter</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">0.36</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">0.21</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">0.73</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">0.55</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD>&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
</TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">The following table sets
forth the high and low sales prices on the TSX for our common stock for the quarterly periods from January 1, 2017 to December
31, 2018:</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; width: 100%; font: 10pt Times New Roman, Times, Serif">
<TR STYLE="vertical-align: bottom">
    <TD>&nbsp;</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD COLSPAN="15" STYLE="text-align: center; border-bottom: Black 1pt solid">All prices are in CDN$</TD></TR>
<TR STYLE="vertical-align: bottom">
    <TD>&nbsp;</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD COLSPAN="7" STYLE="text-align: center; border-bottom: Black 1pt solid">2018</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD COLSPAN="7" STYLE="text-align: center; border-bottom: Black 1pt solid">2017</TD></TR>
<TR STYLE="vertical-align: bottom">
    <TD STYLE="border-bottom: Black 1pt solid">Period</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: right; border-bottom: Black 1pt solid">High</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: right; border-bottom: Black 1pt solid">Low</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: right; border-bottom: Black 1pt solid">High</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: right; border-bottom: Black 1pt solid">Low</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="width: 40%; text-align: left; padding-left: 0.7pt">First quarter</TD><TD STYLE="width: 3%">&nbsp;</TD>
    <TD STYLE="width: 1%; text-align: left">$</TD><TD STYLE="width: 10%; text-align: right">0.88</TD><TD STYLE="width: 1%; text-align: left">&nbsp;</TD><TD STYLE="width: 3%">&nbsp;</TD>
    <TD STYLE="width: 1%; text-align: left">$</TD><TD STYLE="width: 10%; text-align: right">0.59</TD><TD STYLE="width: 1%; text-align: left">&nbsp;</TD><TD STYLE="width: 3%">&nbsp;</TD>
    <TD STYLE="width: 1%; text-align: left">$</TD><TD STYLE="width: 10%; text-align: right">1.18</TD><TD STYLE="width: 1%; text-align: left">&nbsp;</TD><TD STYLE="width: 3%">&nbsp;</TD>
    <TD STYLE="width: 1%; text-align: left">$</TD><TD STYLE="width: 10%; text-align: right">0.87</TD><TD STYLE="width: 1%; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left; padding-left: 0.7pt">Second quarter</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">0.64</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">0.50</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">1.15</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">0.81</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="text-align: left; padding-left: 0.7pt">Third quarter</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">0.60</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">0.46</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">1.03</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">0.81</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left; padding-left: 0.7pt">Fourth quarter</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">0.46</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">0.32</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">0.88</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">0.70</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
</TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><U>Shares authorized for issuance under equity compensation plans</U></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">On June 18, 2013 Solitario&#8217;s shareholders
approved the 2013 Solitario Exploration &amp; Royalty Corp. Omnibus Stock and Incentive Plan (the &#8220;2013 Plan&#8221;). On
June 29, 2017, Solitario shareholders approved an amendment to the 2013 Plan, which increased the number of shares available of
common stock for issuance under the 2013 Plan from 1,750,000 to 5,750,000. Under the terms of the 2013 Plan, the Board of Directors
may grant awards to directors, officers, employees and consultants. Such awards may take the form of stock options, stock appreciation
rights, restricted stock, and restricted stock units. The terms and conditions of the awards are pursuant to the 2013 Plan and
options are granted by the Board of Directors or a committee appointed by the Board of Directors.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">In connection with the Acquisition, Solitario
granted 1,782,428 replacement options to former officers and directors of Zazu (the &#8220;Replacement Options&#8221;). The exercise
prices of the Replacement Options are between $2.24 per share and $0.70 per share with terms between 10 months and 18 months. In
accordance with the terms of the Acquisition, the Replacement Options were fully vested upon grant. The Replacement Options had
a grant date fair value of $164,000, based upon Black-Scholes models with an expected volatility of 67% and a risk-free interest
rate of 1.00%. The grant date fair value was capitalized as part of the purchase price of the Zazu assets acquired. During 2018,
782,268 of the Replacement Options, expired unexercised, in accordance with their terms and as of December 31, 3018, 1,000,160
Replacement Options remain outstanding, all of which expired unexercised subsequent to December 31, 2018 on January 19, 2019.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">On September 1, 2017, the Board of Directors
granted 200,000 stock options under the 2013 Plan. The options have a five-year life, vested 25% on the date of grant and vest
25% on each of the next three anniversary dates of the date of grant, and have an exercise price of $0.77 per share, and a grant
date fair value of $84,000, based upon a Black-Scholes model with an expected volatility of 64%, and a risk free interest rate
of 1.70%.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">On September 1, 2017, the Board of Directors
granted, subject to shareholder approval at the next meeting of shareholders, 2,300,000 stock options under the 2013 Plan to officers
and members of the Board of Directors (the &#8220;Conditional Options&#8221;). The Conditional Options were approved by Solitario&#8217;s
shareholders at Solitario&#8217;s annual meeting on June 19, 2018. The Conditional Options have a five-year life, an exercise price
of $0.77 per share, and a grant date fair value of $970,000, based upon a Black-Scholes model with a volatility of 64%, and a risk-free
interest rate of 1.70%. The Conditional Options </P>




<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">vest on the schedule of 25% on date of approval of the grant (June
19, 2018) and 25% on each of the next three anniversary dates of the date of grant (September 1, 2018, 2019 and 2020).</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">On November 1, 2018, the Board of Directors
granted 1,623,000 stock options under the 2013 Plan. These options have a five-year life, vested 25% on the date of grant and vest
25% on each of the next three anniversary dates of the date of grant, and have an exercise price of $0.31 per share, and a grant
date fair value of $282,000, based upon a Black-Scholes model with a an expected volatility of 64%, and a risk free interest rate
of 2.98%.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; width: 100%; font: 10pt Times New Roman, Times, Serif">
<TR STYLE="vertical-align: bottom">
    <TD COLSPAN="13" STYLE="text-align: justify; border-bottom: Black 1pt solid">Equity Compensation Plan Information as of December 31, 2018:</TD></TR>
<TR STYLE="vertical-align: bottom">
    <TD STYLE="text-align: center; border-bottom: Black 1pt solid">Plan category</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center; border-bottom: Black 1pt solid">Number of securities to be issued upon exercise of outstanding options, warrants and rights</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center; border-bottom: Black 1pt solid">Weighted-average exercise price of outstanding options, warrants and rights<BR> <BR> <BR>(2013 Plan &ndash; US$)</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center; border-bottom: Black 1pt solid">Number of securities remaining available for future issuance under equity compensation plans (excluding securities reflected in column (a))</TD></TR>
<TR STYLE="vertical-align: bottom">
    <TD STYLE="font-weight: bold; border-bottom: Black 1pt solid">2013 Plan</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center; border-bottom: Black 1pt solid">(a)</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center; border-bottom: Black 1pt solid">(b)</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center; border-bottom: Black 1pt solid">(c)</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="width: 46%; text-align: left; padding-bottom: 1pt; padding-left: 5.4pt">Equity compensation plans approved&nbsp;by<BR> &nbsp;security holders</TD><TD STYLE="width: 5%; padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="width: 1%; border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="width: 11%; border-bottom: Black 1pt solid; text-align: right">5,223,160</TD><TD STYLE="width: 1%; padding-bottom: 1pt; text-align: left">&nbsp;</TD><TD STYLE="width: 5%; padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="width: 1%; border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="width: 11%; border-bottom: Black 1pt solid; text-align: right">0.76</TD><TD STYLE="width: 1%; padding-bottom: 1pt; text-align: left">&nbsp;</TD><TD STYLE="width: 5%; padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="width: 1%; border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="width: 11%; border-bottom: Black 1pt solid; text-align: right">476,278</TD><TD STYLE="width: 1%; padding-bottom: 1pt; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left; padding-bottom: 1pt; padding-left: 5.4pt">Equity compensation plans not approved<BR> &nbsp;by security holders</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">N/A</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="text-align: left; padding-bottom: 1pt; padding-left: 5.4pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Total 2013 Plan</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">5,223,160</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">0.76</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">476,278</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD></TR>
</TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><U>Holders of our common stock </U></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">As of February 28, 2019, we have approximately
3,392 holders of our common stock.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><U>Dividend policy</U></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">We have not paid a dividend in our history and
do not anticipate paying a dividend in the foreseeable future.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><U>Issuer purchases of equity securities</U></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">The following table provides information about
our purchase of our common shares during the three months ended December 31, 2018.</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="width: 40%; padding-right: 2pt; padding-left: 3pt"><FONT STYLE="font-size: 8pt"><B>Period</B></FONT></TD>
    <TD STYLE="width: 15%; padding-right: 3pt; padding-left: 3pt"><FONT STYLE="font-size: 8pt"><B>Total Number of Shares Purchased</B></FONT></TD>
    <TD STYLE="width: 16%; padding-right: 3pt; padding-left: 3pt"><FONT STYLE="font-size: 8pt"><B>Average Price Paid Per Share</B></FONT></TD>
    <TD STYLE="width: 15%; padding-right: 3pt; padding-left: 3pt"><FONT STYLE="font-size: 8pt"><B>Total Number of Shares Purchased as Part of Publicly Announced Plans or Programs<SUP>(1)</SUP></B></FONT></TD>
    <TD STYLE="width: 14%; padding-right: 3pt; padding-left: 3pt"><FONT STYLE="font-size: 8pt"><B>Maximum number of Shares that May Yet Be Purchased Under the Plans or Programs<SUP>(1)</SUP></B></FONT></TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="padding-right: 2pt; padding-left: 3pt">October 1, 2017 &#8211; October 31, 2018</TD>
    <TD STYLE="text-align: right">28,500&nbsp;&nbsp;</TD>
    <TD STYLE="text-align: right">$0.31&nbsp;&nbsp;</TD>
    <TD STYLE="text-align: right">28,500&nbsp;&nbsp;</TD>
    <TD STYLE="text-align: right">1,130,500&nbsp;&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="padding-right: 2pt; padding-left: 3pt">November 1, 2017&#8212;November 30, 2018</TD>
    <TD STYLE="text-align: right">18,000&nbsp;&nbsp;</TD>
    <TD STYLE="text-align: right">$0.30&nbsp;&nbsp;</TD>
    <TD STYLE="text-align: right">18,000&nbsp;&nbsp;</TD>
    <TD STYLE="text-align: right">1,112,500&nbsp;&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="padding-right: 2pt; padding-left: 3pt">December 1, 2017&#8212;December 31, 2018</TD>
    <TD STYLE="text-align: right">43,400&nbsp;&nbsp;</TD>
    <TD STYLE="text-align: right">$0.26&nbsp;&nbsp;</TD>
    <TD STYLE="text-align: right">43,400&nbsp;&nbsp;</TD>
    <TD STYLE="text-align: right">1,069,100&nbsp;&nbsp;</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">(1)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;On
October 28, 2015, the Board of Directors authorized a share repurchase program pursuant to which Solitario may acquire up to 2
million of its common shares. All purchases listed were made in open-market transactions through a broker dealer. During 2018 the
Board of Directors extended the termination date of the repurchase program to December 31, 2019; however, the repurchase program
may be suspended or discontinued at any time and does not obligate Solitario to acquire any particular amount of our shares. During
the years ended December 31, 2018 and 2017, we purchased 263,100 and 47,200 shares of Solitario common stock, respectively, for
an aggregate purchase price of $101,000 and $32,000, respectively. As of December 31, 2018, we have purchased a total of 930,900
shares of Solitario common stock for an aggregate purchase price of $449,000 under the share repurchase program since its inception.</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"></P>




<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 10pt/85% Times New Roman, Times, Serif; margin: 0"><B>Item 6. <U>Selected Financial Data</U></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0 0.3in; text-indent: 0in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">The following table summarizes the consolidated
statements of operations and balance sheet data for our business since January 1, 2014. This data has been derived from our audited
consolidated statements of operations for each of the five years ended December 31, 2018 and our audited consolidated balance sheets
as of December 31, 2018, 2017, 2016, 2015 and 2014. You should read this information in conjunction with Item 7, &quot;Management's
Discussion and Analysis of Financial Condition and Results of Operations&quot; and Solitario's historical consolidated financial
statements and notes included in Item 8, &quot;Financial Statements and Supplementary Data.&quot; The information set forth below
is not necessarily indicative of future results.</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 0.3in">&nbsp;</TD><TD></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; width: 100%; font: 10pt Times New Roman, Times, Serif">
<TR STYLE="vertical-align: bottom">
    <TD STYLE="font-weight: bold; border-bottom: Black 1pt solid">Balance sheet data:</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD COLSPAN="19" STYLE="text-align: center; border-bottom: Black 1pt solid">As of December 31,</TD></TR>
<TR STYLE="vertical-align: bottom">
    <TD STYLE="border-bottom: Black 1pt solid">(in thousands)</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center; border-bottom: Black 1pt solid">2018</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center; border-bottom: Black 1pt solid">2017</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center; border-bottom: Black 1pt solid">2016</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center; border-bottom: Black 1pt solid">2015</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center; border-bottom: Black 1pt solid">2014</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="width: 35%; text-align: left">Total current assets</TD><TD STYLE="width: 2%">&nbsp;</TD>
    <TD STYLE="width: 1%; text-align: left">$</TD><TD STYLE="width: 9%; text-align: right">12,136</TD><TD STYLE="width: 1%; text-align: left">&nbsp;</TD><TD STYLE="width: 2%">&nbsp;</TD>
    <TD STYLE="width: 1%; text-align: left">$</TD><TD STYLE="width: 9%; text-align: right">14,613</TD><TD STYLE="width: 1%; text-align: left">&nbsp;</TD><TD STYLE="width: 2%">&nbsp;</TD>
    <TD STYLE="width: 1%; text-align: left">$</TD><TD STYLE="width: 9%; text-align: right">16,797</TD><TD STYLE="width: 1%; text-align: left">&nbsp;</TD><TD STYLE="width: 2%">&nbsp;</TD>
    <TD STYLE="width: 1%; text-align: left">$</TD><TD STYLE="width: 9%; text-align: right">17,990</TD><TD STYLE="width: 1%; text-align: left">&nbsp;</TD><TD STYLE="width: 2%">&nbsp;</TD>
    <TD STYLE="width: 1%; text-align: left">$</TD><TD STYLE="width: 9%; text-align: right">3,217</TD><TD STYLE="width: 1%; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left">Total assets</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">$</TD><TD STYLE="text-align: right">27,903</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">$</TD><TD STYLE="text-align: right">30,395</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">$</TD><TD STYLE="text-align: right">17,614</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">$</TD><TD STYLE="text-align: right">18,054</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">$</TD><TD STYLE="text-align: right">19,040</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="text-align: left">Working capital (deficit) <FONT STYLE="font-size: 6pt; line-height: 85%">(1)</FONT></TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">$</TD><TD STYLE="text-align: right">11,448</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">$</TD><TD STYLE="text-align: right">14,472</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">$</TD><TD STYLE="text-align: right">16,671</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">$</TD><TD STYLE="text-align: right">17,811</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">$</TD><TD STYLE="text-align: right">(1,987</TD><TD STYLE="text-align: left">)</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left">Long-term debt</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">$</TD><TD STYLE="text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">$</TD><TD STYLE="text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">$</TD><TD STYLE="text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">$</TD><TD STYLE="text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">$</TD><TD STYLE="text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="text-align: left">Shareholders' equity</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">$</TD><TD STYLE="text-align: right">27,090</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">$</TD><TD STYLE="text-align: right">30,129</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">$</TD><TD STYLE="text-align: right">17,488</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">$</TD><TD STYLE="text-align: right">17,875</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">$</TD><TD STYLE="text-align: right">6,781</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
</TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt/85% Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 0.3in">&nbsp;</TD><TD STYLE="text-align: justify"></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; width: 100%; font: 10pt Times New Roman, Times, Serif">
<TR STYLE="vertical-align: bottom">
    <TD STYLE="font-weight: bold; border-bottom: Black 1pt solid">Statement of operations data:</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD COLSPAN="19" STYLE="text-align: center; border-bottom: Black 1pt solid">Year ended December 31,</TD></TR>
<TR STYLE="vertical-align: bottom">
    <TD STYLE="border-bottom: Black 1pt solid">(in thousands, except per share amounts)</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center; border-bottom: Black 1pt solid">2018</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center; border-bottom: Black 1pt solid">2017</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center; border-bottom: Black 1pt solid">2016</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center; border-bottom: Black 1pt solid">2015</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center; border-bottom: Black 1pt solid">2014</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="width: 35%; text-align: left">Property and joint venture revenue</TD><TD STYLE="width: 2%">&nbsp;</TD>
    <TD STYLE="width: 1%; text-align: left">$</TD><TD STYLE="width: 9%; text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="width: 1%; text-align: left">&nbsp;</TD><TD STYLE="width: 2%">&nbsp;</TD>
    <TD STYLE="width: 1%; text-align: left">$</TD><TD STYLE="width: 9%; text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="width: 1%; text-align: left">&nbsp;</TD><TD STYLE="width: 2%">&nbsp;</TD>
    <TD STYLE="width: 1%; text-align: left">$</TD><TD STYLE="width: 9%; text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="width: 1%; text-align: left">&nbsp;</TD><TD STYLE="width: 2%">&nbsp;</TD>
    <TD STYLE="width: 1%; text-align: left">$</TD><TD STYLE="width: 9%; text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="width: 1%; text-align: left">&nbsp;</TD><TD STYLE="width: 2%">&nbsp;</TD>
    <TD STYLE="width: 1%; text-align: left">$</TD><TD STYLE="width: 9%; text-align: right">200</TD><TD STYLE="width: 1%; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left; padding-bottom: 1pt">Net (loss) income</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">$</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">(3,598</TD><TD STYLE="padding-bottom: 1pt; text-align: left">)</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">$</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">(942</TD><TD STYLE="padding-bottom: 1pt; text-align: left">)</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">$</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">(1,710</TD><TD STYLE="padding-bottom: 1pt; text-align: left">)</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">$</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">8,872</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">$</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">(1,833</TD><TD STYLE="padding-bottom: 1pt; text-align: left">)</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD>Per share information:</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left">&nbsp;&nbsp;Basic and diluted</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="text-align: left; padding-bottom: 1pt">&nbsp;&nbsp;&nbsp;&nbsp;Net (loss) income</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">$</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">(0.06</TD><TD STYLE="padding-bottom: 1pt; text-align: left">)</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">$</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">(0.02</TD><TD STYLE="padding-bottom: 1pt; text-align: left">)</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">$</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">(0.04</TD><TD STYLE="padding-bottom: 1pt; text-align: left">)</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">$</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">0.23</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">$</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">(0.05</TD><TD STYLE="padding-bottom: 1pt; text-align: left">)</TD></TR>
</TABLE>

<P STYLE="font: 8pt Times New Roman, Times, Serif; margin: 0">(1) Working capital consists of current assets less current liabilities.</P>

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<P STYLE="font: 8pt Times New Roman, Times, Serif; margin: 0"></P>




<P STYLE="font: 10pt/85% Times New Roman, Times, Serif; margin: 0"><B>Item 7. <U>Management's Discussion and Analysis of Financial
Condition and Results of Operations </U></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">The following discussion
should be read in conjunction with the information contained in the consolidated financial statements and notes thereto included
in Item 8, &quot;Financial Statements and Supplementary Data.&quot; Our financial condition and results of operations are not necessarily
indicative of what may be expected in future years.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0.55in 0 0"><B>(a). Recent Developments</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">On April 26, 2018, we sold the Yanacocha Royalty
to a wholly owned subsidiary of Newmont for approximately $502,000 in cash. The Yanacocha Royalty covered 43 concessions totaling
36,052 hectares. Newmont owns the underlying mineral concessions covered by the Yanacocha Royalty. None of the concessions covered
by the Yanacocha Royalty have any reported reserves or resources. Solitario had no mineral property capitalized cost in the Yanacocha
Royalty and recorded Mineral Property Revenue of $502,000 during 2018.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">In August of 2018, Solitario agreed to fund
a portion of a 2018 &#8211; 2019 drilling program at the Florida Canyon project. Per the agreement, Solitario will fund up to $1,580,000
of a planned 41-hole 17,000-meter drilling program to be conducted through December 31, 2019 (the &#8220;Drilling Program&#8221;).
Upon Nexa completing the first 1,700 meters of the Drilling Program, Solitario will pay Nexa $527,000, upon completion of the next
1,700 meters (3,400 meters total) of the Drilling Program, Solitario will pay Nexa $527,000, and upon completion of the next 1,700
meters (5,100 meters total) of the Drilling Program, Solitario will pay Nexa the balance remaining on its $1,580,000 funding commitment,
or $526,000. Solitario has no obligation to pay Nexa prior to the attainment of the separate 1,700-meter thresholds. The funding
commitments are in the form of an advance on Solitario&#8217;s commitment to fund 30% of any future development of Florida Canyon
under the existing joint venture agreement with Nexa. Accordingly, in the event Florida Canyon is developed, which cannot be assured
at this time, any funds paid to Nexa under this agreement, will reduce the amount of Solitario&#8217;s obligation to fund 30% of
future development costs, and / or repay loans from Nexa for future development costs at the Florida Canyon project. As of December
31, 2018, Nexa had completed four holes and a total of 2,203 meters under the Drilling Program, and Solitario has recorded an account
payable to Nexa of $527,000 and recorded a charge to exploration expense of $527,000.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B>(b). Business Overview and Summary</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">We are an exploration stage company at December
31, 2018 under Industry Guide 7, as issued by the SEC. We were incorporated in the state of Colorado on November 15, 1984 as a
wholly-owned subsidiary of Crown Resources Corporation (&quot;Crown&quot;). In July 1994, we became a publicly traded company on
the Toronto Stock Exchange (the &quot;TSX&quot;) through our initial public offering. We have been actively involved in mineral
exploration since 1993. Our primary business is to acquire exploration mineral properties and/or discover economic deposits on
our mineral properties and advance these deposits, either on our own or through joint ventures, up to the development stage (development
activities include, among other things, completion of a feasibility study for the identification of proven and probable reserves,
as well as permitting and preparing a deposit for mining). At that point, or sometime prior to that point, we would likely attempt
to sell a given mineral property, pursue its development either on our own, or through a joint venture with a partner that has
expertise in mining operations, or obtain a royalty from a third party that continues to advance the property. Upon the completion
of the Acquisition, we shifted our primary focus to the acquisition and exploration of zinc-related exploration mineral properties.
In addition to focusing on our current assets and the evaluation of mineral properties for acquisition, we also evaluate potential
strategic corporate transactions for the acquisition of new precious and base metal properties and assets with exploration potential
or business combinations we determine to be favorable to Solitario.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">In July 2017 we completed the acquisition of
Zazu Metals Corp. (&#8220;Zazu&#8221;) whereby we issued 19,788,177 shares of our common stock for all the issued and outstanding
common shares of Zazu (the &#8220;Acquisition&#8221;). Zazu had one primary asset, its interest in the Lik project, and the Acquisition
was treated as an asset purchase. The total purchase price of $16,110,000 was recorded during 2017.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Our geographic focus for the evaluation of potential
mineral property assets is in North and South America; however, we have conducted property evaluations for potential acquisition
in in other parts of the world. Our exploration properties may be developed in the future by us or through a joint venture, although
we have never developed a mineral property. At December 31, 2018, we consider our carried interest in our Florida Canyon project
in Peru and our interest in the Lik project in Alaska to be our core mineral property assets. In addition, at December 31, 2018,
we have one exploration property in Peru, and one royalty property in each of Peru, Brazil, United States and Mexico. Subsequent
to December 31, 2018, we sold our royalty property interests in Brazil, the United States and Mexico. We are conducting independent
exploration activities in Peru and through joint ventures operated by our partners in Peru and the United States. We conduct potential
acquisition evaluations in other countries of both South and North America.</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"></P>




<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"><FONT STYLE="color: windowtext">As of December
31, 2018, we have significant balances of cash and short-term investments that we anticipate using, in part, to fund planned 2019
exploration, including our portion of the Drilling Program, discussed above, , to further the exploration of the Lik project, conduct
initial exploration on the La Promesa project in Peru, and to potentially acquire additional mineral property assets. The</FONT>
fluctuations in commodity prices of base and precious metals has contributed to a challenging environment for mineral exploration
and development, which has created opportunities as well as challenges for the potential acquisition of advanced mineral exploration
projects or other related assets at potentially attractive terms.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">In analyzing our activities, the most significant
aspect relates to results of our exploration and potential development activities and those of our joint venture partners on a
property-by-property basis. When our exploration or potential development activities, including drilling, sampling and geologic
testing, indicate a project may not be economic or contain sufficient geologic or economic potential we may impair or completely
write-off the property. Another significant factor in the success or failure of our activities is the price of commodities. For
example, when the price of zinc is down, the value of zinc-bearing mineral properties decreases; however, when the price of zinc
is up it may become more difficult and expensive to locate and acquire new zinc-bearing mineral properties with potential to have
economic deposits.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">The potential sale, joint venture or development
of our mineral properties will occur, if at all, on an infrequent basis. Historically, we have recorded revenues and met our need
for capital in the past through (i) the sale of properties; (ii) joint venture payments, including delay rental payments; (iii)
a royalty sale on our former Mt. Hamilton property; (iv) the sale of our shares of Vendetta and Kinross common stock; (v) long-term
debt secured by our mineral property; (vi) short-term margin borrowing; and (vii) issuances of common stock. During 2018 we recorded
mineral property income from the sale of our Yanacocha royalty of $502,000. In 2015 we recorded a gain on the sale of our interest
in Mount Hamilton LLC of $12,309,000. During June 2012, we sold a royalty interest in our Mt. Hamilton project to Sandstorm Gold
Ltd. for $10,000,000. Previous to the Mt. Hamilton Transaction, our last significant cash proceeds were recorded in 2000 upon the
sale of our former Yanacocha property for $6,000,000.&nbsp;&nbsp;Proceeds from the sale or joint venture of properties, although
significant when they occur, have not been a consistent annual source of cash and would occur in the future, if at all, on an infrequent
basis. We have reduced our exposure to the costs of our exploration activities in the past through the use of joint ventures. Although
we anticipate the use of joint venture funding for some of our exploration activities will continue for the foreseeable future,
we can provide no assurance that these or other sources of capital will be available in sufficient amounts to meet our needs, if
at all.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B>(c). Results of Operations</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><U>Comparison of the year ended December 31, 2018 to the year ended
December 31, 2017</U></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">We had a net loss of $3,528,000 or $0.06 per
share for the year ended December 31, 2018 compared to a loss of $942,000 or $0.02 per basic and diluted share for the year ended
December 31, 2017. As explained in more detail below, the primary reasons for the increase in net loss during 2018 compared to
2017 was an increase in (i) exploration expense to $1,254,000 during 2018 compared to exploration expense of $699,000 during 2017;
(ii) an increased in general and administrative expense to $$1,884,000 during 2018 compared to general and administrative expense
of $1,202,000 during 2017, which was significantly related to an increase in non-cash stock option expense of $660,000 during 2018
compared to $50,000 during 2017; (iii) the recording of an unrealized loss on marketable equity securities of $1,058,000 during
2018 compared to a realized gain on the sale of marketable equity securities of $578,000 during 2017; and (iv) a gain on derivative
instruments of $271,000 during 2017 with no similar item during 2018. Partially offsetting these factors that served to increase
our net loss were (i) mineral property sale revenue of $502,000 from the sale of our Yanacocha Royalty during 2018 with no similar
item during 2017; and (ii) an increase in interest income (net) to $192,000 during 2018 compared to interest income of $123,000
during 2017. Each of these items is discussed in greater detail below.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: left; text-indent: 0.5in">Our primary exploration activities
during 2018 and 2017 were related to exploration and evaluation of our mineral properties and as well as the evaluation of mineral
properties held by other mining companies for possible acquisition and or corporate merger, with an increase in related reconnaissance
exploration activities and expense. At the Florida Canyon project we recorded a total of $550,000 of exploration expense of which
the largest single expense related to our agreement with Nexa, discussed above, whereby Solitario recorded $527,000 in exploration
expense for the drilling completed at the Florida Canyon project during 2018, this compared to the completion of a preliminary
economic analysis (&#8220;PEA&#8221;) at Florida Canyon during 2017. The total cost of the 2017 PEA was approximately $243,000
of which our joint venture partner, Nexa paid one-half. We recorded a total of $125,000 of exploration expense at our Lik project
of which the largest expense was related to approximately $234,000 of joint exploration expenses during 2018 at the Lik project,
of which we paid half and our joint venture partner, Teck paid the other half. During 2018 and 2017, we evaluated several projects
for acquisition, in addition to the Lik project acquired in the Acquisition and we performed limited exploration activities, primarily
related to permitting at our La Promesa project in Peru. We did no drilling on any of our exploration projects in North or South
America during 2017. Our 2019 exploration and development budget is approximately $2,345,000, of which approximately $1,053,000
is related to the Florida Canyon project Drilling Program and approximately $210,000 is planned for our Lik project in Alaska,
the remainder of the 2019 budget is primarily related to our planned 2019 reconnaissance efforts as well as additional work planned
for our La Promesa project. We also will be evaluating potential acquisition of new mineral exploration properties. This expenditure
amount could increase significantly if we decide to conduct exploration drilling on any of our other existing projects, which
is not currently included in the 2019 budget. We cannot predict with certainty that we will acquire new mineral exploration properties
during 2019; however, we expect to continue our early-stage exploration activities. Our exploration activities may be modified,
as necessary for any drilling programs we may undertake, changes related to potential acquisition of new properties, joint venture
funding, commodity prices and deployment of our capital.</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: left"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">Exploration expense (in thousands) by property consisted of the
following:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; width: 100%; font: 10pt Times New Roman, Times, Serif">
<TR STYLE="vertical-align: bottom">
    <TD STYLE="border-bottom: Black 1pt solid">Property Name</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: right; border-bottom: Black 1pt solid">2018</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: right; border-bottom: Black 1pt solid">2017</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="width: 56%; text-align: left; padding-left: 5.4pt">Florida Canyon</TD><TD STYLE="width: 8%">&nbsp;</TD>
    <TD STYLE="width: 1%; text-align: left">$</TD><TD STYLE="width: 12%; text-align: right">550</TD><TD STYLE="width: 1%; text-align: left">&nbsp;</TD><TD STYLE="width: 8%">&nbsp;</TD>
    <TD STYLE="width: 1%; text-align: left">$</TD><TD STYLE="width: 12%; text-align: right">124</TD><TD STYLE="width: 1%; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left; padding-left: 5.4pt">Lik project</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">125</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">54</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="text-align: left; padding-left: 5.4pt">La Promesa</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">86</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">41</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left; padding-bottom: 1pt; padding-left: 5.4pt">Reconnaissance exploration activity</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">493</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">480</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="text-align: left; padding-bottom: 1pt; padding-left: 5.4pt">&nbsp;&nbsp;Total exploration expense</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">$</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">1,254</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">$</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">699</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD></TR>
</TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">We believe a discussion of our general and administrative
costs should be viewed without the non-cash stock option compensation expense which is discussed below. Excluding these costs,
general and administrative costs were $1,294,000 during 2018 compared to $1,152,000 during 2017. We reduced salary and benefits
expense to $619,000 during 2018 compared to $639,000 during 2017 as a result of bonus reductions. In addition, (i) legal and accounting
costs increased to $208,000 during 2018 compared to $134,000 during 2017, primarily due to additional tax work related to the Acquisition;
(ii) travel and investor relation costs increased to $308,000 during 2018 compared to $224,000 during 2017 as a result of expenses
related to increased post-Acquisition disclosures and market activities; (iii) we recorded directors and officer insurance expense
of $60,000 during 2018 compared to $55,000 during 2017; and (iv) other costs related to office, insurance and miscellaneous costs
remained essentially flat at $99,000 during 2018 compared to $98,000 during 2017. We anticipate general and administrative costs
for 2019 will be lower than the costs incurred during 2018 due to several management initiatives to reduce costs; however this
amount may vary significantly during 2019 depending on the outcome of our property evaluations and any strategic transactions we
may attempt to execute upon. We have forecast 2019 general and administrative costs to be approximately $1,122,000, excluding non-cash
stock option compensation expense.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">We account for our employee stock options under
the provisions of Accounting Standards Codification No. 718 (&#8220;ASC No. 718&#8221;). We recognize stock option compensation
expense on the date of grant for 25% of the grant date fair value, and subsequently, based upon a straight-line amortization of
the grant date fair value of each of its outstanding options. During the year ended December 31, 2018, we recorded $660,000 of
non-cash stock option expense for the amortization of our outstanding options grant date fair value with a credit to additional
paid-in-capital compared to $50,000 of non-cash stock option compensation expense during 2017. On June 19, 2018 our shareholders
approved 2,300,000 Conditional Options, and we recorded $422,000 of stock option compensation related to those options during 2018
for the vested portion of the grant date fair value of those options as of the date of approval. In addition, during 2018 we granted
an additional 1,723,000 options and recorded $96,000 of stock option compensation expense related to the vested portion of the
grant date fair value for those options. We recorded an additional $142,000 of stock option compensation expense related to the
vested portion of other outstanding options during 2018. See Note 10, &#8220;Employee Stock Compensation Plans,&#8221; to our consolidated
financial statements in Item 8, &#8220;Financial Statements and Supplementary Data to this Form 10-K&#8221; for an analysis of
the changes in the fair value of our outstanding stock options and the components that are used to determine the fair value.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">We recorded an unrealized loss on marketable
equity securities of $1,058,000 during 2018 in the statement of operations compared to an unrealized loss on marketable equity
securities of $136,000 recorded as other comprehensive income in the statements of shareholders&#8217; equity during 2017. The
loss during 2018 was primarily related to a decrease in the value of our holdings of 11,000,000 shares of Vendetta common stock,
which decreased from a fair value of $2,192,000 at December 31, 2017 to a fair value of $1,249,000 at December 31, 2018 based on
quoted market prices. In addition, we recorded an unrealized loss on marketable equity securities of $108,000 during 2018 on our
holdings of Kinross. We adopted ASU 2016-01 in the first quarter of 2018. We recorded a cumulative-effect adjustment for the change
in accounting principle to accumulated deficit of $576,000 related to the adoption of ASU 2016-01. See Note 10, &#8220;Shareholders&#8217;
Equity&#8221; to the consolidated financial statements.</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"></P>




<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">During 2017 we received proceeds of $666,000
and recorded a realized gain on the sale of marketable equity securities of $578,000 from the sale of 3,480,000 Vendetta common
shares. We used the bulk of the proceeds of $666,000 to exercise 7,240,000 warrants to acquire Vendetta common shares for $578,000.
See Note 3, &#8220;Marketable Equity Securities,&#8221; to the consolidated financial statements in Item 8, &#8220;Financial Statements
and Supplementary Data&#8221; of this Form 10-K for a discussion of the sale of Vendetta shares and the exercise of the Vendetta
Warrants (defined below). As of December 31, 2018, we have 11,000,000 shares of Vendetta common stock and no remaining Vendetta
Warrants. There were no similar sales of shares during 2018. We may sell some of our marketable equity securities from time to
time during 2019 for working capital needs; however, we do not expect to sell all of our holdings of marketable equity securities
during 2019. Any proceeds we may receive from sales of marketable equity securities during 2019 will be dependent on the quoted
market price of the securities sold on the date of sale and may be at prices below the fair value at December 31, 2018. See &#8220;Liquidity
and Capital Resources&#8221; below.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">During 2017 we recorded a gain on derivative
instruments of $271,000 with no similar item during the year ended December 31, 2018. The gains during 2017 were primarily related
to our investment in Vendetta Warrants, which were purchased on May 2, 2016, as part of our strategic investment in Vendetta, where
we acquired 7,240,000 units for Cdn$0.05 per unit, with each unit consisting of one share of Vendetta common stock and one Vendetta
Warrant. Each Vendetta Warrant entitled Solitario the right to acquire one share of Vendetta common stock at a price of Cdn$0.10
per share for a period of two years (&#8220;Vendetta Warrant&#8221;). We recorded a gain on derivative instruments of $216,000
during 2017 related to the Vendetta Warrants. These gains were primarily as a result of an increase in the price of the underlying
Vendetta common shares during 2017. The remaining increase in the gain on derivative instruments was related to the sale of Kinross
calls during 2017 of $55,000. We have sold covered calls on a limited portion of our Kinross common stock that we intend to sell
within one year, to enhance our return on Kinross common stock in exchange for potential upside in those covered Kinross shares.
We may continue to sell covered Kinross call options during 2019. See Note 7, &#8220;Derivative Instruments,&#8221; to our consolidated
financial statements in Item 8, &#8220;Financial Statements and Supplementary Data,&#8221; of this Form 10-K for an analysis of
the changes in our derivative instruments, and the components that are used to determine the fair value of our derivative instruments.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">We recorded $25,000 of depreciation and amortization
during 2018 compared to $13,000 of depreciation and amortization during 2017. The increase is primarily as a result of a full year
of depreciation on the equipment acquired in the Acquisition at the Lik project during 2018. We amortize these assets over a five-year
period. We anticipate our 2019 depreciation and amortization expense will be similar to our 2018 depreciation expense.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">We recorded interest income of $192,000 during
2018 compared to interest income of $123,000 during 2017. The increase during 2018 was primarily related to an increase in the
average interest rate earned on our investment in United States Treasury securities during 2018 compared to 2017, which was partially
offset by a lower average investment during 2018 compared to 2017. We anticipate our interest income will decrease in 2019 compared
to 2018 as a result of the use of our short-term investments and our cash balances for ordinary overhead, operational costs, and
the exploration, evaluation and or acquisition of mineral properties discussed above. See &#8220;Liquidity and Capital Resources,&#8221;
below, for further discussion of our cash and cash equivalent balances.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">We recorded no deferred tax expense or benefit
in either 2018 or 2017 as we provide a valuation allowance for the tax benefit arising out of our net operating losses for all
periods presented. See Note 3, &#8220;Marketable Equity Securities&#8221; and Note 6, &#8220;Income Taxes&#8221; to our consolidated
financial statements in Item 8, &#8220;Financial Statements and Supplementary Data of this Form 10-K for additional discussion
of our income tax valuation allowance, deferred tax assets and our net operating losses for 2018 and 2017. We anticipate we will
continue to provide a valuation allowance for these net operating losses until we are in a net tax liability position with regards
to those countries where we operate or until it is more likely than not that we will be able to realize those net operating losses
in the future.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">We regularly perform evaluations of our mineral
property assets to assess the recoverability of our investments in these assets. All long-lived assets are reviewed for impairment
whenever events or circumstances change which indicate the carrying amount of an asset may not be recoverable utilizing guidelines
based upon future net cash flows from the asset as well as our estimates of the geologic potential of early stage mineral property
and its related value for future sale, joint venture or development by us or others. We had no mineral property impairments during
2018 or 2017.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B>(d). Liquidity and Capital Resources </B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><U>Cash </U></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">As of December 31, 2018, we have $117,000 in
cash. We intend to utilize a portion of this cash and a portion of our short-term investments, discussed below, to fund our ordinary
overhead, operational costs, exploration activities and the </P>




<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">potential acquisition of mineral properties and other assets over
the next several years. We may also use a portion of these assets to repurchase shares of our common stock, pursuant to the terms
of a stock buy-back program discussed below.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><U>Short-term Investments</U></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">As of December 31, 2018, we have $9,345,000
of our current assets in United States Treasury securities (&#8220;USTS&#8221;) with maturities of 15 days to 22 months. The USTS
are recorded at their fair value, based upon quoted market prices. The USTS are highly liquid and may be sold in their entirety
at any time at their quoted market price and are classified as a current asset. We anticipate we will roll over that portion of
our USTS not used for operating costs or mineral property acquisitions as they mature during 2019.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">As of December 31, 2018, we have two bank certificates
of deposit (&#8220;CDs&#8221;) each with a maximum value of $250,000, maturities of three months, and each of which are covered
by Federal Deposit Insurance Corporation insurance to the full-face value of the CDs. In addition, we have a US Dollar bank savings
account in Peru with a fair value of $378,000. The CDs are recorded at their fair value, based upon quoted market prices. The CDs
are highly liquid and may be sold in their entirety at any time at their quoted market price and are classified as a current asset.
We anticipate we will roll over that portion of our CDs not used for operating costs or mineral property acquisitions as they mature
during 2019.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><U>Marketable Equity Securities</U></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Our marketable equity securities are classified
as available-for-sale and are carried at fair value, which is based upon market quotes of the underlying securities. We owned 100,000
shares of Kinross common stock at December 31, 2018. The Kinross shares are recorded at their fair value of $324,000 at December
31, 2018. As of December 31, 2018, we own 11,000,000 shares of Vendetta common stock recorded at their fair market value of $1,248,000
based upon quoted market prices. In addition, we own other marketable equity securities with a fair value of $13,000 as of December
31, 2018 based upon quoted market prices. Changes in the fair value of marketable equity securities are recorded as gains and losses
in the statements of operations.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><U>Working Capital</U></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">We had working capital of $11,448,000 at December
31, 2018 compared to working capital of $14,472,000 as of December 31, 2017. Our working capital at December 31, 2018 consists
primarily of our cash and cash equivalents, our investment in USTS and CDs, discussed above, and our marketable equity securities
of $1,585,000, less our accounts payable of $688,000. As of December 31, 2018, our cash balances along with our short-term investments
and marketable equity securities are adequate to fund our expected expenditures over the next year.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">The nature of the mineral exploration business
requires significant sources of capital to fund exploration, development and operation of mining projects. We expect we will need
additional capital if we decide to develop or operate any of our current exploration projects or any projects or assets we may
acquire. We anticipate we would finance any such development through the use of our cash reserves, short-term investments, joint
ventures, issuance of debt or equity, or the sale of other exploration projects or assets.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><U>Stock-Based Compensation Plans</U></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">At December 31, 2018, options to acquire 5,223,160
shares of our common stock were outstanding, of which 785,840 options were Replacement Options granted in connection with the Acquisition.
There are 2,770,910 options that are vested and exercisable at December 31, 2018. None of our outstanding options are in the money
with an exercise price below the market price of a share of Solitario common stock at December 31, 2018 as quoted on the NYSE American
exchange. See Note 10, &#8220;Employee Stock Compensation Plans&#8221; to our consolidated financial statements in Item 8, &#8220;Financial
Statements and Supplementary Data of this Form 10-K for a discussion of the activity in our 2013 Plan during 2018 and 2017. We
do not anticipate that stock option exercises will be a significant source of cash during 2019.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><U>Share Repurchase Program</U></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">On October 28, 2015, our Board of Directors
approved a share repurchase program that authorized us to purchase up to two million shares of our outstanding common stock. During
2018, our Board of Directors extended the term of the share repurchase program until December 31, 2019. All shares purchased to
date have reduced the number of shares of outstanding common stock. The amount and timing of any shares purchased has been and
will be determined by our management and the purchases will be effected in the open market or in privately negotiated transactions
based upon market conditions and other </P>




<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">factors, including price, regulatory requirements and capital availability
and in compliance with applicable state and federal securities laws. Purchases may also be made in accordance with Rule 10b-18
of the Exchange Act. The repurchase program does not require the purchase of any minimum number of shares of common stock by the
Company, and may be suspended, modified or discontinued at any time without prior notice. No purchases will be made outside of
the United States, including on the TSX. Payments for shares of common stock repurchased under the program will be funded using
the Company&#8217;s working capital. As of December 31, 2018, since the inception of the share repurchase program, we have purchased
a total of 930,900 shares for an aggregate purchase price of $449,000 and these shares are no longer included in our issued and
outstanding shares. We anticipate we will continue to purchase shares under the share repurchase plan during 2019 as determined
by management.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><U>Off-balance sheet arrangements</U></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">As of December 31, 2018, and 2017, we have no
off-balance sheet arrangements.</P>

<P STYLE="font: bold 10pt Times New Roman, Times, Serif; margin: 0; text-align: left; text-indent: 0in">&nbsp;</P>

<P STYLE="font: bold 10pt Times New Roman, Times, Serif; margin: 0; text-align: left; text-indent: 0in">(e). Cash Flows</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Net cash used in operations during the year
ended December 31, 2018 decreased to $1,357,000 compared to $1,658,000 for 2017 primarily as a result of (i) the sale of our Yanacocha
Royalty for $502,000 during 2018 with no similar sale during 2017; (ii) additional interest income of $192,000 during 2018 compared
to $123,000 during 2017 and (iii) an increase in our account payable balance of $547,000 from December 31, 2017 to December 31,
2018, which is primarily related to the accrual of our required payment to Nexa of $527,000 at December 31, 2018 related to the
portion of the drilling completed, but not yet paid, at our Florida Canyon project, discussed above under &#8220;Results of Operations.
Partially offsetting this decreased use of cash in operations was an increase in other exploration activities, including reconnaissance
exploration to $727,000 during 2018 compared to $699,000 during 2017; and (ii) an increase in general and administrative expense,
excluding non-cash stock option compensation to $1,294,000 during 2018 compared to $1,102,000 during 2017 as discussed in further
detail above under &#8220;Results of Operations.&#8221;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Net cash provided by investing activities decreased
to $1,361,000 during 2018 compared to net cash provided of $1,785,000 during 2017. The primary source of cash was the sale of short-term
investments of $1,371,000 during 2018 compared to $3,563,000 during 2017. There were no other significant provisions or uses of
cash during 2018. However, during 2017, Solitario loaned Zazu $1,500,000, prior to the Acquisition, to assist Zazu with its cash
needs in anticipation of the completion of the Acquisition. The remaining uses of cash during 2017 included the net costs to acquire
Zazu of $417,000 and the purchase of the marketable equity securities through the exercise of Vendetta Warrants of $578,000. During
2017 we received proceeds of $666,000 from the sale of Vendetta common shares. Both the exercise of the Vendetta Warrants and the
sale of Vendetta shares are discussed above under &#8220;Results of Operations.&#8221; We also received proceeds of $53,000 from
the sale of derivative instruments, also discussed above under &#8220;Results of Operations.&#8221; We anticipate we will continue
to utilize proceeds from the sale of our short-term investments to fund our operations during 2019.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">The net cash used in financing activities of
$101,000 during 2018 and $32,000 during 2017 were for the repurchase of common stock for cancellation, discussed above. We anticipate
we will use a similar amount of cash as we spent during 2018 for the repurchase of shares during 2019.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B>(f). Development Activities, Exploration Activities, Environmental
Compliance and Contractual Obligations </B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><U>Development Activities</U></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">We do not have any ongoing mineral development
activities, which are activities for the development of mineral properties with reserves for potential mining.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><U>Exploration Activities</U></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">A historically significant part of our business
involves the review of potential property acquisitions and continuing review and analysis of properties in which we have an interest,
to determine the exploration and development potential of the properties. In analyzing expected levels of expenditures for work
commitments and property payments, our obligations to make such payments fluctuate greatly depending on whether, among other things,
we make a decision to sell a property interest, convey a property interest to a joint venture, or allow our interest in a property
to lapse by not making the work commitment or payment required. In acquiring many of our interests in mining claims and leases,
we have entered into agreements, which generally may be canceled at our option. We are often required to make minimum rental and
option payments in order to maintain our interest in certain claims and leases. Our net 2018 mineral and surface property rental
and </P>




<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">option payments, included in exploration expense, were $10,000.
Our 2019 total exploration property rentals and option payments for properties we own or operate are estimated to be approximately
$729,000. Assuming that our joint ventures continue in their current status and that we do not appreciably change our property
positions on existing properties, we estimate that our joint venture partners will pay on our behalf or reimburse us approximately
$712,000 of these annual payments. These obligations are detailed below under &#8220;Contractual Obligations.&#8221; In addition,
we may be required to make further payments in the future if we elect to exercise our options under those agreements or if we enter
into new agreements.</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><U>Environmental Compliance</U></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">We are subject to various federal, state and
local environmental laws and regulations in the countries where we operate. We are required to obtain permits in advance of initiating
certain of our exploration activities, to monitor and report on certain activities to appropriate authorities, and to perform remediation
of environmental disturbance as a result of certain of our activities. Historically, the nature of our activities of review, acquisition
and exploration of properties prior to the establishment of reserves, which may include mapping, sampling, geochemistry and geophysical
studies, as well as some limited exploration drilling, has not resulted in significant environmental impacts in the past. We have
historically carried on our required environmental remediation expenditures and activities, if any, concurrently with our exploration
activities and expenditures. The expenditures to comply with our environmental obligations are included in our exploration expenditures
in the statement of operations and have not been material to our capital or exploration expenditures and have not had a material
effect on our financial position. For the years ended December 31, 2018 and 2017, we have not capitalized any costs related to
environmental control facilities. We do not anticipate our exploration activities will result in any material new or additional
environmental expenditures or liabilities in the near future.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><U>Contractual Obligations</U></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">The following table provides an analysis of
our contractual obligations:</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR STYLE="background-color: rgb(204,238,255)">
    <TD ROWSPAN="2" STYLE="vertical-align: bottom; padding: 0.75pt">(in thousands)</TD>
    <TD COLSPAN="5" STYLE="border-bottom: Black 1pt solid; padding: 0.75pt; text-align: center"><B>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;As of December 31, 2018</B><BR>
<B>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Payments due by period</B></TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="border-bottom: Black 1pt solid; padding: 0.75pt 3.75pt 0.75pt 0.75pt; text-align: center"><B>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Total</B></TD>
    <TD STYLE="border-top: Black 1pt solid; border-bottom: Black 1pt solid; padding: 0.75pt 3.75pt 0.75pt 0.75pt; text-align: center"><B>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Less than 1 year</B></TD>
    <TD STYLE="border-top: Black 1pt solid; border-bottom: Black 1pt solid; padding: 0.75pt 3.75pt 0.75pt 0.75pt; text-align: center"><B>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;1&#8211;3 years</B></TD>
    <TD STYLE="border-top: Black 1pt solid; border-bottom: Black 1pt solid; padding: 0.75pt 3.75pt 0.75pt 0.75pt; text-align: center"><B>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;4&#8211;5 years</B></TD>
    <TD STYLE="border-top: Black 1pt solid; border-bottom: Black 1pt solid; padding: 0.75pt 3.75pt 0.75pt 0.75pt; text-align: center"><B>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;More than </B><BR>
<B>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;5 years</B></TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="width: 40%; padding: 0.75pt">Operating Lease Obligations (1)</TD>
    <TD STYLE="width: 11%; border-bottom: Black 1pt solid; padding: 0.75pt 3.75pt 0.75pt 0.75pt; text-align: right">$&nbsp;&nbsp;&nbsp;85&nbsp;</TD>
    <TD STYLE="width: 12%; border-bottom: Black 1pt solid; padding: 0.75pt 3.75pt 0.75pt 0.75pt; text-align: right">$&nbsp;&nbsp;&nbsp;43&nbsp;</TD>
    <TD STYLE="width: 12%; border-bottom: Black 1pt solid; padding: 0.75pt 3.75pt 0.75pt 0.75pt; text-align: right">$ 42&nbsp;</TD>
    <TD STYLE="width: 11%; border-bottom: Black 1pt solid; padding: 0.75pt 3.75pt 0.75pt 0.75pt; text-align: right">$&nbsp;&nbsp;&nbsp;-&nbsp;&nbsp;</TD>
    <TD STYLE="width: 14%; border-bottom: Black 1pt solid; padding: 0.75pt 3.75pt 0.75pt 0.75pt; text-align: right">$&nbsp;&nbsp;&nbsp;-&nbsp;&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="padding: 0.75pt">Mineral property option and lease payments (2)</TD>
    <TD STYLE="padding: 0.75pt 3.75pt 0.75pt 0.75pt; text-align: right">$&nbsp;&nbsp;&nbsp;17&nbsp;</TD>
    <TD STYLE="padding: 0.75pt 3.75pt 0.75pt 0.75pt; text-align: right">$&nbsp;&nbsp;&nbsp;17&nbsp;</TD>
    <TD STYLE="padding: 0.75pt 3.75pt 0.75pt 0.75pt; text-align: right">$ &nbsp;-&nbsp;&nbsp;</TD>
    <TD STYLE="padding: 0.75pt 3.75pt 0.75pt 0.75pt; text-align: right">$&nbsp;&nbsp;&nbsp;-&nbsp;&nbsp;</TD>
    <TD STYLE="padding: 0.75pt 3.75pt 0.75pt 0.75pt; text-align: right">$&nbsp;&nbsp;&nbsp;-&nbsp;&nbsp;</TD></TR>
</TABLE>
<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.25in"><FONT STYLE="font-size: 8pt"><I>(1)</I></FONT></TD><TD STYLE="padding-right: 0.55in"><FONT STYLE="font-size: 8pt"><I>Lease obligation on our Wheat Ridge Colorado office.</I></FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.25in"><FONT STYLE="font-size: 8pt"><I>(2)</I></FONT></TD><TD STYLE="padding-right: 0.55in"><FONT STYLE="font-size: 8pt"><I>Mineral property payments under lease and property claim and
concession payments for the next year, net of joint venture payments.</I></FONT></TD></TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B>(g). Exploration Joint Ventures, Royalty and Other Properties
</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">The following discussion relates to an analysis
of our anticipated property exploration plans as of December 31, 2018. Please also see Note 2, &#8220;Mineral Properties,&#8221;
to the consolidated financial statements in Item 8, &#8220;Financial Statements and Supplementary Data,&#8221; and our discussion
of our properties under Item 2, &#8220;Properties&#8221; of this Annual Report on Form 10-K for a more complete discussion of all
of our mineral properties.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><U>Florida Canyon </U></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">The Florida Canyon project is an advanced-stage
high-grade zinc project in Peru. Based on extensive exploration and development work conducted to date, we believe the property
has excellent potential to be developed into a mine over the next several years. The project is held in a joint venture between
Nexa (61%) and Solitario (39%).</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Solitario and Nexa jointly completed a PEA in
2017 that incorporated a variety of Nexa-generated prefeasibility studies into the analysis. The PEA evaluation included resource
estimation, mining and processing recovery estimates, a preliminary mining and processing plan, infrastructure layout, environmental
considerations and an economic analysis based on the certain base case parameters. The PEA envisioned an underground mining operation
with a 2,500 tonne per day floatation mill for processing, resulting in a 12.5-year mine life. Concentrates would be trucked to
Nexa&#8217;s Cajamarquilla zinc smelter facility in Lima, Peru.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">The terrain at Florida Canyon is steep and
previous project access supporting surface and underground work programs was conducted by helicopter. The lack of road access
restricted the scope of field activities to further advance the project. During 2018 certain work was undertaken on road access
to the project, and Nexa expects to continue to work on completing the road access during 2019. Upon the completion of the road,
heavy equipment will be able to enter the project area and allow feasibility related activities to proceed more efficiently. Important
future activities that will be facilitated by the completion of the road are the construction of an underground tunnel into the
Karen-Milagros high-grade zinc zone, detailed underground resource/reserve definition drilling, surface drilling designed to increase
the project resources and additional feasibility-related studies. Continuing road work is scheduled to begin in May 2019 after
the rainy season ends and continue until the road is completed.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">In August of 2018, Solitario agreed to fund
a portion of a 2018 &#8211; 2019 drilling program at Florida Canyon. Per the agreement, Solitario will fund up to $1,580,000 of
a planned 41-hole 17,000-meter drilling program to be conducted through December 31, 2019. Upon Nexa completing the first 1,700
meters of the Drilling Program, Solitario will pay Nexa $527,000, upon completion of the next 1,700 meters (3,400 meters total)
of the Drilling Program, Solitario will pay Nexa $527,000, and upon completion of the next 1,700 meters (5,100 meters total) of
the Drilling Program, Solitario will pay Nexa the balance remaining on its $1,580,000 funding commitment, or $526,000. Solitario
has no obligation to pay Nexa prior to the attainment of the separate 1,700-meter thresholds. The funding commitments are in the
form of an advance on Solitario&#8217;s commitment to fund 30% of any future development of Florida Canyon under the original joint
venture agreement between Solitario and Nexa. Accordingly, in the event Florida Canyon is developed, which cannot be assured at
this time, any funds paid to Nexa under this agreement, will reduce the amount of Solitario&#8217;s obligation to fund 30% of future
development costs, and / or repay any loans from Nexa for future development costs at Florida Canyon. As of December 31, 2018,
Nexa had completed four holes and a total of 2,203 meters under the Drilling Program, and Solitario has recorded an account payable
to Nexa of $527,000 and recorded a charge to exploration expense of $527,000. Our exploration budget at Florida Canyon for 2019
includes the remaining drilling of approximately $1,053,000.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><U>Lik project</U></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">The Lik project is an advanced-staged high-grade
zinc project. The project is held in a joint venture between Teck (50%) and Solitario (50%).</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Zazu completed a PEA in 2014 that incorporated
a variety of prefeasibility studies into the analysis. These studies included resource estimation, mining and processing recovery
estimates, a preliminary mining and processing plan, infrastructure layout, environmental considerations and an economic analysis
based on the base case parameters. The PEA envisioned an open pit mining operation with a 5,500 ton per day floatation mill for
processing resulting in a nine-year mine life. Concentrates would be handled through the DMTS road and port system that currently
handles all concentrate produced by the nearby Red Dog zinc mine of Teck. A summary of metallurgical testing and mineral processing
is provided below. The PEA analyzed the Lik project as a stand-alone operation building its own independent processing, tailings
and port facilities.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">During 2018 Solitario and Teck jointly funded
a gravity geophysical program, geologic mapping, geochemical sampling, an evaluation of past baseline environmental work for mine
permitting previously initiated by Zazu, and rehabilitation work the Lik camp. Based on this work, Teck and Solitario have agreed
to a 2019 joint exploration budget of $420,000 at Lik (Solitario&#8217;s portion $210,000) and anticipate exploration activities
to be similar to the exploration activities during 2018. Teck will manage the 2019 exploration program, although Solitario will
remain the manager of the joint venture.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: left"><U>Royalty Properties</U></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">On April 26, 2018, Solitario, through its wholly
owned subsidiary Minera Solitario Per&uacute; S.A.C., sold the non-producing Yanacocha royalty to Minera Los Tapados S.A., a wholly
owned subsidiary of Newmont for approximately $502,000 in cash.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Subsequent to December 31, 2018, on January
22, 2019, we announced the sale of our interests in a retained royalty on the Pedra Branca project in Brazil, a retained royalty
on non-producing exploration properties in Mexico, and an option to purchase our royalty on certain non-producing mineral claims
in Montana to SilverStream for Cdn$250,000 in cash and a one-year promissory note from SilverStream for Cdn$350,000.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><U>Other Properties</U></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: left; text-indent: 0.5in">We have budgeted 2019 exploration
expenditures of $667,000 for exploration and evaluation of existing and potential new acquisitions of properties primarily in Peru,
and to a lesser extent in other regions of North and South America. We expect to carry out limited exploration activities during
2019 utilizing our own employees and contract geologists.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: left">&nbsp;</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: left"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B>(h). Discontinued Projects</B></P>




<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">We had no mineral property impairments during
2018 or 2017.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B>(i). Significant Accounting Policies</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">See Note 1, &#8220;Business and Summary of Significant
Accounting Policies,&#8221; in Item 8, &#8220;Financial Statements and Supplementary Data&#8221; of this Form 10-K for a discussion
of our significant accounting policies.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B>(j). Related Party Transactions</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">None</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B>(k). Recent Accounting Pronouncements </B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">See Note 1, &#8220;Business and Summary of Significant
Accounting Policies,&#8221; in Item 8 &#8220;Financial Statements and Supplementary Data&#8221; of this Form 10-K for a discussion
of recent accounting pronouncements.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/85% Times New Roman, Times, Serif; margin: 0"><B>Item 7A. <U>Quantitative and Qualitative Disclosures about
Market Risk</U></B></P>

<P STYLE="font: 10pt/85% Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 10pt/85% Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Smaller reporting companies are not required
to provide the information required by this item.</P>

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<P STYLE="font: 10pt/85% Times New Roman, Times, Serif; margin: 0"></P>




<P STYLE="font: 10pt/85% Times New Roman, Times, Serif; margin: 0; text-indent: 22.5pt">&nbsp;</P>

<P STYLE="font: 10pt/85% Times New Roman, Times, Serif; margin: 0"><B>Item 8. <U>Financial Statements and Supplementary Data</U></B></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR>
    <TD STYLE="vertical-align: top; width: 4%; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="vertical-align: top; width: 88%; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; width: 8%; padding-right: 5.4pt; padding-left: 5.4pt">Page</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,238,255)">
    <TD COLSPAN="2" STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Consolidated Financial Statements</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">&nbsp;</TD></TR>
<TR STYLE="background-color: White">
    <TD STYLE="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding-right: 5.4pt; padding-left: 0.2in; text-indent: -0.2in">Reports of Independent Registered Public Accounting Firm</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">39</TD></TR>
<TR STYLE="background-color: rgb(204,238,255)">
    <TD STYLE="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding-right: 5.4pt; padding-left: 0.2in; text-indent: -0.2in">Consolidated Balance Sheets as of December 31, 2018 and 2017&nbsp;&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">41</TD></TR>
<TR STYLE="background-color: White">
    <TD STYLE="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding-right: 5.4pt; padding-left: 0.2in; text-indent: -0.2in">Consolidated Statements of Operations for the years ended December 31, 2018 and 2017</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">42</TD></TR>
<TR STYLE="background-color: rgb(204,238,255)">
    <TD STYLE="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0 0.2in; text-indent: -0.2in">Consolidated Statements of Other
        Comprehensive Income for the years ended</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0 0.2in; text-indent: -0.2in">December 31, 2018 and 2017</P></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">43</TD></TR>
<TR STYLE="background-color: White">
    <TD STYLE="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding-right: 5.4pt; padding-left: 0.2in; text-indent: -0.2in">Consolidated Statements of Shareholders' Equity for the years ended December 31, 2018 and <BR>
2017</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">44</TD></TR>
<TR STYLE="background-color: rgb(204,238,255)">
    <TD STYLE="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding-right: 5.4pt; padding-left: 0.2in; text-indent: -0.2in">Consolidated Statements of Cash Flows for the years ended December 31, 2018 and 2017</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">45</TD></TR>
<TR STYLE="background-color: White">
    <TD STYLE="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="vertical-align: top; padding-right: 5.4pt; padding-left: 0.2in; text-indent: -0.2in">Notes to Consolidated Financial Statements&nbsp;&nbsp;&nbsp;</TD>
    <TD STYLE="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">46</TD></TR>
</TABLE>
<P STYLE="font: 9pt Times New Roman, Times, Serif; margin: 0; text-align: center">&nbsp;</P>

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<P STYLE="font: 9pt Times New Roman, Times, Serif; margin: 0; text-align: center"></P>




<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING
FIRM</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">To the Shareholders and Board of Directors</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">Solitario Zinc Corp.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">Wheat Ridge, Colorado</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><B><I>Opinion on the Financial Statements</I></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">We have audited the accompanying consolidated
balance sheet of Solitario Zinc Corp. (the &#8220;Company&#8221;) as of December 31, 2018, the related consolidated statements
of operations, stockholders&#8217; equity, and cash flows for the year ended December 31, 2018, and the related notes (collectively
referred to as the &#8220;financial statements&#8221;). In our opinion, the financial statements referred to above present fairly,
in all material respects, the financial position of the Company as of December 31, 2018, and the results of its operations and
its cash flows for the year ended December 31, 2018 in conformity with accounting principles generally accepted in the United States
of America.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><B><I>Basis for Opinion</I></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">The Company's management is responsible for
these financial statements. Our responsibility is to express an opinion on the Company&#8217;s financial statements based on our
audit. We are a public accounting firm registered with the Public Company Accounting Oversight Board (United States) (&#8220;PCAOB&#8221;)
and are required to be independent with respect to the Company in accordance with the U.S. federal securities laws and the applicable
rules and regulations of the Securities and Exchange Commission and the PCAOB.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">We conducted our audit in accordance with the
standards of the PCAOB. Those standards require that we plan and perform the audit to obtain reasonable assurance about whether
the financial statements are free of material misstatement, whether due to error or fraud. The Company is not required to have,
nor were we engaged to perform, an audit of its internal control over financial reporting. As part of our audit we are required
to obtain an understanding of internal control over financial reporting but not for the purpose of expressing an opinion on the
effectiveness of the Company's internal control over financial reporting. Accordingly, we express no such opinion.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">Our audit included performing procedures to
assess the risks of material misstatement of the financial statements, whether due to error or fraud, and performing procedures
that respond to those risks. Such procedures included examining, on a test basis, evidence regarding the amounts and disclosures
in the financial statements. Our audit also included evaluating the accounting principles used and significant estimates made by
management, as well as evaluating the overall presentation of the financial statements. We believe that our audit provides a reasonable
basis for our opinion.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/85% Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/85% Times New Roman, Times, Serif; margin: 0; text-align: justify">Plante &amp; Moran, PLLC &#9;</P>

<P STYLE="font: 10pt/85% Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/85% Times New Roman, Times, Serif; margin: 0; text-align: justify">We have served as the Company&#8217;s auditor
since 2005.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0.2pt 0 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/85% Times New Roman, Times, Serif; margin: 0; text-align: justify">Denver, Colorado &#9;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">February 28, 2019<FONT STYLE="letter-spacing: -0.1pt">&#9;</FONT></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><FONT STYLE="letter-spacing: -0.1pt"></FONT></P>




<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>Report of Independent Public Accounting Firm</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">To the Shareholders and Board of Directors of</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">Solitario Zinc Corp.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">Wheat Ridge, Colorado</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B>OPINIONS ON THE CONSOLIDATED FINANCIAL STATEMENTS </B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">We have audited the accompanying consolidated
balance sheets of Solitario Zinc Corp. (the &#8220;Company&#8221;) as of December&nbsp;31, 2017, and the related consolidated statements
of income, comprehensive income, stockholders&#8217; equity, and cash flows, for each year in the two-year period ended December&nbsp;31,
2017, and the related notes (collectively referred to as the &#8220;financial statements&#8221;).&nbsp;</P>

<P STYLE="font: 13.5pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">In our opinion, the financial statements referred
to above present fairly, in all material respects, the financial position of the Company as of December&nbsp;31, 2017, and the
results of its operations and its cash flows for each year in the two-year period ended December&nbsp;31, 2017, in conformity with
accounting principles generally accepted in the United States of America.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B>BASIS FOR OPINIONS</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">We conducted our audits in accordance with the
standards of the PCAOB. Those standards require that we plan and perform the audits to obtain reasonable assurance about whether
the financial statements are free of material misstatement, whether due to error or fraud.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">EKS&amp;H LLLP</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">March&nbsp;14, 2018</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Denver, Colorado</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"></P>




<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">SOLITARIO ZINC CORP.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">CONSOLIDATED BALANCE SHEETS</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>



<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; width: 100%; font: 10pt Times New Roman, Times, Serif">
<TR STYLE="vertical-align: bottom">
    <TD>(in thousands of U.S. dollars, except share and per share amounts)</TD><TD>&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center">December 31,</TD><TD>&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center">December 31,</TD></TR>
<TR STYLE="vertical-align: bottom">
    <TD>&nbsp;</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center; border-bottom: Black 1pt solid">2018</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center; border-bottom: Black 1pt solid">2017</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="text-align: center; padding-left: 5.4pt">Assets</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="font-weight: bold; text-align: left; padding-left: 5.4pt">Current assets:</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="width: 56%; text-align: left; padding-left: 5.4pt">&nbsp;&nbsp;Cash and cash equivalents</TD><TD STYLE="width: 8%">&nbsp;</TD>
    <TD STYLE="width: 1%; text-align: left">$</TD><TD STYLE="width: 12%; text-align: right">117</TD><TD STYLE="width: 1%; text-align: left">&nbsp;</TD><TD STYLE="width: 8%">&nbsp;</TD>
    <TD STYLE="width: 1%; text-align: left">$</TD><TD STYLE="width: 12%; text-align: right">214</TD><TD STYLE="width: 1%; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left; padding-left: 5.4pt">&nbsp;&nbsp;Short-term investments, at fair value</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">10,223</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">11,642</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="text-align: left; padding-left: 5.4pt">&nbsp;&nbsp;Investments in marketable equity securities, at fair value</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">1,585</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">2,643</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left; padding-bottom: 1pt; padding-left: 5.4pt">&nbsp;&nbsp;Prepaid expenses and other</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">211</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">114</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="text-align: left; padding-left: 5.4pt">&nbsp;&nbsp;&nbsp;&nbsp;Total current assets</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">12,136</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">14,613</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="padding-left: 5.4pt">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="text-align: left; padding-left: 5.4pt">Mineral properties</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">15,657</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">15,657</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left; padding-bottom: 1pt; padding-left: 5.4pt">Other assets</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">110</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">125</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="text-align: left; padding-bottom: 1pt; padding-left: 5.4pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Total assets</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">$</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">27,903</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">$</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">30,395</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="padding-left: 5.4pt">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="text-align: center; padding-left: 5.4pt">Liabilities and Shareholders&rsquo; Equity</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="font-weight: bold; text-align: left; padding-left: 5.4pt">Current liabilities:</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="text-align: left; padding-left: 5.4pt">&nbsp;&nbsp;Accounts payable</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">$</TD><TD STYLE="text-align: right">688</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">$</TD><TD STYLE="text-align: right">141</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="padding-left: 5.4pt">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="font-weight: bold; text-align: left; padding-left: 5.4pt">Long-term liabilities</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left; padding-left: 5.4pt">&nbsp;&nbsp;Asset retirement obligation - Lik</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">125</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">125</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="padding-left: 5.4pt">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="font-weight: bold; text-align: left; padding-left: 5.4pt">Commitments and contingencies (Note 9)</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="padding-left: 5.4pt">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="font-weight: bold; text-align: left; padding-left: 5.4pt">Shareholders&rsquo; equity:</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="text-align: left; padding-left: 5.4pt">Solitario shareholders&rsquo; equity</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left; padding-left: 5.4pt">&nbsp;&nbsp;Preferred stock, $0.01 par value, authorized 10,000,000 shares (none issued <BR> &nbsp;&nbsp;&nbsp;&nbsp;and outstanding at December 31, 2018 and 2017)</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="text-align: left; padding-left: 5.4pt">&nbsp;&nbsp;Common stock, $0.01 par value, authorized, 100,000,000&nbsp;shares <BR> &nbsp;&nbsp;&nbsp;&nbsp;(58,171,466 and 58,434,566, respectively, shares issued and outstanding <BR> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;at December 31, 2018 and 2017)</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">582</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">584</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left; padding-left: 5.4pt">&nbsp;&nbsp;Additional paid-in capital</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">69,873</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">69,312</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="text-align: left; padding-left: 5.4pt">&nbsp;&nbsp;Accumulated deficit</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">(43,365</TD><TD STYLE="text-align: left">)</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">(40,343</TD><TD STYLE="text-align: left">)</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left; padding-bottom: 1pt; padding-left: 5.4pt">&nbsp;&nbsp;Accumulated Other Comprehensive Income</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">&nbsp;</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">576</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="text-align: left; padding-bottom: 1pt; padding-left: 5.4pt">&nbsp;&nbsp;&nbsp;&nbsp;Total shareholders' equity</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">27,090</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">30,129</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left; padding-bottom: 1pt; padding-left: 5.4pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Total liabilities and shareholders' equity</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">$</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">27,903</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">$</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">30,395</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD></TR>
</TABLE>





<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">See Notes to Consolidated Financial Statements.</P>

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    <DIV STYLE="page-break-before: always; margin-top: 6pt; margin-bottom: 6pt"><P STYLE="margin: 0pt">&nbsp;</P></DIV>
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"></P>




<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">SOLITARIO ZINC CORP.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">CONSOLIDATED STATEMENTS OF OPERATIONS</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; width: 100%; font: 10pt Times New Roman, Times, Serif">
<TR STYLE="vertical-align: bottom">
    <TD>(in thousands, except share and per share amounts)</TD><TD>&nbsp;</TD>
    <TD COLSPAN="7" STYLE="text-align: center">For the years ended December 31,</TD></TR>
<TR STYLE="vertical-align: bottom">
    <TD>&nbsp;</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center; border-bottom: Black 1pt solid">2018</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center; border-bottom: Black 1pt solid">2017</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="width: 56%; text-align: left; padding-left: 5.4pt">Revenue &ndash; mineral property sale</TD><TD STYLE="width: 8%">&nbsp;</TD>
    <TD STYLE="width: 1%; text-align: left">$</TD><TD STYLE="width: 12%; text-align: right">502</TD><TD STYLE="width: 1%; text-align: left">&nbsp;</TD><TD STYLE="width: 8%">&nbsp;</TD>
    <TD STYLE="width: 1%; text-align: left">$</TD><TD STYLE="width: 12%; text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="width: 1%; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="padding-left: 5.4pt">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="font-weight: bold; text-align: left; padding-left: 5.4pt">Costs, expenses and other</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left; padding-left: 5.4pt">&nbsp;&nbsp;Exploration expense</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">1,254</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">699</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="text-align: left; padding-left: 5.4pt">&nbsp;&nbsp;Depreciation and amortization</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">25</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">13</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left; padding-bottom: 1pt; padding-left: 5.4pt">&nbsp;&nbsp;General and administrative</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">1,954</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">1,202</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="font-weight: bold; text-align: left; padding-bottom: 1pt; padding-left: 5.4pt">Total costs, expenses and other</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">3,233</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">1,914</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="font-weight: bold; text-align: left; padding-left: 5.4pt">Other (expense) income</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="text-align: left; padding-left: 5.4pt">&nbsp;&nbsp;Interest and dividend income (net)</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">192</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">123</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left; padding-left: 5.4pt">&nbsp;&nbsp;Gain on sale of marketable equity securities</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">578</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="text-align: left; padding-left: 5.4pt">&nbsp;&nbsp;Unrealized loss on marketable equity securities</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">(1,058</TD><TD STYLE="text-align: left">)</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left; padding-left: 5.4pt">&nbsp;&nbsp;Gain on derivative instruments</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">271</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="text-align: left; padding-bottom: 1pt; padding-left: 5.4pt">&nbsp;&nbsp;Loss on sale of assets</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">(1</TD><TD STYLE="padding-bottom: 1pt; text-align: left">)</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="font-weight: bold; text-align: left; padding-bottom: 1pt; padding-left: 5.4pt">Total other income (expense)</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">(867</TD><TD STYLE="padding-bottom: 1pt; text-align: left">)</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">972</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="font-weight: bold; text-align: left; padding-bottom: 1pt; padding-left: 5.4pt">Net loss</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">$</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">(3,598</TD><TD STYLE="padding-bottom: 1pt; text-align: left">)</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">$</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">(942</TD><TD STYLE="padding-bottom: 1pt; text-align: left">)</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="font-weight: bold; padding-bottom: 1pt; padding-left: 5.4pt">Loss per common share</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">&nbsp;</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">&nbsp;</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="font-weight: bold; text-align: left; padding-bottom: 1pt; padding-left: 5.4pt">&nbsp;&nbsp;basic and diluted</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">$</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">(0.06</TD><TD STYLE="padding-bottom: 1pt; text-align: left">)</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">$</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">(0.02</TD><TD STYLE="padding-bottom: 1pt; text-align: left">)</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="font-weight: bold; padding-bottom: 2.5pt; padding-left: 5.4pt">Weighted average shares outstanding</TD><TD STYLE="padding-bottom: 2.5pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 2.5pt double; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 2.5pt double; text-align: right">&nbsp;</TD><TD STYLE="padding-bottom: 2.5pt; text-align: left">&nbsp;</TD><TD STYLE="padding-bottom: 2.5pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 2.5pt double; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 2.5pt double; text-align: right">&nbsp;</TD><TD STYLE="padding-bottom: 2.5pt; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="font-weight: bold; text-align: left; padding-bottom: 1pt; padding-left: 5.4pt">&nbsp;&nbsp;Basic and diluted</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">58,360</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">47,990</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="padding-bottom: 2.5pt; padding-left: 5.4pt">&nbsp;</TD><TD STYLE="padding-bottom: 2.5pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 2.5pt double; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 2.5pt double; text-align: right">&nbsp;</TD><TD STYLE="padding-bottom: 2.5pt; text-align: left">&nbsp;</TD><TD STYLE="padding-bottom: 2.5pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 2.5pt double; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 2.5pt double; text-align: right">&nbsp;</TD><TD STYLE="padding-bottom: 2.5pt; text-align: left">&nbsp;</TD></TR>
</TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">See Notes to Consolidated Financial Statements.</P>

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    <DIV STYLE="page-break-before: always; margin-top: 6pt; margin-bottom: 6pt"><P STYLE="margin: 0pt">&nbsp;</P></DIV>
    <!-- Field: /Page -->

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"></P>




<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 17.1pt 0 0; text-align: center">SOLITARIO ZINC CORP.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0.25in 0 0; text-align: center">CONSOLIDATED STATEMENTS OF COMPREHENSIVE
LOSS</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0.25in 0 0; text-align: center">FOR THE YEARS ENDED DECEMBER 31,
2018 AND 2017</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0.25in 0 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0.25in 0 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0.25in 0 0; text-align: center">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; width: 100%; font: 10pt Times New Roman, Times, Serif">
<TR STYLE="vertical-align: bottom">
    <TD>(in thousands of U.S. Dollars)</TD><TD>&nbsp;</TD>
    <TD COLSPAN="7" STYLE="text-align: center">For the year ended December 31,</TD></TR>
<TR STYLE="vertical-align: bottom">
    <TD>&nbsp;</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center; border-bottom: Black 1pt solid">2018</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center; border-bottom: Black 1pt solid">2017</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="width: 56%; text-align: left; padding-left: 5.4pt">Net loss for the period, before other comprehensive loss</TD><TD STYLE="width: 8%">&nbsp;</TD>
    <TD STYLE="width: 1%; text-align: left">$</TD><TD STYLE="width: 12%; text-align: right">(3,598</TD><TD STYLE="width: 1%; text-align: left">)</TD><TD STYLE="width: 8%">&nbsp;</TD>
    <TD STYLE="width: 1%; text-align: left">$</TD><TD STYLE="width: 12%; text-align: right">(942</TD><TD STYLE="width: 1%; text-align: left">)</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left; padding-left: 5.4pt">Other comprehensive loss:</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="text-align: left; padding-bottom: 1pt; padding-left: 5.4pt">&nbsp;&nbsp;Unrealized gain (loss) on marketable equity securities, net of deferred taxes</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">(136</TD><TD STYLE="padding-bottom: 1pt; text-align: left">)</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left; padding-bottom: 1pt; padding-left: 5.4pt">Comprehensive loss</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">$</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">(3,598</TD><TD STYLE="padding-bottom: 1pt; text-align: left">)</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">$</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">(1,078</TD><TD STYLE="padding-bottom: 1pt; text-align: left">)</TD></TR>
</TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0.25in 0 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0.25in 0 0">See Notes to Consolidated Financial Statements.</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">SOLITARIO ZINC CORP.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">FOR THE YEARS ENDED DECEMBER 31, 2018 AND 2017</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; width: 100%; font: 10pt Times New Roman, Times, Serif">
<TR STYLE="vertical-align: bottom">
    <TD>(in thousands, of U.S. Dollars</TD><TD>&nbsp;</TD>
    <TD COLSPAN="7" STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center">Accumulated</TD><TD>&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom">
    <TD>except share amounts)</TD><TD>&nbsp;</TD>
    <TD COLSPAN="7" STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center">Additional</TD><TD>&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center">Other</TD><TD>&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center">Total</TD></TR>
<TR STYLE="vertical-align: bottom">
    <TD>&nbsp;</TD><TD>&nbsp;</TD>
    <TD COLSPAN="7" STYLE="text-align: center">Common Stock</TD><TD>&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center">Paid-in</TD><TD>&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center">Accumulated</TD><TD>&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center">Comprehensive</TD><TD>&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center">Shareholders&rsquo;</TD></TR>
<TR STYLE="vertical-align: bottom">
    <TD>&nbsp;</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center; border-bottom: Black 1pt solid">Shares</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center; border-bottom: Black 1pt solid">Amount</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center; border-bottom: Black 1pt solid">Capital</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center; border-bottom: Black 1pt solid">Deficit</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center; border-bottom: Black 1pt solid">Income</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center; border-bottom: Black 1pt solid">Equity</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="width: 40%; font-weight: bold">Balance at December 31, 2016</TD><TD STYLE="width: 2%; font-weight: bold">&nbsp;</TD>
    <TD STYLE="width: 1%; font-weight: bold; text-align: left">&nbsp;</TD><TD STYLE="width: 6%; font-weight: bold; text-align: right">38,693,589</TD><TD STYLE="width: 1%; font-weight: bold; text-align: left">&nbsp;</TD><TD STYLE="width: 2%; font-weight: bold">&nbsp;</TD>
    <TD STYLE="width: 1%; font-weight: bold; text-align: left">$</TD><TD STYLE="width: 6%; font-weight: bold; text-align: right">387</TD><TD STYLE="width: 1%; font-weight: bold; text-align: left">&nbsp;</TD><TD STYLE="width: 2%; font-weight: bold">&nbsp;</TD>
    <TD STYLE="width: 1%; font-weight: bold; text-align: left">$</TD><TD STYLE="width: 6%; font-weight: bold; text-align: right">55,790</TD><TD STYLE="width: 1%; font-weight: bold; text-align: left">&nbsp;</TD><TD STYLE="width: 2%; font-weight: bold">&nbsp;</TD>
    <TD STYLE="width: 1%; font-weight: bold; text-align: left">$</TD><TD STYLE="width: 6%; font-weight: bold; text-align: right">(39,401</TD><TD STYLE="width: 1%; font-weight: bold; text-align: left">)</TD><TD STYLE="width: 2%; font-weight: bold">&nbsp;</TD>
    <TD STYLE="width: 1%; font-weight: bold; text-align: left">$</TD><TD STYLE="width: 6%; font-weight: bold; text-align: right">712</TD><TD STYLE="width: 1%; font-weight: bold; text-align: left">&nbsp;</TD><TD STYLE="width: 2%; font-weight: bold">&nbsp;</TD>
    <TD STYLE="width: 1%; font-weight: bold; text-align: left">$</TD><TD STYLE="width: 6%; font-weight: bold; text-align: right">17,488</TD><TD STYLE="width: 1%; font-weight: bold; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="padding-bottom: 2.5pt">&nbsp;</TD><TD STYLE="font-weight: bold; padding-bottom: 2.5pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 2.5pt double; font-weight: bold; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 2.5pt double; font-weight: bold; text-align: right">&nbsp;</TD><TD STYLE="padding-bottom: 2.5pt; font-weight: bold; text-align: left">&nbsp;</TD><TD STYLE="font-weight: bold; padding-bottom: 2.5pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 2.5pt double; font-weight: bold; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 2.5pt double; font-weight: bold; text-align: right">&nbsp;</TD><TD STYLE="padding-bottom: 2.5pt; font-weight: bold; text-align: left">&nbsp;</TD><TD STYLE="font-weight: bold; padding-bottom: 2.5pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 2.5pt double; font-weight: bold; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 2.5pt double; font-weight: bold; text-align: right">&nbsp;</TD><TD STYLE="padding-bottom: 2.5pt; font-weight: bold; text-align: left">&nbsp;</TD><TD STYLE="font-weight: bold; padding-bottom: 2.5pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 2.5pt double; font-weight: bold; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 2.5pt double; font-weight: bold; text-align: right">&nbsp;</TD><TD STYLE="padding-bottom: 2.5pt; font-weight: bold; text-align: left">&nbsp;</TD><TD STYLE="font-weight: bold; padding-bottom: 2.5pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 2.5pt double; font-weight: bold; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 2.5pt double; font-weight: bold; text-align: right">&nbsp;</TD><TD STYLE="padding-bottom: 2.5pt; font-weight: bold; text-align: left">&nbsp;</TD><TD STYLE="font-weight: bold; padding-bottom: 2.5pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 2.5pt double; font-weight: bold; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 2.5pt double; font-weight: bold; text-align: right">&nbsp;</TD><TD STYLE="padding-bottom: 2.5pt; font-weight: bold; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="padding-bottom: 2.5pt">Issuance of shares - Acquisition</TD><TD STYLE="padding-bottom: 2.5pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 2.5pt double; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 2.5pt double; text-align: right">19,788,177</TD><TD STYLE="padding-bottom: 2.5pt; text-align: left">&nbsp;</TD><TD STYLE="padding-bottom: 2.5pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 2.5pt double; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 2.5pt double; text-align: right">198</TD><TD STYLE="padding-bottom: 2.5pt; text-align: left">&nbsp;</TD><TD STYLE="padding-bottom: 2.5pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 2.5pt double; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 2.5pt double; text-align: right">13,456</TD><TD STYLE="padding-bottom: 2.5pt; text-align: left">&nbsp;</TD><TD STYLE="font-weight: bold; padding-bottom: 2.5pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 2.5pt double; font-weight: bold; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 2.5pt double; font-weight: bold; text-align: right">&nbsp;</TD><TD STYLE="padding-bottom: 2.5pt; font-weight: bold; text-align: left">&nbsp;</TD><TD STYLE="font-weight: bold; padding-bottom: 2.5pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 2.5pt double; font-weight: bold; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 2.5pt double; font-weight: bold; text-align: right">&nbsp;</TD><TD STYLE="padding-bottom: 2.5pt; font-weight: bold; text-align: left">&nbsp;</TD><TD STYLE="padding-bottom: 2.5pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 2.5pt double; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 2.5pt double; text-align: right">13,654</TD><TD STYLE="padding-bottom: 2.5pt; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left; padding-bottom: 2.5pt">Stock issuance costs - Acquisition</TD><TD STYLE="font-weight: bold; padding-bottom: 2.5pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 2.5pt double; font-weight: bold; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 2.5pt double; font-weight: bold; text-align: right">&nbsp;</TD><TD STYLE="padding-bottom: 2.5pt; font-weight: bold; text-align: left">&nbsp;</TD><TD STYLE="font-weight: bold; padding-bottom: 2.5pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 2.5pt double; font-weight: bold; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 2.5pt double; font-weight: bold; text-align: right">&nbsp;</TD><TD STYLE="padding-bottom: 2.5pt; font-weight: bold; text-align: left">&nbsp;</TD><TD STYLE="padding-bottom: 2.5pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 2.5pt double; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 2.5pt double; text-align: right">(117</TD><TD STYLE="padding-bottom: 2.5pt; text-align: left">)</TD><TD STYLE="font-weight: bold; padding-bottom: 2.5pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 2.5pt double; font-weight: bold; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 2.5pt double; font-weight: bold; text-align: right">&nbsp;</TD><TD STYLE="padding-bottom: 2.5pt; font-weight: bold; text-align: left">&nbsp;</TD><TD STYLE="font-weight: bold; padding-bottom: 2.5pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 2.5pt double; font-weight: bold; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 2.5pt double; font-weight: bold; text-align: right">&nbsp;</TD><TD STYLE="padding-bottom: 2.5pt; font-weight: bold; text-align: left">&nbsp;</TD><TD STYLE="padding-bottom: 2.5pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 2.5pt double; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 2.5pt double; text-align: right">(117</TD><TD STYLE="padding-bottom: 2.5pt; text-align: left">)</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="text-align: left">Replacement options</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">164</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">164</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left">Stock option expense</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">50</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">50</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD>Repurchase of shares for <BR>cancellation</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">(47,200</TD><TD STYLE="text-align: left">)</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">(1</TD><TD STYLE="text-align: left">)</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">(31</TD><TD STYLE="text-align: left">)</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">(32</TD><TD STYLE="text-align: left">)</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left">Net loss</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">(942</TD><TD STYLE="text-align: left">)</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">(942</TD><TD STYLE="text-align: left">)</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="text-align: left; padding-bottom: 1pt">Net unrealized loss&nbsp;&nbsp;<BR> &nbsp;&nbsp;on&nbsp;marketable equity<BR> &nbsp;&nbsp;securities (net of &nbsp;&nbsp;deferred&nbsp;taxes)</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">(136</TD><TD STYLE="padding-bottom: 1pt; text-align: left">)</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">(136</TD><TD STYLE="padding-bottom: 1pt; text-align: left">)</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="font-weight: bold">Balance at December 31, 2017</TD><TD STYLE="font-weight: bold">&nbsp;</TD>
    <TD STYLE="font-weight: bold; text-align: left">&nbsp;</TD><TD STYLE="font-weight: bold; text-align: right">58,434,566</TD><TD STYLE="font-weight: bold; text-align: left">&nbsp;</TD><TD STYLE="font-weight: bold">&nbsp;</TD>
    <TD STYLE="font-weight: bold; text-align: left">&nbsp;</TD><TD STYLE="font-weight: bold; text-align: right">584</TD><TD STYLE="font-weight: bold; text-align: left">&nbsp;</TD><TD STYLE="font-weight: bold">&nbsp;</TD>
    <TD STYLE="font-weight: bold; text-align: left">&nbsp;</TD><TD STYLE="font-weight: bold; text-align: right">69,312</TD><TD STYLE="font-weight: bold; text-align: left">&nbsp;</TD><TD STYLE="font-weight: bold">&nbsp;</TD>
    <TD STYLE="font-weight: bold; text-align: left">&nbsp;</TD><TD STYLE="font-weight: bold; text-align: right">(40,343</TD><TD STYLE="font-weight: bold; text-align: left">)</TD><TD STYLE="font-weight: bold">&nbsp;</TD>
    <TD STYLE="font-weight: bold; text-align: left">&nbsp;</TD><TD STYLE="font-weight: bold; text-align: right">576</TD><TD STYLE="font-weight: bold; text-align: left">&nbsp;</TD><TD STYLE="font-weight: bold">&nbsp;</TD>
    <TD STYLE="font-weight: bold; text-align: left">&nbsp;</TD><TD STYLE="font-weight: bold; text-align: right">30,129</TD><TD STYLE="font-weight: bold; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD>&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left; padding-bottom: 1pt">Cumulative-effect adjustment <BR>change in accounting principle</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">576</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">(576</TD><TD STYLE="padding-bottom: 1pt; text-align: left">)</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="font-weight: bold">Adjusted balance &ndash; January 1, 2018</TD><TD STYLE="font-weight: bold">&nbsp;</TD>
    <TD STYLE="font-weight: bold; text-align: left">&nbsp;</TD><TD STYLE="font-weight: bold; text-align: right">58,434,566</TD><TD STYLE="font-weight: bold; text-align: left">&nbsp;</TD><TD STYLE="font-weight: bold">&nbsp;</TD>
    <TD STYLE="font-weight: bold; text-align: left">&nbsp;</TD><TD STYLE="font-weight: bold; text-align: right">584</TD><TD STYLE="font-weight: bold; text-align: left">&nbsp;</TD><TD STYLE="font-weight: bold">&nbsp;</TD>
    <TD STYLE="font-weight: bold; text-align: left">$</TD><TD STYLE="font-weight: bold; text-align: right">69,312</TD><TD STYLE="font-weight: bold; text-align: left">&nbsp;</TD><TD STYLE="font-weight: bold">&nbsp;</TD>
    <TD STYLE="font-weight: bold; text-align: left">$</TD><TD STYLE="font-weight: bold; text-align: right">(39,767</TD><TD STYLE="font-weight: bold; text-align: left">)</TD><TD STYLE="font-weight: bold">&nbsp;</TD>
    <TD STYLE="font-weight: bold; text-align: left">&nbsp;</TD><TD STYLE="font-weight: bold; text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="font-weight: bold; text-align: left">&nbsp;</TD><TD STYLE="font-weight: bold">&nbsp;</TD>
    <TD STYLE="font-weight: bold; text-align: left">$</TD><TD STYLE="font-weight: bold; text-align: right">30,129</TD><TD STYLE="font-weight: bold; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD>&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="text-align: left">Stock option expense</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">660</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">660</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD>Repurchase of shares for <BR>cancellation</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">(263,100</TD><TD STYLE="text-align: left">)</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">(2</TD><TD STYLE="text-align: left">)</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">(99</TD><TD STYLE="text-align: left">)</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">(101</TD><TD STYLE="text-align: left">)</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="text-align: left; padding-bottom: 1pt">Net loss</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">(3,598</TD><TD STYLE="padding-bottom: 1pt; text-align: left">)</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">(3,598</TD><TD STYLE="padding-bottom: 1pt; text-align: left">)</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="font-weight: bold; padding-bottom: 1pt">Balance at December 31, 2018</TD><TD STYLE="font-weight: bold; padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; font-weight: bold; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; font-weight: bold; text-align: right">58,171,466</TD><TD STYLE="padding-bottom: 1pt; font-weight: bold; text-align: left">&nbsp;</TD><TD STYLE="font-weight: bold; padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; font-weight: bold; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; font-weight: bold; text-align: right">582</TD><TD STYLE="padding-bottom: 1pt; font-weight: bold; text-align: left">&nbsp;</TD><TD STYLE="font-weight: bold; padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; font-weight: bold; text-align: left">$</TD><TD STYLE="border-bottom: Black 1pt solid; font-weight: bold; text-align: right">69,873</TD><TD STYLE="padding-bottom: 1pt; font-weight: bold; text-align: left">&nbsp;</TD><TD STYLE="font-weight: bold; padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; font-weight: bold; text-align: left">$</TD><TD STYLE="border-bottom: Black 1pt solid; font-weight: bold; text-align: right">(43,365</TD><TD STYLE="padding-bottom: 1pt; font-weight: bold; text-align: left">)</TD><TD STYLE="font-weight: bold; padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; font-weight: bold; text-align: left">$</TD><TD STYLE="border-bottom: Black 1pt solid; font-weight: bold; text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="padding-bottom: 1pt; font-weight: bold; text-align: left">&nbsp;</TD><TD STYLE="font-weight: bold; padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; font-weight: bold; text-align: left">$</TD><TD STYLE="border-bottom: Black 1pt solid; font-weight: bold; text-align: right">27,090</TD><TD STYLE="padding-bottom: 1pt; font-weight: bold; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD>&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
</TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 8pt Times New Roman, Times, Serif; margin: 0">See Notes to Consolidated Financial Statements.</P>

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<P STYLE="font: 8pt Times New Roman, Times, Serif; margin: 0"></P>




<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">SOLITARIO ZINC CORP.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">CONSOLIDATED STATEMENTS OF CASH FLOWS</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">FOR THE YEARS ENDED DECEMBER 31, 2018 AND 2017</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: right">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; width: 100%; font: 10pt Times New Roman, Times, Serif">
<TR STYLE="vertical-align: bottom">
    <TD>(in thousands of U.S. Dollars)</TD><TD>&nbsp;</TD>
    <TD COLSPAN="7" STYLE="text-align: center">For the year ended <BR>December 31,</TD></TR>
<TR STYLE="vertical-align: bottom">
    <TD>&nbsp;</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center; border-bottom: Black 1pt solid">2018</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center; border-bottom: Black 1pt solid">2017</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="font-weight: bold; text-align: left; padding-left: 5.4pt">Operating activities:</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="width: 56%; text-align: left; padding-left: 5.4pt">&nbsp;&nbsp;Net loss</TD><TD STYLE="width: 8%">&nbsp;</TD>
    <TD STYLE="width: 1%; text-align: left">$</TD><TD STYLE="width: 12%; text-align: right">(3,598</TD><TD STYLE="width: 1%; text-align: left">)</TD><TD STYLE="width: 8%">&nbsp;</TD>
    <TD STYLE="width: 1%; text-align: left">$</TD><TD STYLE="width: 12%; text-align: right">(942</TD><TD STYLE="width: 1%; text-align: left">)</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="text-align: left; padding-left: 5.4pt">&nbsp;&nbsp;Adjustments to reconcile net loss to net cash used in&nbsp;operating activities:</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left; padding-left: 5.4pt">&nbsp;&nbsp;&nbsp;&nbsp;Unrealized loss on marketable equity securities</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">1,058</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="text-align: left; padding-left: 5.4pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Gain on sale of marketable equity securities</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">(578</TD><TD STYLE="text-align: left">)</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left; padding-left: 5.4pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Gain on derivative instruments</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">(271</TD><TD STYLE="text-align: left">)</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="text-align: left; padding-left: 5.4pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Employee stock option expense</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">660</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">50</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left; padding-left: 5.4pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Depreciation and amortization</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">25</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">13</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="text-align: left; padding-left: 5.4pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Loss on sale of assets</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">1</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left; padding-left: 5.4pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Changes in operating assets and liabilities:</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="text-align: left; padding-left: 5.4pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Prepaid expenses and other current assets</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">(50</TD><TD STYLE="text-align: left">)</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">52</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left; padding-bottom: 1pt; padding-left: 5.4pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Accounts payable and other current liabilities</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">547</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">18</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="text-align: left; padding-bottom: 1pt; padding-left: 5.4pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Net cash (used in) operating activities</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">(1,357</TD><TD STYLE="padding-bottom: 1pt; text-align: left">)</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">(1,658</TD><TD STYLE="padding-bottom: 1pt; text-align: left">)</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="padding-left: 5.4pt">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="font-weight: bold; text-align: left; padding-left: 5.4pt">Investing activities:</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left; padding-left: 5.4pt">&nbsp;&nbsp;Sale of short-term investments - net</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">1,371</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">3,563</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="text-align: left; padding-left: 5.4pt">&nbsp;&nbsp;Loan to Zazu</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">(1,500</TD><TD STYLE="text-align: left">)</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left; padding-left: 5.4pt">&nbsp;&nbsp;Purchase of Zazu, net of cash acquired</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">(417</TD><TD STYLE="text-align: left">)</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="text-align: left; padding-left: 5.4pt">&nbsp;&nbsp;Purchase of marketable equity securities</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">(578</TD><TD STYLE="text-align: left">)</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left; padding-left: 5.4pt">&nbsp;&nbsp;Proceeds from sale of marketable equity securities</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">666</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="text-align: left; padding-left: 5.4pt">&nbsp;&nbsp;Sale of derivative instrument, net</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">53</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left; padding-bottom: 1pt; padding-left: 5.4pt">&nbsp;&nbsp;Additions to other assets</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">(10</TD><TD STYLE="padding-bottom: 1pt; text-align: left">)</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">(2</TD><TD STYLE="padding-bottom: 1pt; text-align: left">)</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="text-align: left; padding-bottom: 1pt; padding-left: 5.4pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Net cash provided by investing activities</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">1,361</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">1,785</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="padding-left: 5.4pt">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="font-weight: bold; text-align: left; padding-left: 5.4pt">Financing activities:</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left; padding-bottom: 1pt; padding-left: 5.4pt">&nbsp;&nbsp;Repurchase of Solitario common stock for cancellation</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">(101</TD><TD STYLE="padding-bottom: 1pt; text-align: left">)</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">(32</TD><TD STYLE="padding-bottom: 1pt; text-align: left">)</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="text-align: left; padding-bottom: 1pt; padding-left: 5.4pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Net cash used in financing activities</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">(101</TD><TD STYLE="padding-bottom: 1pt; text-align: left">)</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">(32</TD><TD STYLE="padding-bottom: 1pt; text-align: left">)</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="padding-left: 5.4pt">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="font-weight: bold; text-align: left; text-indent: 0in">Net (decrease) increase in cash and cash equivalents</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">(97</TD><TD STYLE="text-align: left">)</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">95</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="font-weight: bold; text-align: left; padding-bottom: 1pt; padding-left: 5.4pt">Cash and cash equivalents, beginning of year</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">214</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">119</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="font-weight: bold; text-align: left; padding-bottom: 1pt; padding-left: 5.4pt">Cash and cash equivalents, end of year</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">$</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">117</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">$</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">214</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="padding-bottom: 2.5pt; padding-left: 5.4pt">&nbsp;</TD><TD STYLE="padding-bottom: 2.5pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 2.5pt double; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 2.5pt double; text-align: right">&nbsp;</TD><TD STYLE="padding-bottom: 2.5pt; text-align: left">&nbsp;</TD><TD STYLE="padding-bottom: 2.5pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 2.5pt double; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 2.5pt double; text-align: right">&nbsp;</TD><TD STYLE="padding-bottom: 2.5pt; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="font-weight: bold; text-align: left; padding-bottom: 2.5pt; padding-left: 5.4pt">Supplemental disclosure of non-cash activities:</TD><TD STYLE="padding-bottom: 2.5pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 2.5pt double; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 2.5pt double; text-align: right">&nbsp;</TD><TD STYLE="padding-bottom: 2.5pt; text-align: left">&nbsp;</TD><TD STYLE="padding-bottom: 2.5pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 2.5pt double; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 2.5pt double; text-align: right">&nbsp;</TD><TD STYLE="padding-bottom: 2.5pt; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left; padding-left: 5.4pt">&nbsp;&nbsp;Additions to mining equipment &ndash;Zazu, through issuance of stock in Acquisition</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">$</TD><TD STYLE="text-align: right">(100</TD><TD STYLE="text-align: left">)</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="text-align: left; padding-left: 5.4pt">&nbsp;&nbsp;Additions to mineral property- Zazu, through issuance of stock in Acquisition</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">$</TD><TD STYLE="text-align: right">(15,611</TD><TD STYLE="text-align: left">)</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left; padding-left: 5.4pt">&nbsp;&nbsp;Additions to current assets, net &ndash; Zazu, through issuance of stock in Acquisition</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">$</TD><TD STYLE="text-align: right">(42</TD><TD STYLE="text-align: left">)</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="text-align: left; padding-left: 5.4pt">&nbsp;&nbsp;Issuance of common stock &ndash; Zazu acquisition</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">$</TD><TD STYLE="text-align: right">13,654</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left; padding-left: 5.4pt">&nbsp;&nbsp;Convertible debenture &ndash; due from Zazu cancelled</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">$</TD><TD STYLE="text-align: right">1,510</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="text-align: left; padding-left: 5.4pt">&nbsp;&nbsp;Asset retirement obligation - Lik</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">$</TD><TD STYLE="text-align: right">125</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left; padding-left: 5.4pt">&nbsp;&nbsp;Issuance of replacement options &ndash; Zazu</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">$</TD><TD STYLE="text-align: right">164</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="text-align: left; padding-left: 5.4pt">Transfer of warrant value to marketable equity securities on exercise of <BR>Vendetta Warrants</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">$</TD><TD STYLE="text-align: right">949</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
</TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">See Notes to Consolidated Financial Statements.</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"></P>




<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">SOLITARIO ZINC CORP.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">NOTES TO CONSOLIDATED FINANCIAL STATEMENTS</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">For the years ended December 31, 2018 and 2017</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0 0.5in; text-indent: -0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0 0.5in; text-indent: -0.5in">1. <U>Business and Summary of Significant
Accounting Policies</U></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><I>Business and company formation</I></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Solitario Zinc Corp. (&#8220;Solitario,&#8221;
&#8220;Company&#8221;) is an exploration stage company as defined in Industry Guide 7, as issued by the United States Securities
and Exchange Commission (&#8220;SEC&#8221;). Solitario was incorporated in the state of Colorado on November 15, 1984 as a wholly-owned
subsidiary of Crown Resources Corporation (&quot;Crown&quot;). In July 1994, Solitario became a publicly traded company on the
Toronto Stock Exchange (the &quot;TSX&quot;) through its initial public offering. Solitario has been actively involved in mineral
exploration since 1993. Solitario&#8217;s primary business is to acquire exploration mineral properties and/or discover economic
deposits on its mineral properties and advance these deposits, either on its own or through joint ventures, up to the development
stage. At that point, or sometime prior to that point, Solitario would likely attempt to sell its mineral properties, pursue their
development either on its own, or through a joint venture with a partner that has expertise in mining operations, or create a royalty
with a third party that continues to advance the property. As a result of the Acquisition (defined below), Solitario is now primarily
focused on the acquisition and exploration of zinc-related exploration mineral properties. In addition to focusing on its mineral
exploration properties and the evaluation of mineral properties, Solitario also evaluates potential strategic corporate transactions
for the potential acquisition of new precious and base metal properties and assets with exploration potential or business combinations
that Solitario determines to be favorable to Solitario.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><U>Purchase of Zazu</U></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">On July 12, 2017, Solitario completed the acquisition
of Zazu Metals Corp. (&#8220;Zazu&#8221;) pursuant to a definitive arrangement agreement between Solitario and Zazu (the &quot;Arrangement
Agreement&quot;) whereby Solitario agreed to acquire all of the issued and outstanding common shares of Zazu (the &quot;Zazu Shares&quot;)
by way of a statutory plan of arrangement (the &quot;Arrangement&quot;) under the <I>Canada Business Corporations Act</I> (the
&#8220;Acquisition&#8221;). The Arrangement was approved by the Ontario (Canada) Superior Court of Justice on July 7, 2017. Per
the Arrangement, Solitario issued 19,788,177 shares of its common stock on July 12, 2017 in exchange for all of the issued and
outstanding Zazu Shares, which represented 0.3572 shares of Solitario common stock for each outstanding Zazu Share. Solitario granted
stock options to acquire an aggregate of 1,782,428 shares of Solitario common stock to Zazu option holders the (&#8220;Replacement
Options&#8221;) in connection with the Acquisition. The total purchase price of $16,110,000, recorded during the year ended December
31, 2017, is detailed below. Results of operations for Zazu are included in Solitario&#8217;s consolidated financial statements
from the date of the Acquisition.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; width: 100%; font: 10pt Times New Roman, Times, Serif">
<TR STYLE="vertical-align: bottom">
    <TD>(in thousands)</TD><TD>&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center">July 12,</TD></TR>
<TR STYLE="vertical-align: bottom">
    <TD>&nbsp;</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center; border-bottom: Black 1pt solid">2017</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="width: 70%; padding-left: 5.4pt">Issuance of 19,788,177 shares of Solitario common stock</TD><TD STYLE="width: 10%">&nbsp;</TD>
    <TD STYLE="width: 1%; text-align: left">$</TD><TD STYLE="width: 18%; text-align: right">13,654</TD><TD STYLE="width: 1%; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left; padding-left: 5.4pt">Replacement options</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">164</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="text-align: left; padding-left: 5.4pt">Investment banking and transaction costs</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">782</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left; padding-bottom: 1pt; padding-left: 5.4pt">Convertible debenture due Solitario, cancelled</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">1,510</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="padding-bottom: 1pt; padding-left: 5.4pt">Total purchase price</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">$</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">16,110</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD></TR>
</TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">The Acquisition was treated as an asset purchase.
Accordingly, as the purchase of an asset (essentially the interest in the Lik project in Alaska) Solitario capitalized related
transaction costs associated with the Acquisition, including the following costs:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; width: 100%; font: 10pt Times New Roman, Times, Serif">
<TR STYLE="vertical-align: bottom">
    <TD>(in thousands)</TD><TD>&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center">July 12,</TD></TR>
<TR STYLE="vertical-align: bottom">
    <TD>&nbsp;</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center; border-bottom: Black 1pt solid">2017</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="width: 70%; text-align: left; padding-left: 5.4pt">Investment banking fees</TD><TD STYLE="width: 10%">&nbsp;</TD>
    <TD STYLE="width: 1%; text-align: left">$</TD><TD STYLE="width: 18%; text-align: right">552</TD><TD STYLE="width: 1%; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left; padding-left: 5.4pt">Legal and accounting costs</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">196</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="text-align: left; padding-bottom: 1pt; padding-left: 5.4pt">Other costs and fees</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">34</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left; padding-bottom: 1pt; padding-left: 5.4pt">Total capitalized transaction costs</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">$</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">782</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD></TR>
</TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">The purchase price was allocated to the assets
and liabilities acquired from Zazu on the date of the Acquisition as follows:</P>




<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; width: 100%; font: 10pt Times New Roman, Times, Serif">
<TR STYLE="vertical-align: bottom">
    <TD>(in thousands)</TD><TD>&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center">July 12,</TD></TR>
<TR STYLE="vertical-align: bottom">
    <TD>&nbsp;</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center; border-bottom: Black 1pt solid">2017</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="width: 70%; padding-left: 5.4pt">Cash</TD><TD STYLE="width: 10%">&nbsp;</TD>
    <TD STYLE="width: 1%; text-align: left">$</TD><TD STYLE="width: 18%; text-align: right">974</TD><TD STYLE="width: 1%; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left; padding-left: 5.4pt">Other current assets</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">42</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="padding-left: 5.4pt">Equipment</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">100</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left; padding-left: 5.4pt">Mineral property</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">15,611</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="text-align: left; padding-left: 5.4pt">Accounts payable</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">(492</TD><TD STYLE="text-align: left">)</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left; padding-bottom: 1pt; padding-left: 5.4pt">Asset retirement obligation &ndash; Lik</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">(125</TD><TD STYLE="padding-bottom: 1pt; text-align: left">)</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="padding-bottom: 1pt; padding-left: 5.4pt">Total purchase price</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">$</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">16,110</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD></TR>
</TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">The cash transaction costs less the cash acquired
are shown as the cash transaction costs for the year ended December 31, 2017 on the consolidated statement of cash flows. Solitario
also incurred stock issuance costs of $117,000, related to the Acquisition, which were charged to equity.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Solitario has recorded revenue in the past from
the sale of mineral property, including the sale on April 26, 2018 of its interest in the royalty on the Yanacocha property (discussed
below) and the sale in 2015 of its former interest in Mount Hamilton LLC the owner of its former Mt. Hamilton project (the &#8220;Mt.
Hamilton Transaction&#8221;), and joint venture property payments and the sale of a royalty on its former Mt. Hamilton project.
Revenues from the sale or joint venture of properties, although significant when they occur, have not been a consistent annual
source of revenue and would only occur in the future, if at all, on an infrequent basis.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Solitario currently considers its carried interest
in the Florida Canyon project and its interest in the Lik project to be its core mineral property assets. Nexa Resources, Ltd.
(&#8220;Nexa&#8221;), Solitario&#8217;s joint venture partner, is expected to continue the development and furtherance of the Florida
Canyon project and Solitario is monitoring progress at Florida Canyon. Solitario is working with its 50% joint venture partner,
Teck American Incorporated, a wholly-owned subsidiary of Teck Resources Limited (both companies are referred to as &#8220;Teck&#8221;),
in the Lik deposit to further the exploration and evaluate potential development plans for the Lik project.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"><FONT STYLE="color: windowtext">As of December
31, 2018, Solitario has significant balances of cash and short-term investments that Solitario anticipates using, in part, to further
the development of the Florida Canyon project and the Lik project and to potentially acquire additional mineral property assets.
The</FONT> fluctuations in precious metal and other commodity prices has contributed to a challenging environment for mineral exploration
and development, which has created opportunities as well as challenges for the potential acquisition of early-stage and advanced
mineral exploration projects or other related assets at potentially attractive terms.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><I>Financial reporting</I></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">The consolidated financial statements include
the accounts of Solitario and its wholly-owned subsidiaries. All significant intercompany accounts and transactions have been eliminated
in consolidation. The consolidated financial statements are prepared in accordance with accounting principles generally accepted
in the United States of America (&quot;generally accepted accounting principles&quot;) and are expressed in US dollars.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><I>&nbsp;</I></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><I>Revenue recognition</I></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Solitario adopted ASU 2014-09 (defined below
under &#8220;Recent accounting pronouncements&#8221;) on January 1, 2018. ASU 2014-09 primarily impacts revenue recognition based
upon the timing of transfer of control of goods and services sold. Historically Solitario has recorded revenue from the sale of
exploration mineral properties and joint venture property payments. Solitario&#8217;s policy is to recognize revenue from the sale
of its exploration mineral properties (those without reserves) on a property by property basis, computed as the cash received and
/ or collectable receivables less any capitalized cost. Payments received for the sale of exploration property interests that are
less than the properties cost are recorded as a reduction of the related property's capitalized cost. In addition, Solitario&#8217;s
policy is to recognize revenue on any receipts of joint venture property payments in excess of its capitalized costs on a property
that Solitario may lease to another mining company.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Solitario has recognized revenue during 2018
for the first time in more than five years from the sale of an exploration mineral property, and expects, any property sales in
the future to also be on an infrequent basis. The last proceeds from joint venture property payments was in 2015 and Solitario
does not expect to record joint venture property payments on any of its currently held properties for the foreseeable future. Historically,
Solitario&#8217;s revenues have been infrequent and significant individual transactions and have only been from sales to well known
or vetted mining companies. Solitario has never had a </P>




<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">return on any of its sales recorded as revenue in its history and
does not anticipate it will recognize any estimated returns on its current or future recorded revenues. The adoption of ASU 2014-09
had no impact on Solitario&#8217;s recorded revenues for the year ended December 31, 2018 or 2017. Solitario recorded the revenue
of $502,000 from the sale of the Yanacocha Royalty in accordance with ASU 2014-09.</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><I>Use of estimates</I></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">The preparation of financial statements in conformity
with generally accepted accounting principles requires management to make estimates and assumptions that affect the reported amounts
of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported
amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates. Some of the more
significant estimates included in the preparation of Solitario's financial statements pertain to: (i) Solitario&#8217;s carrying
value of short-term investments; (ii) the recoverability of mineral properties related to its mineral exploration properties and
their future exploration potential; (iii) the fair value of stock option grants to employees; (iv) the ability of Solitario to
realize its deferred tax assets; and (v) Solitario's investment in marketable equity securities.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">In performing its activities, Solitario has
incurred certain costs for mineral properties. The recovery of these costs is ultimately dependent upon the sale of mineral property
interests or the development of economically recoverable ore reserves and the ability of Solitario to obtain the necessary permits
and financing to successfully place the properties into production, and upon future profitable operations, none of which is assured.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><I>Cash and cash equivalents </I></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Cash equivalents include investments in highly
liquid money-market securities with original maturities of three months or less when purchased. At December 31, 2018, approximately
$113,000 of Solitario&#8217;s cash and cash equivalents are held in brokerage accounts and foreign banks, which are not covered
under the Federal Deposit Insurance Corporation (&#8220;FDIC&#8221;) rules for the United States.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><I>Short-term investments</I></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><I>&nbsp;</I></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">At December 31, 2018, Solitario has United States
Treasury securities (&#8220;USTS&#8221;) with maturities of 15 days to 22 months recorded at their fair value of $9,345,000. At
December 31, 2018, Solitario has $500,000 in separate bank certificates of deposit (&#8220;CDs&#8221;) each with a maximum value
of $250,000, and each of which are covered by Federal Deposit Insurance Corporation insurance to the full-face value of the CDs.
At December 31, 2018, the CDs have maturities of three months. In addition, Solitario has a US dollar bank savings account in Peru
with a fair value of $378,000. Solitario&#8217;s short-term investments are recorded at their fair value, based upon quoted market
prices. The short-term investments are highly liquid and may be sold in their entirety at any time at their quoted market price
and are classified as a current asset.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;<I>Mineral properties </I></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Solitario expenses all exploration costs incurred
on its mineral properties prior to the establishment of proven and probable reserves through the completion of a feasibility study.
Initial acquisition costs of its mineral properties are capitalized. Solitario regularly performs evaluations of its investment
in mineral properties to assess the recoverability and/or the residual value of its investments in these assets. All long-lived
assets are reviewed for impairment whenever events or circumstances change which indicate the carrying amount of an asset may not
be recoverable, utilizing established guidelines based upon undiscounted future net cash flows from the asset or upon the determination
that certain exploration properties do not have sufficient potential for economic mineralization.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><I>Derivative instruments</I></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: left; text-indent: 0.5in">Solitario accounts for its
derivative instruments in accordance with ASC 815, &quot;Accounting for Derivative Instruments and Hedging Activities&quot; (&#8220;ASC
815&#8221;). Solitario acquired its investment in Vendetta Mining Corp. (&#8220;Vendetta&#8221;) units, including the Vendetta
Warrants (defined below) during 2016. During 2017, Solitario exercised all of its Vendetta Warrants and at December 31, 2018 and
2017 has no Vendetta Warrants. Changes in fair value of the Vendetta Warrants are recognized in the statements of operations in
the period of change as gain or loss on derivative instruments. Solitario has entered into covered calls from time to time on its
investment in Kinross marketable equity securities. Solitario has not designated its covered calls as hedging instruments and any
changes in the fair value of the covered calls and its warrants are recognized in the statements of operations in the period of
the change as gain or loss on derivative instruments.</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: left"></P>




<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><I>Fair value</I></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Financial Accounting Standards Board ASC 820,
&#8220;Fair Value Measurements and Disclosures&#8221; (&#8220;ASC 820&#8221;) establishes a framework for measuring fair value
and requires enhanced disclosures about fair value measurements. ASC 820 clarifies that fair value is an exit price, representing
the amount that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants.
For certain of Solitario's financial instruments, including cash and cash equivalents and accounts payable, the carrying amounts
approximate fair value due to their short-term maturities. Solitario's short-term investments in USTS and CDs, its marketable equity
securities and any covered call options against those marketable equity securities are carried at their estimated fair value based
on quoted market prices. See Note 8, &#8220;Fair Value of Financial Instruments,&#8221; below.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><I>Marketable equity securities</I></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Solitario's investments in marketable equity
securities are classified as available-for-sale and are carried at fair value, which is based upon quoted prices of the securities
owned. Solitario records investments in marketable equity securities as available-for-sale for investments in publicly traded marketable
equity securities for which it does not exercise significant control and where Solitario has no representation on the board of
directors of those companies and exercises no control over the management of those companies. The cost of marketable equity securities
sold is determined by the specific identification method. Changes in fair value are recorded as unrealized gain or loss in the
statement of operations. A decline in fair value that is considered other than temporary is recognized as a loss in the consolidated
statements of operations. &#9;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><I>&nbsp;</I></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><I>Foreign exchange</I></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">The United States dollar is the functional currency
for all of Solitario's foreign subsidiaries. Although Solitario's South American exploration activities during 2018 and 2017 were
conducted primarily in Peru, a portion of the payments for the land, leasehold and exploration agreements as well as certain exploration
activities are denominated in United States dollars. Foreign currency gains and losses are included in the results of operations
in the period in which they occur.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><I>Income taxes</I></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Solitario accounts for income taxes in accordance
with ASC 740, &#8220;Accounting for Income Taxes&#8221; (&#8220;ASC 740&#8221;). Under ASC 740, income taxes are provided for the
tax effects of transactions reported in the financial statements and consist of taxes currently due plus deferred taxes related
to certain income and expenses recognized in different periods for financial and income tax reporting purposes. Deferred tax assets
and liabilities represent the future tax return consequences of those differences, which will either be taxable or deductible when
the assets and liabilities are recovered or settled. Deferred taxes are also recognized for operating losses and tax credits that
are available to offset future taxable income and income taxes, respectively. A valuation allowance is provided if it is more likely
than not that some portion or all of the deferred tax assets will not be realized.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><I>Accounting for uncertainty in income taxes</I></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">ASC 740 clarifies the accounting for uncertainty
in income taxes recognized in a company's financial statements. ASC 740 prescribes a recognition threshold and measurement attribute
for the financial statement recognition and measurement of a tax position taken or expected to be taken in a tax return. ASC 740
also provides guidance on derecognition, classification, interest and penalties, accounting in interim periods, disclosure, and
transition. ASC 740 provides that a company's tax position will be considered settled if the taxing authority has completed its
examination, the company does not plan to appeal, and it is remote that the taxing authority would reexamine the tax position in
the future. These provisions of ASC 740 had no effect on Solitario's financial position or results of operations. See Note 6, &#8220;Income
Taxes,&#8221; below.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><I>Earnings per share</I></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">The calculation of basic and diluted earnings
(loss) per share is based on the weighted average number of shares of common stock outstanding during the years ended December
31, 2018 and 2017. Potentially dilutive shares, consisting of outstanding common stock options for 5,223,160 and 1,982,428, respectively,
Solitario common shares were excluded from the calculation of diluted earnings (loss) per share for the year ended December 31,
2018 and 2017 because the effects were anti-dilutive.</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"></P>




<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><I>Employee stock compensation and incentive plans</I></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Solitario classifies all of its stock options
as equity options in accordance with the provisions of ASC 718, &#8220;Compensation &#8211; Stock Compensation.&#8221; See Note
10, &#8220;Employee Stock Compensation Plans,&#8221; below.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><I>Recently adopted accounting pronouncements</I></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">In January 2016 the FASB issued ASU 2016-01,
&#8220;Financial Instruments &#8211; Overall (subtopic 825-10) Recognition and Measurement of Financial Assets and Liabilities,&#8221;
(&#8220;ASU 2016-01&#8221;)<I>.</I> ASU 2016-01 revises the classification and measurement of investment in certain equity investments
and the presentation of certain fair value changes for certain financial liabilities measured at fair value. ASU 2016-01 requires
the change in fair value of many equity investments to be recognized in net income. ASU 2016-01 is effective for interim and annual
periods beginning after December 15, 2017, with early adoption permitted. Solitario adopted ASU 2016-01 in the first quarter of
2018. Solitario recorded a cumulative-effect adjustment for the change in accounting principle to accumulated deficit of $576,000
related to the adoption of ASU 2016-01. See also Note 9, &#8220;Shareholders&#8217; Equity and Accumulated Other Comprehensive
Income,&#8221; below.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">In May 2014, the FASB issued ASU No. 2014-09,
<I>Revenue from Contracts with Customers (Topic 606): </I>Under ASU No. 2014-09, an entity should recognize revenue when it transfers
promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled
in exchange for those goods or services. ASU No. 2014-09 also requires additional disclosure about the nature, amount, timing,
and uncertainty of revenue and cash flows arising from customer contracts. This includes significant judgments and changes in judgments
and assets recognized from costs incurred to obtain or fulfill a contract. Solitario adopted ASU No. 2014-09 in 2018 and it had
no impact on Solitario&#8217;s financial position or results of operations.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><I>Recently issued accounting pronouncements</I></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">In February 2016, the FASB issued Accounting
Standards Updated (&#8220;ASU&#8221;) 2016-02, &#8220;Leases&#8221; (&#8220;ASU 2016-02&#8221;). The new standard establishes a
right-of-use (ROU) model that requires a lessee to record a ROU asset and a lease liability on the balance sheet for all leases
with terms longer than 12 months. Leases will be classified as either finance or operating, with classification affecting the pattern
of expense recognition in the income statement. The new standard is effective for interim and annual periods beginning after December
15, 2018. The new rules will be effective for Solitario in the first quarter of 2019. Solitario expect the adoption of ASU 2016-02
to materially change net income or total expense in the statement of operations from its current accounting methods and has estimated
it will record an asset and offsetting liability of approximately $80,000 in the consolidated balance sheet upon adoption of ASU
2016-02 in January 2019.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">The FASB issued ASU No. 2016-13, <I>Financial
Instruments &#8211; Credit Losses (Topic 326): Measurements of Credit Losses on Financial Statements</I> (&#8220;ASU No. 2016-13&#8221;)<I>.
</I>Among other things, these amendments require the measurement of all expected credit losses for financial assets held at the
reporting date based on historical experience, current conditions, and reasonable and supportable forecasts. Financial institutions
and other organizations will now use forward-looking information to better inform their credit loss estimates. ASU No. 2016-13
is effective for Solitario for fiscal year, and interim periods within those fiscal years, beginning after December 15, 2019. Solitario
does not expect the adoption of ASU No. 2016-13 to have a material impact, its consolidated financial position or results of operations.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">In February 2018, the FASB issued ASU 2018-02,
&#8220;Reclassification of Certain Tax Effects from Accumulated Other Comprehensive Income&#8221; (ASU 2018-02&#8221;), which allows
for a reclassification from accumulated other comprehensive income or loss to retained earnings or accumulated deficit for stranded
tax effects resulting from the Tax Cuts and Jobs Act of 2017 (&#8220;TCJA&#8221;). ASU 2018-02 also requires certain related disclosures.
ASU 2018-02 is effective for annual periods, and interim periods within those annual periods, beginning after December 15, 2018
and should be applied either in the period of adoption or retrospectively to each period in which the effect of the change in the
U.S. federal corporate income tax rate in the TCJA is recognized. Early adoption is permitted. Solitario does not expect the adoption
of ASU 2018-02 will have a material effect on Solitario&#8217;s financial position or results of operations.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">2. <U>Mineral Properties</U>:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">The following table details Solitario&#8217;s capitalized investment
in exploration mineral property:</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; width: 100%; font: 10pt Times New Roman, Times, Serif">
<TR STYLE="vertical-align: bottom">
    <TD>(in thousands)</TD><TD>&nbsp;</TD>
    <TD COLSPAN="7" STYLE="text-align: center">December 31,</TD></TR>
<TR STYLE="vertical-align: bottom">
    <TD>&nbsp;</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center; border-bottom: Black 1pt solid">2018</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center; border-bottom: Black 1pt solid">2017</TD></TR>
<TR STYLE="vertical-align: bottom">
    <TD>Exploration</TD><TD>&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: right">&nbsp;</TD><TD>&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: right">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="width: 56%; text-align: left; padding-left: 5.4pt">&nbsp;&nbsp;&nbsp;Lik project (Alaska &ndash; US)</TD><TD STYLE="width: 8%">&nbsp;</TD>
    <TD STYLE="width: 1%; text-align: left">$</TD><TD STYLE="width: 12%; text-align: right">15,611</TD><TD STYLE="width: 1%; text-align: left">&nbsp;</TD><TD STYLE="width: 8%">&nbsp;</TD>
    <TD STYLE="width: 1%; text-align: left">$</TD><TD STYLE="width: 12%; text-align: right">15,611</TD><TD STYLE="width: 1%; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left; padding-left: 5.4pt">&nbsp;&nbsp;&nbsp;La Promesa (Peru)</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">6</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">6</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="text-align: left; padding-bottom: 1pt; padding-left: 5.4pt">&nbsp;&nbsp;&nbsp;Montana Royalty property (US)</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">40</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">40</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left; padding-bottom: 1pt; padding-left: 5.4pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Total exploration mineral property</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">$</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">15,657</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">$</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">15,657</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD></TR>
</TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><I>Exploration property</I></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Solitario's exploration mineral properties at
December 31, 2018 and 2017 consist of use rights related to its exploration properties, and the value of such assets is primarily
driven by the nature and amount of economic mineral ore believed to be contained, or potentially contained, in such properties.
The amounts capitalized as mineral properties include concession and lease or option acquisition costs. Capitalized costs related
to a mineral property represent its fair value at the time it was acquired. At December 31, 2018, none of Solitario&#8217;s exploration
properties have production (are operating) or contain proven or probable reserves. Solitario's exploration mineral properties represent
interests in properties that Solitario believes have exploration and development potential. Solitario's mineral use rights generally
are enforceable regardless of whether proven and probable reserves have been established. Solitario acquired the Lik project during
2017 in the Acquisition; see Note 1 above.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">In addition to its capitalized exploration properties,
Solitario has an interest in its Florida Canyon exploration concessions, which are currently subject to a joint venture agreement
where joint venture partners made stand-by joint venture payments to Solitario prior to January 1, 2015. Solitario recorded joint
venture property payment revenue received in excess of capitalized costs. Per the joint venture agreement, as of December 31, 2018,
no further standby joint-venture payments are due to Solitario on the Florida Canyon project. At December 31, 2018 and 2017, Solitario
has no remaining capitalized costs related to its Florida Canyon joint venture.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">On April 26, 2018, Solitario sold the Yanacocha
Royalty to a Newmont for $502,000 in cash. Newmont owns the underlying mineral concessions covered by the Yanacocha Royalty. None
of the concessions covered by the Yanacocha Royalty have any reported reserves or resources. Solitario had no mineral property
capitalized cost in the Yanacocha Royalty and recorded Mineral Property Revenue of $502,000 during 2018.</P>

<P STYLE="font: 8pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><I>Discontinued projects </I></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">During 2017, Solitario abandoned its interests
in the Aconchi and Norcan exploration properties in Mexico and Solitario no longer holds any interest in those properties. However,
there were no capitalized mineral property costs related to these properties and Solitario did not record any mineral property
write-downs during the year ended December 31, 2017.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><I>Exploration Expense</I></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">The following items comprised exploration expense:</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; width: 100%; font: 10pt Times New Roman, Times, Serif">
<TR STYLE="vertical-align: bottom">
    <TD>&nbsp;</TD><TD>&nbsp;</TD>
    <TD COLSPAN="7" STYLE="text-align: center">For the year ended <BR>December 31,</TD></TR>
<TR STYLE="vertical-align: bottom">
    <TD STYLE="border-bottom: Black 1pt solid">(in thousands)</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center; border-bottom: Black 1pt solid">2018</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center; border-bottom: Black 1pt solid">2017</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="width: 56%; text-align: left; padding-left: 5.4pt">Geologic and field expenses</TD><TD STYLE="width: 8%">&nbsp;</TD>
    <TD STYLE="width: 1%; text-align: left">$</TD><TD STYLE="width: 12%; text-align: right">1,165</TD><TD STYLE="width: 1%; text-align: left">&nbsp;</TD><TD STYLE="width: 8%">&nbsp;</TD>
    <TD STYLE="width: 1%; text-align: left">$</TD><TD STYLE="width: 12%; text-align: right">447</TD><TD STYLE="width: 1%; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="padding-bottom: 1pt; padding-left: 5.4pt">Administrative</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">89</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">252</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="text-align: left; padding-bottom: 1pt; padding-left: 5.4pt">&nbsp;&nbsp;Total exploration expense</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">$</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">1,254</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">$</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">699</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD></TR>
</TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><U>Asset Retirement Obligation</U></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">In connection with the Acquisition, Solitario
recorded an asset retirement obligation of $125,000 for Solitario&#8217;s estimated reclamation cost of the existing disturbance
at the Lik project. This disturbance consists of an exploration camp including certain drill sites and access roads at the camp.
The estimate was based upon estimated cash costs for reclamation as determined by the permitting bond required by the State of
Alaska, for which Solitario has retained a reclamation bond insurance policy in the event Solitario or its 50% partner, Teck, do
not complete required reclamation.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Solitario has not applied a discount rate to
the recorded asset retirement obligation as the estimated time frame for reclamation is not currently known, as reclamation is
not expected to occur until the end of the Lik project life, which would follow future development and operations, the start of
which cannot be estimated or assured at this time. Additionally, no </P>




<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">depreciation will be recorded on the related asset for the asset
retirement obligation until the Lik project goes into operation, which cannot be assured.</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">3. <U>Marketable Equity Securities</U></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">On May 2, 2016, Solitario purchased 7,240,000
units of Vendetta for aggregate consideration of $289,000. Each unit included one common share of Vendetta and one warrant which
allow the holder to purchase one share of Vendetta common stock at a price of Cdn$0.10 per share for a period of two years (the
&#8220;Vendetta Warrants&#8221;). The purchase price of the units of $289,000 was allocated between the Vendetta common shares
and the Vendetta Warrants based upon total fair values on the date of purchase. The Vendetta common stock was allocated a purchase
cost of $186,000 and the Vendetta Warrants were allocated a purchase cost of $103,000. As discussed below, during 2017 Solitario
exercised all of its Vendetta Warrants, and sold 3,480,000 shares of Vendetta common stock. As of December 31, 2018, Solitario
owns 11,000,000 shares of Vendetta common stock which are carried at their fair value based upon the quoted market price of Vendetta,
a publicly traded company on the TSX venture exchange, and included in marketable equity securities.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0.55in 0 0; text-indent: 0.5in">The following tables summarize Solitario&#8217;s
marketable equity securities and adjustments to fair value:</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; width: 100%; font: 10pt Times New Roman, Times, Serif">
<TR STYLE="vertical-align: bottom">
    <TD STYLE="text-align: justify">(in thousands)</TD><TD>&nbsp;</TD>
    <TD COLSPAN="7" STYLE="text-align: center">Year ended<BR> December 31,</TD></TR>
<TR STYLE="vertical-align: bottom">
    <TD>&nbsp;</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center; border-bottom: Black 1pt solid">2018</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center; border-bottom: Black 1pt solid">2017</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="width: 56%; text-align: left">&nbsp;&nbsp;Marketable equity securities at cost</TD><TD STYLE="width: 8%">&nbsp;</TD>
    <TD STYLE="width: 1%; text-align: left">$</TD><TD STYLE="width: 12%; text-align: right">1,714</TD><TD STYLE="width: 1%; text-align: left">&nbsp;</TD><TD STYLE="width: 8%">&nbsp;</TD>
    <TD STYLE="width: 1%; text-align: left">$</TD><TD STYLE="width: 12%; text-align: right">1,714</TD><TD STYLE="width: 1%; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left; padding-bottom: 1pt">&nbsp;&nbsp;Cumulative unrealized (loss) gain on marketable equity securities</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">(129</TD><TD STYLE="padding-bottom: 1pt; text-align: left">)</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">929</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="text-align: left; padding-bottom: 1pt">&nbsp;&nbsp;Marketable equity securities at fair value</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">$</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">1,585</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">$</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">2,643</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD></TR>
</TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 40.5pt">The following table represents changes in marketable
equity securities:</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; width: 100%; font: 10pt Times New Roman, Times, Serif">
<TR STYLE="vertical-align: bottom">
    <TD>(in thousands)</TD><TD>&nbsp;</TD>
    <TD COLSPAN="7" STYLE="text-align: center">Year ended<BR> December 31,</TD></TR>
<TR STYLE="vertical-align: bottom">
    <TD>&nbsp;</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center; border-bottom: Black 1pt solid">2018</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center; border-bottom: Black 1pt solid">2017</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="width: 56%; text-align: left; padding-left: 5.4pt">Cost of marketable equity securities sold</TD><TD STYLE="width: 8%">&nbsp;</TD>
    <TD STYLE="width: 1%; text-align: left">$</TD><TD STYLE="width: 12%; text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="width: 1%; text-align: left">&nbsp;</TD><TD STYLE="width: 8%">&nbsp;</TD>
    <TD STYLE="width: 1%; text-align: left">$</TD><TD STYLE="width: 12%; text-align: right">88</TD><TD STYLE="width: 1%; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left; padding-bottom: 1pt; padding-left: 5.4pt">Realized gain on marketable equity securities sold</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">578</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="text-align: left; padding-left: 5.4pt">Proceeds from the sale of marketable equity securities sold</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">(666</TD><TD STYLE="text-align: left">)</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left; padding-left: 5.4pt">Purchase of marketable equity securities</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">1,528</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="text-align: left; padding-bottom: 1pt; padding-left: 5.4pt">Gross (loss) gain on marketable equity securities</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">(1,058</TD><TD STYLE="padding-bottom: 1pt; text-align: left">)</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">442</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left; padding-bottom: 1pt; padding-left: 5.4pt">Change in marketable equity securities at fair value</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">$</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">(1,058</TD><TD STYLE="padding-bottom: 1pt; text-align: left">)</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">$</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">1,304</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD></TR>
</TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">The following table represents
the realized and unrealized gain (loss) on marketable equity securities:</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; width: 100%; font: 10pt Times New Roman, Times, Serif">
<TR STYLE="vertical-align: bottom">
    <TD STYLE="text-align: justify">(in thousands)</TD><TD>&nbsp;</TD>
    <TD COLSPAN="7" STYLE="text-align: center">Year ended<BR> December 31,</TD></TR>
<TR STYLE="vertical-align: bottom">
    <TD>&nbsp;</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center; border-bottom: Black 1pt solid">2018</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center; border-bottom: Black 1pt solid">2017</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="width: 56%; text-align: left">&nbsp;&nbsp;Gross (loss) gain on marketable securities</TD><TD STYLE="width: 8%">&nbsp;</TD>
    <TD STYLE="width: 1%; text-align: left">$</TD><TD STYLE="width: 12%; text-align: right">(1,058</TD><TD STYLE="width: 1%; text-align: left">)</TD><TD STYLE="width: 8%">&nbsp;</TD>
    <TD STYLE="width: 1%; text-align: left">$</TD><TD STYLE="width: 12%; text-align: right">442</TD><TD STYLE="width: 1%; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left; padding-bottom: 1pt">&nbsp;&nbsp;Realized gain on marketable equity securities sold</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">(578</TD><TD STYLE="padding-bottom: 1pt; text-align: left">)</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="text-align: left; padding-bottom: 1pt">&nbsp;&nbsp;Unrealized (loss) on marketable equity securities</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">$</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">(1,058</TD><TD STYLE="padding-bottom: 1pt; text-align: left">)</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">$</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">(136</TD><TD STYLE="padding-bottom: 1pt; text-align: left">)</TD></TR>
</TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">During 2017, Solitario sold 3,480,000 Vendetta
common shares, for cash proceeds of $666,000. In addition, during 2017, Solitario exercised its Vendetta Warrants, also discussed
below in Note 4, &#8220;Other Assets&#8221; and received 7,240,000 common shares of Vendetta. Solitario transferred the fair value
of the Vendetta Warrants on the date of exercise of $950,000, along with the cash paid to exercise the Vendetta Warrants of $578,000
to marketable equity securities as the cost of the 7,240,000 common shares of Vendetta acquired.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">4.&nbsp;<U>Other Assets:</U></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0.55in 0 0">The following items comprised other assets:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0.55in 0 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; width: 100%; font: 10pt Times New Roman, Times, Serif">
<TR STYLE="vertical-align: bottom">
    <TD>(in thousands)</TD><TD>&nbsp;</TD>
    <TD COLSPAN="7" STYLE="text-align: center">December 31,</TD></TR>
<TR STYLE="vertical-align: bottom">
    <TD>&nbsp;</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center; border-bottom: Black 1pt solid">2018</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center; border-bottom: Black 1pt solid">2017</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="width: 56%; text-align: left; padding-left: 5.4pt">Furniture and fixtures, net of accumulated depreciation</TD><TD STYLE="width: 8%">&nbsp;</TD>
    <TD STYLE="width: 1%; text-align: left">$</TD><TD STYLE="width: 12%; text-align: right">36</TD><TD STYLE="width: 1%; text-align: left">&nbsp;</TD><TD STYLE="width: 8%">&nbsp;</TD>
    <TD STYLE="width: 1%; text-align: left">$</TD><TD STYLE="width: 12%; text-align: right">31</TD><TD STYLE="width: 1%; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left; padding-left: 5.4pt">Lik project equipment, net of accumulated depreciation</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">70</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">90</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="text-align: left; padding-bottom: 1pt; padding-left: 5.4pt">Exploration bonds and other assets</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">4</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">4</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left; padding-bottom: 1pt; padding-left: 5.4pt">Total other assets</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">$</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">110</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">$</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">125</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD></TR>
</TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">During 2017, Solitario acquired $100,000 of
exploration-related equipment at the Lik project as part of the Acquisition. The equipment is being depreciated over a five-year
life on a straight-line basis and Solitario recorded depreciation expense of $20,000 and $10,000, respectively, during 2018 and
2017 related to this equipment.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">During 2017, Solitario exercised 7,240,000 of
its Vendetta Warrants and received 7,240,000 Vendetta common shares, by paying $578,000 in cash to Vendetta. As a result, as of
December 31, 2017, Solitario no longer owns any Vendetta Warrants. Upon the exercise of the Vendetta Warrants, Solitario transferred
the fair value of the Vendetta Warrants on the date of exercise of $950,000 along with the cash paid to exercise the Vendetta Warrants
of $578,000 to marketable equity securities as the cost of the 7,240,000 common shares of Vendetta acquired. During the year ended
December 31, 2017, Solitario recorded a gain on derivative instruments of $216,000 related to the Vendetta Warrants, with no similar
item during 2018; see Note 7, &#8220;Derivative Instruments,&#8221; below.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">5. <U>Revenue mineral property sale</U></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">On April 26, 2018, Solitario sold its royalty
interest in the non-producing Yanacocha property (the &#8220;Yanacocha Royalty&#8221;) to a wholly owned subsidiary of Newmont
Mining Corporation (&#8220;Newmont&#8221;) for approximately $502,000 in cash. The Yanacocha Royalty covered 43 concessions totaling
36,052 hectares. Newmont owns the underlying mineral concessions covered by the Yanacocha Royalty. None of the concessions covered
by the Yanacocha Royalty had any reported reserves or resources. Solitario had no mineral property capitalized cost in the Yanacocha
Royalty and recorded Mineral Property Revenue of $502,000 during 2018.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">6. <U>Income Taxes</U>:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">Consolidated loss before
income taxes includes losses from foreign operations of $260,000 and $322,000 in 2018 and 2017, respectively.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">The net deferred tax assets/liabilities in the
December 31, 2018 and 2017 consolidated balance sheets include the following components:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; width: 100%; font: 10pt Times New Roman, Times, Serif">
<TR STYLE="vertical-align: bottom">
    <TD STYLE="border-bottom: Black 1pt solid">(in thousands)</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center; border-bottom: Black 1pt solid">2018</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center; border-bottom: Black 1pt solid">2017</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="text-align: left; padding-left: 5.4pt">Deferred tax assets:</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="width: 56%; text-align: left; padding-left: 5.4pt">&nbsp;&nbsp;Loss carryovers</TD><TD STYLE="width: 8%">&nbsp;</TD>
    <TD STYLE="width: 1%; text-align: left">$</TD><TD STYLE="width: 12%; text-align: right">12,432</TD><TD STYLE="width: 1%; text-align: left">&nbsp;</TD><TD STYLE="width: 8%">&nbsp;</TD>
    <TD STYLE="width: 1%; text-align: left">$</TD><TD STYLE="width: 12%; text-align: right">12,178</TD><TD STYLE="width: 1%; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="text-align: left; padding-left: 5.4pt">&nbsp;&nbsp;Investment in Mineral Property</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">1,669</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">1,952</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left; padding-left: 5.4pt">&nbsp;&nbsp;Capitalized Exploration Costs</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">877</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">1,205</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="text-align: left; padding-left: 5.4pt">&nbsp;&nbsp;Stock option compensation expense</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">150</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">13</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="padding-left: 5.4pt">&nbsp;&nbsp;Royalty</TD><TD STYLE="font: 11pt Calibri, Helvetica, Sans-Serif">&nbsp;</TD>
    <TD STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; text-align: left">&nbsp;</TD><TD STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="font: 11pt Calibri, Helvetica, Sans-Serif; text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">989</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="text-align: left; padding-left: 5.4pt">&nbsp;&nbsp;Unrealized loss on derivative securities</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">60</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">28</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="padding-left: 5.4pt">&nbsp;&nbsp;Other</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">135</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">135</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="text-align: left; padding-bottom: 1pt; padding-left: 5.4pt">&nbsp;&nbsp;Valuation allowance</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">(15,099</TD><TD STYLE="padding-bottom: 1pt; text-align: left">)</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">(16,249</TD><TD STYLE="padding-bottom: 1pt; text-align: left">)</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left; padding-bottom: 1pt; padding-left: 5.4pt">Total deferred tax assets</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">224</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">251</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="text-align: left; padding-left: 5.4pt">&nbsp;&nbsp;Deferred tax liabilities:</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left; padding-left: 5.4pt">&nbsp;&nbsp;Unrealized gain on derivative securities</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="text-align: left; padding-left: 5.4pt">&nbsp;&nbsp;Unrealized gains on marketable equity securities</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">209</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">230</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="padding-bottom: 1pt; padding-left: 5.4pt">&nbsp;&nbsp;Other</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">15</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">21</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="text-align: left; padding-bottom: 1pt; padding-left: 5.4pt">Total deferred tax liabilities</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">224</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">251</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left; padding-bottom: 1pt; padding-left: 5.4pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Net deferred tax liabilities</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">$</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">$</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD></TR>
</TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"></P>




<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">A reconciliation of expected federal income
taxes on income (loss) from continuing operations at statutory rates, with the expense for income taxes is as follows:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; width: 100%; font: 10pt Times New Roman, Times, Serif">
<TR STYLE="vertical-align: bottom">
    <TD STYLE="border-bottom: Black 1pt solid">(in thousands)</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center; border-bottom: Black 1pt solid">2018</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center; border-bottom: Black 1pt solid">2017</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="width: 56%; text-align: left; padding-left: 5.75pt">Expected income tax benefit</TD><TD STYLE="width: 8%">&nbsp;</TD>
    <TD STYLE="width: 1%; text-align: left">$</TD><TD STYLE="width: 12%; text-align: right">(756</TD><TD STYLE="width: 1%; text-align: left">)</TD><TD STYLE="width: 8%">&nbsp;</TD>
    <TD STYLE="width: 1%; text-align: left">$</TD><TD STYLE="width: 12%; text-align: right">(355</TD><TD STYLE="width: 1%; text-align: left">)</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left; padding-left: 5.75pt">Equity based compensation</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="text-align: left; padding-left: 5.75pt">Foreign tax rate differences</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">(27</TD><TD STYLE="text-align: left">)</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">17</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left; padding-left: 5.75pt">State income tax</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">(143</TD><TD STYLE="text-align: left">)</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">(27</TD><TD STYLE="text-align: left">)</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="text-align: left; padding-left: 5.75pt">Impact of Tax Legislation</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">4,494</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left; padding-left: 5.75pt">Adjustment to Deferred Taxes</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">2,058</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="text-align: left; padding-left: 5.75pt">Change in Tax Rate</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">53</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left; padding-left: 5.75pt">Change in valuation allowance</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">(1,164</TD><TD STYLE="text-align: left">)</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">(4,120</TD><TD STYLE="text-align: left">)</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="text-align: left; padding-bottom: 1pt; padding-left: 5.75pt">Permanent differences and other</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">(21</TD><TD STYLE="padding-bottom: 1pt; text-align: left">)</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">(9</TD><TD STYLE="padding-bottom: 1pt; text-align: left">)</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left; padding-bottom: 1pt; padding-left: 5.75pt">Income tax (benefit) expense</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">$</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">$</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD></TR>
</TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">On December 22, 2017, the Tax Cuts and Jobs
Act of 2017 (the &#8220;Tax Act&#8221;) was signed into law making significant changes to the Internal Revenue Code. Changes include,
but are not limited to, a federal corporate tax rate decrease from 35% to 21% for tax years beginning after December 31, 2017,
the transition of U.S international taxation from a worldwide tax system to a territorial system, and a one-time transition tax
on the mandatory deemed repatriation of foreign earnings. In accordance with ASC 740, Income Taxes, the impact of a change in tax
law is recorded in the period of enactment. Consequently, Solitario recorded a decrease to its net deferred tax assets of $4,494,000
with a corresponding net adjustment to the valuation allowance for the year ended December 31, 2017.&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">While the Tax Act provides for a territorial
tax system, beginning in 2018, it includes two new U.S. tax base erosion provisions, the global intangible low-taxed income (&#8220;GILTI&#8221;)
provisions and the base-erosion and anti-abuse tax (&#8220;BEAT&#8221;) provisions.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">The GILTI provisions require the Company to
include in its U.S. income tax return foreign subsidiary earnings in excess of an allowable return on the foreign subsidiary&#8217;s
tangible assets. The Company currently has no profitable foreign subsidiaries. Therefore, this provision currently has no impact
on the Company.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">The BEAT provisions in the Tax Act eliminates
the deduction of certain base-erosion payments made to related foreign corporations and impose a minimum tax if greater than regular
tax. The Company does not expect it will be subject to this tax and therefore has not included any tax impacts of BEAT in its consolidated
financial statements for the years ended December 31, 2018 and 2017.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 27pt">As a result of the acquisition of Zazu during
the year ended December 31, 2017, Solitario acquired deferred tax assets totaling $10,366,000 primarily related to US federal and
state net operating losses, mineral properties and exploration costs, and Canadian net operating losses. These deferred tax assets
were fully offset by a valuation allowance. Solitario does not believe it is more likely than not that the assets will be utilized
in the future. As a result of the ownership change of Zazu Metals (Alaska) Corp, utilization of its United States Federal and State
of Alaska net operating losses will be limited due to the annual limitation provided by Section 382 of the Internal Revenue Code.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 27pt">During 2018, the valuation allowance decreased
primarily due to the adjustments to deferred taxes that were part of the Zazu acquisition and the disposition of royalties that
were part of the Yanacocha sale. During 2017, the valuation allowance was increased primarily due to the acquisition of Zazu and
the impact of the Tax Act.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 27pt">At December 31, 2018, Solitario has unused US
NOL carryovers of $15,404,000 and unused US State NOL carryovers of $15,980,000 which begin expiring in 2027. Solitario has unused
Capital Loss carryovers of $11,132,000 for US Federal and US State purposes which begin expiring in 2019. Solitario has Canadian
loss carryforwards of $9,205,000 which begin expiring in 2027. Other foreign loss carryforwards for which Solitario has provided
a full valuation allowance related to Solitario&#8217;s exploration activities in Peru. The Peru losses do not expire.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 27pt">Solitario adopted ASC 740, which prescribes a
recognition threshold and measurement attribute for the financial statement recognition and measurement of a tax position taken
or expected to be taken in a tax return. ASC 740 requires that Solitario recognize in its consolidated financial statements, only
those tax positions that are &#8220;more-likely-than-not&#8221; of being </P>




<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">sustained as of the adoption date, based on the technical merits
of the position. As a result of the implementation of ASC 740, Solitario performed a comprehensive review of its material tax positions
in accordance with recognition and measurement standards established by ASC 740. The provisions of ASC 740 had no effect on Solitario&#8217;s
financial position, cash flows or results of operations at December 31, 2018 or December 31, 2017, or for the years then ended
as Solitario had no unrecognized tax benefits.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Solitario and its subsidiaries are subject to
the following material taxing jurisdictions: United States Federal, State of Colorado, State of Alaska, Canada and Peru. Solitario&#8217;s
United States federal, Canada and State of Alaska returns for years 2016 and forward and Solitario&#8217;s Peru and State of Colorado
returns for tax years 2014 and forward are subject to examination. Solitario&#8217;s policy is to recognize interest and penalties
related to uncertain tax benefits in income tax expense. Solitario has no accrued interest or penalties related to uncertain tax
positions as of December 31, 2018, or December 31, 2017 or for the years then ended.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">7. <U>Derivative Instruments:</U></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: left"><I>Covered call options</I></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">From time to time Solitario has sold covered
call options against its holdings of Kinross. The business purpose of selling covered calls is to provide additional income on
a limited portion of shares of Kinross that Solitario may sell in the near term, which is generally defined as less than one year.
Solitario has not designated its covered calls as hedging instruments as described in ASC 815, &#8220;Derivatives and Hedging,&#8221;
and any changes in the fair value of its covered calls are recognized in the statement of operations in the period of the change.
As of December 31, 2018, all of the covered calls had expired unexercised and there were no liabilities related to those calls
entered during the year.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><I>Vendetta Warrants</I></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">The Vendetta Warrants were exercised during
2017 and there are none remaining at December 31, 2018; see Note 4, &#8220;Other Assets&#8221; above.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: left">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: left">Solitario recorded the following gain on derivative
instruments:</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; width: 100%; font: 10pt Times New Roman, Times, Serif">
<TR STYLE="vertical-align: bottom">
    <TD>(in thousands)</TD><TD>&nbsp;</TD>
    <TD COLSPAN="7" STYLE="text-align: center">Year ended <BR>December 31,</TD></TR>
<TR STYLE="vertical-align: bottom">
    <TD>&nbsp;</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center; border-bottom: Black 1pt solid">2018</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center; border-bottom: Black 1pt solid">2017</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="width: 56%; text-align: left; padding-left: 5.4pt">&nbsp;&nbsp;Gain on Kinross calls</TD><TD STYLE="width: 8%">&nbsp;</TD>
    <TD STYLE="width: 1%; text-align: left">$</TD><TD STYLE="width: 12%; text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="width: 1%; text-align: left">&nbsp;</TD><TD STYLE="width: 8%">&nbsp;</TD>
    <TD STYLE="width: 1%; text-align: left">$</TD><TD STYLE="width: 12%; text-align: right">55</TD><TD STYLE="width: 1%; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left; padding-bottom: 1pt; padding-left: 5.4pt">&nbsp;&nbsp;Gain on Vendetta Warrants</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">216</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="padding-bottom: 1pt; padding-left: 5.4pt">&nbsp;</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">$</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">$</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">271</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD></TR>
</TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">8. <U>Fair Value of Financial Instruments</U>:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">For certain of Solitario's financial instruments,
including cash and cash equivalents, payables and short-term debt, the carrying amounts approximate fair value due to their short
maturities. Solitario's marketable equity securities, including its investment in shares of Kinross common stock, Vendetta common
stock and TNR Gold Corp (&#8220;TNR&#8221;) common stock, are carried at their estimated fair value primarily based on publicly
available quoted market prices.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Solitario applies ASC 820 that establishes a
framework for measuring fair value and requires enhanced disclosures about fair value measurements. ASC 820 clarifies that fair
value is an exit price, representing the amount that would be received to sell an asset or paid to transfer a liability in an orderly
transaction between market participants. ASC 820 also requires disclosure about how fair value is determined for assets and liabilities
and establishes a hierarchy for which these assets and liabilities must be grouped, based on significant levels of inputs as follows:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0 1in"><B>Level 1</B>: Quoted prices in active markets for identical
assets or liabilities;<BR>
<B>Level 2</B>: Quoted prices in active markets for similar assets and liabilities and inputs that are observable for the asset
or liability; or<BR>
<B>Level 3</B>: Unobservable inputs in which there is little or no market data, which require the reporting entity to develop its
own assumptions.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">The determination of where assets and liabilities
fall within this hierarchy is based upon the lowest level of input that is significant to the fair value measurement. During the
years ended December 31, 2018 and 2017, there were no reclassifications in financial assets or liabilities between Level 1, 2 or
3 categories.</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"></P>




<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">The following is a listing of Solitario&#8217;s
financial assets and liabilities required to be measured at fair value on a recurring basis and where they are classified within
the hierarchy as of December 31, 2018:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; width: 100%; font: 10pt Times New Roman, Times, Serif">
<TR STYLE="vertical-align: bottom">
    <TD STYLE="text-align: justify; border-bottom: Black 1pt solid">(in thousands)</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center; border-bottom: Black 1pt solid">Level 1</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center; border-bottom: Black 1pt solid">Level 2</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center; border-bottom: Black 1pt solid">Level 3</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center; border-bottom: Black 1pt solid">Total</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="font-weight: bold">Assets</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="width: 40%; text-align: left">&nbsp;&nbsp;Short-term investments</TD><TD STYLE="width: 3%">&nbsp;</TD>
    <TD STYLE="width: 1%; text-align: left">$</TD><TD STYLE="width: 10%; text-align: right">10,223</TD><TD STYLE="width: 1%; text-align: left">&nbsp;</TD><TD STYLE="width: 3%">&nbsp;</TD>
    <TD STYLE="width: 1%; text-align: left">$</TD><TD STYLE="width: 10%; text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="width: 1%; text-align: left">&nbsp;</TD><TD STYLE="width: 3%">&nbsp;</TD>
    <TD STYLE="width: 1%; text-align: left">$</TD><TD STYLE="width: 10%; text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="width: 1%; text-align: left">&nbsp;</TD><TD STYLE="width: 3%">&nbsp;</TD>
    <TD STYLE="width: 1%; text-align: left">$</TD><TD STYLE="width: 10%; text-align: right">10,223</TD><TD STYLE="width: 1%; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="text-align: left">&nbsp;&nbsp;Marketable equity securities</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">$</TD><TD STYLE="text-align: right">1,585</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">$</TD><TD STYLE="text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">$</TD><TD STYLE="text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">$</TD><TD STYLE="text-align: right">1,585</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
</TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">The following is a listing of Solitario&#8217;s
financial assets and liabilities required to be measured at fair value on a recurring basis and where they are classified within
the hierarchy as of December 31, 2017:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; width: 100%; font: 10pt Times New Roman, Times, Serif">
<TR STYLE="vertical-align: bottom">
    <TD STYLE="text-align: justify; border-bottom: Black 1pt solid">(in thousands)</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center; border-bottom: Black 1pt solid">Level 1</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center; border-bottom: Black 1pt solid">Level 2</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center; border-bottom: Black 1pt solid">Level 3</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center; border-bottom: Black 1pt solid">Total</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="font-weight: bold">Assets</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="width: 40%; text-align: left">&nbsp;&nbsp;Short-term investments</TD><TD STYLE="width: 3%">&nbsp;</TD>
    <TD STYLE="width: 1%; text-align: left">$</TD><TD STYLE="width: 10%; text-align: right">11,642</TD><TD STYLE="width: 1%; text-align: left">&nbsp;</TD><TD STYLE="width: 3%">&nbsp;</TD>
    <TD STYLE="width: 1%; text-align: left">$</TD><TD STYLE="width: 10%; text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="width: 1%; text-align: left">&nbsp;</TD><TD STYLE="width: 3%">&nbsp;</TD>
    <TD STYLE="width: 1%; text-align: left">$</TD><TD STYLE="width: 10%; text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="width: 1%; text-align: left">&nbsp;</TD><TD STYLE="width: 3%">&nbsp;</TD>
    <TD STYLE="width: 1%; text-align: left">$</TD><TD STYLE="width: 10%; text-align: right">11,642</TD><TD STYLE="width: 1%; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="text-align: left">&nbsp;&nbsp;Marketable equity securities</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">$</TD><TD STYLE="text-align: right">2,643</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">$</TD><TD STYLE="text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">$</TD><TD STYLE="text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">$</TD><TD STYLE="text-align: right">2,643</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
</TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><I>Items measured at fair value on a recurring basis: </I></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><U>Short-term investments:</U> At December 31, 2018 and 2017, Solitario&#8217;s
holdings of short-term investments consist of USTS and CD&#8217;s and are recorded at their fair value based upon quoted market
prices.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><U>Marketable equity securities</U><I>: </I>At December 31, 2018
and 2017, the fair value of Solitario&#8217;s holdings in shares of Vendetta, Kinross, and TNR marketable equity securities and
the Kinross calls are based upon quoted market prices.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">During the year ended December 31, 2018, Solitario
did not change any of the valuation techniques used to measure its financial assets and liabilities at fair value.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">9. <U>Commitments and Contingencies:</U></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">In acquiring its interests in mineral claims
and leases, Solitario has entered into lease agreements, which may be canceled at its option without penalty. Solitario is required
to make minimum rental and option payments in order to maintain its interests in certain claims and leases. See Note 2, &#8220;Mineral
Properties,&#8221; above. Solitario estimates its 2019 property rentals and option payments for properties Solitario owns or operate
to be approximately $729,000. Assuming that Solitario&#8217;s joint ventures continue in their current status and that Solitario
does not appreciably change its property positions on existing properties, approximately $712,000 of these annual payments are
paid or are reimbursable to us by Solitario&#8217;s joint venture partners. In addition, Solitario may be required to make further
payments in the future enters into new agreements.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Solitario has recorded an asset retirement obligation
of $125,000 related to its Lik project in Alaska. See Note 2, &#8220;Mineral Properties,&#8221; above.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Solitario leases office space under a non-cancelable
operating lease for the Wheat Ridge, Colorado office which provides for total minimum annual rent payments of $43,000 through March
of 2021.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">In August of 2018, Solitario agreed to fund
a portion of a 2018 &#8211; 2019 drilling program at the Florida Canyon project. Per the agreement, Solitario will fund up to $1,580,000
of a planned 41-hole 17,000-meter drilling program to be conducted through December 31, 2019 (the &#8220;Drilling Program&#8221;).
Upon Nexa completing the first 1,700 meters of the Drilling Program, Solitario will pay Nexa $527,000, upon completion of the next
1,700 meters (3,400 meters total) of the Drilling Program, Solitario will pay Nexa $527,000, and upon completion of the next 1,700
meters (5,100 meters total) of the Drilling Program, Solitario will pay Nexa the balance remaining on its $1,580,000 funding commitment,
or $526,000. Solitario has no obligation to pay Nexa prior to the attainment of the separate 1,700-meter thresholds. The funding
commitments are in the form of an advance on Solitario&#8217;s commitment to fund 30% of any future development of Florida Canyon
under the existing joint venture agreement with Nexa. Accordingly, in the event Florida Canyon is developed, which cannot be assured
at this time, any funds paid to Nexa under this agreement, will reduce the amount of Solitario&#8217;s obligation to fund 30% of
future development costs, and / or repay loans from Nexa for future development costs at the Florida Canyon project. As of December
31, 2018, Nexa had completed four holes and a total of 2,203 meters under the Drilling Program, and Solitario has recorded an account
payable to Nexa of $527,000 and recorded a charge to exploration expense of $527,000, should Nexa complete the remaining 2,897
meters (5,100 meters less the completed 2,203 meters) during 2019, Solitario will be obligated to pay Nexa $1,053,000 in addition
to its currently recorded account payable of $527,000 during 2019.</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"></P>




<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">10. <U>Employee Stock Compensation Plans:</U></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">On June 18, 2013, Solitario&#8217;s shareholders
approved the Solitario Resources Corporation Omnibus Stock Incentive Plan (the &#8220;2013 Plan&#8221;). Under the terms of the
2013 Plan, as amended, a total of 5,750,000 shares of Solitario common stock are reserved for awards to directors, officers, employees
and consultants. Awards granted under the 2013 Plan may take the form of stock options, stock appreciation rights, restricted stock,
and restricted stock units. The terms and conditions of the awards are pursuant to the 2013 Plan and are granted by the Board of
Directors or a committee appointed by the Board of Directors.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.25in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0 0.5in">a.)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;2013 Plan stock option
grants</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">The following table shows the grant date fair
value of Solitario&#8217;s awards during 2018 pursuant to the 2013 Plan:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; width: 100%; font: 10pt Times New Roman, Times, Serif">
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="width: 56%; text-align: justify; padding-bottom: 1pt; padding-left: 5.4pt">Grant Date</TD><TD STYLE="width: 8%; padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="width: 1%; border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="width: 12%; border-bottom: Black 1pt solid; text-align: right">1</TD><TD STYLE="width: 1%; padding-bottom: 1pt; text-align: left">/02/18(1)</TD><TD STYLE="width: 8%; padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="width: 1%; border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="width: 12%; border-bottom: Black 1pt solid; text-align: right">11</TD><TD STYLE="width: 1%; padding-bottom: 1pt; text-align: left">/01/18(2)</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left; padding-left: 5.4pt">Option &ndash; grant date price</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">$</TD><TD STYLE="text-align: right">0.62</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">$</TD><TD STYLE="text-align: right">0.31</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="text-align: left; padding-left: 5.4pt">Options granted</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">100,000</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">1,623,000</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left; padding-left: 5.4pt">Expected life years</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">0.80</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">5.00</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="text-align: left; padding-left: 5.4pt">Expected volatility</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">66</TD><TD STYLE="text-align: left">%</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">64</TD><TD STYLE="text-align: left">%</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left; padding-left: 5.4pt">Risk free interest rate</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">1.0</TD><TD STYLE="text-align: left">%</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">3.0</TD><TD STYLE="text-align: left">%</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="padding-left: 5.4pt">Weighted average fair value</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">$</TD><TD STYLE="text-align: right">0.12</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">$</TD><TD STYLE="text-align: right">0.17</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left; padding-left: 5.4pt">Grant date fair value</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">$</TD><TD STYLE="text-align: right">12,000</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">$</TD><TD STYLE="text-align: right">282,000</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
</TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt/115% Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 10pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 0.25in"><FONT STYLE="font-size: 8pt">(1)</FONT></TD><TD><FONT STYLE="font-size: 8pt">Option granted to a consultant had an expected life of 0.8 years on grant date and was fully vested
during 2018. Option remains vested for a maximum of five years from date of grant or termination of the consulting contract. </FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt/115% Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 10pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 0.25in"><FONT STYLE="font-size: 8pt">(2)</FONT></TD><TD><FONT STYLE="font-size: 8pt">Option grants have a five-year term, and vest 25% on date of grant and 25% on each of the next
three anniversary dates. </FONT></TD></TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">The following table shows the grant date fair
value of Solitario&#8217;s awards during 2017 pursuant to the 2013 Plan:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; width: 100%; font: 10pt Times New Roman, Times, Serif">
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="width: 40%; text-align: justify; padding-bottom: 1pt; padding-left: 5.4pt">Grant Date</TD><TD STYLE="width: 2%; padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="width: 1%; border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="width: 6%; border-bottom: Black 1pt solid; text-align: right">7</TD><TD STYLE="width: 1%; padding-bottom: 1pt; text-align: left">/12/17(1)</TD><TD STYLE="width: 2%; padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="width: 1%; border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="width: 6%; border-bottom: Black 1pt solid; text-align: right">7</TD><TD STYLE="width: 1%; padding-bottom: 1pt; text-align: left">/12/17(1)</TD><TD STYLE="width: 2%; padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="width: 1%; border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="width: 6%; border-bottom: Black 1pt solid; text-align: right">7</TD><TD STYLE="width: 1%; padding-bottom: 1pt; text-align: left">/12/17(1)</TD><TD STYLE="width: 2%; padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="width: 1%; border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="width: 6%; border-bottom: Black 1pt solid; text-align: right">7</TD><TD STYLE="width: 1%; padding-bottom: 1pt; text-align: left">/12/17(1)</TD><TD STYLE="width: 2%; padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="width: 1%; border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="width: 6%; border-bottom: Black 1pt solid; text-align: right">9</TD><TD STYLE="width: 1%; padding-bottom: 1pt; text-align: left">/01/17(2)</TD><TD STYLE="width: 2%; padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="width: 1%; border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="width: 6%; border-bottom: Black 1pt solid; text-align: right">9</TD><TD STYLE="width: 1%; padding-bottom: 1pt; text-align: left">/01/17(3)</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left; padding-left: 5.4pt">Option &ndash; grant date price</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">$</TD><TD STYLE="text-align: right">1.74</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">$</TD><TD STYLE="text-align: right">1.52</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">$</TD><TD STYLE="text-align: right">1.30</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">$</TD><TD STYLE="text-align: right">0.54</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">$</TD><TD STYLE="text-align: right">0.77</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">$</TD><TD STYLE="text-align: right">0.77</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="text-align: left; padding-left: 5.4pt">Options granted</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">357,200</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">425,068</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">785,840</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">214,320</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">200,000</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">2,300,000</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left; padding-left: 5.4pt">Expected life years</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">0.84</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">1.35</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">1.50</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">1.50</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">5.0</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">5.0</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="text-align: left; padding-left: 5.4pt">Expected volatility</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">67</TD><TD STYLE="text-align: left">%</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">67</TD><TD STYLE="text-align: left">%</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">67</TD><TD STYLE="text-align: left">%</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">67</TD><TD STYLE="text-align: left">%</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">64</TD><TD STYLE="text-align: left">%</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">64</TD><TD STYLE="text-align: left">%</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left; padding-left: 5.4pt">Risk free interest rate</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">1.0</TD><TD STYLE="text-align: left">%</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">1.0</TD><TD STYLE="text-align: left">%</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">1.0</TD><TD STYLE="text-align: left">%</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">1.0</TD><TD STYLE="text-align: left">%</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">1.7</TD><TD STYLE="text-align: left">%</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">1.7</TD><TD STYLE="text-align: left">%</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="padding-left: 5.4pt">Weighted average fair value</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">$</TD><TD STYLE="text-align: right">0.02</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">$</TD><TD STYLE="text-align: right">0.08</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">$</TD><TD STYLE="text-align: right">0.12</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">$</TD><TD STYLE="text-align: right">0.36</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">$</TD><TD STYLE="text-align: right">0.42</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">$</TD><TD STYLE="text-align: right">0.42</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left; padding-left: 5.4pt">Grant date fair value</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">$</TD><TD STYLE="text-align: right">7,000</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">$</TD><TD STYLE="text-align: right">26,000</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">$</TD><TD STYLE="text-align: right">72,000</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">$</TD><TD STYLE="text-align: right">59,000</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">$</TD><TD STYLE="text-align: right">126,000</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">$</TD><TD STYLE="text-align: right">970,000</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
</TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt/115% Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 10pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 0.25in"><FONT STYLE="font-size: 8pt">(1)</FONT></TD><TD><FONT STYLE="font-size: 8pt">Replacement Options had terms of May 15, 2018, November 15, 2018, January 12, 2019 and January
12, 2019. The Replacement Options were fully vested on the date of grant. Replacement Options were priced in Canadian Dollars,
the grant day prices reflect the US Dollar price exchange rate of .07749 Cdn$/US$ on the date of grant. </FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt/115% Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 10pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 0.25in"><FONT STYLE="font-size: 8pt">(2)</FONT></TD><TD><FONT STYLE="font-size: 8pt">Options grants have a five-year term, and vest 25% on date of grant and 25% on each of the next
three anniversary dates.</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt/115% Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 10pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 0.25in"><FONT STYLE="font-size: 8pt">(3)</FONT></TD><TD><FONT STYLE="font-size: 8pt">Conditional Options, (defined below) approved by Solitario shareholders on June 19, 2018.</FONT></TD></TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0 0.5in"></P>

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    <DIV STYLE="page-break-before: always; margin-top: 6pt; margin-bottom: 6pt"><P STYLE="margin: 0pt">&nbsp;</P></DIV>
    <!-- Field: /Page -->

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0 0.5in">b.)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Stock option activity</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0 0.5in; text-indent: -0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">During 2018 and 2017 no options granted from
the 2013 Plan were exercised. The following table summarizes the activity for stock options outstanding under the 2013 Plan for
the years ended December 31, 2018 and 2017:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; width: 100%; font: 10pt Times New Roman, Times, Serif">
<TR STYLE="vertical-align: bottom">
    <TD>&nbsp;</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD COLSPAN="11" STYLE="text-align: center; border-bottom: Black 1pt solid">2018</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD COLSPAN="11" STYLE="text-align: center; border-bottom: Black 1pt solid">2017</TD></TR>
<TR STYLE="vertical-align: bottom">
    <TD>&nbsp;</TD><TD>&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center">Weighted</TD><TD>&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center">Weighted</TD><TD>&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom">
    <TD>&nbsp;</TD><TD>&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center">Average</TD><TD>&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center">Aggregate</TD><TD>&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center">Average</TD><TD>&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center">Aggregate</TD></TR>
<TR STYLE="vertical-align: bottom">
    <TD>&nbsp;</TD><TD>&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center">RSUs/</TD><TD>&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center">Exercise</TD><TD>&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center">Intrinsic</TD><TD>&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center">RSUs/</TD><TD>&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center">Exercise</TD><TD>&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center">Intrinsic</TD></TR>
<TR STYLE="vertical-align: bottom">
    <TD>&nbsp;</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center; border-bottom: Black 1pt solid">Options</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center; border-bottom: Black 1pt solid">Price</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center; border-bottom: Black 1pt solid">Value <FONT STYLE="font-size: 8pt">(1)</FONT></TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center; border-bottom: Black 1pt solid">Options</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center; border-bottom: Black 1pt solid">Price</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: center; border-bottom: Black 1pt solid">Value <FONT STYLE="font-size: 8pt">(2)</FONT></TD></TR>
<TR STYLE="vertical-align: bottom">
    <TD>&nbsp;</TD><TD>&nbsp;</TD>
    <TD COLSPAN="3">&nbsp;</TD><TD>&nbsp;</TD>
    <TD COLSPAN="3">&nbsp;</TD><TD>&nbsp;</TD>
    <TD COLSPAN="3">&nbsp;</TD><TD>&nbsp;</TD>
    <TD COLSPAN="3">&nbsp;</TD><TD>&nbsp;</TD>
    <TD COLSPAN="3">&nbsp;</TD><TD>&nbsp;</TD>
    <TD COLSPAN="3">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="width: 40%; text-align: left; padding-left: 5.4pt">Outstanding, beginning of year</TD><TD STYLE="width: 2%">&nbsp;</TD>
    <TD STYLE="width: 1%; text-align: left">&nbsp;</TD><TD STYLE="width: 6%; text-align: right">1,982,428</TD><TD STYLE="width: 1%; text-align: left">&nbsp;</TD><TD STYLE="width: 2%">&nbsp;</TD>
    <TD STYLE="width: 1%; text-align: left">$</TD><TD STYLE="width: 6%; text-align: right">1.29</TD><TD STYLE="width: 1%; text-align: left">&nbsp;</TD><TD STYLE="width: 2%">&nbsp;</TD>
    <TD STYLE="width: 1%; text-align: left">&nbsp;</TD><TD STYLE="width: 6%; text-align: right">&nbsp;</TD><TD STYLE="width: 1%; text-align: left">&nbsp;</TD><TD STYLE="width: 2%">&nbsp;</TD>
    <TD STYLE="width: 1%; text-align: left">&nbsp;</TD><TD STYLE="width: 6%; text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="width: 1%; text-align: left">&nbsp;</TD><TD STYLE="width: 2%">&nbsp;</TD>
    <TD STYLE="width: 1%; text-align: left">&nbsp;</TD><TD STYLE="width: 6%; text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="width: 1%; text-align: left">&nbsp;</TD><TD STYLE="width: 2%">&nbsp;</TD>
    <TD STYLE="width: 1%; text-align: left">&nbsp;</TD><TD STYLE="width: 6%; text-align: right">&nbsp;</TD><TD STYLE="width: 1%; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="padding-left: 5.4pt">Granted <FONT STYLE="font-size: 8pt">(3)</FONT></TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">4,023,000</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">$</TD><TD STYLE="text-align: right">0.58</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">1,982,428</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">$</TD><TD STYLE="text-align: right">1.29</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="padding-left: 5.4pt">Exercised</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="padding-left: 5.4pt">Expired</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">(782,268</TD><TD STYLE="text-align: left">)</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">$</TD><TD STYLE="text-align: right">2.09</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="padding-bottom: 1pt; padding-left: 5.4pt">Forfeited</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">&nbsp;</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">&nbsp;</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left; padding-bottom: 1pt; padding-left: 5.4pt">Outstanding, end of year</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">5,223,160</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">$</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">0.76</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">$</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">1,982,428</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">$</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">1.29</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">$</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">9,000</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="text-align: left; padding-bottom: 1pt; padding-left: 5.4pt">Exercisable, end of year</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">2,770,910</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">$</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">0.95</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">$</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">&mdash;&nbsp;&nbsp;</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">&nbsp;</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">1,832,428</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">$</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">1.33</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; text-align: left">$</TD><TD STYLE="border-bottom: Black 1pt solid; text-align: right">9,000</TD><TD STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD></TR>
</TABLE>

<P STYLE="font: 8pt Times New Roman, Times, Serif; margin: 0 0 0 0.5in">(1) Intrinsic value based upon December 31, 2018 price
of a share of Solitario common stock as quoted on the NYSE American exchange of $0.23 per share.</P>

<P STYLE="font: 8pt Times New Roman, Times, Serif; margin: 0 0 0 0.5in">(2) Intrinsic value based upon December 31, 2017 price
of a share of Solitario common stock as quoted on the NYSE American exchange of $0.60 per share.</P>

<P STYLE="font: 8pt Times New Roman, Times, Serif; margin: 0 0 0 0.5in">(3) Options granted during 2018, include 2,300,000 Conditional
Options, approved by Solitario shareholders on June 19, 2018.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">During the years ended December 31, 2018 and
2017, Solitario recorded $660,000 and $50,000, respectively, of stock option expense under the 2013 Plan for the amortization of
the grant date fair value of each of its outstanding options with a credit to additional paid-in-capital. At December 31, 2018,
the total unrecognized stock option compensation cost related to non-vested options is $639,000 and is expected to be recognized
over a weighted average period of 24 months.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">On September 1, 2017, the Board of Directors
granted, subject to shareholder approval at the next meeting of shareholders, 2,300,000 stock options under the 2013 Plan to officers
and members of the Board of Directors (the &#8220;Conditional Options&#8221;). The Conditional Options were approved by Solitario&#8217;s
shareholders at Solitario&#8217;s annual meeting on June 19, 2018. The Conditional Options vest on the schedule of 25% on date
of approval of the grant (June 19, 2018) and 25% on each of the next three anniversary dates of the date of grant (September 1,
2018, 2019 and 2020).</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">11. <U>Shareholders&#8217; equity and accumulated other comprehensive
income</U></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">We adopted ASU 2016-01 in the first quarter
of 2018. We recorded a cumulative-effect adjustment for the change in accounting principle to from other comprehensive income in
the equity section of the consolidated balance sheet to accumulated deficit of $576,000 related to the adoption of ASU 2016-01.
During 2017 we recorded an unrealized loss on marketable equity securities of $136,000 as other comprehensive income in the statement
of shareholders equity for the year ended December 31, 2017.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">12. <U>Share Repurchase Program</U></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">On October 28, 2015, Solitario&#8217;s Board
of Directors approved a share repurchase program that authorized Solitario to purchase up to two million shares of its outstanding
common stock. During 2018 Solitario&#8217;s Board of Directors extended the expiration date of the share repurchase program through
December 31, 2019. During the years ended December 31, 2018 and 2017, Solitario purchased 263,100 and 47,200 shares of Solitario
common stock, respectively, for an aggregate purchase price of $101,000 and $32,000, respectively. As of December 31, 2018, Solitario
has purchased a total of 930,900 shares for an aggregate purchase price of $449,000 under the share repurchase program since its
inception.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">13. <U>Subsequent Event</U></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">The financial statements and related disclosures
include an evaluation of events leading up through and including February 28, 2019, which is the date the financial statements
were issued. On January 22, 2019, Solitario announced the sale of its interests in a retained royalty on the Pedra Branca project
in Brazil, a retained royalty on non-producing exploration properties in Mexico, and a royalty on certain non-producing mineral
claims in Montana to SilverStream for Cdn$250,000 in cash and a one-year note from SilverStream for Cdn$350,000.</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"></P>




<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B>Item 9. <U>Changes in and Disagreements with Accountants on Accounting
and Financial Disclosure</U></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">None</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B>Item 9A. <U>Controls and Procedures</U></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">The management of Solitario is responsible for
establishing and maintaining adequate internal control over financial reporting (as defined in Rule 13a-15(e) of the Exchange Act).
During the fiscal period covered by this report, Solitario's management, with the participation of the Chief Executive Officer
and Chief Financial Officer, carried out an evaluation of the effectiveness of Solitario&#8217;s internal control over financial
reporting and the design and operation of Solitario&#8217;s disclosure controls and procedures (as defined in Rule 13a-15(e) of
the Exchange Act). This evaluation of the effectiveness of our internal control over financial reporting was based on the framework
and criteria established in <I>Internal Control</I> &#8211; <I>Integrated Framework (2013)</I>, issued by the Committee of Sponsoring
Organizations of the Treadway Commission. Based on such evaluations, Solitario&#8217;s Chief Executive Officer and Chief Financial
Officer have concluded that, as of December 31, 2018, Solitario&#8217;s internal control over financial reporting is effective
and that its disclosure controls and procedures are effective to ensure that information required to be disclosed by Solitario
in reports that it files or submits under the Exchange Act is recorded, processed, summarized and reported within the required
time periods and are designed to ensure that information required to be disclosed in its reports is accumulated and communicated
to Solitario&#8217;s management, including the Chief Executive Officer and Chief Financial Officer, as appropriate to allow timely
decisions regarding required disclosure. There were no changes in internal control over financial reporting during the three months
ended December 31, 2018.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">This Annual Report does not include an attestation
report of our independent registered public accounting firm regarding internal control over financial reporting. As a smaller reporting
company, Solitario&#8217;s management&#8217;s report was not subject to attestation by our independent registered public accounting
firm pursuant to rules of the SEC that permit us to provide only management&#8217;s report in this annual report.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B>Item 9B. <U>Other Information</U></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;None</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"></P>




<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: bold 10pt/normal Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 0.3in">PART</TD><TD STYLE="text-align: center">III</TD></TR></TABLE>

<P STYLE="font: 10pt/85% Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B>Item 10. <U>Directors, Executive Officers and Corporate Governance
</U></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The
information required under Item 10 is incorporated herein by reference to the information set forth in our definitive proxy statement
in connection with the annual meeting of shareholders to be filed with the SEC within 120 days after the end of our fiscal year
ended December 31, 2018 pursuant to Section 14(a) of the Exchange Act (the &quot;2019 Proxy&quot;).</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: bold 10pt Times New Roman, Times, Serif; margin: 0 0 0 0.4in; text-indent: -0.4in">Item 11. <U>Executive Compensation</U></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The
information required under Item 11 is incorporated herein by reference to the information set forth in the 2019 Proxy.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B>Item 12. <U>Security Ownership of Certain Beneficial Owners and
Management and Related Stockholder Matters</U></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The
information with respect to Item 12 is incorporated herein by reference to the information set forth in the 2019 Proxy<B>.</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B>Item 13. <U>Certain Relationships and Related Transactions, and
Director Independence</U></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The
information with respect to Item 13 is incorporated herein by reference to the information set forth in the 2019 Proxy<B>.</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: bold 10pt Times New Roman, Times, Serif; margin: 0 0 0 0.8in; text-align: left; text-indent: -0.8in">Item 14. <U>Principal
Accounting Fees and Services</U></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The
information required under Item 14 is incorporated herein by reference to the information set forth in the 2019 Proxy<B>.</B></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"></P>




<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>PART IV</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B>Item 15. <U>Exhibits, Financial Statement Schedules</U></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The
following documents are filed as a part of this Annual Report on Form&nbsp;10-K:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">1.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Financial Statements</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The
following financial statements contained in Part&nbsp;II, Item&nbsp;8 are filed as part of this Annual Report on Form&nbsp;10-K:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 100%">Consolidated Financial Statements<BR>
Report of Independent Registered Public Accounting Firm<BR>
Consolidated Balance Sheets as of December 31, 2018 and 2017 <BR>
Consolidated Statements of Operations for the years ended December 31, 2018 and 2017<BR>
Consolidated Statements of Comprehensive Income (Loss) for the years ended December 31, 2018 and 2017<BR>
Consolidated Statements of Shareholders&#8217; Equity for the years ended December 31, 2018 and 2017 <BR>
Consolidated Statements of Cash Flows for the years ended December 31, 2018 and 2017<BR>
Notes to Consolidated Financial Statements</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">2.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Financial Statement Schedules</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Financial
statement schedules are omitted because they are not required or are not applicable, or the required information is provided in
the consolidated financial statements or notes thereto described in Item&nbsp;15(1) above.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">3.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Exhibits</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The
Exhibits listed in the Index to Exhibits, which appears immediately following the signature page and is incorporated herein by
reference, are filed as part of this Annual Report on Form&nbsp;10-K.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B>Item 16. Form 10-K Summary</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">None.</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"></P>




<P STYLE="font: 10pt/85% Times New Roman, Times, Serif; margin: 0; text-align: center"><B><U>SIGNATURES</U></B></P>

<P STYLE="font: 10pt/85% Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/85% Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Pursuant
to the requirements of Section 13 or 15(d) 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: 10pt/85% Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR STYLE="vertical-align: bottom">
    <TD COLSPAN="2" STYLE="padding-right: 5.4pt; padding-left: 5.4pt">SOLITARIO ZINC CORP.</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 14%; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="width: 86%; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">By:</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><U>/s/ James R. Maronick</U></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Chief Financial Officer</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Date:</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><U>February 28, 2019</U></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD></TR>
</TABLE>
<P STYLE="font: 10pt/85% Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/85% Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/85% Times New Roman, Times, Serif; margin: 0; text-indent: 27pt">Pursuant to the requirements of the Securities
Exchange Act of 1934, this report has been signed below by the following persons on behalf of the registrant and in the capacities
and on the dates indicated.</P>

<P STYLE="font: 10pt/85% Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt/85% Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 29%; padding-right: 5.4pt; padding-left: 5.4pt"><B>Signature</B></TD>
    <TD STYLE="width: 4%; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="width: 50%; padding-right: 5.4pt; padding-left: 5.4pt"><B>Title</B></TD>
    <TD STYLE="width: 17%; padding-right: 5.4pt; padding-left: 5.4pt"><B>Date</B></TD></TR>
<TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><U>/s/ </U></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
        <P STYLE="font: 10pt/85% Times New Roman, Times, Serif; margin: 0">Christopher E. Herald,</P>
        <P STYLE="font: 10pt/85% Times New Roman, Times, Serif; margin: 0">Chief Executive Officer</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Principal Executive Officer and Director</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">February 28, 2019</TD></TR>
<TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><U>/s/ </U></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">James R. Maronick, <BR>
Chief Financial Officer</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Principal Financial and Accounting Officer</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">February 28, 2019</TD></TR>
<TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD ROWSPAN="11" STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><U>&nbsp;&nbsp;&nbsp;</U><BR>
&nbsp;&nbsp;&nbsp;|<BR>
&nbsp;&nbsp;&nbsp;|<BR>
&nbsp;&nbsp;&nbsp;|<BR>
&nbsp;&nbsp;&nbsp;|<BR>
&nbsp;&nbsp;&nbsp;|<BR>
&nbsp;&nbsp;&nbsp;|<BR>
&nbsp;&nbsp;&nbsp;|<BR>
&nbsp;&nbsp;&nbsp;|<BR>
&nbsp;&nbsp;&nbsp;|<BR>
&nbsp;&nbsp;&nbsp;|<BR>
&nbsp;&nbsp;&nbsp;|<BR>
&nbsp;&nbsp;&nbsp;|<BR>
&nbsp;&nbsp;&nbsp;|<BR>
&nbsp;&nbsp;&nbsp;|<BR>
<U>&nbsp;&nbsp;&nbsp;</U>|</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><U>/s/ </U></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">John Labate</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">A majority of</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><U>/s/ </U></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">the Board of</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">February 28, 2019</TD></TR>
<TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Brian Labadie</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Directors</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><U>/s/ </U></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">James Hesketh</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
        <P STYLE="font: 10pt/85% Times New Roman, Times, Serif; margin: 0">/s/</P>
        <P STYLE="font: 10pt/85% Times New Roman, Times, Serif; margin: 0">Gil Atzmon</P>
        <P STYLE="font: 10pt/85% Times New Roman, Times, Serif; margin: 0">&nbsp;</P>
        <P STYLE="font: 10pt/85% Times New Roman, Times, Serif; margin: 0">&nbsp;</P>
        <P STYLE="font: 10pt/85% Times New Roman, Times, Serif; margin: 0">/s/</P>
        <P STYLE="font: 10pt/85% Times New Roman, Times, Serif; margin: 0">Joshua D. Crumb</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><U>By: /s/ </U></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;James R. Maronick,<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Attorney-in-fact</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD></TR>
</TABLE>
<P STYLE="font: 10pt/85% Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>




<P STYLE="font: 10pt/85% Times New Roman, Times, Serif; margin: 0; text-align: justify"></P>

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<P STYLE="font: 10pt/85% Times New Roman, Times, Serif; margin: 0; text-align: justify"></P>

<P STYLE="font: 10pt/85% Times New Roman, Times, Serif; margin: 0; text-align: center"><U>INDEX TO EXHIBITS </U></P>

<P STYLE="font: 10pt/85% Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; width: 100%; font: 10pt Times New Roman, Times, Serif">
<TR STYLE="vertical-align: bottom">
    <TD COLSPAN="5" STYLE="text-align: justify; border-bottom: Black 1pt solid">Description</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="width: 1%; text-align: left">&nbsp;</TD><TD STYLE="width: 18%; text-align: right">2.1</TD><TD STYLE="width: 1%; text-align: left">&nbsp;</TD><TD STYLE="width: 10%">&nbsp;</TD>
    <TD STYLE="width: 70%; text-align: left; padding-left: 5.4pt">Arrangement Agreement and Plan of Arrangement dated April 26, 2017, among Solitario Exploration &amp; Royalty Corp. and Zazu Metals Corporation (incorporated by reference to Exhibit 2.1 to Solitario&rsquo;s Current Report on Form 8-K filed on July 14, 2017)</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="padding-left: 5.4pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">3.1</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left; padding-left: 5.4pt">Amended and Restated Articles of Incorporation of Solitario Exploration &amp; Royalty Corp., as Amended (incorporated by reference to Exhibit 3.1 to Solitario&rsquo;s Form 10-Q filed on August 10, 2010)</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="padding-left: 5.4pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">3.1.1</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left; padding-left: 5.4pt">Articles of Amendment to Restated Articles of Incorporation of Solitario Zinc Corp. (incorporated by reference to Exhibit 3.1 to Solitario&rsquo;s Current Report on Form 8-K filed on July 14, 2017)</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="padding-left: 5.4pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">3.2</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left; padding-left: 5.4pt">Amended and Restated By-laws of Solitario Exploration &amp; Royalty Corp. (incorporated by reference to Exhibit 99.1 to Solitario&rsquo;s Form 8-K filed on March 22, 2013)</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="padding-left: 5.4pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">4.1</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left; padding-left: 5.4pt">Form of Common Stock Certificate of Solitario Zinc (incorporated by reference to Exhibit 4.1 to Solitario&rsquo;s Form 10-Q filed on November 8, 2017)</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="padding-left: 5.4pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">10.1#</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left; padding-left: 5.4pt">2013 Solitario Exploration &amp; Royalty Corp. Omnibus Stock and Incentive Plan (incorporated by reference to Exhibit 10.2 to Solitario&rsquo;s Form 8-K filed on June 20, 2013)</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="padding-left: 5.4pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">10.2</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left; padding-left: 5.4pt">Alliance Agreement, dated January 18, 2005, between Solitario Resources Corporation and Newmont Overseas Exploration Limited (incorporated by reference to Exhibit 99.1 to Solitario's Form 8-K filed on January 20, 2005)</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="padding-left: 5.4pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="padding-left: 5.4pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="padding-left: 5.4pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">10.3#</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left; padding-left: 5.4pt">Change in Control Severance Benefits Agreement between Solitario Resources Corporation and Christopher E. Herald, dated as of March 14, 2007 (incorporated by reference to Exhibit 99.1 to Solitario's Form 8-K filed on March 14, 2007)</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="padding-left: 5.4pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">10.4#</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left; padding-left: 5.4pt">Change in Control Severance Benefits Agreement between Solitario Resources Corporation and James R. Maronick, dated as of March 14, 2007 (incorporated by reference to Exhibit 99.2 to Solitario's Form 8-K filed on March 14, 2007)</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="padding-left: 5.4pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">10.5#</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left; padding-left: 5.4pt">Change in Control Severance Benefits Agreement between Solitario Resources Corporation and Walter W. Hunt, dated as of March 14, 2007 (incorporated by reference to Exhibit 99.3 to Solitario's Form 8-K filed on March 14, 2007)</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="padding-left: 5.4pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">10.6</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left; padding-left: 5.4pt">Framework Agreement for the Exploration and Development of Potential Mining Properties, related to Solitario's 100% owned Florida Canyon project in Peru between Minera Florida Canyon S.A., Minera Solitario Peru S.A.C., Solitario Resources Corporation, and Votorantim Metais &ndash; Cajamarquilla S.A., dated March 24, 2007 (incorporated by reference to Exhibit 10.2 to Solitario's Form 8-K filed on October 4, 2007)</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="padding-left: 5.4pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">10.7#</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left; padding-left: 5.4pt">First Amendment to the 2013 Solitario Exploration &amp; Royalty Corp. Omnibus Stock and Incentive Plan (incorporated by reference to Exhibit 10.1 to Solitario&rsquo;s Form 8-K filed on June 29, 2017)</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="padding-left: 5.4pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">14.1</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left; padding-left: 5.4pt">Code of Ethics for the Chief Executive Officer and Senior Financial Officer (incorporated by reference to Exhibit 99.1 to Solitario's Form 8-K filed on July 18, 2006)</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="padding-left: 5.4pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">21.1</TD><TD STYLE="text-align: left">*</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left; padding-left: 5.4pt">Subsidiaries of Solitario Zinc Corp.</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="padding-left: 5.4pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">23.1</TD><TD STYLE="text-align: left">*</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left; padding-left: 5.4pt">Consent of EKS&amp;H LLLP</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="padding-left: 5.4pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">23.2</TD><TD STYLE="text-align: left">*</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left; padding-left: 5.4pt">Consent of Plante Moran PLLC</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="padding-left: 5.4pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
</TABLE>




<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"></P>

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    <DIV STYLE="page-break-before: always; margin-top: 6pt; margin-bottom: 6pt"><P STYLE="margin: 0pt">&nbsp;</P></DIV>
    <!-- Field: /Page -->

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"></P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; width: 100%; font: 10pt Times New Roman, Times, Serif">
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="width: 1%; text-align: left">&nbsp;</TD><TD STYLE="width: 18%; text-align: right">24.1</TD><TD STYLE="width: 1%; text-align: left">*</TD><TD STYLE="width: 10%">&nbsp;</TD>
    <TD STYLE="width: 70%; padding-left: 5.4pt">Power of Attorney</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="padding-left: 5.4pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">31.1</TD><TD STYLE="text-align: left">*</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left; padding-left: 5.4pt">Certification of Chief Executive Officer pursuant to SEC Rule 13a-14(a)/15d-14(a) as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="padding-left: 5.4pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">31.2</TD><TD STYLE="text-align: left">*</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left; padding-left: 5.4pt">Certification of Chief Financial Officer pursuant to SEC Rule 13a-14(a)/15d-14(a) as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="padding-left: 5.4pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">32.1</TD><TD STYLE="text-align: left">*</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left; padding-left: 5.4pt">Certification of Chief Executive Officer and Chief Financial Officer pursuant to 18 U.S.C Section 1350 as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="padding-left: 5.4pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">101</TD><TD STYLE="text-align: left">*</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left; padding-left: 5.4pt">The following financial statements, formatted in XBRL: (i) Consolidated Balance Sheets as of December 31, 2018 and 2017; (ii) Consolidated Statements of Operations for the years ended December 31, 2018 and 2017; (iii) Consolidated Statements of Comprehensive Income (Loss) for the years ended December 31, 2018 and 2017; (iv) Consolidated Statements of Shareholders&rsquo; Equity for the years ended December 31, 2018 and 2017; (v) Consolidated Statements of Cash Flows for the years ended December 31, 2018 and 2017; and (vi) Notes to the Consolidated Financial Statements.</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="padding-left: 5.4pt">&nbsp;</TD></TR>
</TABLE>

<P STYLE="font: 10pt/85% Times New Roman, Times, Serif; margin: 0 0 0 0.25in; text-align: justify">* Filed herewith</P>

<P STYLE="font: 10pt/85% Times New Roman, Times, Serif; margin: 0 0 0 0.25in; text-align: justify"># Designates a management contract,
or a compensatory plan or arrangement.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>


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<TYPE>EX-21.1
<SEQUENCE>2
<FILENAME>exh211.htm
<DESCRIPTION>EXHIBIT 21.1
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<P STYLE="font: 11pt/107% Times New Roman, Times, Serif; margin: 0 0 8pt; text-align: right">Exhibit 21.1</P>

<P STYLE="font: 10pt/107% Times New Roman, Times, Serif; margin: 0 0 8pt; text-align: right">Exhibit 21.1</P>

<P STYLE="font: 11pt/107% Times New Roman, Times, Serif; margin: 0 0 8pt; text-align: center">Subsidiaries of Solitario Zinc Corp.</P>

<P STYLE="font: 10pt/107% Times New Roman, Times, Serif; margin: 0 0 8pt">&nbsp;</P>

<P STYLE="font: 11pt/107% Times New Roman, Times, Serif; margin: 0 0 8pt">Solitario Zinc Corp. [Colorado]</P>

<P STYLE="font: 11pt/107% Times New Roman, Times, Serif; margin: 0 0 8pt; text-indent: 0.5in">-
Zazu Metals Corp. [Canada] (100%)</P>

<P STYLE="font: 11pt/107% Times New Roman, Times, Serif; margin: 0 0 8pt; text-indent: 0.5in">- Zazu Metals (AK) Corp [USA &ndash;
Alaska] (100%)</P>

<P STYLE="font: 11pt/107% Times New Roman, Times, Serif; margin: 0 0 8pt; text-indent: 0.5in">- Minera Chambara, S.A. [Peru] (85%)</P>

<P STYLE="font: 11pt/107% Times New Roman, Times, Serif; margin: 0 0 8pt; text-indent: 0.5in">- Minera Solitario Peru, S.A. [Peru]
(100%)\</P>

<P STYLE="font: 11pt/107% Times New Roman, Times, Serif; margin: 0 0 8pt; text-indent: 0.5in">- Minera Bongar&aacute;, S.A. [Peru]
(39%)</P>

<P STYLE="font: 11pt/107% Times New Roman, Times, Serif; margin: 0 0 8pt; text-indent: 0.5in">- Minera Soloco, S.A. [Peru] (100%)</P>

<P STYLE="font: 10pt/107% Times New Roman, Times, Serif; margin: 0 0 8pt">&nbsp;</P>

<P STYLE="font: 10pt/107% Times New Roman, Times, Serif; margin: 0 0 8pt">&nbsp;</P>


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<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>3
<FILENAME>exh231.htm
<TEXT>
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<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: right">EXHIBIT 23.1</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: right"><B>&nbsp;</B></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>CONSENT OF INDEPENDENT PUBLIC ACCOUNTING
FIRM</B></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: justify">We consent to the incorporation by reference
in Solitario Zinc Corp.&#8217;s Registration Statements on Form S-3 (File No. 333-194827) and on Form S-8 (File Nos. 333-224224
and 333-190304) of our report dated March 14, 2018, relating to the consolidated financial statements which appear in this Annual
Report on Form 10-K.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">/s// EKS&amp;H LLLP</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">EKS&amp;H LLLP</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: justify">February 28, 2019</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: justify">Denver, Colorado</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><B><I>&nbsp;</I></B></P>


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<TYPE>EX-23.2
<SEQUENCE>4
<FILENAME>exh232.htm
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<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: right">EXHIBIT 23.2</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: right"><B>&nbsp;</B></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>CONSENT OF INDEPENDENT REGISTERED PUBLIC
ACCOUNTING FIRM</B></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: justify">We consent to the incorporation by reference
in Solitario Zinc Corp.&#8217;s Registration Statements on Form S-3 (File No. 333-194827) and on Form S-8 (File Nos. 333-224224
and 333-190304) of our report dated February 28, 2019, relating to the consolidated financial statements which appear in this Annual
Report on Form 10-K.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">/s// Plante Moran, PLLC</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">Plante Moran, PLLC</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: justify">February 28, 2019</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: justify">Denver, Colorado</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><B><I>&nbsp;</I></B></P>


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<DOCUMENT>
<TYPE>EX-24.1
<SEQUENCE>5
<FILENAME>exh241.htm
<DESCRIPTION>POWER OF ATTORNEY
<TEXT>
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<P STYLE="font: 10pt/85% Times New Roman, Times, Serif; margin: 0; text-align: right"><U>Exhibit 24.1</U></P>

<P STYLE="font: 10pt/85% Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt/85% Times New Roman, Times, Serif; margin: 0; text-align: center">POWER OF ATTORNEY</P>

<P STYLE="font: 10pt/85% Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;KNOW
ALL PERSONS BY THESE PRESENTS, that each person whose signature appears below constitutes and appoints James R. Maronick, his
true and lawful attorney-in-fact and agent, with full power of substitution and resubstitution, for him and in his name,
place and stead, in any and all capacities, to sign the Annual Report on Form 10-K for the fiscal year ended December 31,
2018, of Solitario  Zinc Corp. and any and all amendments thereto, and to file the same, with all exhibits thereto, and other
documents in connection therewith, with the Securities and Exchange Commission, granting unto said attorney-in-fact and
agent, and every act and thing requisite and necessary to be done in and about the premises, as fully to all intents and
purposes as he might or could do in person, hereby ratifying and confirming all that said attorney-in-fact and agent, or his
substitute or substitutes, may lawfully do or cause to be done by virtue hereof.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 50%; padding-right: 5.4pt; padding-left: 5.4pt"><B>NAME</B></TD>
    <TD STYLE="width: 50%; padding-right: 5.4pt; padding-left: 5.4pt"><B>DATE</B></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><U>&nbsp;</U></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">/s/ Brian Labadie</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><U>February 28, 2019</U></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">/s/ Christopher E. Herald</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><U>February 28, 2019</U></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><U>&nbsp;</U></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">/s/ Gil Atzmon</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><U>February 28, 2019</U></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><U>&nbsp;</U></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">/s/ John A. Labate</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><U>February 28, 2019</U></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">/s/ James Hesketh</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><U>February 28, 2019</U></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">/s/ Joshua Crumb</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><U>February 28, 2019</U></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD></TR>
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>


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<DOCUMENT>
<TYPE>EX-31.1
<SEQUENCE>6
<FILENAME>exh311.htm
<DESCRIPTION>CERTIFICATIONS
<TEXT>
<HTML>
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: right"><B>Exhibit 31.1</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>CERTIFICATIONS </B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">I, Christopher E. Herald certify that:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">1.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;I
have reviewed this annual report on Form 10-K of Solitario Zinc Corp. for the year ended December 31, 2018;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">2.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;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="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">3.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;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="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">4.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The
registrant's other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures
(as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange
Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.75in">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;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="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.75in">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(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="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.75in">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;c)
Evaluated the effectiveness of the registrant'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="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.75in">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;d)
Disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's
most recent fiscal quarter (the registrant's fourth fiscal quarter in the case of an annual report) that has materially affected,
or is reasonably likely to materially affect, the registrant's internal control over financial reporting; and</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">5.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The
registrant's other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial
reporting, to the registrant's auditors and the audit committee of the registrant's board of directors (or persons performing the
equivalent functions):</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.75in">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(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's ability to record, process, summarize and report financial information;
and</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.75in">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b)
Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's
internal control over financial reporting.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 100%; padding-right: 5.4pt; padding-left: 5.4pt; font: 10pt Times New Roman, Times, Serif; layout-grid-mode: line"><FONT STYLE="color: #333333">Date: February 28, 2019</FONT><BR>
<FONT STYLE="color: #333333">/s/ Christopher E. Herald</FONT><BR>
<FONT STYLE="color: #333333">Christopher E. Herald</FONT><BR>
<FONT STYLE="color: #333333">President and Chief Executive Officer</FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>


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</DOCUMENT>
<DOCUMENT>
<TYPE>EX-31.2
<SEQUENCE>7
<FILENAME>exh312.htm
<DESCRIPTION>CERTIFICATIONS
<TEXT>
<HTML>
<HEAD>
<TITLE></TITLE>
</HEAD>
<BODY>


<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: right"><B>Exhibit 31.2</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>CERTIFICATIONS</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">I, James R. Maronick, certify that:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">1.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;I
have reviewed this annual report on Form 10-K of Solitario Zinc Corp. for the year ended December 31, 2018;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">2.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;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="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">3.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;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="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">4.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The
registrant's other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures
(as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange
Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.75in">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;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="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.75in">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;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="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.75in">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;c)
Evaluated the effectiveness of the registrant'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="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0 0.5in; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.75in">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;d)
Disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's
most recent fiscal quarter (the registrant's fourth fiscal quarter in the case of an annual report) that has materially affected,
or is reasonably likely to materially affect, the registrant's internal control over financial reporting; and</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">5.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The
registrant's other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial
reporting, to the registrant's auditors and the audit committee of the registrant's board of directors (or persons performing the
equivalent functions):</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.75in">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(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's ability to record, process, summarize and report financial information;
and</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0 0.5in; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.75in">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b)
Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's
internal control over financial reporting.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 100%; padding-right: 5.4pt; padding-left: 5.4pt; font: 10pt Times New Roman, Times, Serif; layout-grid-mode: line"><FONT STYLE="color: #333333">Date: February 28, 2019</FONT><BR>
<FONT STYLE="color: #333333">/s/ James R. Maronick</FONT><BR>
<FONT STYLE="color: #333333">James R. Maronick</FONT><BR>
<FONT STYLE="color: #333333">Chief Financial Officer</FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>


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</DOCUMENT>
<DOCUMENT>
<TYPE>EX-32
<SEQUENCE>8
<FILENAME>exh32.htm
<DESCRIPTION>CERTIFICATION PURSUANT TO
<TEXT>
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<P STYLE="font: 11pt/115% Times New Roman, Times, Serif; margin: 0; text-align: right"><B>Exhibit 32</B></P>

<P STYLE="font: 11pt/115% Times New Roman, Times, Serif; margin: 0; text-align: center"><B>CERTIFICATION PURSUANT TO</B></P>

<P STYLE="font: 11pt/115% Times New Roman, Times, Serif; margin: 0; text-align: center"><B>18 U.S.C. SECTION 1350,</B></P>

<P STYLE="font: 11pt/115% Times New Roman, Times, Serif; margin: 0; text-align: center"><B>AS ADOPTED PURSUANT TO</B></P>

<P STYLE="font: 11pt/115% Times New Roman, Times, Serif; margin: 0; text-align: center"><B>SECTION 906 OF THE SARBANES-OXLEY ACT
OF 2002</B></P>

<P STYLE="font: 11pt/115% Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 11pt/115% Times New Roman, Times, Serif; margin: 0">In connection with the Annual Report of Solitario Zinc Corp.
(the &quot;Company&quot;) on Form 10-K for the period ended December 31, 2018, as filed with the Securities and Exchange Commission
on the date hereof (the &quot;Report&quot;), we, Christopher E. herald, Chief Executive Officer, and James R. Maronick, Chief Financial
Officer, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that
to our knowledge:</P>

<P STYLE="font: 11pt/115% Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 11pt/115% Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(1)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The
Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934.</P>

<P STYLE="font: 11pt/115% Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 11pt/115% Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(2)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The
information contained in the Report fairly presents, in all material respects, the financial condition and results of operations
of the Company.</P>

<P STYLE="font: 11pt/115% Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 11pt Calibri, Helvetica, Sans-Serif; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 50%; padding-right: 5.4pt; padding-left: 5.4pt; line-height: 115%">&nbsp;</TD>
    <TD STYLE="width: 50%; padding-right: 5.4pt; padding-left: 5.4pt; line-height: 115%">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; line-height: 115%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; line-height: 115%">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; line-height: 115%"><FONT STYLE="font-family: Times New Roman, Times, Serif">/s/<U>Christopher E. Herald&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</U></FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; line-height: 115%"><FONT STYLE="font-family: Times New Roman, Times, Serif">/s/<U>James R. Maronick&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</U></FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; line-height: 115%"><FONT STYLE="font-family: Times New Roman, Times, Serif">Christopher E. Herald</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; line-height: 115%"><FONT STYLE="font-family: Times New Roman, Times, Serif">James R. Maronick</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; line-height: 115%"><FONT STYLE="font-family: Times New Roman, Times, Serif">Chief Executive Officer</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; line-height: 115%"><FONT STYLE="font-family: Times New Roman, Times, Serif">Chief Financial Officer</FONT></TD></TR>
</TABLE>
<P STYLE="font: 11pt/115% Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 11pt/115% Times New Roman, Times, Serif; margin: 0">Dated: February 28, 2019</P>


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    <us-gaap:OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureAndSignificantAccountingPoliciesTextBlock contextRef="From2018-01-01to2018-12-31">&lt;p style="margin: 0pt"&gt;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0 0.5in; text-indent: -0.5in"&gt;1. &lt;u&gt;Business and Summary of Significant&#13;Accounting Policies&lt;/u&gt;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&lt;i&gt;Business and company formation&lt;/i&gt;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;Solitario Zinc Corp. (&amp;#8220;Solitario,&amp;#8221;&#13;&amp;#8220;Company&amp;#8221;) is an exploration stage company as defined in Industry Guide 7, as issued by the United States Securities&#13;and Exchange Commission (&amp;#8220;SEC&amp;#8221;). Solitario was incorporated in the state of Colorado on November 15, 1984 as a wholly-owned&#13;subsidiary of Crown Resources Corporation (&amp;#34;Crown&amp;#34;). In July 1994, Solitario became a publicly traded company on the Toronto&#13;Stock Exchange (the &amp;#34;TSX&amp;#34;) through its initial public offering. Solitario has been actively involved in mineral exploration&#13;since 1993. Solitario&amp;#8217;s primary business is to acquire exploration mineral properties and/or discover economic deposits on&#13;its mineral properties and advance these deposits, either on its own or through joint ventures, up to the development stage. At&#13;that point, or sometime prior to that point, Solitario would likely attempt to sell its mineral properties, pursue their development&#13;either on its own, or through a joint venture with a partner that has expertise in mining operations, or create a royalty with&#13;a third party that continues to advance the property. As a result of the Acquisition (defined below), Solitario is now primarily&#13;focused on the acquisition and exploration of zinc-related exploration mineral properties. In addition to focusing on its mineral&#13;exploration properties and the evaluation of mineral properties, Solitario also evaluates potential strategic corporate transactions&#13;for the potential acquisition of new precious and base metal properties and assets with exploration potential or business combinations&#13;that Solitario determines to be favorable to Solitario.&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&lt;u&gt;Purchase of Zazu&lt;/u&gt;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;On July 12, 2017, Solitario completed the acquisition&#13;of Zazu Metals Corp. (&amp;#8220;Zazu&amp;#8221;) pursuant to a definitive arrangement agreement between Solitario and Zazu (the &amp;#34;Arrangement&#13;Agreement&amp;#34;) whereby Solitario agreed to acquire all of the issued and outstanding common shares of Zazu (the &amp;#34;Zazu Shares&amp;#34;)&#13;by way of a statutory plan of arrangement (the &amp;#34;Arrangement&amp;#34;) under the &lt;i&gt;Canada Business Corporations Act&lt;/i&gt; (the &amp;#8220;Acquisition&amp;#8221;).&#13;The Arrangement was approved by the Ontario (Canada) Superior Court of Justice on July 7, 2017. Per the Arrangement, Solitario&#13;issued 19,788,177 shares of its common stock on July 12, 2017 in exchange for all of the issued and outstanding Zazu Shares, which&#13;represented 0.3572 shares of Solitario common stock for each outstanding Zazu Share. Solitario granted stock options to acquire&#13;an aggregate of 1,782,428 shares of Solitario common stock to Zazu option holders the (&amp;#8220;Replacement Options&amp;#8221;) in connection&#13;with the Acquisition. The total purchase price of $16,110,000, recorded during the year ended December 31, 2017, is detailed below.&#13;Results of operations for Zazu are included in Solitario&amp;#8217;s consolidated financial statements from the date of the Acquisition.&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;table cellspacing="0" cellpadding="0" style="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse"&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; width: 85%; padding-right: 5.4pt; padding-left: 5.4pt"&gt;(in thousands)&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; width: 15%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;July 12,&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;2017&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;Issuance of 19,788,177 shares of Solitario common stock&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$13,654&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;Replacement options&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;164&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;Investment banking and transaction costs&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;782&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;Convertible debenture due Solitario, cancelled&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;1,510&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;Total purchase price&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$16,110&lt;/td&gt;&lt;/tr&gt;&#13;&lt;/table&gt;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;The Acquisition was treated as an asset purchase.&#13;Accordingly, as the purchase of an asset (essentially the interest in the Lik project in Alaska) Solitario capitalized related&#13;transaction costs associated with the Acquisition, including the following costs:&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;table cellspacing="0" cellpadding="0" style="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse"&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; width: 85%; padding-right: 5.4pt; padding-left: 5.4pt"&gt;(in thousands)&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; width: 15%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;July 12,&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;2017&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;Investment banking fees&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;&amp;#160;&amp;#160;$552&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;Legal and accounting costs&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;196&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;Other costs and fees&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;34&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;Total capitalized transaction costs&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$782&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;/table&gt;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;The purchase price was allocated to the assets&#13;and liabilities acquired from Zazu on the date of the Acquisition as follows:&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;table cellspacing="0" cellpadding="0" style="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse"&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; width: 85%; padding-right: 5.4pt; padding-left: 5.4pt"&gt;(in thousands)&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; width: 15%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;July 12,&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;2017&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;Cash&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;&amp;#160;&amp;#160;$974&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;Other current assets&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;42&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;Equipment&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;&amp;#160;&amp;#160;100&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;Mineral property&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;15,611&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;Accounts payable&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;(492)&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;Asset retirement obligation &amp;#8211; Lik&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;(125)&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;Total purchase price&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; border-top: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$16,110&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;/table&gt;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;The cash transaction costs less the cash acquired&#13;are shown as the cash transaction costs for the year ended December 31, 2017 on the consolidated statement of cash flows. Solitario&#13;also incurred stock issuance costs of $117,000, related to the Acquisition, which were charged to equity.&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;Solitario has recorded revenue in the past from&#13;the sale of mineral property, including the sale on April 26, 2018 of its interest in the royalty on the Yanacocha property (discussed&#13;below) and the sale in 2015 of its former interest in Mount Hamilton LLC the owner of its former Mt. Hamilton project (the &amp;#8220;Mt.&#13;Hamilton Transaction&amp;#8221;), and joint venture property payments and the sale of a royalty on its former Mt. Hamilton project.&#13;Revenues from the sale or joint venture of properties, although significant when they occur, have not been a consistent annual&#13;source of revenue and would only occur in the future, if at all, on an infrequent basis.&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;Solitario currently considers its carried interest&#13;in the Florida Canyon project and its interest in the Lik project to be its core mineral property assets. Nexa Resources, Ltd.&#13;(&amp;#8220;Nexa&amp;#8221;), Solitario&amp;#8217;s joint venture partner, is expected to continue the development and furtherance of the Florida&#13;Canyon project and Solitario is monitoring progress at Florida Canyon. Solitario is working with its 50% joint venture partner,&#13;Teck American Incorporated, a wholly-owned subsidiary of Teck Resources Limited (both companies are referred to as &amp;#8220;Teck&amp;#8221;),&#13;in the Lik deposit to further the exploration and evaluate potential development plans for the Lik project.&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;&lt;font style="color: windowtext"&gt;As of December&#13;31, 2018, Solitario has significant balances of cash and short-term investments that Solitario anticipates using, in part, to further&#13;the development of the Florida Canyon project and the Lik project and to potentially acquire additional mineral property assets.&#13;The&lt;/font&gt; fluctuations in precious metal and other commodity prices has contributed to a challenging environment for mineral exploration&#13;and development, which has created opportunities as well as challenges for the potential acquisition of early-stage and advanced&#13;mineral exploration projects or other related assets at potentially attractive terms.&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&lt;i&gt;Financial reporting&lt;/i&gt;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;The consolidated financial statements include&#13;the accounts of Solitario and its wholly-owned subsidiaries. All significant intercompany accounts and transactions have been eliminated&#13;in consolidation. The consolidated financial statements are prepared in accordance with accounting principles generally accepted&#13;in the United States of America (&amp;#34;generally accepted accounting principles&amp;#34;) and are expressed in US dollars.&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&lt;i&gt;&amp;#160;&lt;/i&gt;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&lt;i&gt;Revenue recognition&lt;/i&gt;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;Solitario adopted ASU 2014-09 (defined below&#13;under &amp;#8220;Recent accounting pronouncements&amp;#8221;) on January 1, 2018. ASU 2014-09 primarily impacts revenue recognition based&#13;upon the timing of transfer of control of goods and services sold. Historically Solitario has recorded revenue from the sale of&#13;exploration mineral properties and joint venture property payments. Solitario&amp;#8217;s policy is to recognize revenue from the sale&#13;of its exploration mineral properties (those without reserves) on a property by property basis, computed as the cash received and&#13;/ or collectable receivables less any capitalized cost. Payments received for the sale of exploration property interests that are&#13;less than the properties cost are recorded as a reduction of the related property's capitalized cost.  In addition, Solitario&amp;#8217;s policy is to recognize revenue on any receipts of joint venture property payments in excess&#13;of its capitalized costs on a property that Solitario may lease to another mining company.&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;Solitario has recognized revenue during 2018&#13;for the first time in more than five years from the sale of an exploration mineral property, and expects, any property sales in&#13;the future to also be on an infrequent basis. The last proceeds from joint venture property payments was in 2015 and Solitario&#13;does not expect to record joint venture property payments on any of its currently held properties for the foreseeable future. Historically,&#13;Solitario&amp;#8217;s revenues have been infrequent and significant individual transactions and have only been from sales to well known&#13;or vetted mining companies. Solitario has never had a return on any of its sales recorded as revenue in its history and does not&#13;anticipate it will recognize any estimated returns on its current or future recorded revenues. The adoption of ASU 2014-09 had&#13;no impact on Solitario&amp;#8217;s recorded revenues for the year ended December 31, 2018 or 2017. Solitario recorded the revenue of&#13;$502,000 from the sale of the Yanacocha Royalty in accordance with ASU 2014-09.&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&lt;i&gt;Use of estimates&lt;/i&gt;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;The preparation of financial statements in conformity&#13;with generally accepted accounting principles requires management to make estimates and assumptions that affect the reported amounts&#13;of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported&#13;amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates. Some of the more&#13;significant estimates included in the preparation of Solitario's financial statements pertain to: (i) Solitario&amp;#8217;s carrying&#13;value of short-term investments; (ii) the recoverability of mineral properties related to its mineral exploration properties and&#13;their future exploration potential; (iii) the fair value of stock option grants to employees; (iv) the ability of Solitario to&#13;realize its deferred tax assets; and (v) Solitario's investment in marketable equity securities.&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;In performing its activities, Solitario has&#13;incurred certain costs for mineral properties. The recovery of these costs is ultimately dependent upon the sale of mineral property&#13;interests or the development of economically recoverable ore reserves and the ability of Solitario to obtain the necessary permits&#13;and financing to successfully place the properties into production, and upon future profitable operations, none of which is assured.&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&lt;i&gt;Cash and cash equivalents &lt;/i&gt;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;Cash equivalents include investments in highly&#13;liquid money-market securities with original maturities of three months or less when purchased. At December 31, 2018, approximately&#13;$113,000 of Solitario&amp;#8217;s cash and cash equivalents are held in brokerage accounts and foreign banks, which are not covered&#13;under the Federal Deposit Insurance Corporation (&amp;#8220;FDIC&amp;#8221;) rules for the United States.&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&lt;i&gt;Short-term investments&lt;/i&gt;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&lt;i&gt;&amp;#160;&lt;/i&gt;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;At December 31, 2018, Solitario has United States&#13;Treasury securities (&amp;#8220;USTS&amp;#8221;) with maturities of 15 days to 22 months recorded at their fair value of $9,345,000. At&#13;December 31, 2018, Solitario has $500,000 in separate bank certificates of deposit (&amp;#8220;CDs&amp;#8221;) each with a maximum value&#13;of $250,000, and each of which are covered by Federal Deposit Insurance Corporation insurance to the full-face value of the CDs.&#13;At December 31, 2018, the CDs have maturities of three months. In addition, Solitario has a US dollar bank savings account in Peru&#13;with a fair value of $378,000. Solitario&amp;#8217;s short-term investments are recorded at their fair value, based upon quoted market&#13;prices. The short-term investments are highly liquid and may be sold in their entirety at any time at their quoted market price&#13;and are classified as a current asset.&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;i&gt;Mineral properties &lt;/i&gt;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;Solitario expenses all exploration costs incurred&#13;on its mineral properties prior to the establishment of proven and probable reserves through the completion of a feasibility study.&#13;Initial acquisition costs of its mineral properties are capitalized. Solitario regularly performs evaluations of its investment&#13;in mineral properties to assess the recoverability and/or the residual value of its investments in these assets. All long-lived&#13;assets are reviewed for impairment whenever events or circumstances change which indicate the carrying amount of an asset may not&#13;be recoverable, utilizing established guidelines based upon undiscounted future net cash flows from the asset or upon the determination&#13;that certain exploration properties do not have sufficient potential for economic mineralization.&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&lt;i&gt;Derivative instruments&lt;/i&gt;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: left; text-indent: 0.5in"&gt;Solitario accounts for its&#13;derivative instruments in accordance with ASC 815, &amp;#34;Accounting for Derivative Instruments and Hedging Activities&amp;#34; (&amp;#8220;ASC&#13;815&amp;#8221;). Solitario acquired its investment in Vendetta Mining Corp. (&amp;#8220;Vendetta&amp;#8221;) units, including the Vendetta&#13;Warrants (defined below) during 2016. During 2017, Solitario exercised all of its Vendetta Warrants and at December 31, 2018 and&#13;2017 has no Vendetta Warrants. Changes in fair value of the Vendetta Warrants are recognized in the statements of operations in&#13;the period of change as gain or loss on derivative instruments. Solitario has entered into covered calls from time to time on its&#13;investment in Kinross marketable equity securities. Solitario has not designated its covered calls as hedging instruments and any&#13;changes in the fair value of the covered calls and its warrants are recognized in the statements of operations in the period of&#13;the change as gain or loss on derivative instruments.&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&lt;i&gt;Fair value&lt;/i&gt;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;Financial Accounting Standards Board ASC 820,&#13;&amp;#8220;Fair Value Measurements and Disclosures&amp;#8221; (&amp;#8220;ASC 820&amp;#8221;) establishes a framework for measuring fair value&#13;and requires enhanced disclosures about fair value measurements. ASC 820 clarifies that fair value is an exit price, representing&#13;the amount that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants.&#13;For certain of Solitario's financial instruments, including cash and cash equivalents and accounts payable, the carrying amounts&#13;approximate fair value due to their short-term maturities. Solitario's short-term investments in USTS and CDs, its marketable equity&#13;securities and any covered call options against those marketable equity securities are carried at their estimated fair value based&#13;on quoted market prices. See Note 8, &amp;#8220;Fair Value of Financial Instruments,&amp;#8221; below.&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&lt;i&gt;Marketable equity securities&lt;/i&gt;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;Solitario's investments in marketable equity&#13;securities are classified as available-for-sale and are carried at fair value, which is based upon quoted prices of the securities&#13;owned. Solitario records investments in marketable equity securities as available-for-sale for investments in publicly traded marketable&#13;equity securities for which it does not exercise significant control and where Solitario has no representation on the board of&#13;directors of those companies and exercises no control over the management of those companies. The cost of marketable equity securities&#13;sold is determined by the specific identification method. Changes in fair value are recorded as unrealized gain or loss in the&#13;statement of operations. A decline in fair value that is considered other than temporary is recognized as a loss in the consolidated&#13;statements of operations. &amp;#9;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&lt;i&gt;&amp;#160;&lt;/i&gt;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&lt;i&gt;Foreign exchange&lt;/i&gt;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;The United States dollar is the functional currency&#13;for all of Solitario's foreign subsidiaries. Although Solitario's South American exploration activities during 2018 and 2017 were&#13;conducted primarily in Peru, a portion of the payments for the land, leasehold and exploration agreements as well as certain exploration&#13;activities are denominated in United States dollars. Foreign currency gains and losses are included in the results of operations&#13;in the period in which they occur.&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&lt;i&gt;Income taxes&lt;/i&gt;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;Solitario accounts for income taxes in accordance&#13;with ASC 740, &amp;#8220;Accounting for Income Taxes&amp;#8221; (&amp;#8220;ASC 740&amp;#8221;). Under ASC 740, income taxes are provided for the&#13;tax effects of transactions reported in the financial statements and consist of taxes currently due plus deferred taxes related&#13;to certain income and expenses recognized in different periods for financial and income tax reporting purposes. Deferred tax assets&#13;and liabilities represent the future tax return consequences of those differences, which will either be taxable or deductible when&#13;the assets and liabilities are recovered or settled. Deferred taxes are also recognized for operating losses and tax credits that&#13;are available to offset future taxable income and income taxes, respectively. A valuation allowance is provided if it is more likely&#13;than not that some portion or all of the deferred tax assets will not be realized.&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&lt;i&gt;Accounting for uncertainty in income taxes&lt;/i&gt;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;ASC 740 clarifies the accounting for uncertainty&#13;in income taxes recognized in a company's financial statements. ASC 740 prescribes a recognition threshold and measurement attribute&#13;for the financial statement recognition and measurement of a tax position taken or expected to be taken in a tax return. ASC 740&#13;also provides guidance on derecognition, classification, interest and penalties, accounting in interim periods, disclosure, and&#13;transition. ASC 740 provides that a company's tax position will be considered settled if the taxing authority has completed its&#13;examination, the company does not plan to appeal, and it is remote that the taxing authority would reexamine the tax position in&#13;the future. These provisions of ASC 740 had no effect on Solitario's financial position or results of operations. See Note 6, &amp;#8220;Income&#13;Taxes,&amp;#8221; below.&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&lt;i&gt;Earnings per share&lt;/i&gt;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;The calculation of basic and diluted earnings&#13;(loss) per share is based on the weighted average number of shares of common stock outstanding during the years ended December&#13;31, 2018 and 2017. Potentially dilutive shares, consisting of outstanding common stock options for 5,223,160 and 1,982,428, respectively,&#13;Solitario common shares were excluded from the calculation of diluted earnings (loss) per share for the year ended December 31,&#13;2018 and 2017 because the effects were anti-dilutive.&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0 0.5in; text-indent: -0.5in"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&lt;i&gt;Employee stock compensation and incentive plans&lt;/i&gt;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;Solitario classifies all of its stock options&#13;as equity options in accordance with the provisions of ASC 718, &amp;#8220;Compensation &amp;#8211; Stock Compensation.&amp;#8221; See Note&#13;10, &amp;#8220;Employee Stock Compensation Plans,&amp;#8221; below.&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&lt;i&gt;Recently adopted accounting pronouncements&lt;/i&gt;&lt;/p&gt;&#13;&#13;&lt;p style="font: 12pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;In January 2016 the FASB issued ASU 2016-01,&#13;&amp;#8220;Financial Instruments &amp;#8211; Overall (subtopic 825-10) Recognition and Measurement of Financial Assets and Liabilities,&amp;#8221;&#13;(&amp;#8220;ASU 2016-01&amp;#8221;)&lt;i&gt;.&lt;/i&gt; ASU 2016-01 revises the classification and measurement of investment in certain equity investments&#13;and the presentation of certain fair value changes for certain financial liabilities measured at fair value. ASU 2016-01 requires&#13;the change in fair value of many equity investments to be recognized in net income. ASU 2016-01 is effective for interim and annual&#13;periods beginning after December 15, 2017, with early adoption permitted. Solitario adopted ASU 2016-01 in the first quarter of&#13;2018. Solitario recorded a cumulative-effect adjustment for the change in accounting principle to accumulated deficit of $576,000&#13;related to the adoption of ASU 2016-01.See also Note 9, &amp;#8220;Shareholders&amp;#8217; Equity and Accumulated Other Comprehensive Income,&amp;#8221;&#13;below.&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;In May 2014, the FASB issued ASU No. 2014-09,&#13;&lt;i&gt;Revenue from Contracts with Customers (Topic 606): &lt;/i&gt;Under ASU No. 2014-09, an entity should recognize revenue when it transfers&#13;promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled&#13;in exchange for those goods or services. ASU No. 2014-09 also requires additional disclosure about the nature, amount, timing,&#13;and uncertainty of revenue and cash flows arising from customer contracts. This includes significant judgments and changes in judgments&#13;and assets recognized from costs incurred to obtain or fulfill a contract. Solitario adopted ASU No. 2014-09 in 2018 and it had&#13;no impact on Solitario&amp;#8217;s financial position or results of operations.&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&lt;i&gt;Recently issued accounting pronouncements&lt;/i&gt;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;In February 2016, the FASB issued Accounting&#13;Standards Updated (&amp;#8220;ASU&amp;#8221;) 2016-02, &amp;#8220;Leases&amp;#8221; (&amp;#8220;ASU 2016-02&amp;#8221;). The new standard establishes a&#13;right-of-use (ROU) model that requires a lessee to record a ROU asset and a lease liability on the balance sheet for all leases&#13;with terms longer than 12 months. Leases will be classified as either finance or operating, with classification affecting the pattern&#13;of expense recognition in the income statement. The new standard is effective for interim and annual periods beginning after December&#13;15, 2018. The new rules will be effective for Solitario in the first quarter of 2019. Solitario expect the adoption of ASU 2016-02&#13;to materially change net income or total expense in the statement of operations from its current accounting methods and has estimated&#13;it will record an asset and offsetting liability of approximately $80,000 in the consolidated balance sheet upon adoption of ASU&#13;2016-02 in January 2019.&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;The FASB issued ASU No. 2016-13, &lt;i&gt;Financial&#13;Instruments &amp;#8211; Credit Losses (Topic 326): Measurements of Credit Losses on Financial Statements&lt;/i&gt; (&amp;#8220;ASU No. 2016-13&amp;#8221;)&lt;i&gt;.&#13;&lt;/i&gt;Among other things, these amendments require the measurement of all expected credit losses for financial assets held at the&#13;reporting date based on historical experience, current conditions, and reasonable and supportable forecasts. Financial institutions&#13;and other organizations will now use forward-looking information to better inform their credit loss estimates. ASU No. 2016-13&#13;is effective for Solitario for fiscal year, and interim periods within those fiscal years, beginning after December 15, 2019. Solitario&#13;does not expect the adoption of ASU No. 2016-13 to have a material impact, its consolidated financial position or results of operations.&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;&lt;b&gt;&amp;#160;&lt;/b&gt;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;In February 2018, the FASB issued ASU 2018-02,&#13;&amp;#8220;Reclassification of Certain Tax Effects from Accumulated Other Comprehensive Income&amp;#8221; (ASU 2018-02&amp;#8221;), which allows&#13;for a reclassification from accumulated other comprehensive income or loss to retained earnings or accumulated deficit for stranded&#13;tax effects resulting from the Tax Cuts and Jobs Act of 2017 (&amp;#8220;TCJA&amp;#8221;). ASU 2018-02 also requires certain related disclosures.&#13;ASU 2018-02 is effective for annual periods, and interim periods within those annual periods, beginning after December 15, 2018&#13;and should be applied either in the period of adoption or retrospectively to each period in which the effect of the change in the&#13;U.S. federal corporate income tax rate in the TCJA is recognized. Early adoption is permitted. Solitario does not expect the adoption&#13;of ASU 2018-02 will have a material effect on Solitario&amp;#8217;s financial position or results of operations.&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&#13;&#13;&lt;p style="margin: 0pt"&gt;&lt;/p&gt;</us-gaap:OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureAndSignificantAccountingPoliciesTextBlock>
    <us-gaap:OrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPoliciesTextBlock contextRef="From2018-01-01to2018-12-31">&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0 0.5in; text-indent: -0.5in"&gt;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0 0.5in; text-indent: -0.5in"&gt;1. &lt;u&gt;Business and Summary of Significant&#13;Accounting Policies&lt;/u&gt;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&lt;i&gt;Business and company formation&lt;/i&gt;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;Solitario Zinc Corp. (&amp;#8220;Solitario,&amp;#8221;&#13;&amp;#8220;Company&amp;#8221;) is an exploration stage company as defined in Industry Guide 7, as issued by the United States Securities&#13;and Exchange Commission (&amp;#8220;SEC&amp;#8221;). Solitario was incorporated in the state of Colorado on November 15, 1984 as a wholly-owned&#13;subsidiary of Crown Resources Corporation (&amp;#34;Crown&amp;#34;). In July 1994, Solitario became a publicly traded company on the Toronto&#13;Stock Exchange (the &amp;#34;TSX&amp;#34;) through its initial public offering. Solitario has been actively involved in mineral exploration&#13;since 1993. Solitario&amp;#8217;s primary business is to acquire exploration mineral properties and/or discover economic deposits on&#13;its mineral properties and advance these deposits, either on its own or through joint ventures, up to the development stage. At&#13;that point, or sometime prior to that point, Solitario would likely attempt to sell its mineral properties, pursue their development&#13;either on its own, or through a joint venture with a partner that has expertise in mining operations, or create a royalty with&#13;a third party that continues to advance the property. As a result of the Acquisition (defined below), Solitario is now primarily&#13;focused on the acquisition and exploration of zinc-related exploration mineral properties. In addition to focusing on its mineral&#13;exploration properties and the evaluation of mineral properties, Solitario also evaluates potential strategic corporate transactions&#13;for the potential acquisition of new precious and base metal properties and assets with exploration potential or business combinations&#13;that Solitario determines to be favorable to Solitario.&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&lt;u&gt;Purchase of Zazu&lt;/u&gt;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;On July 12, 2017, Solitario completed the acquisition&#13;of Zazu Metals Corp. (&amp;#8220;Zazu&amp;#8221;) pursuant to a definitive arrangement agreement between Solitario and Zazu (the &amp;#34;Arrangement&#13;Agreement&amp;#34;) whereby Solitario agreed to acquire all of the issued and outstanding common shares of Zazu (the &amp;#34;Zazu Shares&amp;#34;)&#13;by way of a statutory plan of arrangement (the &amp;#34;Arrangement&amp;#34;) under the &lt;i&gt;Canada Business Corporations Act&lt;/i&gt; (the &amp;#8220;Acquisition&amp;#8221;).&#13;The Arrangement was approved by the Ontario (Canada) Superior Court of Justice on July 7, 2017. Per the Arrangement, Solitario&#13;issued 19,788,177 shares of its common stock on July 12, 2017 in exchange for all of the issued and outstanding Zazu Shares, which&#13;represented 0.3572 shares of Solitario common stock for each outstanding Zazu Share. Solitario granted stock options to acquire&#13;an aggregate of 1,782,428 shares of Solitario common stock to Zazu option holders the (&amp;#8220;Replacement Options&amp;#8221;) in connection&#13;with the Acquisition. The total purchase price of $16,110,000, recorded during the year ended December 31, 2017, is detailed below.&#13;Results of operations for Zazu are included in Solitario&amp;#8217;s consolidated financial statements from the date of the Acquisition.&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;table cellspacing="0" cellpadding="0" style="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse"&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; width: 85%; padding-right: 5.4pt; padding-left: 5.4pt"&gt;(in thousands)&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; width: 15%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;July 12,&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;2017&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;Issuance of 19,788,177 shares of Solitario common stock&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$13,654&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;Replacement options&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;164&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;Investment banking and transaction costs&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;782&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;Convertible debenture due Solitario, cancelled&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;1,510&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;Total purchase price&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$16,110&lt;/td&gt;&lt;/tr&gt;&#13;&lt;/table&gt;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;The Acquisition was treated as an asset purchase.&#13;Accordingly, as the purchase of an asset (essentially the interest in the Lik project in Alaska) Solitario capitalized related&#13;transaction costs associated with the Acquisition, including the following costs:&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;table cellspacing="0" cellpadding="0" style="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse"&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; width: 85%; padding-right: 5.4pt; padding-left: 5.4pt"&gt;(in thousands)&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; width: 15%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;July 12,&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;2017&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;Investment banking fees&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;&amp;#160;&amp;#160;$552&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;Legal and accounting costs&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;196&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;Other costs and fees&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;34&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;Total capitalized transaction costs&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$782&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;/table&gt;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;The purchase price was allocated to the assets&#13;and liabilities acquired from Zazu on the date of the Acquisition as follows:&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;table cellspacing="0" cellpadding="0" style="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse"&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; width: 85%; padding-right: 5.4pt; padding-left: 5.4pt"&gt;(in thousands)&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; width: 15%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;July 12,&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;2017&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;Cash&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;&amp;#160;&amp;#160;$974&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;Other current assets&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;42&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;Equipment&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;&amp;#160;&amp;#160;100&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;Mineral property&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;15,611&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;Accounts payable&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;(492)&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;Asset retirement obligation &amp;#8211; Lik&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;(125)&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;Total purchase price&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; border-top: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$16,110&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;/table&gt;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;The cash transaction costs less the cash acquired&#13;are shown as the cash transaction costs for the year ended December 31, 2017 on the consolidated statement of cash flows. Solitario&#13;also incurred stock issuance costs of $117,000, related to the Acquisition, which were charged to equity.&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;Solitario has recorded revenue in the past from&#13;the sale of mineral property, including the sale on April 26, 2018 of its interest in the royalty on the Yanacocha property (discussed&#13;below) and the sale in 2015 of its former interest in Mount Hamilton LLC the owner of its former Mt. Hamilton project (the &amp;#8220;Mt.&#13;Hamilton Transaction&amp;#8221;), and joint venture property payments and the sale of a royalty on its former Mt. Hamilton project.&#13;Revenues from the sale or joint venture of properties, although significant when they occur, have not been a consistent annual&#13;source of revenue and would only occur in the future, if at all, on an infrequent basis.&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;Solitario currently considers its carried interest&#13;in the Florida Canyon project and its interest in the Lik project to be its core mineral property assets. Nexa Resources, Ltd.&#13;(&amp;#8220;Nexa&amp;#8221;), Solitario&amp;#8217;s joint venture partner, is expected to continue the development and furtherance of the Florida&#13;Canyon project and Solitario is monitoring progress at Florida Canyon. Solitario is working with its 50% joint venture partner,&#13;Teck American Incorporated, a wholly-owned subsidiary of Teck Resources Limited (both companies are referred to as &amp;#8220;Teck&amp;#8221;),&#13;in the Lik deposit to further the exploration and evaluate potential development plans for the Lik project.&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;&lt;font style="color: windowtext"&gt;As of December&#13;31, 2018, Solitario has significant balances of cash and short-term investments that Solitario anticipates using, in part, to further&#13;the development of the Florida Canyon project and the Lik project and to potentially acquire additional mineral property assets.&#13;The&lt;/font&gt; fluctuations in precious metal and other commodity prices has contributed to a challenging environment for mineral exploration&#13;and development, which has created opportunities as well as challenges for the potential acquisition of early-stage and advanced&#13;mineral exploration projects or other related assets at potentially attractive terms.&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&lt;i&gt;Financial reporting&lt;/i&gt;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;The consolidated financial statements include&#13;the accounts of Solitario and its wholly-owned subsidiaries. All significant intercompany accounts and transactions have been eliminated&#13;in consolidation. The consolidated financial statements are prepared in accordance with accounting principles generally accepted&#13;in the United States of America (&amp;#34;generally accepted accounting principles&amp;#34;) and are expressed in US dollars.&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&lt;i&gt;&amp;#160;&lt;/i&gt;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&lt;i&gt;Revenue recognition&lt;/i&gt;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;Solitario adopted ASU 2014-09 (defined below&#13;under &amp;#8220;Recent accounting pronouncements&amp;#8221;) on January 1, 2018. ASU 2014-09 primarily impacts revenue recognition based&#13;upon the timing of transfer of control of goods and services sold. Historically Solitario has recorded revenue from the sale of&#13;exploration mineral properties and joint venture property payments. Solitario&amp;#8217;s policy is to recognize revenue from the sale&#13;of its exploration mineral properties (those without reserves) on a property by property basis, computed as the cash received and&#13;/ or collectable receivables less any capitalized cost. Payments received for the sale of exploration property interests that are&#13;less than the properties cost are recorded as a reduction of the related property's capitalized cost.  In addition, Solitario&amp;#8217;s policy is to recognize revenue on any receipts of joint venture property payments in excess&#13;of its capitalized costs on a property that Solitario may lease to another mining company.&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;Solitario has recognized revenue during 2018&#13;for the first time in more than five years from the sale of an exploration mineral property, and expects, any property sales in&#13;the future to also be on an infrequent basis. The last proceeds from joint venture property payments was in 2015 and Solitario&#13;does not expect to record joint venture property payments on any of its currently held properties for the foreseeable future. Historically,&#13;Solitario&amp;#8217;s revenues have been infrequent and significant individual transactions and have only been from sales to well known&#13;or vetted mining companies. Solitario has never had a return on any of its sales recorded as revenue in its history and does not&#13;anticipate it will recognize any estimated returns on its current or future recorded revenues. The adoption of ASU 2014-09 had&#13;no impact on Solitario&amp;#8217;s recorded revenues for the year ended December 31, 2018 or 2017. Solitario recorded the revenue of&#13;$502,000 from the sale of the Yanacocha Royalty in accordance with ASU 2014-09.&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&lt;i&gt;Use of estimates&lt;/i&gt;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;The preparation of financial statements in conformity&#13;with generally accepted accounting principles requires management to make estimates and assumptions that affect the reported amounts&#13;of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported&#13;amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates. Some of the more&#13;significant estimates included in the preparation of Solitario's financial statements pertain to: (i) Solitario&amp;#8217;s carrying&#13;value of short-term investments; (ii) the recoverability of mineral properties related to its mineral exploration properties and&#13;their future exploration potential; (iii) the fair value of stock option grants to employees; (iv) the ability of Solitario to&#13;realize its deferred tax assets; and (v) Solitario's investment in marketable equity securities.&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;In performing its activities, Solitario has&#13;incurred certain costs for mineral properties. The recovery of these costs is ultimately dependent upon the sale of mineral property&#13;interests or the development of economically recoverable ore reserves and the ability of Solitario to obtain the necessary permits&#13;and financing to successfully place the properties into production, and upon future profitable operations, none of which is assured.&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&lt;i&gt;Cash and cash equivalents &lt;/i&gt;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;Cash equivalents include investments in highly&#13;liquid money-market securities with original maturities of three months or less when purchased. At December 31, 2018, approximately&#13;$113,000 of Solitario&amp;#8217;s cash and cash equivalents are held in brokerage accounts and foreign banks, which are not covered&#13;under the Federal Deposit Insurance Corporation (&amp;#8220;FDIC&amp;#8221;) rules for the United States.&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&lt;i&gt;Short-term investments&lt;/i&gt;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&lt;i&gt;&amp;#160;&lt;/i&gt;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;At December 31, 2018, Solitario has United States&#13;Treasury securities (&amp;#8220;USTS&amp;#8221;) with maturities of 15 days to 22 months recorded at their fair value of $9,345,000. At&#13;December 31, 2018, Solitario has $500,000 in separate bank certificates of deposit (&amp;#8220;CDs&amp;#8221;) each with a maximum value&#13;of $250,000, and each of which are covered by Federal Deposit Insurance Corporation insurance to the full-face value of the CDs.&#13;At December 31, 2018, the CDs have maturities of three months. In addition, Solitario has a US dollar bank savings account in Peru&#13;with a fair value of $378,000. Solitario&amp;#8217;s short-term investments are recorded at their fair value, based upon quoted market&#13;prices. The short-term investments are highly liquid and may be sold in their entirety at any time at their quoted market price&#13;and are classified as a current asset.&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;i&gt;Mineral properties &lt;/i&gt;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;Solitario expenses all exploration costs incurred&#13;on its mineral properties prior to the establishment of proven and probable reserves through the completion of a feasibility study.&#13;Initial acquisition costs of its mineral properties are capitalized. Solitario regularly performs evaluations of its investment&#13;in mineral properties to assess the recoverability and/or the residual value of its investments in these assets. All long-lived&#13;assets are reviewed for impairment whenever events or circumstances change which indicate the carrying amount of an asset may not&#13;be recoverable, utilizing established guidelines based upon undiscounted future net cash flows from the asset or upon the determination&#13;that certain exploration properties do not have sufficient potential for economic mineralization.&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&lt;i&gt;Derivative instruments&lt;/i&gt;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: left; text-indent: 0.5in"&gt;Solitario accounts for its&#13;derivative instruments in accordance with ASC 815, &amp;#34;Accounting for Derivative Instruments and Hedging Activities&amp;#34; (&amp;#8220;ASC&#13;815&amp;#8221;). Solitario acquired its investment in Vendetta Mining Corp. (&amp;#8220;Vendetta&amp;#8221;) units, including the Vendetta&#13;Warrants (defined below) during 2016. During 2017, Solitario exercised all of its Vendetta Warrants and at December 31, 2018 and&#13;2017 has no Vendetta Warrants. Changes in fair value of the Vendetta Warrants are recognized in the statements of operations in&#13;the period of change as gain or loss on derivative instruments. Solitario has entered into covered calls from time to time on its&#13;investment in Kinross marketable equity securities. Solitario has not designated its covered calls as hedging instruments and any&#13;changes in the fair value of the covered calls and its warrants are recognized in the statements of operations in the period of&#13;the change as gain or loss on derivative instruments.&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&lt;i&gt;Fair value&lt;/i&gt;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;Financial Accounting Standards Board ASC 820,&#13;&amp;#8220;Fair Value Measurements and Disclosures&amp;#8221; (&amp;#8220;ASC 820&amp;#8221;) establishes a framework for measuring fair value&#13;and requires enhanced disclosures about fair value measurements. ASC 820 clarifies that fair value is an exit price, representing&#13;the amount that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants.&#13;For certain of Solitario's financial instruments, including cash and cash equivalents and accounts payable, the carrying amounts&#13;approximate fair value due to their short-term maturities. Solitario's short-term investments in USTS and CDs, its marketable equity&#13;securities and any covered call options against those marketable equity securities are carried at their estimated fair value based&#13;on quoted market prices. See Note 8, &amp;#8220;Fair Value of Financial Instruments,&amp;#8221; below.&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&lt;i&gt;Marketable equity securities&lt;/i&gt;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;Solitario's investments in marketable equity&#13;securities are classified as available-for-sale and are carried at fair value, which is based upon quoted prices of the securities&#13;owned. Solitario records investments in marketable equity securities as available-for-sale for investments in publicly traded marketable&#13;equity securities for which it does not exercise significant control and where Solitario has no representation on the board of&#13;directors of those companies and exercises no control over the management of those companies. The cost of marketable equity securities&#13;sold is determined by the specific identification method. Changes in fair value are recorded as unrealized gain or loss in the&#13;statement of operations. A decline in fair value that is considered other than temporary is recognized as a loss in the consolidated&#13;statements of operations. &amp;#9;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&lt;i&gt;&amp;#160;&lt;/i&gt;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&lt;i&gt;Foreign exchange&lt;/i&gt;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;The United States dollar is the functional currency&#13;for all of Solitario's foreign subsidiaries. Although Solitario's South American exploration activities during 2018 and 2017 were&#13;conducted primarily in Peru, a portion of the payments for the land, leasehold and exploration agreements as well as certain exploration&#13;activities are denominated in United States dollars. Foreign currency gains and losses are included in the results of operations&#13;in the period in which they occur.&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&lt;i&gt;Income taxes&lt;/i&gt;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;Solitario accounts for income taxes in accordance&#13;with ASC 740, &amp;#8220;Accounting for Income Taxes&amp;#8221; (&amp;#8220;ASC 740&amp;#8221;). Under ASC 740, income taxes are provided for the&#13;tax effects of transactions reported in the financial statements and consist of taxes currently due plus deferred taxes related&#13;to certain income and expenses recognized in different periods for financial and income tax reporting purposes. Deferred tax assets&#13;and liabilities represent the future tax return consequences of those differences, which will either be taxable or deductible when&#13;the assets and liabilities are recovered or settled. Deferred taxes are also recognized for operating losses and tax credits that&#13;are available to offset future taxable income and income taxes, respectively. A valuation allowance is provided if it is more likely&#13;than not that some portion or all of the deferred tax assets will not be realized.&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&lt;i&gt;Accounting for uncertainty in income taxes&lt;/i&gt;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;ASC 740 clarifies the accounting for uncertainty&#13;in income taxes recognized in a company's financial statements. ASC 740 prescribes a recognition threshold and measurement attribute&#13;for the financial statement recognition and measurement of a tax position taken or expected to be taken in a tax return. ASC 740&#13;also provides guidance on derecognition, classification, interest and penalties, accounting in interim periods, disclosure, and&#13;transition. ASC 740 provides that a company's tax position will be considered settled if the taxing authority has completed its&#13;examination, the company does not plan to appeal, and it is remote that the taxing authority would reexamine the tax position in&#13;the future. These provisions of ASC 740 had no effect on Solitario's financial position or results of operations. See Note 6, &amp;#8220;Income&#13;Taxes,&amp;#8221; below.&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&lt;i&gt;Earnings per share&lt;/i&gt;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;The calculation of basic and diluted earnings&#13;(loss) per share is based on the weighted average number of shares of common stock outstanding during the years ended December&#13;31, 2018 and 2017. Potentially dilutive shares, consisting of outstanding common stock options for 5,223,160 and 1,982,428, respectively,&#13;Solitario common shares were excluded from the calculation of diluted earnings (loss) per share for the year ended December 31,&#13;2018 and 2017 because the effects were anti-dilutive.&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0 0.5in; text-indent: -0.5in"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&lt;i&gt;Employee stock compensation and incentive plans&lt;/i&gt;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;Solitario classifies all of its stock options&#13;as equity options in accordance with the provisions of ASC 718, &amp;#8220;Compensation &amp;#8211; Stock Compensation.&amp;#8221; See Note&#13;10, &amp;#8220;Employee Stock Compensation Plans,&amp;#8221; below.&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&lt;i&gt;Recently adopted accounting pronouncements&lt;/i&gt;&lt;/p&gt;&#13;&#13;&lt;p style="font: 12pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;In January 2016 the FASB issued ASU 2016-01,&#13;&amp;#8220;Financial Instruments &amp;#8211; Overall (subtopic 825-10) Recognition and Measurement of Financial Assets and Liabilities,&amp;#8221;&#13;(&amp;#8220;ASU 2016-01&amp;#8221;)&lt;i&gt;.&lt;/i&gt; ASU 2016-01 revises the classification and measurement of investment in certain equity investments&#13;and the presentation of certain fair value changes for certain financial liabilities measured at fair value. ASU 2016-01 requires&#13;the change in fair value of many equity investments to be recognized in net income. ASU 2016-01 is effective for interim and annual&#13;periods beginning after December 15, 2017, with early adoption permitted. Solitario adopted ASU 2016-01 in the first quarter of&#13;2018. Solitario recorded a cumulative-effect adjustment for the change in accounting principle to accumulated deficit of $576,000&#13;related to the adoption of ASU 2016-01.See also Note 9, &amp;#8220;Shareholders&amp;#8217; Equity and Accumulated Other Comprehensive Income,&amp;#8221;&#13;below.&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;In May 2014, the FASB issued ASU No. 2014-09,&#13;&lt;i&gt;Revenue from Contracts with Customers (Topic 606): &lt;/i&gt;Under ASU No. 2014-09, an entity should recognize revenue when it transfers&#13;promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled&#13;in exchange for those goods or services. ASU No. 2014-09 also requires additional disclosure about the nature, amount, timing,&#13;and uncertainty of revenue and cash flows arising from customer contracts. This includes significant judgments and changes in judgments&#13;and assets recognized from costs incurred to obtain or fulfill a contract. Solitario adopted ASU No. 2014-09 in 2018 and it had&#13;no impact on Solitario&amp;#8217;s financial position or results of operations.&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&lt;i&gt;Recently issued accounting pronouncements&lt;/i&gt;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;In February 2016, the FASB issued Accounting&#13;Standards Updated (&amp;#8220;ASU&amp;#8221;) 2016-02, &amp;#8220;Leases&amp;#8221; (&amp;#8220;ASU 2016-02&amp;#8221;). The new standard establishes a&#13;right-of-use (ROU) model that requires a lessee to record a ROU asset and a lease liability on the balance sheet for all leases&#13;with terms longer than 12 months. Leases will be classified as either finance or operating, with classification affecting the pattern&#13;of expense recognition in the income statement. The new standard is effective for interim and annual periods beginning after December&#13;15, 2018. The new rules will be effective for Solitario in the first quarter of 2019. Solitario expect the adoption of ASU 2016-02&#13;to materially change net income or total expense in the statement of operations from its current accounting methods and has estimated&#13;it will record an asset and offsetting liability of approximately $80,000 in the consolidated balance sheet upon adoption of ASU&#13;2016-02 in January 2019.&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;The FASB issued ASU No. 2016-13, &lt;i&gt;Financial&#13;Instruments &amp;#8211; Credit Losses (Topic 326): Measurements of Credit Losses on Financial Statements&lt;/i&gt; (&amp;#8220;ASU No. 2016-13&amp;#8221;)&lt;i&gt;.&#13;&lt;/i&gt;Among other things, these amendments require the measurement of all expected credit losses for financial assets held at the&#13;reporting date based on historical experience, current conditions, and reasonable and supportable forecasts. Financial institutions&#13;and other organizations will now use forward-looking information to better inform their credit loss estimates. ASU No. 2016-13&#13;is effective for Solitario for fiscal year, and interim periods within those fiscal years, beginning after December 15, 2019. Solitario&#13;does not expect the adoption of ASU No. 2016-13 to have a material impact, its consolidated financial position or results of operations.&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;&lt;b&gt;&amp;#160;&lt;/b&gt;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;In February 2018, the FASB issued ASU 2018-02,&#13;&amp;#8220;Reclassification of Certain Tax Effects from Accumulated Other Comprehensive Income&amp;#8221; (ASU 2018-02&amp;#8221;), which allows&#13;for a reclassification from accumulated other comprehensive income or loss to retained earnings or accumulated deficit for stranded&#13;tax effects resulting from the Tax Cuts and Jobs Act of 2017 (&amp;#8220;TCJA&amp;#8221;). ASU 2018-02 also requires certain related disclosures.&#13;ASU 2018-02 is effective for annual periods, and interim periods within those annual periods, beginning after December 15, 2018&#13;and should be applied either in the period of adoption or retrospectively to each period in which the effect of the change in the&#13;U.S. federal corporate income tax rate in the TCJA is recognized. Early adoption is permitted. Solitario does not expect the adoption&#13;of ASU 2018-02 will have a material effect on Solitario&amp;#8217;s financial position or results of operations.&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0 0.5in; text-indent: -0.5in"&gt;&lt;/p&gt;</us-gaap:OrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPoliciesTextBlock>
    <us-gaap:BusinessAcquisitionProFormaInformationTextBlock contextRef="From2018-01-01to2018-12-31">&lt;table cellspacing="0" cellpadding="0" style="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse"&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; width: 85%; padding-right: 5.4pt; padding-left: 5.4pt"&gt;(in thousands)&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; width: 15%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;July 12,&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;2017&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;Issuance of 19,788,177 shares of Solitario common stock&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$13,654&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;Replacement options&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;164&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;Investment banking and transaction costs&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;782&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;Convertible debenture due Solitario, cancelled&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;1,510&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;Total purchase price&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$16,110&lt;/td&gt;&lt;/tr&gt;&#13;&lt;/table&gt;</us-gaap:BusinessAcquisitionProFormaInformationTextBlock>
    <XPL:CapitalizedTransactionCostsAcquisitionTableTextBlock contextRef="From2018-01-01to2018-12-31">&lt;table cellspacing="0" cellpadding="0" style="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse"&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; width: 85%; padding-right: 5.4pt; padding-left: 5.4pt"&gt;(in thousands)&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; width: 15%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;July 12,&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;2017&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;Investment banking fees&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;&amp;#160;&amp;#160;$552&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;Legal and accounting costs&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;196&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;Other costs and fees&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;34&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;Total capitalized transaction costs&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$782&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;/table&gt;</XPL:CapitalizedTransactionCostsAcquisitionTableTextBlock>
    <XPL:PurchasePriceAllocatedAssetsAndLiabilitiesTableTextBlock contextRef="From2018-01-01to2018-12-31">&lt;table cellspacing="0" cellpadding="0" style="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse"&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; width: 85%; padding-right: 5.4pt; padding-left: 5.4pt"&gt;(in thousands)&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; width: 15%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;July 12,&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;2017&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;Cash&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;&amp;#160;&amp;#160;$974&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;Other current assets&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;42&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;Equipment&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;&amp;#160;&amp;#160;100&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;Mineral property&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;15,611&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;Accounts payable&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;(492)&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;Asset retirement obligation &amp;#8211; Lik&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;(125)&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;Total purchase price&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; border-top: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$16,110&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;/table&gt;</XPL:PurchasePriceAllocatedAssetsAndLiabilitiesTableTextBlock>
    <XPL:ValueOfStockIssuedForPurchaseofAssets contextRef="AsOf2017-07-12" unitRef="USD" decimals="-3">13654000</XPL:ValueOfStockIssuedForPurchaseofAssets>
    <XPL:ValueOptionsIssuedForReplacementOptions contextRef="AsOf2017-07-12" unitRef="USD" decimals="-3">164000</XPL:ValueOptionsIssuedForReplacementOptions>
    <us-gaap:InvestmentBankingAdvisoryBrokerageAndUnderwritingFeesAndCommissions contextRef="From2017-01-01to2017-12-31" unitRef="USD" decimals="-3">782000</us-gaap:InvestmentBankingAdvisoryBrokerageAndUnderwritingFeesAndCommissions>
    <us-gaap:CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAccretableYieldDisposalsOfLoans contextRef="From2017-01-01to2017-12-31" unitRef="USD" decimals="-3">1510000</us-gaap:CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAccretableYieldDisposalsOfLoans>
    <us-gaap:AcquisitionCosts contextRef="From2017-01-01to2017-12-31" unitRef="USD" decimals="-3">16110000</us-gaap:AcquisitionCosts>
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    <us-gaap:Cash contextRef="AsOf2017-07-12" unitRef="USD" decimals="-3">974000</us-gaap:Cash>
    <us-gaap:OtherAssetsCurrent contextRef="AsOf2017-07-12" unitRef="USD" decimals="-3">42000</us-gaap:OtherAssetsCurrent>
    <us-gaap:FixturesAndEquipmentGross contextRef="AsOf2017-07-12" unitRef="USD" decimals="-3">100000</us-gaap:FixturesAndEquipmentGross>
    <XPL:MineralPropertiesAcquisitionFairValue contextRef="AsOf2017-07-12" unitRef="USD" decimals="-3">15611000</XPL:MineralPropertiesAcquisitionFairValue>
    <us-gaap:AccountsPayableAndAccruedLiabilitiesCurrent contextRef="AsOf2017-07-12" unitRef="USD" decimals="-3">-492000</us-gaap:AccountsPayableAndAccruedLiabilitiesCurrent>
    <us-gaap:AccruedReclamationCostsCurrent contextRef="AsOf2017-07-12" unitRef="USD" decimals="-3">-125000</us-gaap:AccruedReclamationCostsCurrent>
    <XPL:CommonStockIssuedForPurchaseOfAssets contextRef="AsOf2017-07-12" unitRef="Shares" decimals="INF">19788177</XPL:CommonStockIssuedForPurchaseOfAssets>
    <XPL:ReplacementStockOptionsGranted contextRef="AsOf2017-07-12" unitRef="Shares" decimals="INF">1782428</XPL:ReplacementStockOptionsGranted>
    <XPL:PaymentsOfStockIssuanceCosts2 contextRef="From2017-01-01to2017-12-31" unitRef="USD" decimals="-3">117000</XPL:PaymentsOfStockIssuanceCosts2>
    <XPL:CashInBrokerageAndOtherAccounts contextRef="AsOf2018-12-31" unitRef="USD" decimals="-3">113000</XPL:CashInBrokerageAndOtherAccounts>
    <us-gaap:USGovernmentSecuritiesAtCarryingValue contextRef="AsOf2018-12-31" unitRef="USD" decimals="-3">9345000</us-gaap:USGovernmentSecuritiesAtCarryingValue>
    <us-gaap:CertificatesOfDepositAtCarryingValue contextRef="AsOf2018-12-31" unitRef="USD" decimals="-3">500000</us-gaap:CertificatesOfDepositAtCarryingValue>
    <us-gaap:InterestBearingForeignDepositMoneyMarket contextRef="AsOf2018-12-31" unitRef="USD" decimals="-3">378000</us-gaap:InterestBearingForeignDepositMoneyMarket>
    <us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount contextRef="From2018-01-01to2018-12-31" unitRef="Shares" decimals="INF">5223160</us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount>
    <us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount contextRef="From2017-01-01to2017-12-31" unitRef="Shares" decimals="INF">1982428</us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount>
    <XPL:CumulativeEffectAdjustmentChangeInAccountingPrinciple contextRef="From2018-01-01to2018-03-31" unitRef="USD" decimals="-3">576000</XPL:CumulativeEffectAdjustmentChangeInAccountingPrinciple>
    <us-gaap:NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfChangeOnOperatingResults contextRef="From2019-01-01to2019-03-31" unitRef="USD" decimals="-3">80000</us-gaap:NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfChangeOnOperatingResults>
    <XPL:MineralPropertiesDisclosureTextBlock contextRef="From2018-01-01to2018-12-31">&lt;p style="margin: 0pt"&gt;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;2. &lt;u&gt;Mineral Properties&lt;/u&gt;:&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;The following table details Solitario&amp;#8217;s capitalized investment&#13;in exploration mineral property:&lt;/p&gt;&#13;&#13;&lt;table cellspacing="0" cellpadding="0" style="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse"&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;(in thousands)&lt;/td&gt;&#13;    &lt;td colspan="2" style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;December 31,&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; width: 71%; padding-right: 5.4pt; padding-left: 5.4pt"&gt;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; width: 14%; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;2018&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; width: 15%; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;2017&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt"&gt;Exploration&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt"&gt;&amp;#160;&amp;#160;&amp;#160;Lik project (Alaska &amp;#8211; US)&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$15,611&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$15,611&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt"&gt;&amp;#160;&amp;#160;&amp;#160;La Promesa (Peru)&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;6&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;6&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt"&gt;&amp;#160;&amp;#160;&amp;#160;Montana Royalty property (US)&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;40&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;40&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt"&gt;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;Total exploration mineral property&lt;/td&gt;&#13;    &lt;td style="border-top: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;&amp;#160;&amp;#160;$15,657&amp;#160;&lt;/td&gt;&#13;    &lt;td style="border-top: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;&amp;#160;&amp;#160;$15,657&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;/table&gt;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&lt;i&gt;Exploration property&lt;/i&gt;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;Solitario's exploration mineral properties at&#13;December 31, 2018 and 2017 consist of use rights related to its exploration properties, and the value of such assets is primarily&#13;driven by the nature and amount of economic mineral ore believed to be contained, or potentially contained, in such properties.&#13;The amounts capitalized as mineral properties include concession and lease or option acquisition costs. Capitalized costs related&#13;to a mineral property represent its fair value at the time it was acquired. At December 31, 2018, none of Solitario&amp;#8217;s exploration&#13;properties have production (are operating) or contain proven or probable reserves. Solitario's exploration mineral properties represent&#13;interests in properties that Solitario believes have exploration and development potential. Solitario's mineral use rights generally&#13;are enforceable regardless of whether proven and probable reserves have been established. Solitario acquired the Lik project during&#13;2017 in the Acquisition; see Note 1 above.&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;In addition to its capitalized exploration properties,&#13;Solitario has an interest in its Florida Canyon exploration concessions, which are currently subject to a joint venture agreement&#13;where joint venture partners made stand-by joint venture payments to Solitario prior to January 1, 2015. Solitario recorded joint&#13;venture property payment revenue received in excess of capitalized costs. Per the joint venture agreement, as of December 31, 2018,&#13;no further standby joint-venture payments are due to Solitario on the Florida Canyon project. At December 31, 2018 and 2017, Solitario&#13;has no remaining capitalized costs related to its Florida Canyon joint venture.&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;On April 26, 2018, Solitario sold the Yanacocha&#13;Royalty to a Newmont for $502,000 in cash. Newmont owns the underlying mineral concessions covered by the Yanacocha Royalty. None&#13;of the concessions covered by the Yanacocha Royalty have any reported reserves or resources. Solitario had no mineral property&#13;capitalized cost in the Yanacocha Royalty and recorded Mineral Property Revenue of $502,000 during 2018.&lt;/p&gt;&#13;&#13;&lt;p style="font: 8pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&lt;i&gt;Discontinued projects &lt;/i&gt;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;During 2017, Solitario abandoned its interests&#13;in the Aconchi and Norcan exploration properties in Mexico and Solitario no longer holds any interest in those properties. However,&#13;there were no capitalized mineral property costs related to these properties and Solitario did not record any mineral property&#13;write-downs during the year ended December 31, 2017.&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&lt;i&gt;Exploration Expense&lt;/i&gt;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;The following items comprised exploration expense:&lt;/p&gt;&#13;&#13;&lt;table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse"&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;&amp;#160;&lt;/td&gt;&#13;    &lt;td colspan="2" style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt"&gt;&#13;        &lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"&gt;For the year ended&lt;/p&gt;&#13;        &lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"&gt;December 31,&lt;/p&gt;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; width: 72%; padding-right: 5.4pt; padding-left: 5.4pt"&gt;(in thousands)&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; width: 14%; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;2018&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; width: 14%; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;2017&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;Geologic and field expenses&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$1,165&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$447&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;Administrative&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;89&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;252&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;&amp;#160;&amp;#160;Total exploration expense&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; border-top: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$1,254&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; border-top: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$699&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;/table&gt;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&lt;u&gt;Asset Retirement Obligation&lt;/u&gt;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;In connection with the Acquisition, Solitario&#13;recorded an asset retirement obligation of $125,000 for Solitario&amp;#8217;s estimated reclamation cost of the existing disturbance&#13;at the Lik project. This disturbance consists of an exploration camp including certain drill sites and access roads at the camp.&#13;The estimate was based upon estimated cash costs for reclamation as determined by the permitting bond required by the State of&#13;Alaska, for which Solitario has retained a reclamation bond insurance policy in the event Solitario or its 50% partner, Teck, do&#13;not complete required reclamation.&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;Solitario has not applied a discount rate to&#13;the recorded asset retirement obligation as the estimated time frame for reclamation is not currently known, as reclamation is&#13;not expected to occur until the end of the Lik project life, which would follow future development and operations, the start of&#13;which cannot be estimated or assured at this time. Additionally, no depreciation will be recorded on the related asset for the&#13;asset retirement obligation until the Lik project goes into operation, which cannot be assured.&lt;/p&gt;&#13;&#13;&#13;&#13;&lt;p style="margin: 0pt"&gt;&lt;/p&gt;</XPL:MineralPropertiesDisclosureTextBlock>
    <XPL:PropertyPlantAndEquipmentTableTextBlock contextRef="From2018-01-01to2018-12-31">&lt;table cellspacing="0" cellpadding="0" style="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse"&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;(in thousands)&lt;/td&gt;&#13;    &lt;td colspan="2" style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;December 31,&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; width: 71%; padding-right: 5.4pt; padding-left: 5.4pt"&gt;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; width: 14%; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;2018&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; width: 15%; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;2017&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt"&gt;Exploration&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt"&gt;&amp;#160;&amp;#160;&amp;#160;Lik project (Alaska &amp;#8211; US)&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$15,611&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$15,611&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt"&gt;&amp;#160;&amp;#160;&amp;#160;La Promesa (Peru)&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;6&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;6&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt"&gt;&amp;#160;&amp;#160;&amp;#160;Montana Royalty property (US)&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;40&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;40&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt"&gt;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;Total exploration mineral property&lt;/td&gt;&#13;    &lt;td style="border-top: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;&amp;#160;&amp;#160;$15,657&amp;#160;&lt;/td&gt;&#13;    &lt;td style="border-top: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;&amp;#160;&amp;#160;$15,657&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;/table&gt;</XPL:PropertyPlantAndEquipmentTableTextBlock>
    <XPL:MineralPropertyExplorationExpenseTableTextBlock contextRef="From2018-01-01to2018-12-31">&lt;table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse"&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;&amp;#160;&lt;/td&gt;&#13;    &lt;td colspan="2" style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt"&gt;&#13;        &lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"&gt;For the year ended&lt;/p&gt;&#13;        &lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"&gt;December 31,&lt;/p&gt;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; width: 72%; padding-right: 5.4pt; padding-left: 5.4pt"&gt;(in thousands)&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; width: 14%; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;2018&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; width: 14%; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;2017&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;Geologic and field expenses&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$1,165&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$447&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;Administrative&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;89&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;252&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;&amp;#160;&amp;#160;Total exploration expense&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; border-top: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$1,254&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; border-top: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$699&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;/table&gt;</XPL:MineralPropertyExplorationExpenseTableTextBlock>
    <XPL:ExplorationGeologicAndFieldExpense contextRef="From2018-01-01to2018-12-31" unitRef="USD" decimals="-3">1165000</XPL:ExplorationGeologicAndFieldExpense>
    <XPL:ExplorationGeologicAndFieldExpense contextRef="From2017-01-01to2017-12-31" unitRef="USD" decimals="-3">447000</XPL:ExplorationGeologicAndFieldExpense>
    <us-gaap:OtherGeneralAndAdministrativeExpense contextRef="From2018-01-01to2018-12-31" unitRef="USD" decimals="-3">89000</us-gaap:OtherGeneralAndAdministrativeExpense>
    <us-gaap:OtherGeneralAndAdministrativeExpense contextRef="From2017-01-01to2017-12-31" unitRef="USD" decimals="-3">252000</us-gaap:OtherGeneralAndAdministrativeExpense>
    <us-gaap:MarketableSecuritiesUnrealizedGainLoss contextRef="From2018-01-01to2018-12-31" unitRef="USD" decimals="-3">-1058000</us-gaap:MarketableSecuritiesUnrealizedGainLoss>
    <us-gaap:MarketableSecuritiesUnrealizedGainLoss contextRef="From2017-01-01to2017-12-31" unitRef="USD" decimals="-3">-136000</us-gaap:MarketableSecuritiesUnrealizedGainLoss>
    <us-gaap:OtherComprehensiveIncomeLossNetOfTax contextRef="From2018-01-01to2018-12-31" unitRef="USD" decimals="-3">-3598000</us-gaap:OtherComprehensiveIncomeLossNetOfTax>
    <us-gaap:OtherComprehensiveIncomeLossNetOfTax contextRef="From2017-01-01to2017-12-31" unitRef="USD" decimals="-3">-1078000</us-gaap:OtherComprehensiveIncomeLossNetOfTax>
    <us-gaap:InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock contextRef="From2018-01-01to2018-12-31">&lt;table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse"&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td style="text-align: justify"&gt;(in thousands)&lt;/td&gt;&#13;    &lt;td colspan="2" style="padding-right: 4.5pt; text-align: center"&gt;Year ended&lt;br /&gt;&#13;December 31,&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td style="width: 74%"&gt;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="width: 13%; padding-right: 4.5pt; text-align: center"&gt;2018&lt;/td&gt;&#13;    &lt;td style="width: 13%; padding-right: 9pt; text-align: center"&gt;2017&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td&gt;&amp;#160;&amp;#160;Marketable equity securities at cost&lt;/td&gt;&#13;    &lt;td style="border-top: Black 1pt solid; padding-right: 4.5pt; text-align: right"&gt;$1,714&amp;#160;&lt;/td&gt;&#13;    &lt;td style="border-top: Black 1pt solid; padding-right: 9pt; text-align: right"&gt;$1,714&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td&gt;&amp;#160;&amp;#160;Cumulative unrealized (loss) gain on marketable equity securities&lt;/td&gt;&#13;    &lt;td style="border-bottom: Black 1pt solid; padding-right: 4.5pt; text-align: right"&gt;(129)&lt;/td&gt;&#13;    &lt;td style="border-bottom: Black 1pt solid; padding-right: 9pt; text-align: right"&gt;&amp;#160;&amp;#160;&amp;#160;929&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td&gt;&amp;#160;&amp;#160;Marketable equity securities at fair value&lt;/td&gt;&#13;    &lt;td style="border-bottom: Black 1pt solid; padding-right: 4.5pt; text-align: right"&gt;$1,585&amp;#160;&lt;/td&gt;&#13;    &lt;td style="border-bottom: Black 1pt solid; padding-right: 9pt; text-align: right"&gt;$2,643&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;/table&gt;</us-gaap:InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock>
    <us-gaap:GainLossOnInvestmentsTextBlock contextRef="From2018-01-01to2018-12-31">&lt;table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse"&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt"&gt;(in thousands)&lt;/td&gt;&#13;    &lt;td colspan="2" style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;Year ended&lt;br /&gt;&#13;December 31,&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td style="width: 74%; padding-right: 5.4pt; padding-left: 5.4pt"&gt;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="width: 13%; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;2018&lt;/td&gt;&#13;    &lt;td style="width: 13%; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;2017&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt"&gt;Cost of marketable equity securities sold&lt;/td&gt;&#13;    &lt;td style="padding-right: -0.9pt; padding-left: 0.1in; text-align: right"&gt;$&amp;#160;&amp;#160;-&amp;#160;&amp;#160;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 3.75pt; padding-left: 0.1in; text-align: right"&gt;$&amp;#160;&amp;#160;&amp;#160;88&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt"&gt;Realized gain on marketable equity securities sold&lt;/td&gt;&#13;    &lt;td style="border-bottom: Black 1pt solid; padding-right: -0.9pt; padding-left: 5.4pt; text-align: right"&gt;-&amp;#160;&amp;#160;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="border-bottom: Black 1pt solid; padding-right: 3.75pt; padding-left: 5.4pt; text-align: right"&gt;578&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt"&gt;Proceeds from the sale of marketable equity securities sold&lt;/td&gt;&#13;    &lt;td style="padding-right: -0.9pt; padding-left: 0.1in; text-align: right"&gt;-&amp;#160;&amp;#160;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 3.75pt; padding-left: 0.1in; text-align: right"&gt;(666)&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt"&gt;Purchase of marketable equity securities&lt;/td&gt;&#13;    &lt;td style="padding-right: -0.9pt; padding-left: 0.1in; text-align: right"&gt;-&amp;#160;&amp;#160;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 3.75pt; padding-left: 5.4pt; text-align: right"&gt;1,528&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt"&gt;Gross (loss) gain on marketable equity securities&lt;/td&gt;&#13;    &lt;td style="padding-right: -0.9pt; padding-left: 5.4pt; text-align: right"&gt;(1,058)&lt;/td&gt;&#13;    &lt;td style="padding-right: 3.75pt; padding-left: 5.4pt; text-align: right"&gt;442&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt"&gt;Change in marketable equity securities at fair value&lt;/td&gt;&#13;    &lt;td style="border-top: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: -0.9pt; padding-left: 5.4pt; text-align: right"&gt;$(1,058)&lt;/td&gt;&#13;    &lt;td style="border-top: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.75pt; padding-left: 5.4pt; text-align: right"&gt;&amp;#160;&amp;#160;&amp;#160;$ 1,304&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;/table&gt;</us-gaap:GainLossOnInvestmentsTextBlock>
    <us-gaap:UnrealizedGainLossOnInvestmentsTableTextBlock contextRef="From2018-01-01to2018-12-31">&lt;table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse"&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td style="text-align: justify"&gt;(in thousands)&lt;/td&gt;&#13;    &lt;td colspan="2" style="padding-right: 4.5pt; text-align: center"&gt;Year ended&lt;br /&gt;&#13;December 31,&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td style="width: 74%"&gt;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="width: 13%; padding-right: 4.5pt; text-align: center"&gt;2018&lt;/td&gt;&#13;    &lt;td style="width: 13%; padding-right: 9pt; text-align: center"&gt;2017&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td&gt;&amp;#160;&amp;#160;Gross (loss) gain on marketable securities&lt;/td&gt;&#13;    &lt;td style="border-top: Black 1pt solid; padding-right: 4.5pt; text-align: right"&gt;$(1,058)&lt;/td&gt;&#13;    &lt;td style="border-top: Black 1pt solid; padding-right: 9pt; text-align: right"&gt;$442&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td&gt;&amp;#160;&amp;#160;Realized gain on marketable equity securities sold&lt;/td&gt;&#13;    &lt;td style="border-bottom: Black 1pt solid; padding-right: 4.5pt; text-align: right"&gt;-&amp;#160;&amp;#160;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="border-bottom: Black 1pt solid; padding-right: 9pt; text-align: right"&gt;&amp;#160;&amp;#160;&amp;#160;(578)&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td&gt;&amp;#160;&amp;#160;Unrealized (loss) on marketable equity securities&lt;/td&gt;&#13;    &lt;td style="border-bottom: Black 1pt solid; padding-right: 4.5pt; text-align: right"&gt;$(1,058)&lt;/td&gt;&#13;    &lt;td style="border-bottom: Black 1pt solid; padding-right: 9pt; text-align: right"&gt;$(136)&lt;/td&gt;&lt;/tr&gt;&#13;&lt;/table&gt;</us-gaap:UnrealizedGainLossOnInvestmentsTableTextBlock>
    <XPL:InvestmentsDebtAndEquitySecuritiesTextBlock contextRef="From2018-01-01to2018-12-31">&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;3. &lt;u&gt;Marketable Equity Securities&lt;/u&gt;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;On May 2, 2016, Solitario purchased 7,240,000&#13;units of Vendetta for aggregate consideration of $289,000. Each unit included one common share of Vendetta and one warrant which&#13;allow the holder to purchase one share of Vendetta common stock at a price of Cdn$0.10 per share for a period of two years (the&#13;&amp;#8220;Vendetta Warrants&amp;#8221;). The purchase price of the units of $289,000 was allocated between the Vendetta common shares&#13;and the Vendetta Warrants based upon total fair values on the date of purchase. The Vendetta common stock was allocated a purchase&#13;cost of $186,000 and the Vendetta Warrants were allocated a purchase cost of $103,000. As discussed below, during 2017 Solitario&#13;exercised all of its Vendetta Warrants, and sold 3,480,000 shares of Vendetta common stock. As of December 31, 2018, Solitario&#13;owns 11,000,000 shares of Vendetta common stock which are carried at their fair value based upon the quoted market price of Vendetta,&#13;a publicly traded company on the TSX venture exchange, and included in marketable equity securities.&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0 0.55in 0 0; text-indent: 0.5in"&gt;The following tables summarize Solitario&amp;#8217;s&#13;marketable equity securities and adjustments to fair value:&lt;/p&gt;&#13;&#13;&lt;table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse"&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td style="text-align: justify"&gt;(in thousands)&lt;/td&gt;&#13;    &lt;td colspan="2" style="padding-right: 4.5pt; text-align: center"&gt;Year ended&lt;br /&gt;&#13;December 31,&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td style="width: 74%"&gt;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="width: 13%; padding-right: 4.5pt; text-align: center"&gt;2018&lt;/td&gt;&#13;    &lt;td style="width: 13%; padding-right: 9pt; text-align: center"&gt;2017&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td&gt;&amp;#160;&amp;#160;Marketable equity securities at cost&lt;/td&gt;&#13;    &lt;td style="border-top: Black 1pt solid; padding-right: 4.5pt; text-align: right"&gt;$1,714&amp;#160;&lt;/td&gt;&#13;    &lt;td style="border-top: Black 1pt solid; padding-right: 9pt; text-align: right"&gt;$1,714&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td&gt;&amp;#160;&amp;#160;Cumulative unrealized (loss) gain on marketable equity securities&lt;/td&gt;&#13;    &lt;td style="border-bottom: Black 1pt solid; padding-right: 4.5pt; text-align: right"&gt;(129)&lt;/td&gt;&#13;    &lt;td style="border-bottom: Black 1pt solid; padding-right: 9pt; text-align: right"&gt;&amp;#160;&amp;#160;&amp;#160;929&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td&gt;&amp;#160;&amp;#160;Marketable equity securities at fair value&lt;/td&gt;&#13;    &lt;td style="border-bottom: Black 1pt solid; padding-right: 4.5pt; text-align: right"&gt;$1,585&amp;#160;&lt;/td&gt;&#13;    &lt;td style="border-bottom: Black 1pt solid; padding-right: 9pt; text-align: right"&gt;$2,643&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;/table&gt;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 40.5pt"&gt;The following table represents changes in marketable&#13;equity securities:&lt;/p&gt;&#13;&#13;&lt;table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse"&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt"&gt;(in thousands)&lt;/td&gt;&#13;    &lt;td colspan="2" style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;Year ended&lt;br /&gt;&#13;December 31,&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td style="width: 74%; padding-right: 5.4pt; padding-left: 5.4pt"&gt;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="width: 13%; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;2018&lt;/td&gt;&#13;    &lt;td style="width: 13%; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;2017&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt"&gt;Cost of marketable equity securities sold&lt;/td&gt;&#13;    &lt;td style="padding-right: -0.9pt; padding-left: 0.1in; text-align: right"&gt;$&amp;#160;&amp;#160;-&amp;#160;&amp;#160;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 3.75pt; padding-left: 0.1in; text-align: right"&gt;$&amp;#160;&amp;#160;&amp;#160;88&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt"&gt;Realized gain on marketable equity securities sold&lt;/td&gt;&#13;    &lt;td style="border-bottom: Black 1pt solid; padding-right: -0.9pt; padding-left: 5.4pt; text-align: right"&gt;-&amp;#160;&amp;#160;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="border-bottom: Black 1pt solid; padding-right: 3.75pt; padding-left: 5.4pt; text-align: right"&gt;578&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt"&gt;Proceeds from the sale of marketable equity securities sold&lt;/td&gt;&#13;    &lt;td style="padding-right: -0.9pt; padding-left: 0.1in; text-align: right"&gt;-&amp;#160;&amp;#160;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 3.75pt; padding-left: 0.1in; text-align: right"&gt;(666)&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt"&gt;Purchase of marketable equity securities&lt;/td&gt;&#13;    &lt;td style="padding-right: -0.9pt; padding-left: 0.1in; text-align: right"&gt;-&amp;#160;&amp;#160;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 3.75pt; padding-left: 5.4pt; text-align: right"&gt;1,528&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt"&gt;Gross (loss) gain on marketable equity securities&lt;/td&gt;&#13;    &lt;td style="padding-right: -0.9pt; padding-left: 5.4pt; text-align: right"&gt;(1,058)&lt;/td&gt;&#13;    &lt;td style="padding-right: 3.75pt; padding-left: 5.4pt; text-align: right"&gt;442&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt"&gt;Change in marketable equity securities at fair value&lt;/td&gt;&#13;    &lt;td style="border-top: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: -0.9pt; padding-left: 5.4pt; text-align: right"&gt;$(1,058)&lt;/td&gt;&#13;    &lt;td style="border-top: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.75pt; padding-left: 5.4pt; text-align: right"&gt;&amp;#160;&amp;#160;&amp;#160;$ 1,304&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;/table&gt;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in"&gt;The following table represents&#13;the realized and unrealized gain (loss) on marketable equity securities:&lt;/p&gt;&#13;&#13;&lt;table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse"&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td style="text-align: justify"&gt;(in thousands)&lt;/td&gt;&#13;    &lt;td colspan="2" style="padding-right: 4.5pt; text-align: center"&gt;Year ended&lt;br /&gt;&#13;December 31,&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td style="width: 74%"&gt;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="width: 13%; padding-right: 4.5pt; text-align: center"&gt;2018&lt;/td&gt;&#13;    &lt;td style="width: 13%; padding-right: 9pt; text-align: center"&gt;2017&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td&gt;&amp;#160;&amp;#160;Gross (loss) gain on marketable securities&lt;/td&gt;&#13;    &lt;td style="border-top: Black 1pt solid; padding-right: 4.5pt; text-align: right"&gt;$(1,058)&lt;/td&gt;&#13;    &lt;td style="border-top: Black 1pt solid; padding-right: 9pt; text-align: right"&gt;$442&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td&gt;&amp;#160;&amp;#160;Realized gain on marketable equity securities sold&lt;/td&gt;&#13;    &lt;td style="border-bottom: Black 1pt solid; padding-right: 4.5pt; text-align: right"&gt;-&amp;#160;&amp;#160;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="border-bottom: Black 1pt solid; padding-right: 9pt; text-align: right"&gt;&amp;#160;&amp;#160;&amp;#160;(578)&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td&gt;&amp;#160;&amp;#160;Unrealized (loss) on marketable equity securities&lt;/td&gt;&#13;    &lt;td style="border-bottom: Black 1pt solid; padding-right: 4.5pt; text-align: right"&gt;$(1,058)&lt;/td&gt;&#13;    &lt;td style="border-bottom: Black 1pt solid; padding-right: 9pt; text-align: right"&gt;$(136)&lt;/td&gt;&lt;/tr&gt;&#13;&lt;/table&gt;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;During 2017, Solitario sold 3,480,000 Vendetta&#13;common shares, for cash proceeds of $666,000. In addition, during 2017, Solitario exercised its Vendetta Warrants, also discussed&#13;below in Note 4, &amp;#8220;Other Assets&amp;#8221; and received 7,240,000 common shares of Vendetta. Solitario transferred the fair value&#13;of the Vendetta Warrants on the date of exercise of $950,000, along with the cash paid to exercise the Vendetta Warrants of $578,000&#13;to marketable equity securities as the cost of the 7,240,000 common shares of Vendetta acquired.&lt;/p&gt;</XPL:InvestmentsDebtAndEquitySecuritiesTextBlock>
    <us-gaap:TradingSecuritiesCost contextRef="AsOf2018-12-31" unitRef="USD" decimals="-3">1714000</us-gaap:TradingSecuritiesCost>
    <us-gaap:TradingSecuritiesCost contextRef="AsOf2017-12-31" unitRef="USD" decimals="-3">1714000</us-gaap:TradingSecuritiesCost>
    <us-gaap:AvailableForSaleEquitySecuritiesAccumulatedGrossUnrealizedGainBeforeTax contextRef="AsOf2018-12-31" unitRef="USD" decimals="-3">-129000</us-gaap:AvailableForSaleEquitySecuritiesAccumulatedGrossUnrealizedGainBeforeTax>
    <us-gaap:AvailableForSaleEquitySecuritiesAccumulatedGrossUnrealizedGainBeforeTax contextRef="AsOf2017-12-31" unitRef="USD" decimals="-3">929000</us-gaap:AvailableForSaleEquitySecuritiesAccumulatedGrossUnrealizedGainBeforeTax>
    <XPL:CostMarketableSecurities contextRef="From2018-01-01to2018-12-31" unitRef="USD" xsi:nil="true" />
    <XPL:CostMarketableSecurities contextRef="From2017-01-01to2017-12-31" unitRef="USD" decimals="-3">88000</XPL:CostMarketableSecurities>
    <us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesEquity contextRef="From2018-01-01to2018-12-31" unitRef="USD" xsi:nil="true" />
    <us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesEquity contextRef="From2017-01-01to2017-12-31" unitRef="USD" decimals="-3">-666000</us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesEquity>
    <us-gaap:PaymentsToAcquireAvailableForSaleSecurities contextRef="From2018-01-01to2018-12-31" unitRef="USD" xsi:nil="true" />
    <us-gaap:PaymentsToAcquireAvailableForSaleSecurities contextRef="From2017-01-01to2017-12-31" unitRef="USD" decimals="-3">1528000</us-gaap:PaymentsToAcquireAvailableForSaleSecurities>
    <us-gaap:MarketableSecuritiesGainLoss contextRef="From2018-01-01to2018-12-31" unitRef="USD" decimals="-3">-1058000</us-gaap:MarketableSecuritiesGainLoss>
    <us-gaap:MarketableSecuritiesGainLoss contextRef="From2017-01-01to2017-12-31" unitRef="USD" decimals="-3">442000</us-gaap:MarketableSecuritiesGainLoss>
    <us-gaap:IncreaseDecreaseInTradingSecurities contextRef="From2018-01-01to2018-12-31" unitRef="USD" decimals="-3">-1058000</us-gaap:IncreaseDecreaseInTradingSecurities>
    <us-gaap:IncreaseDecreaseInTradingSecurities contextRef="From2017-01-01to2017-12-31" unitRef="USD" decimals="-3">1304000</us-gaap:IncreaseDecreaseInTradingSecurities>
    <XPL:UnitsOfSharesAndWarrantsPurchased contextRef="AsOf2016-05-02" unitRef="Shares" decimals="INF">7240000</XPL:UnitsOfSharesAndWarrantsPurchased>
    <XPL:CostOfFinancialInstrumentsOwned contextRef="AsOf2016-05-02" unitRef="USD" decimals="-3">289000</XPL:CostOfFinancialInstrumentsOwned>
    <XPL:SharesSoldMarketableEquitySecurities contextRef="From2017-01-01to2017-12-31" unitRef="Shares" decimals="INF">3480000</XPL:SharesSoldMarketableEquitySecurities>
    <XPL:SharesOwnedVendetta contextRef="AsOf2018-12-31" unitRef="Shares" decimals="INF">11000000</XPL:SharesOwnedVendetta>
    <us-gaap:ProceedsFromSalesOfAssetsInvestingActivities contextRef="From2017-01-01to2017-12-31" unitRef="USD" decimals="-3">666000</us-gaap:ProceedsFromSalesOfAssetsInvestingActivities>
    <XPL:IntrinsicValueWarrant contextRef="From2017-01-01to2017-12-31" unitRef="USD" decimals="-3">950000</XPL:IntrinsicValueWarrant>
    <us-gaap:PaymentsToAcquireMarketableSecurities contextRef="From2017-01-01to2017-12-31" unitRef="USD" decimals="-3">578000</us-gaap:PaymentsToAcquireMarketableSecurities>
    <us-gaap:OtherAssetsDisclosureTextBlock contextRef="From2018-01-01to2018-12-31">&lt;p style="margin: 0pt"&gt;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"&gt;4.&amp;#160;&lt;u&gt;Other Assets:&lt;/u&gt;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0 0.55in 0 0"&gt;The following items comprised other assets:&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0 0.55in 0 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;table cellspacing="0" cellpadding="0" style="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse"&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 0.55in; padding-left: 5.4pt"&gt;(in thousands)&lt;/td&gt;&#13;    &lt;td colspan="2" style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;December 31,&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; width: 74%; padding-right: 0.55in; padding-left: 5.4pt"&gt;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; width: 13%; border-bottom: Black 1pt solid; padding-right: 8.1pt; padding-left: 5.4pt; text-align: center"&gt;2018&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; width: 13%; border-bottom: Black 1pt solid; padding-right: 8.1pt; padding-left: 5.4pt; text-align: center"&gt;2017&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 0.55in; padding-left: 5.4pt"&gt;Furniture and fixtures, net of accumulated depreciation&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: -0.9pt; padding-left: 5.4pt; text-align: right"&gt;&amp;#160;&amp;#160;$&amp;#160;&amp;#160;&amp;#160;36&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 0.05in; padding-left: 5.4pt; text-align: right"&gt;&amp;#160;&amp;#160;$&amp;#160;&amp;#160;&amp;#160;31&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 0.55in; padding-left: 5.4pt"&gt;Lik project equipment, net of accumulated depreciation&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: -0.9pt; padding-left: 5.4pt; text-align: right"&gt;70&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 0.05in; padding-left: 5.4pt; text-align: right"&gt;&amp;#160;90&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 0.55in; padding-left: 5.4pt"&gt;Exploration bonds and other assets&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: -0.9pt; padding-left: 5.4pt; text-align: right"&gt;&amp;#160;&amp;#160;4&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 0.05in; padding-left: 5.4pt; text-align: right"&gt;&amp;#160;&amp;#160;4&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 0.55in; padding-left: 5.4pt"&gt;Total other assets&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; border-top: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: -0.9pt; padding-left: 5.4pt; text-align: right"&gt;$110&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; border-top: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 0.05in; padding-left: 5.4pt; text-align: right"&gt;$125&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;/table&gt;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;During 2017, Solitario acquired $100,000 of&#13;exploration-related equipment at the Lik project as part of the Acquisition. The equipment is being depreciated over a five-year&#13;life on a straight-line basis and Solitario recorded depreciation expense of $20,000 and $10,000, respectively, during 2018 and&#13;2017 related to this equipment.&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;During 2017, Solitario exercised 7,240,000 of&#13;its Vendetta Warrants and received 7,240,000 Vendetta common shares, by paying $578,000 in cash to Vendetta. As a result, as of&#13;December 31, 2017, Solitario no longer owns any Vendetta Warrants. Upon the exercise of the Vendetta Warrants, Solitario transferred&#13;the fair value of the Vendetta Warrants on the date of exercise of $950,000 along with the cash paid to exercise the Vendetta Warrants&#13;of $578,000 to marketable equity securities as the cost of the 7,240,000 common shares of Vendetta acquired. During the year ended&#13;December 31, 2017, Solitario recorded a gain on derivative instruments of $216,000 related to the Vendetta Warrants, with no similar&#13;item during 2018; see Note 7, &amp;#8220;Derivative Instruments,&amp;#8221; below.&lt;/p&gt;&#13;&#13;&#13;&#13;&lt;p style="margin: 0pt"&gt;&lt;/p&gt;</us-gaap:OtherAssetsDisclosureTextBlock>
    <us-gaap:ScheduleOfOtherAssetsTableTextBlock contextRef="From2018-01-01to2018-12-31">&lt;table cellspacing="0" cellpadding="0" style="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse"&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 0.55in; padding-left: 5.4pt"&gt;(in thousands)&lt;/td&gt;&#13;    &lt;td colspan="2" style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;December 31,&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; width: 74%; padding-right: 0.55in; padding-left: 5.4pt"&gt;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; width: 13%; border-bottom: Black 1pt solid; padding-right: 8.1pt; padding-left: 5.4pt; text-align: center"&gt;2018&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; width: 13%; border-bottom: Black 1pt solid; padding-right: 8.1pt; padding-left: 5.4pt; text-align: center"&gt;2017&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 0.55in; padding-left: 5.4pt"&gt;Furniture and fixtures, net of accumulated depreciation&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: -0.9pt; padding-left: 5.4pt; text-align: right"&gt;&amp;#160;&amp;#160;$&amp;#160;&amp;#160;&amp;#160;36&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 0.05in; padding-left: 5.4pt; text-align: right"&gt;&amp;#160;&amp;#160;$&amp;#160;&amp;#160;&amp;#160;31&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 0.55in; padding-left: 5.4pt"&gt;Lik project equipment, net of accumulated depreciation&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: -0.9pt; padding-left: 5.4pt; text-align: right"&gt;70&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 0.05in; padding-left: 5.4pt; text-align: right"&gt;&amp;#160;90&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 0.55in; padding-left: 5.4pt"&gt;Exploration bonds and other assets&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: -0.9pt; padding-left: 5.4pt; text-align: right"&gt;&amp;#160;&amp;#160;4&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 0.05in; padding-left: 5.4pt; text-align: right"&gt;&amp;#160;&amp;#160;4&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 0.55in; padding-left: 5.4pt"&gt;Total other assets&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; border-top: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: -0.9pt; padding-left: 5.4pt; text-align: right"&gt;$110&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; border-top: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 0.05in; padding-left: 5.4pt; text-align: right"&gt;$125&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;/table&gt;</us-gaap:ScheduleOfOtherAssetsTableTextBlock>
    <us-gaap:PropertyPlantAndEquipmentNet contextRef="AsOf2018-12-31" unitRef="USD" decimals="-3">36000</us-gaap:PropertyPlantAndEquipmentNet>
    <us-gaap:PropertyPlantAndEquipmentNet contextRef="AsOf2017-12-31" unitRef="USD" decimals="-3">31000</us-gaap:PropertyPlantAndEquipmentNet>
    <us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedEquipment contextRef="AsOf2018-12-31" unitRef="USD" decimals="-3">70000</us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedEquipment>
    <us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedEquipment contextRef="AsOf2017-12-31" unitRef="USD" decimals="-3">90000</us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedEquipment>
    <XPL:OtherAssetsVendettaWarrants contextRef="AsOf2018-12-31" unitRef="USD" decimals="-3">4000</XPL:OtherAssetsVendettaWarrants>
    <XPL:OtherAssetsVendettaWarrants contextRef="AsOf2017-12-31" unitRef="USD" decimals="-3">4000</XPL:OtherAssetsVendettaWarrants>
    <us-gaap:OtherAssets contextRef="AsOf2018-12-31" unitRef="USD" decimals="-3">110000</us-gaap:OtherAssets>
    <us-gaap:OtherAssets contextRef="AsOf2017-12-31" unitRef="USD" decimals="-3">125000</us-gaap:OtherAssets>
    <XPL:AcquisitionExplorationRelatedEquipment contextRef="From2017-01-01to2017-12-31" unitRef="USD" decimals="-3">100000</XPL:AcquisitionExplorationRelatedEquipment>
    <us-gaap:Depreciation contextRef="From2018-01-01to2018-12-31" unitRef="USD" decimals="-3">20000</us-gaap:Depreciation>
    <us-gaap:Depreciation contextRef="From2017-01-01to2017-12-31" unitRef="USD" decimals="-3">10000</us-gaap:Depreciation>
    <XPL:GainOnWarrants contextRef="From2018-01-01to2018-12-31" unitRef="USD" xsi:nil="true" />
    <XPL:GainOnWarrants contextRef="From2017-01-01to2017-12-31" unitRef="USD" decimals="-3">216000</XPL:GainOnWarrants>
    <XPL:RevenueRecognitionSaleOfMineralPropertyTextBlock contextRef="From2018-01-01to2018-12-31">&lt;p style="margin: 0pt"&gt;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;5. &lt;u&gt;Revenue mineral property sale&lt;/u&gt;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;On April 26, 2018, Solitario sold its royalty&#13;interest in the non-producing Yanacocha property (the &amp;#8220;Yanacocha Royalty&amp;#8221;) to a wholly owned subsidiary of Newmont&#13;Mining Corporation (&amp;#8220;Newmont&amp;#8221;) for approximately $502,000 in cash. The Yanacocha Royalty covered 43 concessions totaling&#13;36,052 hectares. Newmont owns the underlying mineral concessions covered by the Yanacocha Royalty. None of the concessions covered&#13;by the Yanacocha Royalty had any reported reserves or resources. Solitario had no mineral property capitalized cost in the Yanacocha&#13;Royalty and recorded Mineral Property Revenue of $502,000 during 2018.&lt;/p&gt;&#13;&#13;&#13;&#13;&lt;p style="margin: 0pt"&gt;&lt;/p&gt;</XPL:RevenueRecognitionSaleOfMineralPropertyTextBlock>
    <XPL:ProceedsSaleOfMineralRoyaltyProperty contextRef="AsOf2018-04-26" unitRef="USD" decimals="-3">502000</XPL:ProceedsSaleOfMineralRoyaltyProperty>
    <us-gaap:IncomeTaxDisclosureTextBlock contextRef="From2018-01-01to2018-12-31">&lt;p style="margin: 0pt"&gt;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;6. &lt;u&gt;Income Taxes&lt;/u&gt;:&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in"&gt;Consolidated loss before&#13;income taxes includes losses from foreign operations of $260,000 and $322,000 in 2018 and 2017, respectively.&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;The net deferred tax assets/liabilities in the&#13;December 31, 2018 and 2017 consolidated balance sheets include the following components:&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse"&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; width: 72%; padding-right: 5.4pt; padding-left: 5.4pt"&gt;(in thousands)&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; width: 14%; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;2018&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; width: 14%; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;2017&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr style="vertical-align: top"&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt"&gt;Deferred tax assets:&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;&amp;#160;&amp;#160;Loss carryovers&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$12,432&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;$12,178&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;&amp;#160;&amp;#160;Investment in Mineral Property&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;1,669&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;1,952&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;&amp;#160;&amp;#160;Capitalized Exploration Costs&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;877&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;1,205&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;&amp;#160;&amp;#160;Stock option compensation expense&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;&amp;#160;&amp;#160;150&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;13&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;&amp;#160;&amp;#160;Royalty&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; font: 11pt/115% Calibri, Helvetica, Sans-Serif; padding-right: 5.4pt; padding-bottom: 10pt; padding-left: 0.5in; text-align: center"&gt;-&amp;#160;&amp;#160;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;989&amp;#160;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;&amp;#160;&amp;#160;Unrealized loss on derivative securities&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;60&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;28&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;&amp;#160;&amp;#160;Other&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;135&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;135&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;&amp;#160;&amp;#160;Valuation allowance&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;(15,099)&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;(16,249)&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;Total deferred tax assets&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;224&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;251&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;&#13;        &lt;p style="font: 10pt/115% Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;        &lt;p style="font: 10pt/115% Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;        &lt;p style="font: 10pt/115% Times New Roman, Times, Serif; margin: 0"&gt;Deferred tax liabilities:&lt;/p&gt;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;&amp;#160;&amp;#160;Unrealized gain on derivative securities&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;-&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;-&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;&amp;#160;&amp;#160;Unrealized gains on marketable equity securities&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;209&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;230&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;&amp;#160;&amp;#160;Other&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;15&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;21&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;Total deferred tax liabilities&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;224&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;251&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;Net deferred tax liabilities&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$&amp;#160;&amp;#160;&amp;#160;&amp;#160;-&amp;#160;&amp;#160;&amp;#160;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$&amp;#160;&amp;#160;&amp;#160;&amp;#160;-&amp;#160;&amp;#160;&amp;#160;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;/table&gt;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;A reconciliation of expected federal income&#13;taxes on income (loss) from continuing operations at statutory rates, with the expense for income taxes is as follows:&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse"&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; width: 72%; padding-right: 5.75pt; padding-left: 5.75pt"&gt;(in thousands)&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; width: 14%; border-bottom: Black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; text-align: center"&gt;2018&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; width: 14%; border-bottom: Black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; text-align: center"&gt;2017&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.75pt; padding-left: 5.75pt"&gt;Expected income tax benefit&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.75pt; padding-left: 5.75pt; text-align: right"&gt;$(756)&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.75pt; padding-left: 5.75pt; text-align: right"&gt;$(355)&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.75pt; padding-left: 5.75pt"&gt;Equity based compensation&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.75pt; padding-left: 5.75pt; text-align: right"&gt;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;-&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.75pt; padding-left: 5.75pt; text-align: right"&gt;-&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.75pt; padding-left: 5.75pt"&gt;Foreign tax rate differences&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.75pt; padding-left: 5.75pt; text-align: right"&gt;&amp;#160;(27)&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.75pt; padding-left: 5.75pt; text-align: right"&gt;17&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.75pt; padding-left: 5.75pt"&gt;State income tax&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.75pt; padding-left: 5.75pt; text-align: right"&gt;(143)&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.75pt; padding-left: 5.75pt; text-align: right"&gt;(27)&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.75pt; padding-left: 5.75pt"&gt;Impact of Tax Legislation&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.75pt; padding-left: 5.75pt; text-align: right"&gt;-&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.75pt; padding-left: 5.75pt; text-align: right"&gt;4,494&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.75pt; padding-left: 5.75pt"&gt;Adjustment to Deferred Taxes&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.75pt; padding-left: 5.75pt; text-align: right"&gt;2,058&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.75pt; padding-left: 5.75pt; text-align: right"&gt;-&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.75pt; padding-left: 5.75pt"&gt;Change in Tax Rate&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.75pt; padding-left: 5.75pt; text-align: right"&gt;53&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.75pt; padding-left: 5.75pt; text-align: right"&gt;-&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.75pt; padding-left: 5.75pt"&gt;Change in valuation allowance&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.75pt; padding-left: 5.75pt; text-align: right"&gt;(1,164)&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.75pt; padding-left: 5.75pt; text-align: right"&gt;(4,120)&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.75pt; padding-left: 5.75pt"&gt;Permanent differences and other&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; text-align: right"&gt;(21)&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; text-align: right"&gt;(9)&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.75pt; padding-left: 5.75pt"&gt;Income tax (benefit) expense&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; text-align: right"&gt;&amp;#160;$&amp;#160;&amp;#160;&amp;#160;-&amp;#160;&amp;#160;&amp;#160;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; text-align: right"&gt;&amp;#160;$&amp;#160;&amp;#160;&amp;#160;&amp;#160;-&amp;#160;&amp;#160;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;/table&gt;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;On December 22, 2017, the Tax Cuts and Jobs&#13;Act of 2017 (the &amp;#8220;Tax Act&amp;#8221;) was signed into law making significant changes to the Internal Revenue Code. Changes include,&#13;but are not limited to, a federal corporate tax rate decrease from 35% to 21% for tax years beginning after December 31, 2017,&#13;the transition of U.S international taxation from a worldwide tax system to a territorial system, and a one-time transition tax&#13;on the mandatory deemed repatriation of foreign earnings. In accordance with ASC 740, Income Taxes, the impact of a change in tax&#13;law is recorded in the period of enactment. Consequently, Solitario recorded a decrease to its net deferred tax assets of $4,494,000&#13;with a corresponding net adjustment to the valuation allowance for the year ended December 31, 2017.&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;While the Tax Act provides for a territorial&#13;tax system, beginning in 2018, it includes two new U.S. tax base erosion provisions, the global intangible low-taxed income (&amp;#8220;GILTI&amp;#8221;)&#13;provisions and the base-erosion and anti-abuse tax (&amp;#8220;BEAT&amp;#8221;) provisions.&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;The GILTI provisions require the Company to&#13;include in its U.S. income tax return foreign subsidiary earnings in excess of an allowable return on the foreign subsidiary&amp;#8217;s&#13;tangible assets. The Company currently has no profitable foreign subsidiaries. Therefore, this provision currently has no impact&#13;on the Company.&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;The BEAT provisions in the Tax Act eliminates&#13;the deduction of certain base-erosion payments made to related foreign corporations and impose a minimum tax if greater than regular&#13;tax. The Company does not expect it will be subject to this tax and therefore has not included any tax impacts of BEAT in its consolidated&#13;financial statements for the years ended December 31, 2018 and 2017.&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 27pt"&gt;As a result of the acquisition of Zazu during&#13;the year ended December 31, 2017, Solitario acquired deferred tax assets totaling $10,366,000 primarily related to US federal and&#13;state net operating losses, mineral properties and exploration costs, and Canadian net operating losses. These deferred tax assets&#13;were fully offset by a valuation allowance. Solitario does not believe it is more likely than not that the assets will be utilized&#13;in the future. As a result of the ownership change of Zazu Metals (Alaska) Corp, utilization of its United States Federal and State&#13;of Alaska net operating losses will be limited due to the annual limitation provided by Section 382 of the Internal Revenue Code.&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 27pt"&gt;During 2018, the valuation allowance decreased&#13;primarily due to the adjustments to deferred taxes that were part of the Zazu acquisition and the disposition of royalties that&#13;were part of the Yanacocha sale. During 2017, the valuation allowance was increased primarily due to the acquisition of Zazu and&#13;the impact of the Tax Act.&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 27pt"&gt;At December 31, 2018, Solitario has unused US&#13;NOL carryovers of $15,404,000 and unused US State NOL carryovers of $15,980,000 which begin expiring in 2027. Solitario has unused&#13;Capital Loss carryovers of $11,132,000 for US Federal and US State purposes which begin expiring in 2019. Solitario has Canadian&#13;loss carryforwards of $9,205,000 which begin expiring in 2027. Other foreign loss carryforwards for which Solitario has provided&#13;a full valuation allowance related to Solitario&amp;#8217;s exploration activities in Peru. The Peru losses do not expire.&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 27pt"&gt;Solitario adopted ASC 740, which prescribes a&#13;recognition threshold and measurement attribute for the financial statement recognition and measurement of a tax position taken&#13;or expected to be taken in a tax return. ASC 740 requires that Solitario recognize in its consolidated financial statements, only&#13;those tax positions that are &amp;#8220;more-likely-than-not&amp;#8221; of being sustained as of the adoption date, based on the technical&#13;merits of the position. As a result of the implementation of ASC 740, Solitario performed a comprehensive review of its material&#13;tax positions in accordance with recognition and measurement standards established by ASC 740. The provisions of ASC 740 had no&#13;effect on Solitario&amp;#8217;s financial position, cash flows or results of operations at December 31, 2018 or December 31, 2017,&#13;or for the years then ended as Solitario had no unrecognized tax benefits.&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;Solitario and its subsidiaries are subject to&#13;the following material taxing jurisdictions: United States Federal, State of Colorado, State of Alaska, Canada and Peru. Solitario&amp;#8217;s&#13;United States federal, Canada and State of Alaska returns for years 2016 and forward and Solitario&amp;#8217;s Peru and State of Colorado&#13;returns for tax years 2014 and forward are subject to examination. Solitario&amp;#8217;s policy is to recognize interest and penalties&#13;related to uncertain tax benefits in income tax expense. Solitario has no accrued interest or penalties related to uncertain tax&#13;positions as of December 31, 2018, or December 31, 2017 or for the years then ended.&lt;/p&gt;&#13;&#13;&#13;&#13;&lt;p style="margin: 0pt"&gt;&lt;/p&gt;</us-gaap:IncomeTaxDisclosureTextBlock>
    <us-gaap:ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock contextRef="From2018-01-01to2018-12-31">&lt;table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse"&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; width: 72%; padding-right: 5.4pt; padding-left: 5.4pt"&gt;(in thousands)&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; width: 14%; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;2018&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; width: 14%; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;2017&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr style="vertical-align: top"&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt"&gt;Deferred tax assets:&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;&amp;#160;&amp;#160;Loss carryovers&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$12,432&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;$12,178&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;&amp;#160;&amp;#160;Investment in Mineral Property&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;1,669&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;1,952&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;&amp;#160;&amp;#160;Capitalized Exploration Costs&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;877&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;1,205&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;&amp;#160;&amp;#160;Stock option compensation expense&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;&amp;#160;&amp;#160;150&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;13&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;&amp;#160;&amp;#160;Royalty&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; font: 11pt/115% Calibri, Helvetica, Sans-Serif; padding-right: 5.4pt; padding-bottom: 10pt; padding-left: 0.5in; text-align: center"&gt;-&amp;#160;&amp;#160;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;989&amp;#160;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;&amp;#160;&amp;#160;Unrealized loss on derivative securities&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;60&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;28&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;&amp;#160;&amp;#160;Other&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;135&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;135&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;&amp;#160;&amp;#160;Valuation allowance&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;(15,099)&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;(16,249)&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;Total deferred tax assets&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;224&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;251&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;&#13;        &lt;p style="font: 10pt/115% Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;        &lt;p style="font: 10pt/115% Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;        &lt;p style="font: 10pt/115% Times New Roman, Times, Serif; margin: 0"&gt;Deferred tax liabilities:&lt;/p&gt;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;&amp;#160;&amp;#160;Unrealized gain on derivative securities&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;-&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;-&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;&amp;#160;&amp;#160;Unrealized gains on marketable equity securities&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;209&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;230&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;&amp;#160;&amp;#160;Other&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;15&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;21&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;Total deferred tax liabilities&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;224&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;251&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;Net deferred tax liabilities&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$&amp;#160;&amp;#160;&amp;#160;&amp;#160;-&amp;#160;&amp;#160;&amp;#160;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$&amp;#160;&amp;#160;&amp;#160;&amp;#160;-&amp;#160;&amp;#160;&amp;#160;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;/table&gt;</us-gaap:ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock>
    <us-gaap:ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock contextRef="From2018-01-01to2018-12-31">&lt;table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse"&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; width: 72%; padding-right: 5.75pt; padding-left: 5.75pt"&gt;(in thousands)&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; width: 14%; border-bottom: Black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; text-align: center"&gt;2018&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; width: 14%; border-bottom: Black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; text-align: center"&gt;2017&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.75pt; padding-left: 5.75pt"&gt;Expected income tax benefit&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.75pt; padding-left: 5.75pt; text-align: right"&gt;$(756)&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.75pt; padding-left: 5.75pt; text-align: right"&gt;$(355)&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.75pt; padding-left: 5.75pt"&gt;Equity based compensation&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.75pt; padding-left: 5.75pt; text-align: right"&gt;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;-&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.75pt; padding-left: 5.75pt; text-align: right"&gt;-&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.75pt; padding-left: 5.75pt"&gt;Foreign tax rate differences&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.75pt; padding-left: 5.75pt; text-align: right"&gt;&amp;#160;(27)&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.75pt; padding-left: 5.75pt; text-align: right"&gt;17&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.75pt; padding-left: 5.75pt"&gt;State income tax&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.75pt; padding-left: 5.75pt; text-align: right"&gt;(143)&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.75pt; padding-left: 5.75pt; text-align: right"&gt;(27)&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.75pt; padding-left: 5.75pt"&gt;Impact of Tax Legislation&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.75pt; padding-left: 5.75pt; text-align: right"&gt;-&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.75pt; padding-left: 5.75pt; text-align: right"&gt;4,494&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.75pt; padding-left: 5.75pt"&gt;Adjustment to Deferred Taxes&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.75pt; padding-left: 5.75pt; text-align: right"&gt;2,058&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.75pt; padding-left: 5.75pt; text-align: right"&gt;-&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.75pt; padding-left: 5.75pt"&gt;Change in Tax Rate&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.75pt; padding-left: 5.75pt; text-align: right"&gt;53&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.75pt; padding-left: 5.75pt; text-align: right"&gt;-&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.75pt; padding-left: 5.75pt"&gt;Change in valuation allowance&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.75pt; padding-left: 5.75pt; text-align: right"&gt;(1,164)&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.75pt; padding-left: 5.75pt; text-align: right"&gt;(4,120)&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.75pt; padding-left: 5.75pt"&gt;Permanent differences and other&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; text-align: right"&gt;(21)&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; text-align: right"&gt;(9)&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.75pt; padding-left: 5.75pt"&gt;Income tax (benefit) expense&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; text-align: right"&gt;&amp;#160;$&amp;#160;&amp;#160;&amp;#160;-&amp;#160;&amp;#160;&amp;#160;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; text-align: right"&gt;&amp;#160;$&amp;#160;&amp;#160;&amp;#160;&amp;#160;-&amp;#160;&amp;#160;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;/table&gt;</us-gaap:ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock>
    <us-gaap:IncomeTaxReconciliationTaxContingencies contextRef="From2018-01-01to2018-12-31" unitRef="USD" decimals="-3">-756000</us-gaap:IncomeTaxReconciliationTaxContingencies>
    <us-gaap:IncomeTaxReconciliationTaxContingencies contextRef="From2017-01-01to2017-12-31" unitRef="USD" decimals="-3">-355000</us-gaap:IncomeTaxReconciliationTaxContingencies>
    <us-gaap:IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost contextRef="From2018-01-01to2018-12-31" unitRef="USD" xsi:nil="true" />
    <us-gaap:IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost contextRef="From2017-01-01to2017-12-31" unitRef="USD" xsi:nil="true" />
    <us-gaap:IncomeTaxReconciliationForeignIncomeTaxRateDifferential contextRef="From2018-01-01to2018-12-31" unitRef="USD" decimals="-3">-27000</us-gaap:IncomeTaxReconciliationForeignIncomeTaxRateDifferential>
    <us-gaap:IncomeTaxReconciliationForeignIncomeTaxRateDifferential contextRef="From2017-01-01to2017-12-31" unitRef="USD" decimals="-3">17000</us-gaap:IncomeTaxReconciliationForeignIncomeTaxRateDifferential>
    <us-gaap:IncomeTaxReconciliationStateAndLocalIncomeTaxes contextRef="From2018-01-01to2018-12-31" unitRef="USD" decimals="-3">-143000</us-gaap:IncomeTaxReconciliationStateAndLocalIncomeTaxes>
    <us-gaap:IncomeTaxReconciliationStateAndLocalIncomeTaxes contextRef="From2017-01-01to2017-12-31" unitRef="USD" decimals="-3">-27000</us-gaap:IncomeTaxReconciliationStateAndLocalIncomeTaxes>
    <XPL:ImpactTaxLegislation contextRef="From2018-01-01to2018-12-31" unitRef="USD" xsi:nil="true" />
    <XPL:ImpactTaxLegislation contextRef="From2017-01-01to2017-12-31" unitRef="USD" decimals="-3">4494000</XPL:ImpactTaxLegislation>
    <us-gaap:IncomeTaxExpenseBenefitContinuingOperationsAdjustmentOfDeferredTaxAssetLiability contextRef="From2018-01-01to2018-12-31" unitRef="USD" decimals="-3">2058000</us-gaap:IncomeTaxExpenseBenefitContinuingOperationsAdjustmentOfDeferredTaxAssetLiability>
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    <us-gaap:IncomeTaxReconciliationChangeInEnactedTaxRate contextRef="From2018-01-01to2018-12-31" unitRef="USD" decimals="-3">53000</us-gaap:IncomeTaxReconciliationChangeInEnactedTaxRate>
    <us-gaap:IncomeTaxReconciliationChangeInEnactedTaxRate contextRef="From2017-01-01to2017-12-31" unitRef="USD" xsi:nil="true" />
    <us-gaap:IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance contextRef="From2018-01-01to2018-12-31" unitRef="USD" decimals="-3">-1164000</us-gaap:IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance>
    <us-gaap:IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance contextRef="From2017-01-01to2017-12-31" unitRef="USD" decimals="-3">-4120000</us-gaap:IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance>
    <us-gaap:IncomeTaxReconciliationDeductionsOther contextRef="From2018-01-01to2018-12-31" unitRef="USD" decimals="-3">-21000</us-gaap:IncomeTaxReconciliationDeductionsOther>
    <us-gaap:IncomeTaxReconciliationDeductionsOther contextRef="From2017-01-01to2017-12-31" unitRef="USD" decimals="-3">-9000</us-gaap:IncomeTaxReconciliationDeductionsOther>
    <us-gaap:IncomeTaxExpenseBenefit contextRef="From2018-01-01to2018-12-31" unitRef="USD" xsi:nil="true" />
    <us-gaap:IncomeTaxExpenseBenefit contextRef="From2017-01-01to2017-12-31" unitRef="USD" xsi:nil="true" />
    <us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic contextRef="From2018-01-01to2018-12-31" unitRef="USD" decimals="-3">260000</us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic>
    <us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic contextRef="From2017-01-01to2017-12-31" unitRef="USD" decimals="-3">322000</us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic>
    <us-gaap:DeferredOtherTaxExpenseBenefit contextRef="From2017-01-01to2017-12-31" unitRef="USD" decimals="-3">4494000</us-gaap:DeferredOtherTaxExpenseBenefit>
    <us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxAssets contextRef="AsOf2017-12-31" unitRef="USD" decimals="-3">10366000</us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxAssets>
    <us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsDomestic contextRef="AsOf2018-12-31" unitRef="USD" decimals="-3">15404000</us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsDomestic>
    <us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsDomestic contextRef="AsOf2017-12-31" unitRef="USD" decimals="-3">15980000</us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsDomestic>
    <us-gaap:DeferredTaxAssetsCapitalLossCarryforwards contextRef="AsOf2018-12-31" unitRef="USD" decimals="-3">11132000</us-gaap:DeferredTaxAssetsCapitalLossCarryforwards>
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    <us-gaap:DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock contextRef="From2018-01-01to2018-12-31">&lt;p style="margin: 0pt"&gt;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;7. &lt;u&gt;Derivative Instruments:&lt;/u&gt;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: left"&gt;&lt;i&gt;Covered call options&lt;/i&gt;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;From time to time Solitario has sold covered&#13;call options against its holdings of Kinross. The business purpose of selling covered calls is to provide additional income on&#13;a limited portion of shares of Kinross that Solitario may sell in the near term, which is generally defined as less than one year.&#13;Solitario has not designated its covered calls as hedging instruments as described in ASC 815, &amp;#8220;Derivatives and Hedging,&amp;#8221;&#13;and any changes in the fair value of its covered calls are recognized in the statement of operations in the period of the change.&#13;As of December 31, 2018, all of the covered calls had expired unexercised and there were no liabilities related to those calls&#13;entered during the year.&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&lt;i&gt;Vendetta Warrants&lt;/i&gt;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;The Vendetta Warrants were exercised during&#13;2017 and there are none remaining at December 31, 2018; see Note 4, &amp;#8220;Other Assets&amp;#8221; above.&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: left"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: left"&gt;Solitario recorded the following gain on derivative&#13;instruments:&lt;/p&gt;&#13;&#13;&lt;table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse"&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 0.55in; padding-left: 5.4pt"&gt;(in thousands)&lt;/td&gt;&#13;    &lt;td colspan="2" style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt"&gt;&#13;        &lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0 0.05in 0 0; text-align: center"&gt;Year ended&lt;/p&gt;&#13;        &lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0 0.05in 0 0; text-align: center"&gt;December 31,&lt;/p&gt;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; width: 74%; padding-right: 0.55in; padding-left: 5.4pt"&gt;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; width: 13%; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;&amp;#160;2018&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; width: 13%; border-bottom: Black 1pt solid; padding-right: -5.4pt; padding-left: 5.4pt; text-align: center"&gt;&amp;#160;2017&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 0.55in; padding-left: 5.4pt"&gt;&amp;#160;&amp;#160;Gain on Kinross calls&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 0.05in; padding-left: 5.4pt; text-align: right"&gt;&amp;#160;$&amp;#160;&amp;#160;-&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 0.05in; padding-left: 5.4pt; text-align: right"&gt;&amp;#160;$&amp;#160;&amp;#160;55&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 0.55in; padding-left: 5.4pt"&gt;&amp;#160;&amp;#160;Gain on Vendetta Warrants&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 0.05in; padding-left: 5.4pt; text-align: right"&gt;-&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 0.05in; padding-left: 5.4pt; text-align: right"&gt;216&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 0.55in; padding-left: 5.4pt"&gt;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 0.05in; padding-left: 5.4pt; text-align: right"&gt;$&amp;#160;&amp;#160;-&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 0.05in; padding-left: 5.4pt; text-align: right"&gt;$271&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;/table&gt;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&#13;&#13;&lt;p style="margin: 0pt"&gt;&lt;/p&gt;</us-gaap:DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock>
    <us-gaap:ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock contextRef="From2018-01-01to2018-12-31">&lt;table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse"&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 0.55in; padding-left: 5.4pt"&gt;(in thousands)&lt;/td&gt;&#13;    &lt;td colspan="2" style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt"&gt;&#13;        &lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0 0.05in 0 0; text-align: center"&gt;Year ended&lt;/p&gt;&#13;        &lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0 0.05in 0 0; text-align: center"&gt;December 31,&lt;/p&gt;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; width: 74%; padding-right: 0.55in; padding-left: 5.4pt"&gt;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; width: 13%; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;&amp;#160;2018&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; width: 13%; border-bottom: Black 1pt solid; padding-right: -5.4pt; padding-left: 5.4pt; text-align: center"&gt;&amp;#160;2017&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 0.55in; padding-left: 5.4pt"&gt;&amp;#160;&amp;#160;Gain on Kinross calls&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 0.05in; padding-left: 5.4pt; text-align: right"&gt;&amp;#160;$&amp;#160;&amp;#160;-&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 0.05in; padding-left: 5.4pt; text-align: right"&gt;&amp;#160;$&amp;#160;&amp;#160;55&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 0.55in; padding-left: 5.4pt"&gt;&amp;#160;&amp;#160;Gain on Vendetta Warrants&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 0.05in; padding-left: 5.4pt; text-align: right"&gt;-&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 0.05in; padding-left: 5.4pt; text-align: right"&gt;216&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 0.55in; padding-left: 5.4pt"&gt;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 0.05in; padding-left: 5.4pt; text-align: right"&gt;$&amp;#160;&amp;#160;-&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 0.05in; padding-left: 5.4pt; text-align: right"&gt;$271&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;/table&gt;</us-gaap:ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock>
    <XPL:GainOnCalls contextRef="From2018-01-01to2018-12-31" unitRef="USD" xsi:nil="true" />
    <XPL:GainOnCalls contextRef="From2017-01-01to2017-12-31" unitRef="USD" decimals="-3">55000</XPL:GainOnCalls>
    <XPL:DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet2 contextRef="From2018-01-01to2018-12-31" unitRef="USD" xsi:nil="true" />
    <XPL:DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet2 contextRef="From2017-01-01to2017-12-31" unitRef="USD" decimals="-3">271000</XPL:DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet2>
    <us-gaap:FairValueDisclosuresTextBlock contextRef="From2018-01-01to2018-12-31">&lt;p style="margin: 0pt"&gt;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;8. &lt;u&gt;Fair Value of Financial Instruments&lt;/u&gt;:&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;For certain of Solitario's financial instruments,&#13;including cash and cash equivalents, payables and short-term debt, the carrying amounts approximate fair value due to their short&#13;maturities. Solitario's marketable equity securities, including its investment in shares of Kinross common stock, Vendetta common&#13;stock and TNR Gold Corp (&amp;#8220;TNR&amp;#8221;) common stock, are carried at their estimated fair value primarily based on publicly&#13;available quoted market prices.&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;Solitario applies ASC 820 that establishes a&#13;framework for measuring fair value and requires enhanced disclosures about fair value measurements. ASC 820 clarifies that fair&#13;value is an exit price, representing the amount that would be received to sell an asset or paid to transfer a liability in an orderly&#13;transaction between market participants. ASC 820 also requires disclosure about how fair value is determined for assets and liabilities&#13;and establishes a hierarchy for which these assets and liabilities must be grouped, based on significant levels of inputs as follows:&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0 1in"&gt;&lt;b&gt;Level 1&lt;/b&gt;: Quoted prices in active markets for identical&#13;assets or liabilities;&lt;br /&gt;&#13;&lt;b&gt;Level 2&lt;/b&gt;: Quoted prices in active markets for similar assets and liabilities and inputs that are observable for the asset&#13;or liability; or&lt;br /&gt;&#13;&lt;b&gt;Level 3&lt;/b&gt;: Unobservable inputs in which there is little or no market data, which require the reporting entity to develop its&#13;own assumptions.&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;The determination of where assets and liabilities&#13;fall within this hierarchy is based upon the lowest level of input that is significant to the fair value measurement. During the&#13;years ended December 31, 2018 and 2017, there were no reclassifications in financial assets or liabilities between Level 1, 2 or&#13;3 categories.&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;The following is a listing of Solitario&amp;#8217;s&#13;financial assets and liabilities required to be measured at fair value on a recurring basis and where they are classified within&#13;the hierarchy as of December 31, 2018:&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse"&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td style="width: 47%; text-align: justify"&gt;(in thousands)&lt;/td&gt;&#13;    &lt;td style="width: 12%; border-bottom: Black 1pt solid; padding-right: 6pt; text-align: center"&gt;Level 1&lt;/td&gt;&#13;    &lt;td style="width: 14%; border-bottom: Black 1pt solid; padding-right: 8.25pt; text-align: center"&gt;Level 2&lt;/td&gt;&#13;    &lt;td style="width: 14%; border-bottom: Black 1pt solid; padding-right: 3pt; text-align: center"&gt;Level 3&lt;/td&gt;&#13;    &lt;td style="width: 13%; border-bottom: Black 1pt solid; padding-right: 5.25pt; text-align: center"&gt;Total&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td&gt;&lt;b&gt;Assets&lt;/b&gt;&lt;/td&gt;&#13;    &lt;td style="padding-right: 6pt; text-align: right"&gt;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 8.25pt; text-align: right"&gt;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 3pt; text-align: right"&gt;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.25pt; text-align: right"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td&gt;&amp;#160;&amp;#160;Short-term investments&lt;/td&gt;&#13;    &lt;td style="padding-right: 6pt; text-align: right"&gt;$10,223&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 8.25pt; text-align: right"&gt;$&amp;#160;&amp;#160;&amp;#160;-&amp;#160;&amp;#160;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 3pt; text-align: right"&gt;$&amp;#160;&amp;#160;-&amp;#160;&amp;#160;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.25pt; text-align: right"&gt;$10,223&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td&gt;&amp;#160;&amp;#160;Marketable equity securities&lt;/td&gt;&#13;    &lt;td style="padding-right: 6pt; text-align: right"&gt;$&amp;#160;&amp;#160;1,585&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 8.25pt; text-align: right"&gt;$&amp;#160;&amp;#160;&amp;#160;-&amp;#160;&amp;#160;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 3pt; text-align: right"&gt;$&amp;#160;&amp;#160;-&amp;#160;&amp;#160;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.25pt; text-align: right"&gt;$&amp;#160;&amp;#160;1,585&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;/table&gt;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;The following is a listing of Solitario&amp;#8217;s&#13;financial assets and liabilities required to be measured at fair value on a recurring basis and where they are classified within&#13;the hierarchy as of December 31, 2017:&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse"&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td style="width: 47%; text-align: justify"&gt;(in thousands)&lt;/td&gt;&#13;    &lt;td style="width: 12%; border-bottom: Black 1pt solid; padding-right: 6pt; text-align: center"&gt;Level 1&lt;/td&gt;&#13;    &lt;td style="width: 14%; border-bottom: Black 1pt solid; padding-right: 8.25pt; text-align: center"&gt;Level 2&lt;/td&gt;&#13;    &lt;td style="width: 14%; border-bottom: Black 1pt solid; padding-right: 3pt; text-align: center"&gt;Level 3&lt;/td&gt;&#13;    &lt;td style="width: 13%; border-bottom: Black 1pt solid; padding-right: 5.25pt; text-align: center"&gt;Total&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td&gt;&lt;b&gt;Assets&lt;/b&gt;&lt;/td&gt;&#13;    &lt;td style="padding-right: 6pt; text-align: right"&gt;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 8.25pt; text-align: right"&gt;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 3pt; text-align: right"&gt;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.25pt; text-align: right"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td&gt;&amp;#160;&amp;#160;Short-term investments&lt;/td&gt;&#13;    &lt;td style="padding-right: 6pt; text-align: right"&gt;$11,642&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 8.25pt; text-align: right"&gt;$&amp;#160;&amp;#160;&amp;#160;-&amp;#160;&amp;#160;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 3pt; text-align: right"&gt;$&amp;#160;&amp;#160;-&amp;#160;&amp;#160;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.25pt; text-align: right"&gt;$11,642&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td&gt;&amp;#160;&amp;#160;Marketable equity securities&lt;/td&gt;&#13;    &lt;td style="padding-right: 6pt; text-align: right"&gt;$&amp;#160;&amp;#160;2,643&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 8.25pt; text-align: right"&gt;$&amp;#160;&amp;#160;&amp;#160;-&amp;#160;&amp;#160;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 3pt; text-align: right"&gt;$&amp;#160;&amp;#160;-&amp;#160;&amp;#160;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.25pt; text-align: right"&gt;$&amp;#160;&amp;#160;2,643&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;/table&gt;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&lt;i&gt;Items measured at fair value on a recurring basis: &lt;/i&gt;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&lt;u&gt;Short-term investments:&lt;/u&gt; At December 31, 2018 and 2017, Solitario&amp;#8217;s&#13;holdings of short-term investments consist of USTS and CD&amp;#8217;s and are recorded at their fair value based upon quoted market&#13;prices.&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&lt;u&gt;Marketable equity securities&lt;/u&gt;&lt;i&gt;: &lt;/i&gt;At December 31, 2018&#13;and 2017, the fair value of Solitario&amp;#8217;s holdings in shares of Vendetta, Kinross, and TNR marketable equity securities and&#13;the Kinross calls are based upon quoted market prices.&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;During the year ended December 31, 2018, Solitario&#13;did not change any of the valuation techniques used to measure its financial assets and liabilities at fair value.&lt;/p&gt;&#13;&#13;&#13;&#13;&lt;p style="margin: 0pt"&gt;&lt;/p&gt;</us-gaap:FairValueDisclosuresTextBlock>
    <us-gaap:FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTableTextBlock contextRef="From2018-01-01to2018-12-31">&lt;table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse"&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td style="width: 47%; text-align: justify"&gt;(in thousands)&lt;/td&gt;&#13;    &lt;td style="width: 12%; border-bottom: Black 1pt solid; padding-right: 6pt; text-align: center"&gt;Level 1&lt;/td&gt;&#13;    &lt;td style="width: 14%; border-bottom: Black 1pt solid; padding-right: 8.25pt; text-align: center"&gt;Level 2&lt;/td&gt;&#13;    &lt;td style="width: 14%; border-bottom: Black 1pt solid; padding-right: 3pt; text-align: center"&gt;Level 3&lt;/td&gt;&#13;    &lt;td style="width: 13%; border-bottom: Black 1pt solid; padding-right: 5.25pt; text-align: center"&gt;Total&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td&gt;&lt;b&gt;Assets&lt;/b&gt;&lt;/td&gt;&#13;    &lt;td style="padding-right: 6pt; text-align: right"&gt;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 8.25pt; text-align: right"&gt;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 3pt; text-align: right"&gt;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.25pt; text-align: right"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td&gt;&amp;#160;&amp;#160;Short-term investments&lt;/td&gt;&#13;    &lt;td style="padding-right: 6pt; text-align: right"&gt;$10,223&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 8.25pt; text-align: right"&gt;$&amp;#160;&amp;#160;&amp;#160;-&amp;#160;&amp;#160;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 3pt; text-align: right"&gt;$&amp;#160;&amp;#160;-&amp;#160;&amp;#160;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.25pt; text-align: right"&gt;$10,223&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td&gt;&amp;#160;&amp;#160;Marketable equity securities&lt;/td&gt;&#13;    &lt;td style="padding-right: 6pt; text-align: right"&gt;$&amp;#160;&amp;#160;1,585&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 8.25pt; text-align: right"&gt;$&amp;#160;&amp;#160;&amp;#160;-&amp;#160;&amp;#160;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 3pt; text-align: right"&gt;$&amp;#160;&amp;#160;-&amp;#160;&amp;#160;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.25pt; text-align: right"&gt;$&amp;#160;&amp;#160;1,585&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;/table&gt;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;&lt;/p&gt;&#13;&#13;&lt;table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse"&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td style="width: 47%; text-align: justify"&gt;(in thousands)&lt;/td&gt;&#13;    &lt;td style="width: 12%; border-bottom: Black 1pt solid; padding-right: 6pt; text-align: center"&gt;Level 1&lt;/td&gt;&#13;    &lt;td style="width: 14%; border-bottom: Black 1pt solid; padding-right: 8.25pt; text-align: center"&gt;Level 2&lt;/td&gt;&#13;    &lt;td style="width: 14%; border-bottom: Black 1pt solid; padding-right: 3pt; text-align: center"&gt;Level 3&lt;/td&gt;&#13;    &lt;td style="width: 13%; border-bottom: Black 1pt solid; padding-right: 5.25pt; text-align: center"&gt;Total&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td&gt;&lt;b&gt;Assets&lt;/b&gt;&lt;/td&gt;&#13;    &lt;td style="padding-right: 6pt; text-align: right"&gt;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 8.25pt; text-align: right"&gt;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 3pt; text-align: right"&gt;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.25pt; text-align: right"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td&gt;&amp;#160;&amp;#160;Short-term investments&lt;/td&gt;&#13;    &lt;td style="padding-right: 6pt; text-align: right"&gt;$11,642&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 8.25pt; text-align: right"&gt;$&amp;#160;&amp;#160;&amp;#160;-&amp;#160;&amp;#160;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 3pt; text-align: right"&gt;$&amp;#160;&amp;#160;-&amp;#160;&amp;#160;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.25pt; text-align: right"&gt;$11,642&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td&gt;&amp;#160;&amp;#160;Marketable equity securities&lt;/td&gt;&#13;    &lt;td style="padding-right: 6pt; text-align: right"&gt;$&amp;#160;&amp;#160;2,643&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 8.25pt; text-align: right"&gt;$&amp;#160;&amp;#160;&amp;#160;-&amp;#160;&amp;#160;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 3pt; text-align: right"&gt;$&amp;#160;&amp;#160;-&amp;#160;&amp;#160;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.25pt; text-align: right"&gt;$&amp;#160;&amp;#160;2,643&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;/table&gt;</us-gaap:FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTableTextBlock>
    <us-gaap:InvestmentsFairValueDisclosure contextRef="AsOf2018-12-31_us-gaap_FairValueInputsLevel1Member" unitRef="USD" decimals="-3">1585000</us-gaap:InvestmentsFairValueDisclosure>
    <us-gaap:InvestmentsFairValueDisclosure contextRef="AsOf2017-12-31_us-gaap_FairValueInputsLevel1Member" unitRef="USD" decimals="-3">2643000</us-gaap:InvestmentsFairValueDisclosure>
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    <us-gaap:CashAndCashEquivalentsFairValueDisclosure contextRef="AsOf2018-12-31_us-gaap_FairValueInputsLevel1Member" unitRef="USD" decimals="-3">10223000</us-gaap:CashAndCashEquivalentsFairValueDisclosure>
    <us-gaap:CashAndCashEquivalentsFairValueDisclosure contextRef="AsOf2017-12-31_us-gaap_FairValueInputsLevel1Member" unitRef="USD" decimals="-3">11642000</us-gaap:CashAndCashEquivalentsFairValueDisclosure>
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    <us-gaap:CommitmentsAndContingenciesDisclosureTextBlock contextRef="From2018-01-01to2018-12-31">&lt;p style="margin: 0pt"&gt;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;9. &lt;u&gt;Commitments and Contingencies:&lt;/u&gt;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;In acquiring its interests in mineral claims&#13;and leases, Solitario has entered into lease agreements, which may be canceled at its option without penalty. Solitario is required&#13;to make minimum rental and option payments in order to maintain its interests in certain claims and leases. See Note 2, &amp;#8220;Mineral&#13;Properties,&amp;#8221; above. Solitario estimates its 2019 property rentals and option payments for properties Solitario owns or operate&#13;to be approximately $729,000. Assuming that Solitario&amp;#8217;s joint ventures continue in their current status and that Solitario&#13;does not appreciably change its property positions on existing properties, approximately $712,000 of these annual payments are&#13;paid or are reimbursable to us by Solitario&amp;#8217;s joint venture partners. In addition, Solitario may be required to make further&#13;payments in the future enters into new agreements.&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;Solitario has recorded an asset retirement obligation&#13;of $125,000 related to its Lik project in Alaska. See Note 2, &amp;#8220;Mineral Properties,&amp;#8221; above.&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;Solitario leases office space under a non-cancelable&#13;operating lease for the Wheat Ridge, Colorado office which provides for total minimum annual rent payments of $43,000 through March&#13;of 2021.&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;In August of 2018, Solitario agreed to fund&#13;a portion of a 2018 &amp;#8211; 2019 drilling program at the Florida Canyon project. Per the agreement, Solitario will fund up to $1,580,000&#13;of a planned 41-hole 17,000-meter drilling program to be conducted through December 31, 2019 (the &amp;#8220;Drilling Program&amp;#8221;).&#13;Upon Nexa completing the first 1,700 meters of the Drilling Program, Solitario will pay Nexa $527,000, upon completion of the next&#13;1,700 meters (3,400 meters total) of the Drilling Program, Solitario will pay Nexa $527,000, and upon completion of the next 1,700&#13;meters (5,100 meters total) of the Drilling Program, Solitario will pay Nexa the balance remaining on its $1,580,000 funding commitment,&#13;or $526,000. Solitario has no obligation to pay Nexa prior to the attainment of the separate 1,700-meter thresholds. The funding&#13;commitments are in the form of an advance on Solitario&amp;#8217;s commitment to fund 30% of any future development of Florida Canyon&#13;under the existing joint venture agreement with Nexa. Accordingly, in the event Florida Canyon is developed, which cannot be assured&#13;at this time, any funds paid to Nexa under this agreement, will reduce the amount of Solitario&amp;#8217;s obligation to fund 30% of&#13;future development costs, and / or repay loans from Nexa for future development costs at the Florida Canyon project. As of December&#13;31, 2018, Nexa had completed four holes and a total of 2,203 meters under the Drilling Program, and Solitario has recorded an account&#13;payable to Nexa of $527,000 and recorded a charge to exploration expense of $527,000, should Nexa complete the remaining 2,897&#13;meters (5,100 meters less the completed 2,203 meters) during 2019, Solitario will be obligated to pay Nexa $1,053,000 in addition&#13;to its currently recorded account payable of $527,000 during 2019.&lt;/p&gt;&#13;&#13;&#13;&#13;&lt;p style="margin: 0pt"&gt;&lt;/p&gt;</us-gaap:CommitmentsAndContingenciesDisclosureTextBlock>
    <us-gaap:OperatingLeasesRentExpenseNet contextRef="From2018-01-01to2018-12-31" unitRef="USD" decimals="-3">43000</us-gaap:OperatingLeasesRentExpenseNet>
    <us-gaap:LongTermPurchaseCommitmentAmount contextRef="From2018-01-01to2018-12-31" unitRef="USD" decimals="-3">729000</us-gaap:LongTermPurchaseCommitmentAmount>
    <XPL:CostOfReimbursableExpenses contextRef="From2018-01-01to2018-12-31" unitRef="USD" decimals="-3">712000</XPL:CostOfReimbursableExpenses>
    <us-gaap:InventoryDrillingNoncurrent contextRef="AsOf2018-12-31" unitRef="USD" decimals="-3">1580000</us-gaap:InventoryDrillingNoncurrent>
    <us-gaap:AccountsPayableCurrentAndNoncurrent contextRef="AsOf2018-12-31" unitRef="USD" decimals="-3">527000</us-gaap:AccountsPayableCurrentAndNoncurrent>
    <XPL:ExplorationExpenseDrilling contextRef="AsOf2018-12-31" unitRef="USD" decimals="-3">527000</XPL:ExplorationExpenseDrilling>
    <XPL:AdditionalPaymentDueUponCompletionOfDrilling contextRef="AsOf2018-12-31" unitRef="USD" decimals="-3">1053000</XPL:AdditionalPaymentDueUponCompletionOfDrilling>
    <us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock contextRef="From2018-01-01to2018-12-31">&lt;p style="margin: 0pt"&gt;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;10. &lt;u&gt;Employee Stock Compensation Plans:&lt;/u&gt;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;On June 18, 2013, Solitario&amp;#8217;s shareholders&#13;approved the Solitario Resources Corporation Omnibus Stock Incentive Plan (the &amp;#8220;2013 Plan&amp;#8221;). Under the terms of the&#13;2013 Plan, as amended, a total of 5,750,000 shares of Solitario common stock are reserved for awards to directors, officers, employees&#13;and consultants. Awards granted under the 2013 Plan may take the form of stock options, stock appreciation rights, restricted stock,&#13;and restricted stock units. The terms and conditions of the awards are pursuant to the 2013 Plan and are granted by the Board of&#13;Directors or a committee appointed by the Board of Directors.&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.25in"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0 0.5in"&gt;a.)&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;2013 Plan stock option&#13;grants&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;The following table shows the grant date fair&#13;value of Solitario&amp;#8217;s awards during 2018 pursuant to the 2013 Plan:&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse"&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: bottom; width: 50%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: justify"&gt;Grant Date&lt;/td&gt;&#13;    &lt;td style="vertical-align: top; width: 27%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;1/02/18 &lt;font style="font-size: 8pt"&gt;(1)&lt;/font&gt;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; width: 23%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;11/01/18 &lt;font style="font-size: 8pt"&gt;(2)&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td style="border-top: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt"&gt;Option &amp;#8211; grant date price&lt;/td&gt;&#13;    &lt;td style="border-top: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$0.62&lt;/td&gt;&#13;    &lt;td style="border-top: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$0.31&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt"&gt;Options granted &lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;100,000&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;1,623,000&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt"&gt;Expected life years&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;0.80&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;5.00&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt"&gt;Expected volatility &lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;66%&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;64%&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt"&gt;Risk free interest rate&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;1.0%&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;3.0%&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt"&gt;Weighted average fair value &lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$0.12&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$0.17&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt"&gt;Grant date fair value&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$12,000&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$282,000&lt;/td&gt;&lt;/tr&gt;&#13;&lt;/table&gt;&#13;&lt;table cellpadding="0" cellspacing="0" style="width: 100%; font: 11pt/115% Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 10pt"&gt;&lt;tr style="vertical-align: top"&gt;&#13;&lt;td style="width: 0.5in"&gt;&lt;/td&gt;&lt;td style="width: 0.25in"&gt;&lt;font style="font-size: 8pt"&gt;(1)&lt;/font&gt;&lt;/td&gt;&lt;td&gt;&lt;font style="font-size: 8pt"&gt;Option granted to a consultant had an expected life of 0.8 years on grant date and was fully vested&#13;during 2018. Option remains vested for a maximum of five years from date of grant or termination of the consulting contract. &lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&#13;&#13;&lt;table cellpadding="0" cellspacing="0" style="width: 100%; font: 11pt/115% Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 10pt"&gt;&lt;tr style="vertical-align: top"&gt;&#13;&lt;td style="width: 0.5in"&gt;&lt;/td&gt;&lt;td style="width: 0.25in"&gt;&lt;font style="font-size: 8pt"&gt;(2)&lt;/font&gt;&lt;/td&gt;&lt;td&gt;&lt;font style="font-size: 8pt"&gt;Option grants have a five-year term, and vest 25% on date of grant and 25% on each of the next&#13;three anniversary dates. &lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;The following table shows the grant date fair&#13;value of Solitario&amp;#8217;s awards during 2017 pursuant to the 2013 Plan:&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse"&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: bottom; width: 29%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: justify"&gt;Grant Date&lt;/td&gt;&#13;    &lt;td style="vertical-align: top; width: 13%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;7/12/17 &lt;font style="font-size: 8pt"&gt;(1)&lt;/font&gt;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; width: 11%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;7/12/17 &lt;font style="font-size: 8pt"&gt;(1)&lt;/font&gt;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; width: 12%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;7/12/17 &lt;font style="font-size: 8pt"&gt;(1)&lt;/font&gt;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; width: 11%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;7/12/17 &lt;font style="font-size: 8pt"&gt;(1)&lt;/font&gt;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; width: 12%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;9/01/17 &lt;font style="font-size: 8pt"&gt;(2)&lt;/font&gt;&lt;/td&gt;&#13;    &lt;td style="vertical-align: top; width: 12%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;9/01/17 &lt;font style="font-size: 8pt"&gt;(3)&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td style="border-top: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt"&gt;Option &amp;#8211; grant date price&lt;/td&gt;&#13;    &lt;td style="border-top: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$1.74&lt;/td&gt;&#13;    &lt;td style="border-top: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$1.52&lt;/td&gt;&#13;    &lt;td style="border-top: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$1.30&lt;/td&gt;&#13;    &lt;td style="border-top: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$0.54&lt;/td&gt;&#13;    &lt;td style="border-top: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$0.77&lt;/td&gt;&#13;    &lt;td style="border-top: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$0.77&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt"&gt;Options granted &lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;357,200&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;425,068&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;785,840&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;214,320&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;200,000&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;2,300,000&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt"&gt;Expected life years&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;0.84&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;1.35&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;1.50&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;1.50&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;5.0&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;5.0&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt"&gt;Expected volatility &lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;67%&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;67%&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;67%&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;67%&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;64%&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;64%&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt"&gt;Risk free interest rate&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;1.0%&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;1.0%&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;1.0%&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;1.0%&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;1.7%&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;1.7%&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt"&gt;Weighted average fair value &lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$0.02&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$0.08&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$0.12&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$0.36&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$0.42&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$0.42&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt"&gt;Grant date fair value&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$7,000&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$26,000&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$72,000&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$59,000&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$126,000&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$970,000&lt;/td&gt;&lt;/tr&gt;&#13;&lt;/table&gt;&#13;&lt;table cellpadding="0" cellspacing="0" style="width: 100%; font: 11pt/115% Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 10pt"&gt;&lt;tr style="vertical-align: top"&gt;&#13;&lt;td style="width: 0.5in"&gt;&lt;/td&gt;&lt;td style="width: 0.25in"&gt;&lt;font style="font-size: 8pt"&gt;(1)&lt;/font&gt;&lt;/td&gt;&lt;td&gt;&lt;font style="font-size: 8pt"&gt;Replacement Options had terms of May 15, 2018, November 15, 2018, January 12, 2019 and January&#13;12, 2019. The Replacement Options were fully vested on the date of grant. Replacement Options were priced in Canadian Dollars,&#13;the grant day prices reflect the US Dollar price exchange rate of .07749 Cdn$/US$ on the date of grant. &lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&#13;&#13;&lt;table cellpadding="0" cellspacing="0" style="width: 100%; font: 11pt/115% Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 10pt"&gt;&lt;tr style="vertical-align: top"&gt;&#13;&lt;td style="width: 0.5in"&gt;&lt;/td&gt;&lt;td style="width: 0.25in"&gt;&lt;font style="font-size: 8pt"&gt;(2)&lt;/font&gt;&lt;/td&gt;&lt;td&gt;&lt;font style="font-size: 8pt"&gt;Options grants have a five-year term, and vest 25% on date of grant and 25% on each of the next&#13;three anniversary dates.&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&#13;&#13;&lt;table cellpadding="0" cellspacing="0" style="width: 100%; font: 11pt/115% Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 10pt"&gt;&lt;tr style="vertical-align: top"&gt;&#13;&lt;td style="width: 0.5in"&gt;&lt;/td&gt;&lt;td style="width: 0.25in"&gt;&lt;font style="font-size: 8pt"&gt;(3)&lt;/font&gt;&lt;/td&gt;&lt;td&gt;&lt;font style="font-size: 8pt"&gt;Conditional Options, (defined below) approved by Solitario shareholders on June 19, 2018.&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0 0.5in"&gt;b.)&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;Stock option activity&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0 0.5in; text-indent: -0.5in"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;During 2018 and 2017 no options granted from&#13;the 2013 Plan were exercised. The following table summarizes the activity for stock options outstanding under the 2013 Plan for&#13;the years ended December 31, 2018 and 2017:&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse"&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;&amp;#160;&lt;/td&gt;&#13;    &lt;td colspan="3" style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;2018&lt;/td&gt;&#13;    &lt;td colspan="3" style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;2017&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; width: 31%; padding-right: 5.4pt; padding-left: 5.4pt"&gt;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; width: 13%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; width: 11%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;Weighted&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; width: 10%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; width: 12%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; width: 9%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;Weighted&lt;/td&gt;&#13;    &lt;td style="vertical-align: top; width: 14%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;Average&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;Aggregate&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;Average&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;Aggregate&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;RSUs/&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;Exercise&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;Intrinsic&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;RSUs/&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;Exercise&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;Intrinsic&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;Options&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;Price&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;Value &lt;font style="font-size: 8pt"&gt;(1)&lt;/font&gt;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;Options&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;Price&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;Value &lt;font style="font-size: 8pt"&gt;(2)&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt"&gt;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt"&gt;Outstanding, beginning of year&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;1,982,428&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$1.29&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;-&amp;#160;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;-&amp;#160;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt"&gt;Granted &lt;font style="font-size: 8pt"&gt;(3)&lt;/font&gt;&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;4,023,000&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$0.58&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;1,982,428&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$1.29&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt"&gt;Exercised&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;-&amp;#160;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;-&amp;#160;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;-&amp;#160;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;-&amp;#160;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt"&gt;Expired &lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;(782,268)&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$2.09&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;-&amp;#160;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;-&amp;#160;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt"&gt;Forfeited&lt;/td&gt;&#13;    &lt;td style="border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;-&amp;#160;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;-&amp;#160;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;-&amp;#160;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;-&amp;#160;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt"&gt;Outstanding, end of year&lt;/td&gt;&#13;    &lt;td style="border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;5,223,160&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$0.76&amp;#160;&lt;/td&gt;&#13;    &lt;td style="border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$&amp;#160;&amp;#160;&amp;#160;-&amp;#160;&amp;#160;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;1,982,428&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$1.29&amp;#160;&lt;/td&gt;&#13;    &lt;td style="border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$9,000&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt"&gt;Exercisable, end of year&lt;/td&gt;&#13;    &lt;td style="border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;2,770,910&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$0.95&amp;#160;&lt;/td&gt;&#13;    &lt;td style="border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$&amp;#160;&amp;#160;&amp;#160;-&amp;#160;&amp;#160;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;1,832,428&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$1.33&amp;#160;&lt;/td&gt;&#13;    &lt;td style="border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$9,000&lt;/td&gt;&lt;/tr&gt;&#13;&lt;/table&gt;&#13;&lt;p style="font: 8pt Times New Roman, Times, Serif; margin: 0 0 0 0.5in"&gt;(1) Intrinsic value based upon December 31, 2018 price&#13;of a share of Solitario common stock as quoted on the NYSE American exchange of $0.23 per share.&lt;/p&gt;&#13;&#13;&lt;p style="font: 8pt Times New Roman, Times, Serif; margin: 0 0 0 0.5in"&gt;(2) Intrinsic value based upon December 31, 2017 price&#13;of a share of Solitario common stock as quoted on the NYSE American exchange of $0.60 per share.&lt;/p&gt;&#13;&#13;&lt;p style="font: 8pt Times New Roman, Times, Serif; margin: 0 0 0 0.5in"&gt;(3) Options granted during 2018, include 2,300,000 Conditional&#13;Options, approved by Solitario shareholders on June 19, 2018.&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;During the years ended December 31, 2018 and&#13;2017, Solitario recorded $660,000 and $50,000, respectively, of stock option expense under the 2013 Plan for the amortization of&#13;the grant date fair value of each of its outstanding options with a credit to additional paid-in-capital. At December 31, 2018,&#13;the total unrecognized stock option compensation cost related to non-vested options is $639,000 and is expected to be recognized&#13;over a weighted average period of 24 months.&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"&gt;On September 1, 2017, the Board of Directors&#13;granted, subject to shareholder approval at the next meeting of shareholders, 2,300,000 stock options under the 2013 Plan to officers&#13;and members of the Board of Directors (the &amp;#8220;Conditional Options&amp;#8221;). The Conditional Options were approved by Solitario&amp;#8217;s&#13;shareholders at Solitario&amp;#8217;s annual meeting on June 19, 2018. The Conditional Options vest on the schedule of 25% on date&#13;of approval of the grant (June 19, 2018) and 25% on each of the next three anniversary dates of the date of grant (September 1,&#13;2018, 2019 and 2020).&lt;/p&gt;&#13;&#13;&#13;&#13;&lt;p style="margin: 0pt"&gt;&lt;/p&gt;</us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock>
    <XPL:SharebasedCompensationGrantDateFairValueTableTextBlock2TableTextBlock contextRef="From2018-01-01to2018-12-31">&lt;table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse"&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: bottom; width: 50%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: justify"&gt;Grant Date&lt;/td&gt;&#13;    &lt;td style="vertical-align: top; width: 27%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;1/02/18 &lt;font style="font-size: 8pt"&gt;(1)&lt;/font&gt;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; width: 23%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;11/01/18 &lt;font style="font-size: 8pt"&gt;(2)&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td style="border-top: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt"&gt;Option &amp;#8211; grant date price&lt;/td&gt;&#13;    &lt;td style="border-top: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$0.62&lt;/td&gt;&#13;    &lt;td style="border-top: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$0.31&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt"&gt;Options granted &lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;100,000&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;1,623,000&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt"&gt;Expected life years&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;0.80&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;5.00&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt"&gt;Expected volatility &lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;66%&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;64%&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt"&gt;Risk free interest rate&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;1.0%&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;3.0%&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt"&gt;Weighted average fair value &lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$0.12&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$0.17&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt"&gt;Grant date fair value&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$12,000&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$282,000&lt;/td&gt;&lt;/tr&gt;&#13;&lt;/table&gt;&#13;&#13;&lt;p style="margin-top: 0; margin-bottom: 0"&gt;&amp;#160;&lt;/p&gt;&#13;&#13;&lt;p style="margin-top: 0; margin-bottom: 0"&gt;&lt;/p&gt;&#13;&#13;&lt;table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse"&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: bottom; width: 29%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: justify"&gt;Grant Date&lt;/td&gt;&#13;    &lt;td style="vertical-align: top; width: 13%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;7/12/17 &lt;font style="font-size: 8pt"&gt;(1)&lt;/font&gt;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; width: 11%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;7/12/17 &lt;font style="font-size: 8pt"&gt;(1)&lt;/font&gt;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; width: 12%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;7/12/17 &lt;font style="font-size: 8pt"&gt;(1)&lt;/font&gt;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; width: 11%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;7/12/17 &lt;font style="font-size: 8pt"&gt;(1)&lt;/font&gt;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; width: 12%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;9/01/17 &lt;font style="font-size: 8pt"&gt;(2)&lt;/font&gt;&lt;/td&gt;&#13;    &lt;td style="vertical-align: top; width: 12%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;9/01/17 &lt;font style="font-size: 8pt"&gt;(3)&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td style="border-top: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt"&gt;Option &amp;#8211; grant date price&lt;/td&gt;&#13;    &lt;td style="border-top: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$1.74&lt;/td&gt;&#13;    &lt;td style="border-top: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$1.52&lt;/td&gt;&#13;    &lt;td style="border-top: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$1.30&lt;/td&gt;&#13;    &lt;td style="border-top: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$0.54&lt;/td&gt;&#13;    &lt;td style="border-top: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$0.77&lt;/td&gt;&#13;    &lt;td style="border-top: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$0.77&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt"&gt;Options granted &lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;357,200&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;425,068&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;785,840&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;214,320&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;200,000&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;2,300,000&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt"&gt;Expected life years&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;0.84&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;1.35&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;1.50&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;1.50&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;5.0&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;5.0&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt"&gt;Expected volatility &lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;67%&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;67%&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;67%&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;67%&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;64%&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;64%&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt"&gt;Risk free interest rate&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;1.0%&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;1.0%&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;1.0%&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;1.0%&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;1.7%&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;1.7%&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt"&gt;Weighted average fair value &lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$0.02&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$0.08&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$0.12&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$0.36&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$0.42&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$0.42&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt"&gt;Grant date fair value&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$7,000&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$26,000&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$72,000&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$59,000&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$126,000&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$970,000&lt;/td&gt;&lt;/tr&gt;&#13;&lt;/table&gt;&#13;&#13;&#13;&lt;p style="margin-top: 0; margin-bottom: 0"&gt;&lt;/p&gt;</XPL:SharebasedCompensationGrantDateFairValueTableTextBlock2TableTextBlock>
    <XPL:ScheduleOfShareBasedCompensationStockOptionsActivity2TableTextBlock contextRef="From2018-01-01to2018-12-31">&lt;table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse"&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;&amp;#160;&lt;/td&gt;&#13;    &lt;td colspan="3" style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;2018&lt;/td&gt;&#13;    &lt;td colspan="3" style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;2017&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; width: 31%; padding-right: 5.4pt; padding-left: 5.4pt"&gt;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; width: 13%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; width: 11%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;Weighted&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; width: 10%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; width: 12%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; width: 9%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;Weighted&lt;/td&gt;&#13;    &lt;td style="vertical-align: top; width: 14%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;Average&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;Aggregate&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;Average&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;Aggregate&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;RSUs/&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;Exercise&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;Intrinsic&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;RSUs/&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;Exercise&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;Intrinsic&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;Options&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;Price&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;Value &lt;font style="font-size: 8pt"&gt;(1)&lt;/font&gt;&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;Options&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;Price&lt;/td&gt;&#13;    &lt;td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center"&gt;Value &lt;font style="font-size: 8pt"&gt;(2)&lt;/font&gt;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr&gt;&#13;    &lt;td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt"&gt;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt"&gt;Outstanding, beginning of year&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;1,982,428&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$1.29&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;-&amp;#160;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;-&amp;#160;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt"&gt;Granted &lt;font style="font-size: 8pt"&gt;(3)&lt;/font&gt;&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;4,023,000&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$0.58&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;1,982,428&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$1.29&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt"&gt;Exercised&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;-&amp;#160;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;-&amp;#160;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;-&amp;#160;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;-&amp;#160;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt"&gt;Expired &lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;(782,268)&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$2.09&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;-&amp;#160;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;-&amp;#160;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt"&gt;Forfeited&lt;/td&gt;&#13;    &lt;td style="border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;-&amp;#160;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;-&amp;#160;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;-&amp;#160;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;-&amp;#160;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt"&gt;Outstanding, end of year&lt;/td&gt;&#13;    &lt;td style="border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;5,223,160&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$0.76&amp;#160;&lt;/td&gt;&#13;    &lt;td style="border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$&amp;#160;&amp;#160;&amp;#160;-&amp;#160;&amp;#160;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;1,982,428&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$1.29&amp;#160;&lt;/td&gt;&#13;    &lt;td style="border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$9,000&lt;/td&gt;&lt;/tr&gt;&#13;&lt;tr style="vertical-align: bottom"&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt"&gt;Exercisable, end of year&lt;/td&gt;&#13;    &lt;td style="border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;2,770,910&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$0.95&amp;#160;&lt;/td&gt;&#13;    &lt;td style="border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$&amp;#160;&amp;#160;&amp;#160;-&amp;#160;&amp;#160;&amp;#160;&lt;/td&gt;&#13;    &lt;td style="border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;1,832,428&amp;#160;&lt;/td&gt;&#13;    &lt;td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$1.33&amp;#160;&lt;/td&gt;&#13;    &lt;td style="border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"&gt;$9,000&lt;/td&gt;&lt;/tr&gt;&#13;&lt;/table&gt;</XPL:ScheduleOfShareBasedCompensationStockOptionsActivity2TableTextBlock>
    <XPL:GrantDatePriceUSD contextRef="AsOf2017-07-12" unitRef="USDPShares" decimals="INF">1.35</XPL:GrantDatePriceUSD>
    <XPL:GrantDatePriceUSD contextRef="AsOf2018-01-02" unitRef="USDPShares" decimals="INF">0.62</XPL:GrantDatePriceUSD>
    <XPL:GrantDatePriceUSD contextRef="AsOf2018-11-01" unitRef="USDPShares" decimals="INF">0.31</XPL:GrantDatePriceUSD>
    <XPL:GrantDatePriceUSD contextRef="AsOf2017-09-01" unitRef="USDPShares" decimals="INF">.77</XPL:GrantDatePriceUSD>
    <XPL:EmployeeStockOwnershipPlanESOPNumberOfAllocatedShares2 contextRef="AsOf2017-07-12" unitRef="Shares" decimals="INF">1782428</XPL:EmployeeStockOwnershipPlanESOPNumberOfAllocatedShares2>
    <XPL:EmployeeStockOwnershipPlanESOPNumberOfAllocatedShares2 contextRef="AsOf2018-01-02" unitRef="Shares" decimals="INF">100000</XPL:EmployeeStockOwnershipPlanESOPNumberOfAllocatedShares2>
    <XPL:EmployeeStockOwnershipPlanESOPNumberOfAllocatedShares2 contextRef="AsOf2018-11-01" unitRef="Shares" decimals="INF">1623000</XPL:EmployeeStockOwnershipPlanESOPNumberOfAllocatedShares2>
    <XPL:EmployeeStockOwnershipPlanESOPNumberOfAllocatedShares2 contextRef="AsOf2017-09-01" unitRef="Shares" decimals="INF">2500000</XPL:EmployeeStockOwnershipPlanESOPNumberOfAllocatedShares2>
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</XBRL>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.CAL
<SEQUENCE>11
<FILENAME>xpl-20181231_cal.xml
<DESCRIPTION>XBRL CALCULATION FILE
<TEXT>
<XBRL>
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      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_EntityCurrentReportingStatus" xlink:label="dei_EntityCurrentReportingStatus" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityCurrentReportingStatus" xlink:to="dei_EntityCurrentReportingStatus_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityCurrentReportingStatus_lbl" xml:lang="en-US">Is Entity's Reporting Status Current?</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_EntityEmergingGrowthCompany" xlink:label="dei_EntityEmergingGrowthCompany" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityEmergingGrowthCompany" xlink:to="dei_EntityEmergingGrowthCompany_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityEmergingGrowthCompany_lbl" xml:lang="en-US">Is Entity Emerging Growth Company?</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_EntityExTransitionPeriod" xlink:label="dei_EntityExTransitionPeriod" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityExTransitionPeriod" xlink:to="dei_EntityExTransitionPeriod_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityExTransitionPeriod_lbl" xml:lang="en-US">Elected Not To Use the Extended Transition Period</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_EntityFilerCategory" xlink:label="dei_EntityFilerCategory" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityFilerCategory" xlink:to="dei_EntityFilerCategory_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityFilerCategory_lbl" xml:lang="en-US">Entity Filer Category</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_EntitySmallBusiness" xlink:label="dei_EntitySmallBusiness" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntitySmallBusiness" xlink:to="dei_EntitySmallBusiness_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntitySmallBusiness_lbl" xml:lang="en-US">Entity Small Business</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_EntityPublicFloat" xlink:label="dei_EntityPublicFloat" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityPublicFloat" xlink:to="dei_EntityPublicFloat_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityPublicFloat_lbl" xml:lang="en-US">Entity Public Float</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_EntityCommonStockSharesOutstanding" xlink:label="dei_EntityCommonStockSharesOutstanding" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityCommonStockSharesOutstanding" xlink:to="dei_EntityCommonStockSharesOutstanding_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityCommonStockSharesOutstanding_lbl" xml:lang="en-US">Entity Common Stock, Shares Outstanding</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_DocumentFiscalPeriodFocus" xlink:label="dei_DocumentFiscalPeriodFocus" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentFiscalPeriodFocus" xlink:to="dei_DocumentFiscalPeriodFocus_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_DocumentFiscalPeriodFocus_lbl" xml:lang="en-US">Document Fiscal Period Focus</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_DocumentFiscalYearFocus" xlink:label="dei_DocumentFiscalYearFocus" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentFiscalYearFocus" xlink:to="dei_DocumentFiscalYearFocus_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_DocumentFiscalYearFocus_lbl" xml:lang="en-US">Document Fiscal Year Focus</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_EntityShellCompany" xlink:label="dei_EntityShellCompany" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityShellCompany" xlink:to="dei_EntityShellCompany_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityShellCompany_lbl" xml:lang="en-US">Entity Shell Company</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StatementOfFinancialPositionAbstract" xlink:label="us-gaap_StatementOfFinancialPositionAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementOfFinancialPositionAbstract" xlink:to="us-gaap_StatementOfFinancialPositionAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StatementOfFinancialPositionAbstract_lbl" xml:lang="en-US">Statement of Financial Position [Abstract]</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AssetsAbstract" xlink:label="us-gaap_AssetsAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetsAbstract" xlink:to="us-gaap_AssetsAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AssetsAbstract_lbl" xml:lang="en-US">Assets</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AssetsCurrentAbstract" xlink:label="us-gaap_AssetsCurrentAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetsCurrentAbstract" xlink:to="us-gaap_AssetsCurrentAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AssetsCurrentAbstract_lbl" xml:lang="en-US">Current assets:</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:to="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" xml:lang="en-US">Cash and cash equivalents</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_TimeDepositsAtCarryingValue" xlink:label="us-gaap_TimeDepositsAtCarryingValue" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TimeDepositsAtCarryingValue" xlink:to="us-gaap_TimeDepositsAtCarryingValue_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_TimeDepositsAtCarryingValue_lbl" xml:lang="en-US">Short-term investments, at fair value</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AvailableForSaleSecuritiesCurrent" xlink:label="us-gaap_AvailableForSaleSecuritiesCurrent" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AvailableForSaleSecuritiesCurrent" xlink:to="us-gaap_AvailableForSaleSecuritiesCurrent_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AvailableForSaleSecuritiesCurrent_lbl" xml:lang="en-US">Investments in marketable equity securities, at fair value</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PrepaidExpenseAndOtherAssetsCurrent" xlink:label="us-gaap_PrepaidExpenseAndOtherAssetsCurrent" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PrepaidExpenseAndOtherAssetsCurrent" xlink:to="us-gaap_PrepaidExpenseAndOtherAssetsCurrent_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PrepaidExpenseAndOtherAssetsCurrent_lbl" xml:lang="en-US">Prepaid expenses and other</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AssetsCurrent" xlink:label="us-gaap_AssetsCurrent" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetsCurrent" xlink:to="us-gaap_AssetsCurrent_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_AssetsCurrent_lbl" xml:lang="en-US">Total current assets</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_MineralPropertiesNet" xlink:label="us-gaap_MineralPropertiesNet" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MineralPropertiesNet" xlink:to="us-gaap_MineralPropertiesNet_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_MineralPropertiesNet_lbl" xml:lang="en-US">Mineral properties</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherAssetsNoncurrent" xlink:label="us-gaap_OtherAssetsNoncurrent" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherAssetsNoncurrent" xlink:to="us-gaap_OtherAssetsNoncurrent_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherAssetsNoncurrent_lbl" xml:lang="en-US">Other assets</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PrepaidExpenseAndOtherAssets" xlink:label="us-gaap_PrepaidExpenseAndOtherAssets" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PrepaidExpenseAndOtherAssets" xlink:to="us-gaap_PrepaidExpenseAndOtherAssets_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PrepaidExpenseAndOtherAssets_lbl" xml:lang="en-US">Total assets</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:label="us-gaap_LiabilitiesAndStockholdersEquityAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:to="us-gaap_LiabilitiesAndStockholdersEquityAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LiabilitiesAndStockholdersEquityAbstract_lbl" xml:lang="en-US">Liabilities and Shareholders&#8217; Equity</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LiabilitiesCurrentAbstract" xlink:label="us-gaap_LiabilitiesCurrentAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesCurrentAbstract" xlink:to="us-gaap_LiabilitiesCurrentAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LiabilitiesCurrentAbstract_lbl" xml:lang="en-US">Current liabilities:</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LiabilitiesCurrent" xlink:label="us-gaap_LiabilitiesCurrent" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesCurrent" xlink:to="us-gaap_LiabilitiesCurrent_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LiabilitiesCurrent_lbl" xml:lang="en-US">Accounts payable</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LiabilitiesOtherThanLongTermDebtNoncurrentAbstract" xlink:label="us-gaap_LiabilitiesOtherThanLongTermDebtNoncurrentAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesOtherThanLongTermDebtNoncurrentAbstract" xlink:to="us-gaap_LiabilitiesOtherThanLongTermDebtNoncurrentAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LiabilitiesOtherThanLongTermDebtNoncurrentAbstract_lbl" xml:lang="en-US">Long-term liabilities</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_MineReclamationAndClosingLiabilityNoncurrent" xlink:label="us-gaap_MineReclamationAndClosingLiabilityNoncurrent" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MineReclamationAndClosingLiabilityNoncurrent" xlink:to="us-gaap_MineReclamationAndClosingLiabilityNoncurrent_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_MineReclamationAndClosingLiabilityNoncurrent_lbl" xml:lang="en-US">Asset retirement obligation - Lik</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StockholdersEquityAbstract" xlink:label="us-gaap_StockholdersEquityAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockholdersEquityAbstract" xlink:to="us-gaap_StockholdersEquityAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StockholdersEquityAbstract_lbl" xml:lang="en-US">Shareholders&#8217; equity:</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PreferredStockValue" xlink:label="us-gaap_PreferredStockValue" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PreferredStockValue" xlink:to="us-gaap_PreferredStockValue_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PreferredStockValue_lbl" xml:lang="en-US">Preferred stock, $0.01 par value, authorized 10,000,000 shares (none issued and outstanding at December 31, 2018 and 2017)</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CommonStockValue" xlink:label="us-gaap_CommonStockValue" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockValue" xlink:to="us-gaap_CommonStockValue_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommonStockValue_lbl" xml:lang="en-US">Common stock, $0.01 par value, authorized, 100,000,000 shares (58,171,466 and 58,434,566, respectively, shares issued and outstanding at December 31, 2018 and 2017)</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AdditionalPaidInCapital" xlink:label="us-gaap_AdditionalPaidInCapital" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AdditionalPaidInCapital" xlink:to="us-gaap_AdditionalPaidInCapital_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AdditionalPaidInCapital_lbl" xml:lang="en-US">Additional paid-in capital</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RetainedEarningsAccumulatedDeficit" xlink:to="us-gaap_RetainedEarningsAccumulatedDeficit_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit_lbl" xml:lang="en-US">Accumulated deficit</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:to="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_lbl" xml:lang="en-US">Accumulated Other Comprehensive Income</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:label="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:to="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_lbl" xml:lang="en-US">Total shareholders' equity</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity" />
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommonStockParOrStatedValuePerShare_lbl" xml:lang="en-US">Common stock, par value</link:label>
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommonStockSharesAuthorized_lbl" xml:lang="en-US">Common stock, shares authorized</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CommonStockSharesIssued" xlink:label="us-gaap_CommonStockSharesIssued" />
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_GainLossOnSaleOfProperties_lbl" xml:lang="en-US">Revenue &#8211; mineral property sale</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CostsAndExpensesAbstract" xlink:label="us-gaap_CostsAndExpensesAbstract" />
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CostsAndExpensesAbstract_lbl" xml:lang="en-US">Costs, expenses and other</link:label>
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      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DepreciationAndAmortization" xlink:label="us-gaap_DepreciationAndAmortization" />
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DepreciationAndAmortization_lbl" xml:lang="en-US">Depreciation and amortization</link:label>
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_GeneralAndAdministrativeExpense_lbl" xml:lang="en-US">General and administrative</link:label>
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_OtherCostAndExpenseOperating_lbl" xml:lang="en-US">Total costs, expenses and other</link:label>
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherIncomeDisclosureNonoperating_lbl" xml:lang="en-US">Other (expense) income</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetInvestmentIncome" xlink:label="us-gaap_NetInvestmentIncome" />
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      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RealizedGainLossOnMarketableSecuritiesCostMethodInvestmentsAndOtherInvestments" xlink:label="us-gaap_RealizedGainLossOnMarketableSecuritiesCostMethodInvestmentsAndOtherInvestments" />
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RealizedGainLossOnMarketableSecuritiesCostMethodInvestmentsAndOtherInvestments_lbl" xml:lang="en-US">Gain on sale of marketable equity securities</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_UnrealizedGainLossOnMarketableSecuritiesCostMethodInvestmentsAndOtherInvestments" xlink:label="us-gaap_UnrealizedGainLossOnMarketableSecuritiesCostMethodInvestmentsAndOtherInvestments" />
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_UnrealizedGainLossOnMarketableSecuritiesCostMethodInvestmentsAndOtherInvestments_lbl" xml:lang="en-US">Unrealized loss on marketable equity securities</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_GainLossOnDerivativeInstrumentsHeldForTradingPurposesNet" xlink:label="us-gaap_GainLossOnDerivativeInstrumentsHeldForTradingPurposesNet" />
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      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_GainLossOnDispositionOfAssets1" xlink:label="us-gaap_GainLossOnDispositionOfAssets1" />
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_GainLossOnDispositionOfAssets1_lbl" xml:lang="en-US">Loss on sale of assets</link:label>
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:label="us-gaap_OtherNonrecurringIncomeExpense_lbl" xml:lang="en-US">Total other income (expense)</link:label>
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetIncomeLoss_lbl" xml:lang="en-US">Net loss</link:label>
      <link:loc xlink:type="locator" xlink:href="xpl-20181231.xsd#XPL_IncomeLossPerShareAttributableToSolitarioShareholders" xlink:label="XPL_IncomeLossPerShareAttributableToSolitarioShareholders" />
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EarningsPerShareBasicAndDiluted_lbl" xml:lang="en-US">basic and diluted</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract" />
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_lbl" xml:lang="en-US">Weighted average shares outstanding</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted" xlink:label="us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted" />
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted_lbl" xml:lang="en-US">Basic and diluted</link:label>
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_NetIncomeLoss_2_lbl" xml:lang="en-US">Net loss for the period, before other comprehensive loss</link:label>
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_MarketableSecuritiesUnrealizedGainLoss_lbl" xml:lang="en-US">Unrealized gain (loss) on marketable equity securities, net of deferred taxes</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax" xlink:label="us-gaap_OtherComprehensiveIncomeLossNetOfTax" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherComprehensiveIncomeLossNetOfTax" xlink:to="us-gaap_OtherComprehensiveIncomeLossNetOfTax_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherComprehensiveIncomeLossNetOfTax_lbl" xml:lang="en-US">Comprehensive loss</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementTable_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StatementTable_lbl" xml:lang="en-US">Statement [Table]</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_StatementLineItems_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StatementLineItems_lbl" xml:lang="en-US">Statement [Line Items]</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="us-gaap_StockholdersEquity" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockholdersEquity" xlink:to="us-gaap_StockholdersEquity_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_StockholdersEquity_lbl" xml:lang="en-US">Beginning balance, value</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SharesIssued" xlink:label="us-gaap_SharesIssued" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharesIssued" xlink:to="us-gaap_SharesIssued_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_SharesIssued_lbl" xml:lang="en-US">Beginning balance, shares</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueAcquisitions" xlink:label="us-gaap_StockIssuedDuringPeriodValueAcquisitions" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockIssuedDuringPeriodValueAcquisitions" xlink:to="us-gaap_StockIssuedDuringPeriodValueAcquisitions_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StockIssuedDuringPeriodValueAcquisitions_lbl" xml:lang="en-US">Issuance of shares- acquisition, value</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesAcquisitions" xlink:label="us-gaap_StockIssuedDuringPeriodSharesAcquisitions" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockIssuedDuringPeriodSharesAcquisitions" xlink:to="us-gaap_StockIssuedDuringPeriodSharesAcquisitions_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StockIssuedDuringPeriodSharesAcquisitions_lbl" xml:lang="en-US">Issuance of shares- acquisition, shares</link:label>
      <link:loc xlink:type="locator" xlink:href="xpl-20181231.xsd#XPL_CostReplacementOptionsIssuedAcquisition" xlink:label="XPL_CostReplacementOptionsIssuedAcquisition" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="XPL_CostReplacementOptionsIssuedAcquisition" xlink:to="XPL_CostReplacementOptionsIssuedAcquisition_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="XPL_CostReplacementOptionsIssuedAcquisition_lbl" xml:lang="en-US">Replacement options</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition" xlink:to="us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition_lbl" xml:lang="en-US">Stock option expense</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StockRepurchasedAndRetiredDuringPeriodValue" xlink:label="us-gaap_StockRepurchasedAndRetiredDuringPeriodValue" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockRepurchasedAndRetiredDuringPeriodValue" xlink:to="us-gaap_StockRepurchasedAndRetiredDuringPeriodValue_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StockRepurchasedAndRetiredDuringPeriodValue_lbl" xml:lang="en-US">Repurchase of shares for cancellation, value</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StockRepurchasedAndRetiredDuringPeriodShares" xlink:label="us-gaap_StockRepurchasedAndRetiredDuringPeriodShares" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockRepurchasedAndRetiredDuringPeriodShares" xlink:to="us-gaap_StockRepurchasedAndRetiredDuringPeriodShares_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StockRepurchasedAndRetiredDuringPeriodShares_lbl" xml:lang="en-US">Repurchase of shares for cancellation, shares</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetIncomeLoss" xlink:to="us-gaap_NetIncomeLoss_3_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_NetIncomeLoss_3_lbl" xml:lang="en-US">Net loss</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetRealizedOrUnrealizedGainLossOnTradingSecurities" xlink:label="us-gaap_NetRealizedOrUnrealizedGainLossOnTradingSecurities" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetRealizedOrUnrealizedGainLossOnTradingSecurities" xlink:to="us-gaap_NetRealizedOrUnrealizedGainLossOnTradingSecurities_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetRealizedOrUnrealizedGainLossOnTradingSecurities_lbl" xml:lang="en-US">Net unrealized loss on marketable equity securities (net of deferred taxes)</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockholdersEquity" xlink:to="us-gaap_StockholdersEquity_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_StockholdersEquity_2_lbl" xml:lang="en-US">Ending balance, value</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharesIssued" xlink:to="us-gaap_SharesIssued_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_SharesIssued_2_lbl" xml:lang="en-US">Ending balance, shares</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfChangeOnNetIncome" xlink:label="us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfChangeOnNetIncome" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfChangeOnNetIncome" xlink:to="us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfChangeOnNetIncome_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfChangeOnNetIncome_lbl" xml:lang="en-US">Cumulateve-effect adjustment change in accounting principle</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StatementOfCashFlowsAbstract" xlink:label="us-gaap_StatementOfCashFlowsAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementOfCashFlowsAbstract" xlink:to="us-gaap_StatementOfCashFlowsAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StatementOfCashFlowsAbstract_lbl" xml:lang="en-US">Statement of Cash Flows [Abstract]</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xml:lang="en-US">Operating activities:</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xml:lang="en-US">Adjustments to reconcile net loss to net cash used in operating activities:</link:label>
      <link:loc xlink:type="locator" xlink:href="xpl-20181231.xsd#XPL_UnrealizedGainLossOnMarketableSecuritiesCostMethodInvestmentsAndOtherInvestments1" xlink:label="XPL_UnrealizedGainLossOnMarketableSecuritiesCostMethodInvestmentsAndOtherInvestments1" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="XPL_UnrealizedGainLossOnMarketableSecuritiesCostMethodInvestmentsAndOtherInvestments1" xlink:to="XPL_UnrealizedGainLossOnMarketableSecuritiesCostMethodInvestmentsAndOtherInvestments1_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="XPL_UnrealizedGainLossOnMarketableSecuritiesCostMethodInvestmentsAndOtherInvestments1_lbl" xml:lang="en-US">Unrealized loss on marketable equity securities</link:label>
      <link:loc xlink:type="locator" xlink:href="xpl-20181231.xsd#XPL_RealizedGainLossOnMarketableSecuritiesCostMethodInvestmentsAndOtherInvestments1" xlink:label="XPL_RealizedGainLossOnMarketableSecuritiesCostMethodInvestmentsAndOtherInvestments1" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="XPL_RealizedGainLossOnMarketableSecuritiesCostMethodInvestmentsAndOtherInvestments1" xlink:to="XPL_RealizedGainLossOnMarketableSecuritiesCostMethodInvestmentsAndOtherInvestments1_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="XPL_RealizedGainLossOnMarketableSecuritiesCostMethodInvestmentsAndOtherInvestments1_lbl" xml:lang="en-US">Gain on sale of marketable equity securities</link:label>
      <link:loc xlink:type="locator" xlink:href="xpl-20181231.xsd#XPL_GainLossOnDerivativeInstrumentsHeldForTradingPurposesNet1" xlink:label="XPL_GainLossOnDerivativeInstrumentsHeldForTradingPurposesNet1" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="XPL_GainLossOnDerivativeInstrumentsHeldForTradingPurposesNet1" xlink:to="XPL_GainLossOnDerivativeInstrumentsHeldForTradingPurposesNet1_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="XPL_GainLossOnDerivativeInstrumentsHeldForTradingPurposesNet1_lbl" xml:lang="en-US">Gain on derivative instruments</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StockOptionPlanExpense" xlink:label="us-gaap_StockOptionPlanExpense" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockOptionPlanExpense" xlink:to="us-gaap_StockOptionPlanExpense_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StockOptionPlanExpense_lbl" xml:lang="en-US">Employee stock option expense</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_GainLossOnSaleOfOtherAssets" xlink:label="us-gaap_GainLossOnSaleOfOtherAssets" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GainLossOnSaleOfOtherAssets" xlink:to="us-gaap_GainLossOnSaleOfOtherAssets_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_GainLossOnSaleOfOtherAssets_lbl" xml:lang="en-US">Loss on sale of assets</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncreaseDecreaseInOperatingAssetsAbstract" xlink:label="us-gaap_IncreaseDecreaseInOperatingAssetsAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInOperatingAssetsAbstract" xlink:to="us-gaap_IncreaseDecreaseInOperatingAssetsAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInOperatingAssetsAbstract_lbl" xml:lang="en-US">Changes in operating assets and liabilities:</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncreaseDecreaseInPrepaidExpense" xlink:label="us-gaap_IncreaseDecreaseInPrepaidExpense" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInPrepaidExpense" xlink:to="us-gaap_IncreaseDecreaseInPrepaidExpense_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInPrepaidExpense_lbl" xml:lang="en-US">Prepaid expenses and other current assets</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xlink:label="us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xlink:to="us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_lbl" xml:lang="en-US">Accounts payable and other current liabilities</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:to="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl" xml:lang="en-US">Net cash (used in) operating activities</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:to="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_lbl" xml:lang="en-US">Investing activities:</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesEquity" xlink:label="us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesEquity" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesEquity" xlink:to="us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesEquity_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesEquity_lbl" xml:lang="en-US">Sale of short-term investments - net</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsReceivableRelatedParties" xlink:label="us-gaap_IncreaseDecreaseInAccountsReceivableRelatedParties" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInAccountsReceivableRelatedParties" xlink:to="us-gaap_IncreaseDecreaseInAccountsReceivableRelatedParties_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_IncreaseDecreaseInAccountsReceivableRelatedParties_lbl" xml:lang="en-US">Loan to Zazu</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired" xlink:label="us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired" />
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_lbl" xml:lang="en-US">Purchase of Zazu, net of cash acquired</link:label>
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      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsForProceedsFromAvailableforsaleSecuritiesShortterm" xlink:to="us-gaap_PaymentsForProceedsFromAvailableforsaleSecuritiesShortterm_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_PaymentsForProceedsFromAvailableforsaleSecuritiesShortterm_lbl" xml:lang="en-US">Purchase of marketable equity securities</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ProceedsFromSaleAndMaturityOfMarketableSecurities" xlink:label="us-gaap_ProceedsFromSaleAndMaturityOfMarketableSecurities" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromSaleAndMaturityOfMarketableSecurities" xlink:to="us-gaap_ProceedsFromSaleAndMaturityOfMarketableSecurities_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProceedsFromSaleAndMaturityOfMarketableSecurities_lbl" xml:lang="en-US">Proceeds from sale of marketable equity securities</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ProceedsFromDerivativeInstrumentInvestingActivities" xlink:label="us-gaap_ProceedsFromDerivativeInstrumentInvestingActivities" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromDerivativeInstrumentInvestingActivities" xlink:to="us-gaap_ProceedsFromDerivativeInstrumentInvestingActivities_lbl" xlink:type="arc" />
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      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivities" />
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      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:to="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_lbl" xml:lang="en-US">Financing activities:</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock" xlink:label="us-gaap_PaymentsForRepurchaseOfCommonStock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsForRepurchaseOfCommonStock" xlink:to="us-gaap_PaymentsForRepurchaseOfCommonStock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_PaymentsForRepurchaseOfCommonStock_lbl" xml:lang="en-US">Repurchase of Solitario common stock for cancellation</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:to="us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl" xlink:type="arc" />
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      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect" xlink:to="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect_lbl" xml:lang="en-US">Net (decrease) increase in cash and cash equivalents</link:label>
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      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:to="us-gaap_CashAndCashEquivalentsAtCarryingValue_3_lbl" xlink:type="arc" />
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      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SupplementalCashFlowInformationAbstract" xlink:to="us-gaap_SupplementalCashFlowInformationAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SupplementalCashFlowInformationAbstract_lbl" xml:lang="en-US">Supplemental disclosure of non-cash activities:</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PropertyPlantAndEquipmentAdditions" xlink:label="us-gaap_PropertyPlantAndEquipmentAdditions" />
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PropertyPlantAndEquipmentAdditions_lbl" xml:lang="en-US">Additions to mining equipment &#8211;Zazu, through issuance of stock in Acquisition</link:label>
      <link:loc xlink:type="locator" xlink:href="xpl-20181231.xsd#XPL_MineralPropertyAdditions" xlink:label="XPL_MineralPropertyAdditions" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="XPL_MineralPropertyAdditions" xlink:to="XPL_MineralPropertyAdditions_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="XPL_MineralPropertyAdditions_lbl" xml:lang="en-US">Additions to mineral property- Zazu, through issuance of stock in Acquisition</link:label>
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      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="XPL_AdditionsToCurrentAssets" xlink:to="XPL_AdditionsToCurrentAssets_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="XPL_AdditionsToCurrentAssets_lbl" xml:lang="en-US">Additions to current assets, net &#8211; Zazu, through issuance of stock in Acquisition</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockIssuedDuringPeriodValueAcquisitions" xlink:to="us-gaap_StockIssuedDuringPeriodValueAcquisitions_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_StockIssuedDuringPeriodValueAcquisitions_2_lbl" xml:lang="en-US">Issuance of common stock &#8211; Zazu acquisition</link:label>
      <link:loc xlink:type="locator" xlink:href="xpl-20181231.xsd#XPL_DebtInstrumentConvertibleCancelled" xlink:label="XPL_DebtInstrumentConvertibleCancelled" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="XPL_DebtInstrumentConvertibleCancelled" xlink:to="XPL_DebtInstrumentConvertibleCancelled_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="XPL_DebtInstrumentConvertibleCancelled_lbl" xml:lang="en-US">Convertible debenture &#8211; due from Zazu cancelled</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ReclamationAndMineShutdownProvision" xlink:label="us-gaap_ReclamationAndMineShutdownProvision" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ReclamationAndMineShutdownProvision" xlink:to="us-gaap_ReclamationAndMineShutdownProvision_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ReclamationAndMineShutdownProvision_lbl" xml:lang="en-US">Asset retirement obligation - Lik</link:label>
      <link:loc xlink:type="locator" xlink:href="xpl-20181231.xsd#XPL_StockOptionsIssuedDuringPeriodValueAcquisitions" xlink:label="XPL_StockOptionsIssuedDuringPeriodValueAcquisitions" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="XPL_StockOptionsIssuedDuringPeriodValueAcquisitions" xlink:to="XPL_StockOptionsIssuedDuringPeriodValueAcquisitions_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="XPL_StockOptionsIssuedDuringPeriodValueAcquisitions_lbl" xml:lang="en-US">Issuance of replacement options &#8211; Zazu</link:label>
      <link:loc xlink:type="locator" xlink:href="xpl-20181231.xsd#XPL_TransferWarrantValueUponExercise" xlink:label="XPL_TransferWarrantValueUponExercise" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="XPL_TransferWarrantValueUponExercise" xlink:to="XPL_TransferWarrantValueUponExercise_lbl" xlink:type="arc" />
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      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract" xlink:label="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract" xlink:to="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_lbl" xml:lang="en-US">Organization, Consolidation and Presentation of Financial Statements [Abstract]</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureAndSignificantAccountingPoliciesTextBlock" xlink:label="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureAndSignificantAccountingPoliciesTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureAndSignificantAccountingPoliciesTextBlock" xlink:to="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureAndSignificantAccountingPoliciesTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureAndSignificantAccountingPoliciesTextBlock_lbl" xml:lang="en-US">Business and Summary of Significan Accounting Policies</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_ExtractiveIndustriesAbstract" xlink:label="srt_ExtractiveIndustriesAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_ExtractiveIndustriesAbstract" xlink:to="srt_ExtractiveIndustriesAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_ExtractiveIndustriesAbstract_lbl" xml:lang="en-US">Extractive Industries [Abstract]</link:label>
      <link:loc xlink:type="locator" xlink:href="xpl-20181231.xsd#XPL_MineralPropertiesDisclosureTextBlock" xlink:label="XPL_MineralPropertiesDisclosureTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="XPL_MineralPropertiesDisclosureTextBlock" xlink:to="XPL_MineralPropertiesDisclosureTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="XPL_MineralPropertiesDisclosureTextBlock_lbl" xml:lang="en-US">Mineral Properties</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_MarketableSecuritiesAbstract" xlink:label="us-gaap_MarketableSecuritiesAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MarketableSecuritiesAbstract" xlink:to="us-gaap_MarketableSecuritiesAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_MarketableSecuritiesAbstract_lbl" xml:lang="en-US">Marketable Securities [Abstract]</link:label>
      <link:loc xlink:type="locator" xlink:href="xpl-20181231.xsd#XPL_InvestmentsDebtAndEquitySecuritiesTextBlock" xlink:label="XPL_InvestmentsDebtAndEquitySecuritiesTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="XPL_InvestmentsDebtAndEquitySecuritiesTextBlock" xlink:to="XPL_InvestmentsDebtAndEquitySecuritiesTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="XPL_InvestmentsDebtAndEquitySecuritiesTextBlock_lbl" xml:lang="en-US">Marketable Equity Securities</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureAbstract" xlink:label="us-gaap_DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureAbstract" />
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureAbstract_lbl" xml:lang="en-US">Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherAssetsDisclosureTextBlock" xlink:label="us-gaap_OtherAssetsDisclosureTextBlock" />
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherAssetsDisclosureTextBlock_lbl" xml:lang="en-US">Other Assets</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RevenueRecognitionAbstract" xlink:label="us-gaap_RevenueRecognitionAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RevenueRecognitionAbstract" xlink:to="us-gaap_RevenueRecognitionAbstract_lbl" xlink:type="arc" />
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      <link:loc xlink:type="locator" xlink:href="xpl-20181231.xsd#XPL_RevenueRecognitionSaleOfMineralPropertyTextBlock" xlink:label="XPL_RevenueRecognitionSaleOfMineralPropertyTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="XPL_RevenueRecognitionSaleOfMineralPropertyTextBlock" xlink:to="XPL_RevenueRecognitionSaleOfMineralPropertyTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="XPL_RevenueRecognitionSaleOfMineralPropertyTextBlock_lbl" xml:lang="en-US">Revenue Mineral Property Sale</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract" xlink:label="us-gaap_IncomeTaxDisclosureAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxDisclosureAbstract" xlink:to="us-gaap_IncomeTaxDisclosureAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncomeTaxDisclosureAbstract_lbl" xml:lang="en-US">Income Tax Disclosure [Abstract]</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeTaxDisclosureTextBlock" xlink:label="us-gaap_IncomeTaxDisclosureTextBlock" />
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAccretableYieldDisposalsOfLoans_lbl" xml:lang="en-US">Convertible debenture due Solitario, cancelled</link:label>
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AcquisitionCosts_lbl" xml:lang="en-US">Total purchase price</link:label>
      <link:loc xlink:type="locator" xlink:href="xpl-20181231.xsd#XPL_InvestmentBankingFees" xlink:label="XPL_InvestmentBankingFees" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="XPL_InvestmentBankingFees" xlink:to="XPL_InvestmentBankingFees_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="XPL_InvestmentBankingFees_lbl" xml:lang="en-US">Investment banking fees</link:label>
      <link:loc xlink:type="locator" xlink:href="xpl-20181231.xsd#XPL_BusinessCombinationLegalAccountingCosts" xlink:label="XPL_BusinessCombinationLegalAccountingCosts" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="XPL_BusinessCombinationLegalAccountingCosts" xlink:to="XPL_BusinessCombinationLegalAccountingCosts_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="XPL_BusinessCombinationLegalAccountingCosts_lbl" xml:lang="en-US">Legal and accounting costs</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherPaymentsToAcquireBusinesses" xlink:label="us-gaap_OtherPaymentsToAcquireBusinesses" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherPaymentsToAcquireBusinesses" xlink:to="us-gaap_OtherPaymentsToAcquireBusinesses_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherPaymentsToAcquireBusinesses_lbl" xml:lang="en-US">Other costs and fees</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BusinessCombinationAcquisitionRelatedCosts" xlink:label="us-gaap_BusinessCombinationAcquisitionRelatedCosts" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessCombinationAcquisitionRelatedCosts" xlink:to="us-gaap_BusinessCombinationAcquisitionRelatedCosts_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_BusinessCombinationAcquisitionRelatedCosts_lbl" xml:lang="en-US">Total capitalized transaction costs</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_Cash" xlink:label="us-gaap_Cash" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Cash" xlink:to="us-gaap_Cash_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_Cash_lbl" xml:lang="en-US">Cash</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherAssetsCurrent" xlink:label="us-gaap_OtherAssetsCurrent" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherAssetsCurrent" xlink:to="us-gaap_OtherAssetsCurrent_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherAssetsCurrent_lbl" xml:lang="en-US">Other current assets</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FixturesAndEquipmentGross" xlink:label="us-gaap_FixturesAndEquipmentGross" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FixturesAndEquipmentGross" xlink:to="us-gaap_FixturesAndEquipmentGross_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FixturesAndEquipmentGross_lbl" xml:lang="en-US">Equipment</link:label>
      <link:loc xlink:type="locator" xlink:href="xpl-20181231.xsd#XPL_MineralPropertiesAcquisitionFairValue" xlink:label="XPL_MineralPropertiesAcquisitionFairValue" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="XPL_MineralPropertiesAcquisitionFairValue" xlink:to="XPL_MineralPropertiesAcquisitionFairValue_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="XPL_MineralPropertiesAcquisitionFairValue_lbl" xml:lang="en-US">Mineral property</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent" xlink:label="us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent" xlink:to="us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_lbl" xml:lang="en-US">Accounts payable</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccruedReclamationCostsCurrent" xlink:label="us-gaap_AccruedReclamationCostsCurrent" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccruedReclamationCostsCurrent" xlink:to="us-gaap_AccruedReclamationCostsCurrent_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccruedReclamationCostsCurrent_lbl" xml:lang="en-US">Asset retirement obligation &#150; Lik</link:label>
      <link:loc xlink:type="locator" xlink:href="xpl-20181231.xsd#XPL_CommonStockIssuedForPurchaseOfAssets" xlink:label="XPL_CommonStockIssuedForPurchaseOfAssets" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="XPL_CommonStockIssuedForPurchaseOfAssets" xlink:to="XPL_CommonStockIssuedForPurchaseOfAssets_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="XPL_CommonStockIssuedForPurchaseOfAssets_lbl" xml:lang="en-US">Common stock issued at .3572 shares for 1 share Zazu</link:label>
      <link:loc xlink:type="locator" xlink:href="xpl-20181231.xsd#XPL_ReplacementStockOptionsGranted" xlink:label="XPL_ReplacementStockOptionsGranted" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="XPL_ReplacementStockOptionsGranted" xlink:to="XPL_ReplacementStockOptionsGranted_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="XPL_ReplacementStockOptionsGranted_lbl" xml:lang="en-US">Replacement options issued to Zazu</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AcquisitionCosts" xlink:to="us-gaap_AcquisitionCosts_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_AcquisitionCosts_2_lbl" xml:lang="en-US">Total purchase price Zazu Acquisition</link:label>
      <link:loc xlink:type="locator" xlink:href="xpl-20181231.xsd#XPL_PaymentsOfStockIssuanceCosts2" xlink:label="XPL_PaymentsOfStockIssuanceCosts2" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="XPL_PaymentsOfStockIssuanceCosts2" xlink:to="XPL_PaymentsOfStockIssuanceCosts2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="XPL_PaymentsOfStockIssuanceCosts2_lbl" xml:lang="en-US">Stock issuance costs related to Zazu</link:label>
      <link:loc xlink:type="locator" xlink:href="xpl-20181231.xsd#XPL_CashInBrokerageAndOtherAccounts" xlink:label="XPL_CashInBrokerageAndOtherAccounts" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="XPL_CashInBrokerageAndOtherAccounts" xlink:to="XPL_CashInBrokerageAndOtherAccounts_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="XPL_CashInBrokerageAndOtherAccounts_lbl" xml:lang="en-US">Cash and equivalents not covered under FDIC</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_USGovernmentSecuritiesAtCarryingValue" xlink:label="us-gaap_USGovernmentSecuritiesAtCarryingValue" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_USGovernmentSecuritiesAtCarryingValue" xlink:to="us-gaap_USGovernmentSecuritiesAtCarryingValue_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_USGovernmentSecuritiesAtCarryingValue_lbl" xml:lang="en-US">United States Treasuries</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CertificatesOfDepositAtCarryingValue" xlink:label="us-gaap_CertificatesOfDepositAtCarryingValue" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CertificatesOfDepositAtCarryingValue" xlink:to="us-gaap_CertificatesOfDepositAtCarryingValue_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CertificatesOfDepositAtCarryingValue_lbl" xml:lang="en-US">Certificates of Deposit</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InterestBearingForeignDepositMoneyMarket" xlink:label="us-gaap_InterestBearingForeignDepositMoneyMarket" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestBearingForeignDepositMoneyMarket" xlink:to="us-gaap_InterestBearingForeignDepositMoneyMarket_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InterestBearingForeignDepositMoneyMarket_lbl" xml:lang="en-US">US dollar savings account in Peru</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xlink:to="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_lbl" xml:lang="en-US">Potentially dilutive shares consisting of stock options</link:label>
      <link:loc xlink:type="locator" xlink:href="xpl-20181231.xsd#XPL_CumulativeEffectAdjustmentChangeInAccountingPrinciple" xlink:label="XPL_CumulativeEffectAdjustmentChangeInAccountingPrinciple" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="XPL_CumulativeEffectAdjustmentChangeInAccountingPrinciple" xlink:to="XPL_CumulativeEffectAdjustmentChangeInAccountingPrinciple_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="XPL_CumulativeEffectAdjustmentChangeInAccountingPrinciple_lbl" xml:lang="en-US">Cumulative effect adjustment for change in accounting principle</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfChangeOnOperatingResults" xlink:label="us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfChangeOnOperatingResults" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfChangeOnOperatingResults" xlink:to="us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfChangeOnOperatingResults_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfChangeOnOperatingResults_lbl" xml:lang="en-US">Asset and offsetting liability upon adoption of ASU 2016-02</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortization" xlink:label="us-gaap_CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortization" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortization" xlink:to="us-gaap_CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortization_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortization_lbl" xml:lang="en-US">Capitalized Investment Mineral Properties</link:label>
      <link:loc xlink:type="locator" xlink:href="xpl-20181231.xsd#XPL_ExplorationGeologicAndFieldExpense" xlink:label="XPL_ExplorationGeologicAndFieldExpense" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="XPL_ExplorationGeologicAndFieldExpense" xlink:to="XPL_ExplorationGeologicAndFieldExpense_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="XPL_ExplorationGeologicAndFieldExpense_lbl" xml:lang="en-US">Geologic and field expenses</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherGeneralAndAdministrativeExpense" xlink:label="us-gaap_OtherGeneralAndAdministrativeExpense" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherGeneralAndAdministrativeExpense" xlink:to="us-gaap_OtherGeneralAndAdministrativeExpense_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherGeneralAndAdministrativeExpense_lbl" xml:lang="en-US">Administrative</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="XPL_ExplorationExpenseMineralProperties" xlink:to="XPL_ExplorationExpenseMineralProperties_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="XPL_ExplorationExpenseMineralProperties_2_lbl" xml:lang="en-US">Total exploration expense</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_TradingSecuritiesCost" xlink:label="us-gaap_TradingSecuritiesCost" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TradingSecuritiesCost" xlink:to="us-gaap_TradingSecuritiesCost_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_TradingSecuritiesCost_lbl" xml:lang="en-US">Marketable equity securities at cost</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AvailableForSaleEquitySecuritiesAccumulatedGrossUnrealizedGainBeforeTax" xlink:label="us-gaap_AvailableForSaleEquitySecuritiesAccumulatedGrossUnrealizedGainBeforeTax" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AvailableForSaleEquitySecuritiesAccumulatedGrossUnrealizedGainBeforeTax" xlink:to="us-gaap_AvailableForSaleEquitySecuritiesAccumulatedGrossUnrealizedGainBeforeTax_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AvailableForSaleEquitySecuritiesAccumulatedGrossUnrealizedGainBeforeTax_lbl" xml:lang="en-US">Cumulative unrealized (loss) gain on marketable equity securities</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AvailableForSaleSecuritiesCurrent" xlink:to="us-gaap_AvailableForSaleSecuritiesCurrent_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_AvailableForSaleSecuritiesCurrent_2_lbl" xml:lang="en-US">Marketable equity securities at fair value</link:label>
      <link:loc xlink:type="locator" xlink:href="xpl-20181231.xsd#XPL_CostMarketableSecurities" xlink:label="XPL_CostMarketableSecurities" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="XPL_CostMarketableSecurities" xlink:to="XPL_CostMarketableSecurities_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="XPL_CostMarketableSecurities_lbl" xml:lang="en-US">Cost of marketable equity securities sold</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RealizedGainLossOnMarketableSecuritiesCostMethodInvestmentsAndOtherInvestments" xlink:to="us-gaap_RealizedGainLossOnMarketableSecuritiesCostMethodInvestmentsAndOtherInvestments_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_RealizedGainLossOnMarketableSecuritiesCostMethodInvestmentsAndOtherInvestments_2_lbl" xml:lang="en-US">Realized gain on marketable equity securities sold</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesEquity" xlink:label="us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesEquity" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesEquity" xlink:to="us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesEquity_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesEquity_lbl" xml:lang="en-US">Proceeds from the sale of marketable equity securities sold</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PaymentsToAcquireAvailableForSaleSecurities" xlink:label="us-gaap_PaymentsToAcquireAvailableForSaleSecurities" />
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_MarketableSecuritiesGainLoss_lbl" xml:lang="en-US">Gross (loss) gain on marketable equity securities</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncreaseDecreaseInTradingSecurities" xlink:label="us-gaap_IncreaseDecreaseInTradingSecurities" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInTradingSecurities" xlink:to="us-gaap_IncreaseDecreaseInTradingSecurities_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInTradingSecurities_lbl" xml:lang="en-US">Change in marketable equity securities at fair value</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MarketableSecuritiesGainLoss" xlink:to="us-gaap_MarketableSecuritiesGainLoss_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_MarketableSecuritiesGainLoss_2_lbl" xml:lang="en-US">Gross (loss) gain on marketable securities</link:label>
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_RealizedGainLossOnMarketableSecuritiesCostMethodInvestmentsAndOtherInvestments_3_lbl" xml:lang="en-US">Realized gain on marketable equity securities sold</link:label>
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_MarketableSecuritiesUnrealizedGainLoss_2_lbl" xml:lang="en-US">Unrealized (loss) on marketable equity securities</link:label>
      <link:loc xlink:type="locator" xlink:href="xpl-20181231.xsd#XPL_UnitsOfSharesAndWarrantsPurchased" xlink:label="XPL_UnitsOfSharesAndWarrantsPurchased" />
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="XPL_UnitsOfSharesAndWarrantsPurchased_lbl" xml:lang="en-US">Units Vendetta purchased</link:label>
      <link:loc xlink:type="locator" xlink:href="xpl-20181231.xsd#XPL_CostOfFinancialInstrumentsOwned" xlink:label="XPL_CostOfFinancialInstrumentsOwned" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="XPL_CostOfFinancialInstrumentsOwned" xlink:to="XPL_CostOfFinancialInstrumentsOwned_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="XPL_CostOfFinancialInstrumentsOwned_lbl" xml:lang="en-US">Aggregate consideration for units of Vendetta (common stock $186,000; Warrants $103,000)</link:label>
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="XPL_SharesSoldMarketableEquitySecurities_lbl" xml:lang="en-US">Common shares Vendetta sold</link:label>
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="XPL_SharesOwnedVendetta_lbl" xml:lang="en-US">Vendetta shares owned</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ProceedsFromSalesOfAssetsInvestingActivities" xlink:label="us-gaap_ProceedsFromSalesOfAssetsInvestingActivities" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromSalesOfAssetsInvestingActivities" xlink:to="us-gaap_ProceedsFromSalesOfAssetsInvestingActivities_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProceedsFromSalesOfAssetsInvestingActivities_lbl" xml:lang="en-US">Proceeds from sale of Vendetta</link:label>
      <link:loc xlink:type="locator" xlink:href="xpl-20181231.xsd#XPL_IntrinsicValueWarrant" xlink:label="XPL_IntrinsicValueWarrant" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="XPL_IntrinsicValueWarrant" xlink:to="XPL_IntrinsicValueWarrant_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="XPL_IntrinsicValueWarrant_lbl" xml:lang="en-US">Value Vendetta warrants (exercise date)</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PaymentsToAcquireMarketableSecurities" xlink:label="us-gaap_PaymentsToAcquireMarketableSecurities" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsToAcquireMarketableSecurities" xlink:to="us-gaap_PaymentsToAcquireMarketableSecurities_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PaymentsToAcquireMarketableSecurities_lbl" xml:lang="en-US">Cash paid to exercise Vendetta warrants</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="us-gaap_PropertyPlantAndEquipmentNet" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentNet" xlink:to="us-gaap_PropertyPlantAndEquipmentNet_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PropertyPlantAndEquipmentNet_lbl" xml:lang="en-US">Furniture and fixtures, net of accumulated depreciation</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedEquipment" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedEquipment" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedEquipment" xlink:to="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedEquipment_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedEquipment_lbl" xml:lang="en-US">Lik project equipment, net of accumulated depreciation</link:label>
      <link:loc xlink:type="locator" xlink:href="xpl-20181231.xsd#XPL_OtherAssetsVendettaWarrants" xlink:label="XPL_OtherAssetsVendettaWarrants" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="XPL_OtherAssetsVendettaWarrants" xlink:to="XPL_OtherAssetsVendettaWarrants_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="XPL_OtherAssetsVendettaWarrants_lbl" xml:lang="en-US">Exploration bonds and other assets</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherAssets" xlink:label="us-gaap_OtherAssets" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherAssets" xlink:to="us-gaap_OtherAssets_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherAssets_lbl" xml:lang="en-US">Total other assets</link:label>
      <link:loc xlink:type="locator" xlink:href="xpl-20181231.xsd#XPL_AcquisitionExplorationRelatedEquipment" xlink:label="XPL_AcquisitionExplorationRelatedEquipment" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="XPL_AcquisitionExplorationRelatedEquipment" xlink:to="XPL_AcquisitionExplorationRelatedEquipment_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="XPL_AcquisitionExplorationRelatedEquipment_lbl" xml:lang="en-US">Acquisition of exploration related equipment</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_Depreciation" xlink:label="us-gaap_Depreciation" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Depreciation" xlink:to="us-gaap_Depreciation_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_Depreciation_lbl" xml:lang="en-US">Depreciation expense recorded</link:label>
      <link:loc xlink:type="locator" xlink:href="xpl-20181231.xsd#XPL_GainOnWarrants" xlink:label="XPL_GainOnWarrants" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="XPL_GainOnWarrants" xlink:to="XPL_GainOnWarrants_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="XPL_GainOnWarrants_lbl" xml:lang="en-US">Gain on derivative instruments related to Vendetta Warrants</link:label>
      <link:loc xlink:type="locator" xlink:href="xpl-20181231.xsd#XPL_NotesToFinancialStatementsAbstract" xlink:label="XPL_NotesToFinancialStatementsAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="XPL_NotesToFinancialStatementsAbstract" xlink:to="XPL_NotesToFinancialStatementsAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="XPL_NotesToFinancialStatementsAbstract_lbl" xml:lang="en-US">Notes to Financial Statements</link:label>
      <link:loc xlink:type="locator" xlink:href="xpl-20181231.xsd#XPL_ProceedsSaleOfMineralRoyaltyProperty" xlink:label="XPL_ProceedsSaleOfMineralRoyaltyProperty" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="XPL_ProceedsSaleOfMineralRoyaltyProperty" xlink:to="XPL_ProceedsSaleOfMineralRoyaltyProperty_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="XPL_ProceedsSaleOfMineralRoyaltyProperty_lbl" xml:lang="en-US">Sale of Yanacocha royalty interest</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ComponentsOfDeferredTaxAssetsAbstract" xlink:label="us-gaap_ComponentsOfDeferredTaxAssetsAbstract" />
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ComponentsOfDeferredTaxAssetsAbstract_lbl" xml:lang="en-US">Deferred tax assets:</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DeferredTaxAssetsOperatingLossCarryforwards" xlink:label="us-gaap_DeferredTaxAssetsOperatingLossCarryforwards" />
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_lbl" xml:lang="en-US">Loss carryovers</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DeferredTaxAssetsInvestments" xlink:label="us-gaap_DeferredTaxAssetsInvestments" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxAssetsInvestments" xlink:to="us-gaap_DeferredTaxAssetsInvestments_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredTaxAssetsInvestments_lbl" xml:lang="en-US">Investment in Mineral Property</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CapitalizedCostsMineralInterestsInUnprovedProperties" xlink:label="us-gaap_CapitalizedCostsMineralInterestsInUnprovedProperties" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalizedCostsMineralInterestsInUnprovedProperties" xlink:to="us-gaap_CapitalizedCostsMineralInterestsInUnprovedProperties_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CapitalizedCostsMineralInterestsInUnprovedProperties_lbl" xml:lang="en-US">Capitalized Exploration Costs</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost" xlink:label="us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost" xlink:to="us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost_lbl" xml:lang="en-US">Stock option compensation expense</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DeferredTaxAssetsPropertyPlantAndEquipment" xlink:label="us-gaap_DeferredTaxAssetsPropertyPlantAndEquipment" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxAssetsPropertyPlantAndEquipment" xlink:to="us-gaap_DeferredTaxAssetsPropertyPlantAndEquipment_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredTaxAssetsPropertyPlantAndEquipment_lbl" xml:lang="en-US">Royalty</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DeferredTaxAssetsDerivativeInstruments" xlink:label="us-gaap_DeferredTaxAssetsDerivativeInstruments" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxAssetsDerivativeInstruments" xlink:to="us-gaap_DeferredTaxAssetsDerivativeInstruments_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredTaxAssetsDerivativeInstruments_lbl" xml:lang="en-US">Unrealized loss on derivative securities</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DeferredTaxAssetsOther" xlink:label="us-gaap_DeferredTaxAssetsOther" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxAssetsOther" xlink:to="us-gaap_DeferredTaxAssetsOther_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredTaxAssetsOther_lbl" xml:lang="en-US">Other</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_TaxCreditCarryforwardValuationAllowance" xlink:label="us-gaap_TaxCreditCarryforwardValuationAllowance" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TaxCreditCarryforwardValuationAllowance" xlink:to="us-gaap_TaxCreditCarryforwardValuationAllowance_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_TaxCreditCarryforwardValuationAllowance_lbl" xml:lang="en-US">Valuation allowance</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DeferredTaxAssetsGross" xlink:label="us-gaap_DeferredTaxAssetsGross" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxAssetsGross" xlink:to="us-gaap_DeferredTaxAssetsGross_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredTaxAssetsGross_lbl" xml:lang="en-US">Total deferred tax assets</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DeferredTaxLiabilitiesAbstract" xlink:label="us-gaap_DeferredTaxLiabilitiesAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxLiabilitiesAbstract" xlink:to="us-gaap_DeferredTaxLiabilitiesAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredTaxLiabilitiesAbstract_lbl" xml:lang="en-US">Deferred tax liabilities:</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DeferredTaxLiabilitiesDerivatives" xlink:label="us-gaap_DeferredTaxLiabilitiesDerivatives" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredTaxLiabilitiesDerivatives" xlink:to="us-gaap_DeferredTaxLiabilitiesDerivatives_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredTaxLiabilitiesDerivatives_lbl" xml:lang="en-US">Unrealized gain on derivative securities</link:label>
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncomeTaxReconciliationTaxContingencies_lbl" xml:lang="en-US">Expected income tax benefit</link:label>
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost_lbl" xml:lang="en-US">Equity based compensation</link:label>
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      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeTaxReconciliationChangeInEnactedTaxRate" xlink:label="us-gaap_IncomeTaxReconciliationChangeInEnactedTaxRate" />
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      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance" xlink:label="us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance" />
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance_lbl" xml:lang="en-US">Change in valuation allowance</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeTaxReconciliationDeductionsOther" xlink:label="us-gaap_IncomeTaxReconciliationDeductionsOther" />
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncomeTaxReconciliationDeductionsOther_lbl" xml:lang="en-US">Permanent differences and other</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="us-gaap_IncomeTaxExpenseBenefit" />
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      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DeferredTaxAssetsCapitalLossCarryforwards" xlink:label="us-gaap_DeferredTaxAssetsCapitalLossCarryforwards" />
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      <link:loc xlink:type="locator" xlink:href="xpl-20181231.xsd#XPL_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet2" xlink:label="XPL_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet2" />
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InvestmentsFairValueDisclosure_lbl" xml:lang="en-US">Marketable equity securities</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LongTermPurchaseCommitmentAmount" xlink:label="us-gaap_LongTermPurchaseCommitmentAmount" />
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingLeasesRentExpenseNet_lbl" xml:lang="en-US">Non-cancelable operating lease for office space annual payment</link:label>
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="XPL_ExplorationExpenseDrilling_lbl" xml:lang="en-US">Exploration expense recorded for payment of funding for drilling</link:label>
      <link:loc xlink:type="locator" xlink:href="xpl-20181231.xsd#XPL_AdditionalPaymentDueUponCompletionOfDrilling" xlink:label="XPL_AdditionalPaymentDueUponCompletionOfDrilling" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="XPL_AdditionalPaymentDueUponCompletionOfDrilling" xlink:to="XPL_AdditionalPaymentDueUponCompletionOfDrilling_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="XPL_AdditionalPaymentDueUponCompletionOfDrilling_lbl" xml:lang="en-US">Additional payment upon completion of drilling in 2019</link:label>
      <link:loc xlink:type="locator" xlink:href="xpl-20181231.xsd#XPL_GrantDatePriceUSD" xlink:label="XPL_GrantDatePriceUSD" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="XPL_GrantDatePriceUSD" xlink:to="XPL_GrantDatePriceUSD_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="XPL_GrantDatePriceUSD_lbl" xml:lang="en-US">Option &#8211; grant date price</link:label>
      <link:loc xlink:type="locator" xlink:href="xpl-20181231.xsd#XPL_EmployeeStockOwnershipPlanESOPNumberOfAllocatedShares2" xlink:label="XPL_EmployeeStockOwnershipPlanESOPNumberOfAllocatedShares2" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="XPL_EmployeeStockOwnershipPlanESOPNumberOfAllocatedShares2" xlink:to="XPL_EmployeeStockOwnershipPlanESOPNumberOfAllocatedShares2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="XPL_EmployeeStockOwnershipPlanESOPNumberOfAllocatedShares2_lbl" xml:lang="en-US">Options granted</link:label>
      <link:loc xlink:type="locator" xlink:href="xpl-20181231.xsd#XPL_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpected3" xlink:label="XPL_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpected3" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="XPL_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpected3" xlink:to="XPL_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpected3_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="XPL_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpected3_lbl" xml:lang="en-US">Expected life years</link:label>
      <link:loc xlink:type="locator" xlink:href="xpl-20181231.xsd#XPL_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate4" xlink:label="XPL_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate4" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="XPL_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate4" xlink:to="XPL_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate4_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="XPL_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate4_lbl" xml:lang="en-US">Expected volatility</link:label>
      <link:loc xlink:type="locator" xlink:href="xpl-20181231.xsd#XPL_ShareBasedCompenstionArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeRateOfInterest2" xlink:label="XPL_ShareBasedCompenstionArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeRateOfInterest2" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="XPL_ShareBasedCompenstionArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeRateOfInterest2" xlink:to="XPL_ShareBasedCompenstionArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeRateOfInterest2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="XPL_ShareBasedCompenstionArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeRateOfInterest2_lbl" xml:lang="en-US">Risk free interest rate</link:label>
      <link:loc xlink:type="locator" xlink:href="xpl-20181231.xsd#XPL_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionWeightedAverage2" xlink:label="XPL_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionWeightedAverage2" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="XPL_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionWeightedAverage2" xlink:to="XPL_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionWeightedAverage2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="XPL_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionWeightedAverage2_lbl" xml:lang="en-US">Weighted average fair value</link:label>
      <link:loc xlink:type="locator" xlink:href="xpl-20181231.xsd#XPL_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue2" xlink:label="XPL_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue2" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="XPL_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue2" xlink:to="XPL_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="XPL_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue2_lbl" xml:lang="en-US">Grant date fair value</link:label>
      <link:loc xlink:type="locator" xlink:href="xpl-20181231.xsd#XPL_ShareBasedCompensationByShareBasedPaymentAwardOptionsOutstandingBeginningOfPeriod2" xlink:label="XPL_ShareBasedCompensationByShareBasedPaymentAwardOptionsOutstandingBeginningOfPeriod2" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="XPL_ShareBasedCompensationByShareBasedPaymentAwardOptionsOutstandingBeginningOfPeriod2" xlink:to="XPL_ShareBasedCompensationByShareBasedPaymentAwardOptionsOutstandingBeginningOfPeriod2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="XPL_ShareBasedCompensationByShareBasedPaymentAwardOptionsOutstandingBeginningOfPeriod2_lbl" xml:lang="en-US">Outstanding, beginning of year</link:label>
      <link:loc xlink:type="locator" xlink:href="xpl-20181231.xsd#XPL_ShareBasedCompensationArrangementByShareBasedPaymentPricePerShareOutstanding2" xlink:label="XPL_ShareBasedCompensationArrangementByShareBasedPaymentPricePerShareOutstanding2" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="XPL_ShareBasedCompensationArrangementByShareBasedPaymentPricePerShareOutstanding2" xlink:to="XPL_ShareBasedCompensationArrangementByShareBasedPaymentPricePerShareOutstanding2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="XPL_ShareBasedCompensationArrangementByShareBasedPaymentPricePerShareOutstanding2_lbl" xml:lang="en-US">Outstanding, beginning of year, Per Share</link:label>
      <link:loc xlink:type="locator" xlink:href="xpl-20181231.xsd#XPL_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross2" xlink:label="XPL_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross2" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="XPL_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross2" xlink:to="XPL_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="XPL_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross2_lbl" xml:lang="en-US">Granted (3)</link:label>
      <link:loc xlink:type="locator" xlink:href="xpl-20181231.xsd#XPL_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue2" xlink:label="XPL_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue2" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="XPL_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue2" xlink:to="XPL_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="XPL_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue2_lbl" xml:lang="en-US">Granted, Per Share</link:label>
      <link:loc xlink:type="locator" xlink:href="xpl-20181231.xsd#XPL_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercised" xlink:label="XPL_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercised" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="XPL_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercised" xlink:to="XPL_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercised_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="XPL_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercised_lbl" xml:lang="en-US">Exercised</link:label>
      <link:loc xlink:type="locator" xlink:href="xpl-20181231.xsd#XPL_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod2" xlink:label="XPL_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod2" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="XPL_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod2" xlink:to="XPL_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="XPL_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod2_lbl" xml:lang="en-US">Expired</link:label>
      <link:loc xlink:type="locator" xlink:href="xpl-20181231.xsd#XPL_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice2" xlink:label="XPL_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice2" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="XPL_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice2" xlink:to="XPL_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="XPL_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice2_lbl" xml:lang="en-US">Expired, Per Share</link:label>
      <link:loc xlink:type="locator" xlink:href="xpl-20181231.xsd#XPL_ShareBasedCompensationByShareBasedPaymentAwardOptionsOutstandingEndingBalanceShares2" xlink:label="XPL_ShareBasedCompensationByShareBasedPaymentAwardOptionsOutstandingEndingBalanceShares2" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="XPL_ShareBasedCompensationByShareBasedPaymentAwardOptionsOutstandingEndingBalanceShares2" xlink:to="XPL_ShareBasedCompensationByShareBasedPaymentAwardOptionsOutstandingEndingBalanceShares2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="XPL_ShareBasedCompensationByShareBasedPaymentAwardOptionsOutstandingEndingBalanceShares2_lbl" xml:lang="en-US">Outstanding, end of year</link:label>
      <link:loc xlink:type="locator" xlink:href="xpl-20181231.xsd#XPL_ShareBasedCompensationByShareBasedPaymentAwardOptionsOutstandingEndingBalancePerShare2" xlink:label="XPL_ShareBasedCompensationByShareBasedPaymentAwardOptionsOutstandingEndingBalancePerShare2" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="XPL_ShareBasedCompensationByShareBasedPaymentAwardOptionsOutstandingEndingBalancePerShare2" xlink:to="XPL_ShareBasedCompensationByShareBasedPaymentAwardOptionsOutstandingEndingBalancePerShare2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="XPL_ShareBasedCompensationByShareBasedPaymentAwardOptionsOutstandingEndingBalancePerShare2_lbl" xml:lang="en-US">Outstanding, end of year, Per Share</link:label>
      <link:loc xlink:type="locator" xlink:href="xpl-20181231.xsd#XPL_ShareBasedCompensationByShareBasedPaymentAwardOptionsOutstandingExercisableEndOfPeriodShares2" xlink:label="XPL_ShareBasedCompensationByShareBasedPaymentAwardOptionsOutstandingExercisableEndOfPeriodShares2" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="XPL_ShareBasedCompensationByShareBasedPaymentAwardOptionsOutstandingExercisableEndOfPeriodShares2" xlink:to="XPL_ShareBasedCompensationByShareBasedPaymentAwardOptionsOutstandingExercisableEndOfPeriodShares2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="XPL_ShareBasedCompensationByShareBasedPaymentAwardOptionsOutstandingExercisableEndOfPeriodShares2_lbl" xml:lang="en-US">Exercisable, end of year</link:label>
      <link:loc xlink:type="locator" xlink:href="xpl-20181231.xsd#XPL_ShareBasedCompensationByShareBasedPaymentAwardOptionsOutstandingExercisablePerShareEndOfPeriod2" xlink:label="XPL_ShareBasedCompensationByShareBasedPaymentAwardOptionsOutstandingExercisablePerShareEndOfPeriod2" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="XPL_ShareBasedCompensationByShareBasedPaymentAwardOptionsOutstandingExercisablePerShareEndOfPeriod2" xlink:to="XPL_ShareBasedCompensationByShareBasedPaymentAwardOptionsOutstandingExercisablePerShareEndOfPeriod2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="XPL_ShareBasedCompensationByShareBasedPaymentAwardOptionsOutstandingExercisablePerShareEndOfPeriod2_lbl" xml:lang="en-US">Exercisable, end of year, Per Share</link:label>
      <link:loc xlink:type="locator" xlink:href="xpl-20181231.xsd#XPL_ShareBasedCompensationByShareBasedPaymentAwardOptionsOutstandingExercisableEndOfPeriodValue" xlink:label="XPL_ShareBasedCompensationByShareBasedPaymentAwardOptionsOutstandingExercisableEndOfPeriodValue" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="XPL_ShareBasedCompensationByShareBasedPaymentAwardOptionsOutstandingExercisableEndOfPeriodValue" xlink:to="XPL_ShareBasedCompensationByShareBasedPaymentAwardOptionsOutstandingExercisableEndOfPeriodValue_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="XPL_ShareBasedCompensationByShareBasedPaymentAwardOptionsOutstandingExercisableEndOfPeriodValue_lbl" xml:lang="en-US">Aggregate Intrinsic Value (2)</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_lbl" xml:lang="en-US">Total shares available for awards in 2013 Plan, as amended</link:label>
      <link:loc xlink:type="locator" xlink:href="xpl-20181231.xsd#XPL_ShareBasedCompensationByShareBasedPaymentAwardConditionalAwardsGranted" xlink:label="XPL_ShareBasedCompensationByShareBasedPaymentAwardConditionalAwardsGranted" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="XPL_ShareBasedCompensationByShareBasedPaymentAwardConditionalAwardsGranted" xlink:to="XPL_ShareBasedCompensationByShareBasedPaymentAwardConditionalAwardsGranted_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="XPL_ShareBasedCompensationByShareBasedPaymentAwardConditionalAwardsGranted_lbl" xml:lang="en-US">Conditional options granted during 2018</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AllocatedShareBasedCompensationExpense" xlink:label="us-gaap_AllocatedShareBasedCompensationExpense" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AllocatedShareBasedCompensationExpense" xlink:to="us-gaap_AllocatedShareBasedCompensationExpense_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AllocatedShareBasedCompensationExpense_lbl" xml:lang="en-US">Stock option expenses recorded</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized" xlink:to="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_lbl" xml:lang="en-US">Unrecognized stock option compensation cost related to non-vested options</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased" xlink:label="us-gaap_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased" xlink:to="us-gaap_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased_lbl" xml:lang="en-US">Shares authorized for repurchase</link:label>
      <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StockRepurchasedDuringPeriodShares" xlink:label="us-gaap_StockRepurchasedDuringPeriodShares" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockRepurchasedDuringPeriodShares" xlink:to="us-gaap_StockRepurchasedDuringPeriodShares_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StockRepurchasedDuringPeriodShares_lbl" xml:lang="en-US">Shares repurchased</link:label>
      <link:loc xlink:type="locator" xlink:href="xpl-20181231.xsd#XPL_StockRepurchasedAndRetiredDuringPeriodValue2" xlink:label="XPL_StockRepurchasedAndRetiredDuringPeriodValue2" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="XPL_StockRepurchasedAndRetiredDuringPeriodValue2" xlink:to="XPL_StockRepurchasedAndRetiredDuringPeriodValue2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="XPL_StockRepurchasedAndRetiredDuringPeriodValue2_lbl" xml:lang="en-US">Aggregate repurchase price shares repurchased</link:label>
      <link:loc xlink:type="locator" xlink:href="xpl-20181231.xsd#XPL_StockRepurchasedSinceInceptionShares" xlink:label="XPL_StockRepurchasedSinceInceptionShares" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="XPL_StockRepurchasedSinceInceptionShares" xlink:to="XPL_StockRepurchasedSinceInceptionShares_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="XPL_StockRepurchasedSinceInceptionShares_lbl" xml:lang="en-US">Total shares repurchased since program's inception</link:label>
      <link:loc xlink:type="locator" xlink:href="xpl-20181231.xsd#XPL_StockRepurchaseAggregatePurchasePriceSinceInception" xlink:label="XPL_StockRepurchaseAggregatePurchasePriceSinceInception" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="XPL_StockRepurchaseAggregatePurchasePriceSinceInception" xlink:to="XPL_StockRepurchaseAggregatePurchasePriceSinceInception_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="XPL_StockRepurchaseAggregatePurchasePriceSinceInception_lbl" xml:lang="en-US">Aggregate price of shares repurchased since program's inception</link:label>
      <link:loc xlink:type="locator" xlink:href="xpl-20181231.xsd#XPL_SaleOfRoyaltyInterest" xlink:label="XPL_SaleOfRoyaltyInterest" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="XPL_SaleOfRoyaltyInterest" xlink:to="XPL_SaleOfRoyaltyInterest_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="XPL_SaleOfRoyaltyInterest_lbl" xml:lang="en-US">Sale of interests in retained royalty (CDN $)</link:label>
      <link:loc xlink:type="locator" xlink:href="xpl-20181231.xsd#XPL_NoteForSaleOfRoyalty" xlink:label="XPL_NoteForSaleOfRoyalty" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="XPL_NoteForSaleOfRoyalty" xlink:to="XPL_NoteForSaleOfRoyalty_lbl" xlink:type="arc" />
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<DOCUMENT>
<TYPE>EX-101.PRE
<SEQUENCE>14
<FILENAME>xpl-20181231_pre.xml
<DESCRIPTION>XBRL PRESENTATION FILE
<TEXT>
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<title></title>
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<span style="display: none;">v3.10.0.1</span><table class="report" border="0" cellspacing="2" id="idp6790150976">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Document and Entity Information - USD ($)<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2018</div></th>
<th class="th"><div>Feb. 28, 2019</div></th>
<th class="th"><div>Jun. 30, 2018</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_XPL_DocumentAndEntityInformationAbstract', window );"><strong>Document And Entity Information</strong></a></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_dei_EntityRegistrantName', window );">Entity Registrant Name</a></td>
<td class="text">SOLITARIO ZINC CORP.<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_dei_EntityCentralIndexKey', window );">Entity Central Index Key</a></td>
<td class="text">0000917225<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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<tr 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-K<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_dei_DocumentPeriodEndDate', window );">Document Period End Date</a></td>
<td class="text">Dec. 31,  2018<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">false<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_dei_CurrentFiscalYearEndDate', window );">Current Fiscal Year End Date</a></td>
<td class="text">--12-31<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_dei_EntityWellKnownSeasonedIssuer', window );">Is Entity a Well-known Seasoned Issuer?</a></td>
<td class="text">No<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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<tr 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_EntityVoluntaryFilers', window );">Is Entity a Voluntary Filer?</a></td>
<td class="text">No<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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<tr 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_EntityCurrentReportingStatus', window );">Is Entity's Reporting Status Current?</a></td>
<td class="text">Yes<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_dei_EntityEmergingGrowthCompany', window );">Is Entity Emerging Growth Company?</a></td>
<td class="text">false<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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<tr 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_EntityFilerCategory', window );">Entity Filer Category</a></td>
<td class="text">Non-accelerated Filer<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
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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_dei_EntitySmallBusiness', window );">Entity Small Business</a></td>
<td class="text">true<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_dei_EntityPublicFloat', window );">Entity Public Float</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 22,719,323<span></span>
</td>
</tr>
<tr 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_EntityCommonStockSharesOutstanding', window );">Entity Common Stock, Shares Outstanding</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">58,160,718<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">FY<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
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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_dei_DocumentFiscalYearFocus', window );">Document Fiscal Year Focus</a></td>
<td class="text">2018<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_dei_EntityShellCompany', window );">Entity Shell Company</a></td>
<td class="text">false<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</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 );">- 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;">XPL_DocumentAndEntityInformationAbstract</td>
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<td>xbrli:stringItemType</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>If the value is true, then the document is an amendment to previously-filed/accepted document.</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>
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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>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>
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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 is focus fiscal period of the document report. For a first quarter 2006 quarterly report, which may also provide financial information from prior periods, the first fiscal quarter should be given as the fiscal period focus. Values: FY, Q1, Q2, Q3, Q4, H1, H2, M9, T1, T2, T3, M8, CY.</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>
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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>na</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>This is focus fiscal year of the document report in CCYY 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>
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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 );">- 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 CCYY-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>
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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>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>
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<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>dei:submissionTypeItemType</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>
<td>duration</td>
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<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>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</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>
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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_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>
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</table></div>
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<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: (1) Large Accelerated Filer, (2) Accelerated Filer, (3) Non-accelerated Filer, (4) Smaller Reporting Company (Non-accelerated), (5) Smaller Reporting Accelerated Filer or (6) Smaller Reporting Company and Large 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>
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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>
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</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityPublicFloat">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>State aggregate market value of voting and non-voting common equity held by non-affiliates computed by reference to price at which the common equity was last sold, or average bid and asked price of such common equity, as of the last business day of registrant's most recently completed second fiscal quarter. The public float should be reported on the cover page of the registrants form 10K.</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_EntityPublicFloat</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: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_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>Indicate if company meets the shell company criteria: a company with no or nominal operations, and with no or nominal assets or assets consisting solely of cash and cash equivalents.</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 with both a public float and revenues of less than $75 million.</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_EntityVoluntaryFilers">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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' if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act.</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_EntityVoluntaryFilers</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_EntityWellKnownSeasonedIssuer">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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' if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. Is used on Form Type: 10-K, 10-Q, 8-K, 20-F, 6-K, 10-K/A, 10-Q/A, 20-F/A, 6-K/A, N-CSR, N-Q, N-1A.</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_EntityWellKnownSeasonedIssuer</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>
</div>
</body>
</html>
</TEXT>
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<TYPE>XML
<SEQUENCE>18
<FILENAME>R2.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
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<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;">v3.10.0.1</span><table class="report" border="0" cellspacing="2" id="idp6789903024">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Consolidated Balance Sheets - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th"><div>Dec. 31, 2018</div></th>
<th class="th"><div>Dec. 31, 2017</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">$ 117<span></span>
</td>
<td class="nump">$ 214<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_TimeDepositsAtCarryingValue', window );">Short-term investments, at fair value</a></td>
<td class="nump">10,223<span></span>
</td>
<td class="nump">11,642<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AvailableForSaleSecuritiesCurrent', window );">Investments in marketable equity securities, at fair value</a></td>
<td class="nump">1,585<span></span>
</td>
<td class="nump">2,643<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PrepaidExpenseAndOtherAssetsCurrent', window );">Prepaid expenses and other</a></td>
<td class="nump">211<span></span>
</td>
<td class="nump">114<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_AssetsCurrent', window );">Total current assets</a></td>
<td class="nump">12,136<span></span>
</td>
<td class="nump">14,613<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MineralPropertiesNet', window );">Mineral properties</a></td>
<td class="nump">15,657<span></span>
</td>
<td class="nump">15,657<span></span>
</td>
</tr>
<tr class="ro">
<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 assets</a></td>
<td class="nump">110<span></span>
</td>
<td class="nump">125<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PrepaidExpenseAndOtherAssets', window );">Total assets</a></td>
<td class="nump">27,903<span></span>
</td>
<td class="nump">30,395<span></span>
</td>
</tr>
<tr class="ro">
<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="re">
<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 );">Accounts payable</a></td>
<td class="nump">688<span></span>
</td>
<td class="nump">141<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LiabilitiesOtherThanLongTermDebtNoncurrentAbstract', 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="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MineReclamationAndClosingLiabilityNoncurrent', window );">Asset retirement obligation - Lik</a></td>
<td class="nump">125<span></span>
</td>
<td class="nump">125<span></span>
</td>
</tr>
<tr class="ro">
<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>Shareholders&#8217; equity:</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_PreferredStockValue', window );">Preferred stock, $0.01 par value, authorized 10,000,000 shares (none issued and outstanding at December 31, 2018 and 2017)</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_CommonStockValue', window );">Common stock, $0.01 par value, authorized, 100,000,000 shares (58,171,466 and 58,434,566, respectively, shares issued and outstanding at December 31, 2018 and 2017)</a></td>
<td class="nump">582<span></span>
</td>
<td class="nump">584<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AdditionalPaidInCapital', window );">Additional paid-in capital</a></td>
<td class="nump">69,873<span></span>
</td>
<td class="nump">69,312<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetainedEarningsAccumulatedDeficit', window );">Accumulated deficit</a></td>
<td class="num">(43,365)<span></span>
</td>
<td class="num">(40,343)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax', window );">Accumulated Other Comprehensive Income</a></td>
<td class="text"> <span></span>
</td>
<td class="nump">576<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest', window );">Total shareholders' equity</a></td>
<td class="nump">27,090<span></span>
</td>
<td class="nump">30,129<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LiabilitiesAndStockholdersEquity', window );">Total liabilities and shareholders&#146; equity</a></td>
<td class="nump">$ 27,903<span></span>
</td>
<td class="nump">$ 30,395<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_AccumulatedOtherComprehensiveIncomeLossNetOfTax">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.</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 45<br> -Paragraph 11<br> -URI http://asc.fasb.org/extlink&amp;oid=114867106&amp;loc=d3e637-108580<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 45<br> -Paragraph 14A<br> -URI http://asc.fasb.org/extlink&amp;oid=114867106&amp;loc=SL7669686-108580<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 45<br> -Paragraph 14<br> -URI http://asc.fasb.org/extlink&amp;oid=114867106&amp;loc=d3e681-108580<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax</td>
</tr>
<tr>
<td style="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_AdditionalPaidInCapital">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Excess of issue price over par or stated value of the entity's capital stock and amounts received from other transactions involving the entity's stock or stockholders. Includes adjustments to additional paid in capital. Some examples of such adjustments include recording the issuance of debt with a beneficial conversion feature and certain tax consequences of equity instruments awarded to employees. Use this element for the aggregate amount of additional paid-in capital associated with common and preferred stock. For additional paid-in capital associated with only common stock, use the element additional paid in capital, common stock. For additional paid-in capital associated with only preferred stock, use the element additional paid in capital, preferred 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(30)(a)(1))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&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_AdditionalPaidInCapital</td>
</tr>
<tr>
<td style="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_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=82887183&amp;loc=d3e6801-107765<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 210.5-02.9)<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&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 210<br> -SubTopic 10<br> -Section 45<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=82887183&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>
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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><strong> Period Type:</strong></td>
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</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>
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</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AvailableForSaleSecuritiesCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 debt and equity securities categorized neither as trading securities nor held-to-maturity securities and intended be sold or mature one year or operating cycle, if longer.</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_AvailableForSaleSecuritiesCurrent</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>
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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_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=109223946&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=82887183&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=6877327&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_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=6877327&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>
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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>
</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://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=6876686&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 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=6879938&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(32))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&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_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://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=6877327&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_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>
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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>
</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_LiabilitiesOtherThanLongTermDebtNoncurrentAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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_LiabilitiesOtherThanLongTermDebtNoncurrentAbstract</td>
</tr>
<tr>
<td style="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_MineReclamationAndClosingLiabilityNoncurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 reclamation and mine closing liability that is associated with a legal obligation for the closure and reclamation of a mine including the removal of buildings, equipment, machinery and other physical remnants of mining, closure of tailings impoundments, leach pads and other mine features, and contouring, covering and revegetation of waste rock piles and other disturbed areas.</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 450<br> -SubTopic 20<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB TOPIC 5.Y.Q2)<br> -URI http://asc.fasb.org/extlink&amp;oid=27011672&amp;loc=d3e149879-122751<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_MineReclamationAndClosingLiabilityNoncurrent</td>
</tr>
<tr>
<td style="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_MineralPropertiesNet">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Mineral properties, net of adjustments.</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 25<br> -Paragraph 7<br> -URI http://asc.fasb.org/extlink&amp;oid=96866604&amp;loc=d3e64895-109465<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></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_MineralPropertiesNet</td>
</tr>
<tr>
<td style="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=6877327&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_PreferredStockValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 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=6877327&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_PreferredStockValue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
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<td>xbrli:monetaryItemType</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 asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of 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_PrepaidExpenseAndOtherAssets</td>
</tr>
<tr>
<td style="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_PrepaidExpenseAndOtherAssetsCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed within one year or 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(7))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&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 1<br> -URI http://asc.fasb.org/extlink&amp;oid=82887183&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(8))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&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_PrepaidExpenseAndOtherAssetsCurrent</td>
</tr>
<tr>
<td style="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_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=6877327&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)(23)(a)(4))<br> -URI http://asc.fasb.org/extlink&amp;oid=6879938&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 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=27012166&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_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>
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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_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>
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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>
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<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_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://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 45<br> -Paragraph 16<br> -URI http://asc.fasb.org/extlink&amp;oid=108774443&amp;loc=SL4568740-111683<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 55<br> -Paragraph 4I<br> -URI http://asc.fasb.org/extlink&amp;oid=84234705&amp;loc=SL4590271-111686<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 45<br> -Paragraph 15<br> -URI http://asc.fasb.org/extlink&amp;oid=108774443&amp;loc=SL4568447-111683<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><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>
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<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
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</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_TimeDepositsAtCarryingValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Any certificate of deposit or savings account held by a bank or other financial institution for a short-term specified period of time. Because of their short-term, time deposits are considered 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. Generally, only investments with original maturities of three months or less qualify under that definition. Original maturity means original maturity to the entity holding the investment. For example, both a three-month US Treasury bill and a three-year Treasury note purchased three months from maturity qualify as cash equivalents. However, a Treasury note purchased three-years ago does not become a cash equivalent when its remaining maturity is three months.</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 210.5-02.1)<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&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_TimeDepositsAtCarryingValue</td>
</tr>
<tr>
<td style="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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<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
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<span style="display: none;">v3.10.0.1</span><table class="report" border="0" cellspacing="2" id="idp6790041232">
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<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>Dec. 31, 2018</div></th>
<th class="th"><div>Dec. 31, 2017</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_PreferredStockNumberOfSharesParValueAndOtherDisclosuresAbstract', window );"><strong>Preferred stock</strong></a></td>
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<td class="text">&#160;<span></span>
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<td class="nump">$ 0.01<span></span>
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<td class="nump">$ 0.01<span></span>
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<td class="nump">10,000,000<span></span>
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<td class="nump">10,000,000<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_CommonStockNumberOfSharesParValueAndOtherDisclosuresAbstract', window );"><strong>Common stock</strong></a></td>
<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_CommonStockParOrStatedValuePerShare', window );">Common stock, par value</a></td>
<td class="nump">$ 0.01<span></span>
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<td class="nump">$ 0.01<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_CommonStockSharesAuthorized', window );">Common stock, shares authorized</a></td>
<td class="nump">100,000,000<span></span>
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<td class="nump">100,000,000<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_CommonStockSharesIssued', window );">Common stock, shares issued</a></td>
<td class="nump">58,171,466<span></span>
</td>
<td class="nump">58,434,566<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_CommonStockSharesOutstanding', window );">Common stock, shares outstanding</a></td>
<td class="nump">58,171,466<span></span>
</td>
<td class="nump">58,434,566<span></span>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CommonStockNumberOfSharesParValueAndOtherDisclosuresAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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_CommonStockNumberOfSharesParValueAndOtherDisclosuresAbstract</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>xbrli:stringItemType</td>
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<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=6877327&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>
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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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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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=6877327&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>
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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:sharesItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
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<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_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=6877327&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=6877327&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_PreferredStockNumberOfSharesParValueAndOtherDisclosuresAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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_PreferredStockNumberOfSharesParValueAndOtherDisclosuresAbstract</td>
</tr>
<tr>
<td style="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_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=6877327&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=6877327&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>
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<span style="display: none;">v3.10.0.1</span><table class="report" border="0" cellspacing="2" id="idp6792725472">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Consolidated Statements of Operations - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="2">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2018</div></th>
<th class="th"><div>Dec. 31, 2017</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_IncomeStatementAbstract', window );"><strong>Income Statement [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_GainLossOnSaleOfProperties', window );">Revenue &#8211; mineral property sale</a></td>
<td class="nump">$ 502<span></span>
</td>
<td class="text"> <span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CostsAndExpensesAbstract', window );"><strong>Costs, expenses and other</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_XPL_ExplorationExpenseMineralProperties', window );">Exploration expense</a></td>
<td class="nump">1,254<span></span>
</td>
<td class="nump">699<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DepreciationAndAmortization', window );">Depreciation and amortization</a></td>
<td class="nump">25<span></span>
</td>
<td class="nump">13<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_GeneralAndAdministrativeExpense', window );">General and administrative</a></td>
<td class="nump">1,954<span></span>
</td>
<td class="nump">1,202<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_OtherCostAndExpenseOperating', window );">Total costs, expenses and other</a></td>
<td class="nump">3,233<span></span>
</td>
<td class="nump">1,914<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetInvestmentIncome', window );">Interest and dividend income (net)</a></td>
<td class="nump">192<span></span>
</td>
<td class="nump">123<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RealizedGainLossOnMarketableSecuritiesCostMethodInvestmentsAndOtherInvestments', window );">Gain on sale of marketable equity securities</a></td>
<td class="text"> <span></span>
</td>
<td class="nump">578<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_UnrealizedGainLossOnMarketableSecuritiesCostMethodInvestmentsAndOtherInvestments', window );">Unrealized loss on marketable equity securities</a></td>
<td class="num">(1,058)<span></span>
</td>
<td class="text"> <span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_GainLossOnDerivativeInstrumentsHeldForTradingPurposesNet', window );">Gain on derivative instruments</a></td>
<td class="text"> <span></span>
</td>
<td class="nump">271<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_GainLossOnDispositionOfAssets1', window );">Loss on sale of assets</a></td>
<td class="num">(1)<span></span>
</td>
<td class="text"> <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_OtherNonrecurringIncomeExpense', window );">Total other income (expense)</a></td>
<td class="num">(867)<span></span>
</td>
<td class="nump">972<span></span>
</td>
</tr>
<tr class="ro">
<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="nump">$ 3,598<span></span>
</td>
<td class="nump">$ 942<span></span>
</td>
</tr>
<tr class="re">
<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</a></td>
<td class="num">$ (0.06)<span></span>
</td>
<td class="num">$ (0.02)<span></span>
</td>
</tr>
<tr class="ro">
<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 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_WeightedAverageNumberOfShareOutstandingBasicAndDiluted', window );">Basic and diluted</a></td>
<td class="nump">58,360<span></span>
</td>
<td class="nump">47,990<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_XPL_ExplorationExpenseMineralProperties">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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;">XPL_ExplorationExpenseMineralProperties</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>XPL_</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_CostsAndExpensesAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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_CostsAndExpensesAbstract</td>
</tr>
<tr>
<td style="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_DepreciationAndAmortization">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production.</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=109223946&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_DepreciationAndAmortization</td>
</tr>
<tr>
<td style="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_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=109260490&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_GainLossOnDerivativeInstrumentsHeldForTradingPurposesNet">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 and losses (whether realized or unrealized) on all derivative instruments held for trading purposes whether or not settled physically.</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 4F<br> -URI http://asc.fasb.org/extlink&amp;oid=109980867&amp;loc=SL5624186-113959<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 815<br> -SubTopic 10<br> -Section 45<br> -Paragraph 9<br> -URI http://asc.fasb.org/extlink&amp;oid=6945355&amp;loc=d3e41322-113958<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_GainLossOnDerivativeInstrumentsHeldForTradingPurposesNet</td>
</tr>
<tr>
<td style="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_GainLossOnDispositionOfAssets1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 gain (loss) on sale or disposal of assets, including but not limited to property plant and equipment, intangible assets and equity in securities of subsidiaries or equity method investee.</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 28<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=109223946&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_GainLossOnDispositionOfAssets1</td>
</tr>
<tr>
<td style="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_GainLossOnSaleOfProperties">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 difference between the carrying value and the sale price of real estate or properties that were intended to be sold or held for capital appreciation or rental income. This element refers to the gain (loss) included in earnings and not to the cash proceeds of the sale. This element is a noncash adjustment to net income when calculating net cash generated by operating activities using the indirect method.</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 360<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=109226691&amp;loc=d3e2941-110230<br><br>Reference 2: 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 28<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=109223946&amp;loc=d3e3602-108585<br><br>Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 45<br> -Paragraph 5<br> -URI http://asc.fasb.org/extlink&amp;oid=109226348&amp;loc=d3e2443-110228<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_GainLossOnSaleOfProperties</td>
</tr>
<tr>
<td style="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_GeneralAndAdministrativeExpense">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 of expenses of managing and administering the affairs of an entity, including affiliates of the reporting entity, which are 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>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=115205541&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_GeneralAndAdministrativeExpense</td>
</tr>
<tr>
<td style="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_IncomeStatementAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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_IncomeStatementAbstract</td>
</tr>
<tr>
<td style="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_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=114867106&amp;loc=SL7669619-108580<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 220<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-04(22))<br> -URI http://asc.fasb.org/extlink&amp;oid=114873765&amp;loc=SL114874048-224260<br><br>Reference 3: 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=114867106&amp;loc=SL7669625-108580<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 220<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-04(18))<br> -URI http://asc.fasb.org/extlink&amp;oid=114873790&amp;loc=SL114874131-224263<br><br>Reference 5: 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(20))<br> -URI http://asc.fasb.org/extlink&amp;oid=115205541&amp;loc=SL114868664-224227<br><br>Reference 6: 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=109223946&amp;loc=d3e3602-108585<br><br>Reference 7: 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> -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_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_NetInvestmentIncome">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 investment expense, of income earned from investments in securities and real estate. Includes, but is not limited to, real estate investment, policy loans, dividends, and interest. Excludes realized gain (loss) on 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 944<br> -SubTopic 220<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-04(2))<br> -URI http://asc.fasb.org/extlink&amp;oid=114873790&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_NetInvestmentIncome</td>
</tr>
<tr>
<td style="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_OtherCostAndExpenseOperating">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 other operating cost and expense items that are associated with the entity's normal revenue producing 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 220<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03.3)<br> -URI http://asc.fasb.org/extlink&amp;oid=115205541&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_OtherCostAndExpenseOperating</td>
</tr>
<tr>
<td style="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_OtherNonrecurringIncomeExpense">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 other expense (income) that is infrequent in occurrence or unusual in nature.</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 20<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=114868883&amp;loc=SL114871943-224233<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OtherNonrecurringIncomeExpense</td>
</tr>
<tr>
<td style="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_RealizedGainLossOnMarketableSecuritiesCostMethodInvestmentsAndOtherInvestments">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 item represents the total realized gain (loss) included in earnings for the period as a result of selling marketable securities categorized as trading, available-for-sale, or held-to-maturity and any gains or losses realized during the period from the sale of investments accounted for under the cost method of accounting and/or investments that are separately or otherwise not categorized as trading, available-for-sale, or held-to-maturity. Additionally, this item would include any losses recognized for other than temporary impairments (OTTI) of the subject investments in debt and equity 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;">us-gaap_RealizedGainLossOnMarketableSecuritiesCostMethodInvestmentsAndOtherInvestments</td>
</tr>
<tr>
<td style="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_UnrealizedGainLossOnMarketableSecuritiesCostMethodInvestmentsAndOtherInvestments">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 net change in the difference between the fair value and the carrying value, or in the comparative fair values, of marketable securities categorized as trading held at each balance sheet date, that was included in earnings for the period, which may have arisen from (a) securities classified as trading, (b) the unrealized holding gain (loss) on held-to-maturity securities transferred to the trading security category, and (c) the cumulative unrealized gain (loss) which was included in other comprehensive income (a separate component of shareholders' equity) on available-for-sale securities transferred to trading securities during the period and/or any unrealized gains or losses on investments that are separately or otherwise not categorized as trading or available-for-sale.</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_UnrealizedGainLossOnMarketableSecuritiesCostMethodInvestmentsAndOtherInvestments</td>
</tr>
<tr>
<td style="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_WeightedAverageNumberOfShareOutstandingBasicAndDiluted">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Average number of shares or units issued and outstanding that are used in calculating basic and diluted earnings per share (EPS).</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_WeightedAverageNumberOfShareOutstandingBasicAndDiluted</td>
</tr>
<tr>
<td style="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>
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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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<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Consolidated Statements of Comprehensive Loss - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="2">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2018</div></th>
<th class="th"><div>Dec. 31, 2017</div></th>
</tr>
<tr class="re">
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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">$ 3,598<span></span>
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<td class="nump">$ 942<span></span>
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</tr>
<tr class="re">
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MarketableSecuritiesUnrealizedGainLoss', window );">Unrealized gain (loss) on marketable equity securities, net of deferred taxes</a></td>
<td class="num">(1,058)<span></span>
</td>
<td class="num">(136)<span></span>
</td>
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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_OtherComprehensiveIncomeLossNetOfTax', window );">Comprehensive loss</a></td>
<td class="num">$ (3,598)<span></span>
</td>
<td class="num">$ (1,078)<span></span>
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</tr>
</table>
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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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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of unrealized gain (loss) on investment in marketable 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 220<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03(7)(c))<br> -URI http://asc.fasb.org/extlink&amp;oid=115205541&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>
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<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=114867106&amp;loc=SL7669619-108580<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 220<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-04(22))<br> -URI http://asc.fasb.org/extlink&amp;oid=114873765&amp;loc=SL114874048-224260<br><br>Reference 3: 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=114867106&amp;loc=SL7669625-108580<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 220<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-04(18))<br> -URI http://asc.fasb.org/extlink&amp;oid=114873790&amp;loc=SL114874131-224263<br><br>Reference 5: 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(20))<br> -URI http://asc.fasb.org/extlink&amp;oid=115205541&amp;loc=SL114868664-224227<br><br>Reference 6: 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=109223946&amp;loc=d3e3602-108585<br><br>Reference 7: 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> -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>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount after tax and reclassification adjustments of other comprehensive income (loss).</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 (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=114867106&amp;loc=SL7669619-108580<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 220<br> -SubTopic 10<br> -Section 55<br> -Paragraph 15<br> -URI http://asc.fasb.org/extlink&amp;oid=109228884&amp;loc=d3e1436-108581<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 1B<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=114867106&amp;loc=SL7669625-108580<br></p></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 );">- 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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<html>
<head>
<title></title>
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<span style="display: none;">v3.10.0.1</span><table class="report" border="0" cellspacing="2" id="idp6790565120">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Consolidated Statements of Shareholders' Equity - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th"><div>Common Stock</div></th>
<th class="th"><div>Additional Paid-In Capital</div></th>
<th class="th"><div>Retained Earnings / Accumulated Deficit</div></th>
<th class="th"><div>Other Comprehensive Income / Loss</div></th>
<th class="th"><div>Total</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_StockholdersEquity', window );">Beginning balance, value at Dec. 31, 2016</a></td>
<td class="nump">$ 387<span></span>
</td>
<td class="nump">$ 55,790<span></span>
</td>
<td class="num">$ (39,401)<span></span>
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<td class="nump">$ 712<span></span>
</td>
<td class="nump">$ 17,488<span></span>
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</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_SharesIssued', window );">Beginning balance, shares at Dec. 31, 2016</a></td>
<td class="nump">38,693,589<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<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_StockIssuedDuringPeriodValueAcquisitions', window );">Issuance of shares- acquisition, value</a></td>
<td class="nump">$ 198<span></span>
</td>
<td class="nump">13,456<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">13,654<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockIssuedDuringPeriodSharesAcquisitions', window );">Issuance of shares- acquisition, shares</a></td>
<td class="nump">19,788,177<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<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_XPL_CostReplacementOptionsIssuedAcquisition', window );">Replacement options</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">164<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">164<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition', window );">Stock option expense</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">50<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">50<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockRepurchasedAndRetiredDuringPeriodValue', window );">Repurchase of shares for cancellation, value</a></td>
<td class="num">$ (1)<span></span>
</td>
<td class="num">(31)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(32)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockRepurchasedAndRetiredDuringPeriodShares', window );">Repurchase of shares for cancellation, shares</a></td>
<td class="num">(47,200)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<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="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(942)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(942)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetRealizedOrUnrealizedGainLossOnTradingSecurities', window );">Net unrealized loss on marketable equity securities (net of deferred taxes)</a></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">(136)<span></span>
</td>
<td class="num">(136)<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_StockholdersEquity', window );">Ending balance, value at Dec. 31, 2017</a></td>
<td class="nump">$ 584<span></span>
</td>
<td class="nump">69,312<span></span>
</td>
<td class="num">(40,343)<span></span>
</td>
<td class="nump">576<span></span>
</td>
<td class="nump">30,129<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_SharesIssued', window );">Ending balance, shares at Dec. 31, 2017</a></td>
<td class="nump">58,434,566<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<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_NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfChangeOnNetIncome', window );">Cumulateve-effect adjustment change in accounting principle</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">576<span></span>
</td>
<td class="num">$ (576)<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_StockIssuedDuringPeriodValueAcquisitions', window );">Issuance of shares- acquisition, value</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text"> <span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition', window );">Stock option expense</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">660<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">660<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockRepurchasedAndRetiredDuringPeriodValue', window );">Repurchase of shares for cancellation, value</a></td>
<td class="num">$ (2)<span></span>
</td>
<td class="num">(99)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(101)<span></span>
</td>
</tr>
<tr class="re">
<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="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(3,598)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(3,598)<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_StockholdersEquity', window );">Ending balance, value at Dec. 31, 2018</a></td>
<td class="nump">$ 582<span></span>
</td>
<td class="nump">$ 69,873<span></span>
</td>
<td class="num">$ (43,365)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 27,090<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_XPL_CostReplacementOptionsIssuedAcquisition">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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;">XPL_CostReplacementOptionsIssuedAcquisition</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>XPL_</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_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 to additional paid-in capital (APIC) from recognition of equity-based compensation for stock options.</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_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition</td>
</tr>
<tr>
<td style="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_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=114867106&amp;loc=SL7669619-108580<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 220<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-04(22))<br> -URI http://asc.fasb.org/extlink&amp;oid=114873765&amp;loc=SL114874048-224260<br><br>Reference 3: 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=114867106&amp;loc=SL7669625-108580<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 220<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-04(18))<br> -URI http://asc.fasb.org/extlink&amp;oid=114873790&amp;loc=SL114874131-224263<br><br>Reference 5: 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(20))<br> -URI http://asc.fasb.org/extlink&amp;oid=115205541&amp;loc=SL114868664-224227<br><br>Reference 6: 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=109223946&amp;loc=d3e3602-108585<br><br>Reference 7: 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> -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_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_NetRealizedOrUnrealizedGainLossOnTradingSecurities">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 sum of the realized and unrealized net gain (loss) on trading securities 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_NetRealizedOrUnrealizedGainLossOnTradingSecurities</td>
</tr>
<tr>
<td style="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_NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfChangeOnNetIncome">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 effect of a change in accounting principle on net 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 250<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (b)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=109234566&amp;loc=d3e22499-107794<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 250<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=109234566&amp;loc=d3e22580-107794<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<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></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfChangeOnNetIncome</td>
</tr>
<tr>
<td style="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_SharesIssued">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 stock issued as of the balance sheet date, including shares that had been issued and were previously outstanding but which are now 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 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></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_SharesIssued</td>
</tr>
<tr>
<td style="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_StockIssuedDuringPeriodSharesAcquisitions">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 stock issued during the period pursuant to acquisitions.</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=6877327&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 S99<br> -Paragraph 1<br> -Subparagraph (SX 210.3-04)<br> -URI http://asc.fasb.org/extlink&amp;oid=27012166&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(28))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&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_StockIssuedDuringPeriodSharesAcquisitions</td>
</tr>
<tr>
<td style="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_StockIssuedDuringPeriodValueAcquisitions">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 pursuant to acquisitions 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 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=27012166&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=6877327&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_StockIssuedDuringPeriodValueAcquisitions</td>
</tr>
<tr>
<td style="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_StockRepurchasedAndRetiredDuringPeriodShares">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 that have been repurchased and retired 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(28))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&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 S99<br> -Paragraph 1<br> -Subparagraph (SX 210.3-04)<br> -URI http://asc.fasb.org/extlink&amp;oid=27012166&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))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&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 2<br> -URI http://asc.fasb.org/extlink&amp;oid=109259400&amp;loc=d3e21463-112644<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_StockRepurchasedAndRetiredDuringPeriodShares</td>
</tr>
<tr>
<td style="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_StockRepurchasedAndRetiredDuringPeriodValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 impact of the value of stock that has been repurchased and retired during the period. The excess of the purchase price over par value can be charged against retained earnings (once the excess is fully allocated to additional 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(28))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&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(29))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&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 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 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 S99<br> -Paragraph 1<br> -Subparagraph (SX 210.3-04)<br> -URI http://asc.fasb.org/extlink&amp;oid=27012166&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_StockRepurchasedAndRetiredDuringPeriodValue</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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<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_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://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 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(31))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&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 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=6877327&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(30))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&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_StockholdersEquity</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>
<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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<span style="display: none;">v3.10.0.1</span><table class="report" border="0" cellspacing="2" id="idp6790504432">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Consolidated Statements of Cash Flows - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="2">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2018</div></th>
<th class="th"><div>Dec. 31, 2017</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>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_NetIncomeLoss', window );">Net loss</a></td>
<td class="num">$ (3,598)<span></span>
</td>
<td class="num">$ (942)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract', window );"><strong>Adjustments to reconcile net loss to net cash used in 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 custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_XPL_UnrealizedGainLossOnMarketableSecuritiesCostMethodInvestmentsAndOtherInvestments1', window );">Unrealized loss on marketable equity securities</a></td>
<td class="nump">1,058<span></span>
</td>
<td class="text"> <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_XPL_RealizedGainLossOnMarketableSecuritiesCostMethodInvestmentsAndOtherInvestments1', window );">Gain on sale of marketable equity securities</a></td>
<td class="text"> <span></span>
</td>
<td class="num">(578)<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_XPL_GainLossOnDerivativeInstrumentsHeldForTradingPurposesNet1', window );">Gain on derivative instruments</a></td>
<td class="text"> <span></span>
</td>
<td class="num">(271)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockOptionPlanExpense', window );">Employee stock option expense</a></td>
<td class="nump">660<span></span>
</td>
<td class="nump">50<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DepreciationAndAmortization', window );">Depreciation and amortization</a></td>
<td class="nump">25<span></span>
</td>
<td class="nump">13<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_GainLossOnSaleOfOtherAssets', window );">Loss on sale of assets</a></td>
<td class="nump">1<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_IncreaseDecreaseInOperatingAssetsAbstract', window );"><strong>Changes in operating assets and liabilities:</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_IncreaseDecreaseInPrepaidExpense', window );">Prepaid expenses and other current assets</a></td>
<td class="num">(50)<span></span>
</td>
<td class="nump">52<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities', window );">Accounts payable and other current liabilities</a></td>
<td class="nump">547<span></span>
</td>
<td class="nump">18<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 in) operating activities</a></td>
<td class="num">(1,357)<span></span>
</td>
<td class="num">(1,658)<span></span>
</td>
</tr>
<tr class="ro">
<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>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_PaymentsToAcquireAvailableForSaleSecuritiesEquity', window );">Sale of short-term investments - net</a></td>
<td class="nump">1,371<span></span>
</td>
<td class="nump">3,563<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncreaseDecreaseInAccountsReceivableRelatedParties', window );">Loan to Zazu</a></td>
<td class="text"> <span></span>
</td>
<td class="num">(1,500)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired', window );">Purchase of Zazu, net of cash acquired</a></td>
<td class="text"> <span></span>
</td>
<td class="num">(417)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PaymentsForProceedsFromAvailableforsaleSecuritiesShortterm', window );">Purchase of marketable equity securities</a></td>
<td class="text"> <span></span>
</td>
<td class="num">(578)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProceedsFromSaleAndMaturityOfMarketableSecurities', window );">Proceeds from sale of marketable equity securities</a></td>
<td class="text"> <span></span>
</td>
<td class="nump">666<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProceedsFromDerivativeInstrumentInvestingActivities', window );">Sale of derivative instrument, net</a></td>
<td class="text"> <span></span>
</td>
<td class="nump">53<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AdditionsToOtherAssetsAmount', window );">Additions to other assets</a></td>
<td class="num">(10)<span></span>
</td>
<td class="num">(2)<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 provided by investing activities</a></td>
<td class="nump">1,361<span></span>
</td>
<td class="nump">1,785<span></span>
</td>
</tr>
<tr class="re">
<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>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_PaymentsForRepurchaseOfCommonStock', window );">Repurchase of Solitario common stock for cancellation</a></td>
<td class="num">(101)<span></span>
</td>
<td class="num">(32)<span></span>
</td>
</tr>
<tr class="re">
<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 used in financing activities</a></td>
<td class="num">(101)<span></span>
</td>
<td class="num">(32)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect', window );">Net (decrease) increase in cash and cash equivalents</a></td>
<td class="num">(97)<span></span>
</td>
<td class="nump">95<span></span>
</td>
</tr>
<tr class="re">
<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, beginning of year</a></td>
<td class="nump">214<span></span>
</td>
<td class="nump">119<span></span>
</td>
</tr>
<tr class="ro">
<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, end of year</a></td>
<td class="nump">117<span></span>
</td>
<td class="nump">214<span></span>
</td>
</tr>
<tr class="re">
<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>Supplemental disclosure of non-cash 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_PropertyPlantAndEquipmentAdditions', window );">Additions to mining equipment &#8211;Zazu, through issuance of stock in Acquisition</a></td>
<td class="text"> <span></span>
</td>
<td class="num">(100)<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_XPL_MineralPropertyAdditions', window );">Additions to mineral property- Zazu, through issuance of stock in Acquisition</a></td>
<td class="text"> <span></span>
</td>
<td class="num">(15,611)<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_XPL_AdditionsToCurrentAssets', window );">Additions to current assets, net &#8211; Zazu, through issuance of stock in Acquisition</a></td>
<td class="text"> <span></span>
</td>
<td class="num">(42)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockIssuedDuringPeriodValueAcquisitions', window );">Issuance of common stock &#8211; Zazu acquisition</a></td>
<td class="text"> <span></span>
</td>
<td class="nump">13,654<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_XPL_DebtInstrumentConvertibleCancelled', window );">Convertible debenture &#8211; due from Zazu cancelled</a></td>
<td class="text"> <span></span>
</td>
<td class="nump">1,510<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ReclamationAndMineShutdownProvision', window );">Asset retirement obligation - Lik</a></td>
<td class="text"> <span></span>
</td>
<td class="nump">125<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_XPL_StockOptionsIssuedDuringPeriodValueAcquisitions', window );">Issuance of replacement options &#8211; Zazu</a></td>
<td class="text"> <span></span>
</td>
<td class="nump">164<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_XPL_TransferWarrantValueUponExercise', window );">Transfer of warrant value to marketable equity securities on exercise of Vendetta Warrants</a></td>
<td class="text"> <span></span>
</td>
<td class="nump">$ 949<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_XPL_AdditionsToCurrentAssets">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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;">XPL_AdditionsToCurrentAssets</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>XPL_</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_XPL_DebtInstrumentConvertibleCancelled">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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;">XPL_DebtInstrumentConvertibleCancelled</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>XPL_</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_XPL_GainLossOnDerivativeInstrumentsHeldForTradingPurposesNet1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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;">XPL_GainLossOnDerivativeInstrumentsHeldForTradingPurposesNet1</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>XPL_</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_XPL_MineralPropertyAdditions">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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;">XPL_MineralPropertyAdditions</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>XPL_</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_XPL_RealizedGainLossOnMarketableSecuritiesCostMethodInvestmentsAndOtherInvestments1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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;">XPL_RealizedGainLossOnMarketableSecuritiesCostMethodInvestmentsAndOtherInvestments1</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>XPL_</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_XPL_StockOptionsIssuedDuringPeriodValueAcquisitions">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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;">XPL_StockOptionsIssuedDuringPeriodValueAcquisitions</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>XPL_</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_XPL_TransferWarrantValueUponExercise">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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;">XPL_TransferWarrantValueUponExercise</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>XPL_</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_XPL_UnrealizedGainLossOnMarketableSecuritiesCostMethodInvestmentsAndOtherInvestments1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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;">XPL_UnrealizedGainLossOnMarketableSecuritiesCostMethodInvestmentsAndOtherInvestments1</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>XPL_</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_AdditionsToOtherAssetsAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 significant additions in the period in other assets (current, noncurrent, or unclassified).</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=6877327&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_AdditionsToOtherAssetsAmount</td>
</tr>
<tr>
<td style="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_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract</td>
</tr>
<tr>
<td style="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_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=109223946&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=82887183&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=6877327&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_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage; excluding 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=109223946&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_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect</td>
</tr>
<tr>
<td style="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_DepreciationAndAmortization">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production.</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=109223946&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_DepreciationAndAmortization</td>
</tr>
<tr>
<td style="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_GainLossOnSaleOfOtherAssets">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 gain (loss) on sale or disposal of other 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/2009/role/commonPracticeRef<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=109223946&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_GainLossOnSaleOfOtherAssets</td>
</tr>
<tr>
<td style="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_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 amounts payable to vendors for goods and services received and the amount of obligations and expenses incurred but not 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=109223946&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_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities</td>
</tr>
<tr>
<td style="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_IncreaseDecreaseInAccountsReceivableRelatedParties">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 amount due to the reporting entity for good and services provided to the following types of related parties: a parent company and its subsidiaries; subsidiaries of a common parent; an entity and trust for the benefit of employees, such as pension and profit-sharing trusts that are managed by or under the trusteeship of the entity's management, an entity and its principal owners, management, member of their immediate families, affiliates, or other parties with the ability to exert significant influence.</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=109223946&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>
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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 );">- 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>
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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 increase (decrease) during the reporting period in the amount of outstanding money paid in advance for goods or services that bring economic benefits for future periods.</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=109223946&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_IncreaseDecreaseInPrepaidExpense</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>
<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>
</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=109223946&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>
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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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<td><strong> Balance Type:</strong></td>
<td>na</td>
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<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=109223946&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>
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<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>
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<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
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<td><strong> Balance Type:</strong></td>
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<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=109223946&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=109223946&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=109223946&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>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
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<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_NetCashProvidedByUsedInOperatingActivitiesAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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_NetCashProvidedByUsedInOperatingActivitiesAbstract</td>
</tr>
<tr>
<td style="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>
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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_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=114867106&amp;loc=SL7669619-108580<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 220<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-04(22))<br> -URI http://asc.fasb.org/extlink&amp;oid=114873765&amp;loc=SL114874048-224260<br><br>Reference 3: 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=114867106&amp;loc=SL7669625-108580<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 220<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-04(18))<br> -URI http://asc.fasb.org/extlink&amp;oid=114873790&amp;loc=SL114874131-224263<br><br>Reference 5: 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(20))<br> -URI http://asc.fasb.org/extlink&amp;oid=115205541&amp;loc=SL114868664-224227<br><br>Reference 6: 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=109223946&amp;loc=d3e3602-108585<br><br>Reference 7: 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> -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_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_PaymentsForProceedsFromAvailableforsaleSecuritiesShortterm">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 outflow (inflow) through acquisition (sale) of short-term available-for-sale securities.</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 12<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=109223946&amp;loc=d3e3179-108585<br><br>Reference 2: 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 9<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=109223946&amp;loc=d3e3098-108585<br><br>Reference 3: 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 13<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=109223946&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_PaymentsForProceedsFromAvailableforsaleSecuritiesShortterm</td>
</tr>
<tr>
<td 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>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_PaymentsForRepurchaseOfCommonStock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 to reacquire common stock 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 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 15<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=109223946&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_PaymentsForRepurchaseOfCommonStock</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>
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<tr>
<td><strong> Balance 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_us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesEquity">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 to acquire equity securities classified as available-for-sale securities, because they are not classified as trading securities.</p></div>
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<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 );">+ 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>Value of stock issued pursuant to acquisitions during the period.</p></div>
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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 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=109223946&amp;loc=d3e3602-108585<br></p></div>
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<span style="display: none;">v3.10.0.1</span><table class="report" border="0" cellspacing="2" id="idp6785861968">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Business and Summary of Significan Accounting Policies<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr><th class="th"><div>Dec. 31, 2018</div></th></tr>
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<td class="text"><p style="margin: 0pt"></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0 0.5in; text-indent: -0.5in">1. <u>Business and Summary of Significant
Accounting Policies</u></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0"><i>Business and company formation</i></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Solitario Zinc Corp. (&#8220;Solitario,&#8221;
&#8220;Company&#8221;) is an exploration stage company as defined in Industry Guide 7, as issued by the United States Securities
and Exchange Commission (&#8220;SEC&#8221;). Solitario was incorporated in the state of Colorado on November 15, 1984 as a wholly-owned
subsidiary of Crown Resources Corporation (&#34;Crown&#34;). In July 1994, Solitario became a publicly traded company on the Toronto
Stock Exchange (the &#34;TSX&#34;) through its initial public offering. Solitario has been actively involved in mineral exploration
since 1993. Solitario&#8217;s primary business is to acquire exploration mineral properties and/or discover economic deposits on
its mineral properties and advance these deposits, either on its own or through joint ventures, up to the development stage. At
that point, or sometime prior to that point, Solitario would likely attempt to sell its mineral properties, pursue their development
either on its own, or through a joint venture with a partner that has expertise in mining operations, or create a royalty with
a third party that continues to advance the property. As a result of the Acquisition (defined below), Solitario is now primarily
focused on the acquisition and exploration of zinc-related exploration mineral properties. In addition to focusing on its mineral
exploration properties and the evaluation of mineral properties, Solitario also evaluates potential strategic corporate transactions
for the potential acquisition of new precious and base metal properties and assets with exploration potential or business combinations
that Solitario determines to be favorable to Solitario.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0"><u>Purchase of Zazu</u></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">On July 12, 2017, Solitario completed the acquisition
of Zazu Metals Corp. (&#8220;Zazu&#8221;) pursuant to a definitive arrangement agreement between Solitario and Zazu (the &#34;Arrangement
Agreement&#34;) whereby Solitario agreed to acquire all of the issued and outstanding common shares of Zazu (the &#34;Zazu Shares&#34;)
by way of a statutory plan of arrangement (the &#34;Arrangement&#34;) under the <i>Canada Business Corporations Act</i> (the &#8220;Acquisition&#8221;).
The Arrangement was approved by the Ontario (Canada) Superior Court of Justice on July 7, 2017. Per the Arrangement, Solitario
issued 19,788,177 shares of its common stock on July 12, 2017 in exchange for all of the issued and outstanding Zazu Shares, which
represented 0.3572 shares of Solitario common stock for each outstanding Zazu Share. Solitario granted stock options to acquire
an aggregate of 1,782,428 shares of Solitario common stock to Zazu option holders the (&#8220;Replacement Options&#8221;) in connection
with the Acquisition. The total purchase price of $16,110,000, recorded during the year ended December 31, 2017, is detailed below.
Results of operations for Zazu are included in Solitario&#8217;s consolidated financial statements from the date of the Acquisition.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<table cellspacing="0" cellpadding="0" style="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
<tr>
    <td style="vertical-align: top; width: 85%; padding-right: 5.4pt; padding-left: 5.4pt">(in thousands)</td>
    <td style="vertical-align: bottom; width: 15%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">July 12,</td></tr>
<tr>
    <td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt">&#160;</td>
    <td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">2017</td></tr>
<tr>
    <td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt">Issuance of 19,788,177 shares of Solitario common stock</td>
    <td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">$13,654</td></tr>
<tr>
    <td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt">Replacement options</td>
    <td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">164</td></tr>
<tr>
    <td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt">Investment banking and transaction costs</td>
    <td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">782</td></tr>
<tr>
    <td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt">Convertible debenture due Solitario, cancelled</td>
    <td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">1,510</td></tr>
<tr>
    <td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt">Total purchase price</td>
    <td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">$16,110</td></tr>
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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">The Acquisition was treated as an asset purchase.
Accordingly, as the purchase of an asset (essentially the interest in the Lik project in Alaska) Solitario capitalized related
transaction costs associated with the Acquisition, including the following costs:</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

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<tr>
    <td style="vertical-align: top; width: 85%; padding-right: 5.4pt; padding-left: 5.4pt">(in thousands)</td>
    <td style="vertical-align: bottom; width: 15%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">July 12,</td></tr>
<tr>
    <td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt">&#160;</td>
    <td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">2017</td></tr>
<tr>
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<tr>
    <td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt">Legal and accounting costs</td>
    <td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">196&#160;</td></tr>
<tr>
    <td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt">Other costs and fees</td>
    <td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">34&#160;</td></tr>
<tr>
    <td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt">Total capitalized transaction costs</td>
    <td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">$782&#160;</td></tr>
</table>
<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">The purchase price was allocated to the assets
and liabilities acquired from Zazu on the date of the Acquisition as follows:</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<table cellspacing="0" cellpadding="0" style="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
<tr>
    <td style="vertical-align: top; width: 85%; padding-right: 5.4pt; padding-left: 5.4pt">(in thousands)</td>
    <td style="vertical-align: bottom; width: 15%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">July 12,</td></tr>
<tr>
    <td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt">&#160;</td>
    <td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">2017</td></tr>
<tr>
    <td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt">Cash</td>
    <td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">&#160;&#160;$974&#160;</td></tr>
<tr>
    <td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt">Other current assets</td>
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<tr>
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    <td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">&#160;&#160;100&#160;</td></tr>
<tr>
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<tr>
    <td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt">Accounts payable</td>
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<tr>
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<tr>
    <td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt">Total purchase price</td>
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</table>
<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">The cash transaction costs less the cash acquired
are shown as the cash transaction costs for the year ended December 31, 2017 on the consolidated statement of cash flows. Solitario
also incurred stock issuance costs of $117,000, related to the Acquisition, which were charged to equity.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Solitario has recorded revenue in the past from
the sale of mineral property, including the sale on April 26, 2018 of its interest in the royalty on the Yanacocha property (discussed
below) and the sale in 2015 of its former interest in Mount Hamilton LLC the owner of its former Mt. Hamilton project (the &#8220;Mt.
Hamilton Transaction&#8221;), and joint venture property payments and the sale of a royalty on its former Mt. Hamilton project.
Revenues from the sale or joint venture of properties, although significant when they occur, have not been a consistent annual
source of revenue and would only occur in the future, if at all, on an infrequent basis.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Solitario currently considers its carried interest
in the Florida Canyon project and its interest in the Lik project to be its core mineral property assets. Nexa Resources, Ltd.
(&#8220;Nexa&#8221;), Solitario&#8217;s joint venture partner, is expected to continue the development and furtherance of the Florida
Canyon project and Solitario is monitoring progress at Florida Canyon. Solitario is working with its 50% joint venture partner,
Teck American Incorporated, a wholly-owned subsidiary of Teck Resources Limited (both companies are referred to as &#8220;Teck&#8221;),
in the Lik deposit to further the exploration and evaluate potential development plans for the Lik project.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"><font style="color: windowtext">As of December
31, 2018, Solitario has significant balances of cash and short-term investments that Solitario anticipates using, in part, to further
the development of the Florida Canyon project and the Lik project and to potentially acquire additional mineral property assets.
The</font> fluctuations in precious metal and other commodity prices has contributed to a challenging environment for mineral exploration
and development, which has created opportunities as well as challenges for the potential acquisition of early-stage and advanced
mineral exploration projects or other related assets at potentially attractive terms.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0"><i>Financial reporting</i></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">The consolidated financial statements include
the accounts of Solitario and its wholly-owned subsidiaries. All significant intercompany accounts and transactions have been eliminated
in consolidation. The consolidated financial statements are prepared in accordance with accounting principles generally accepted
in the United States of America (&#34;generally accepted accounting principles&#34;) and are expressed in US dollars.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0"><i>&#160;</i></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0"><i>Revenue recognition</i></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Solitario adopted ASU 2014-09 (defined below
under &#8220;Recent accounting pronouncements&#8221;) on January 1, 2018. ASU 2014-09 primarily impacts revenue recognition based
upon the timing of transfer of control of goods and services sold. Historically Solitario has recorded revenue from the sale of
exploration mineral properties and joint venture property payments. Solitario&#8217;s policy is to recognize revenue from the sale
of its exploration mineral properties (those without reserves) on a property by property basis, computed as the cash received and
/ or collectable receivables less any capitalized cost. Payments received for the sale of exploration property interests that are
less than the properties cost are recorded as a reduction of the related property's capitalized cost.  In addition, Solitario&#8217;s policy is to recognize revenue on any receipts of joint venture property payments in excess
of its capitalized costs on a property that Solitario may lease to another mining company.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Solitario has recognized revenue during 2018
for the first time in more than five years from the sale of an exploration mineral property, and expects, any property sales in
the future to also be on an infrequent basis. The last proceeds from joint venture property payments was in 2015 and Solitario
does not expect to record joint venture property payments on any of its currently held properties for the foreseeable future. Historically,
Solitario&#8217;s revenues have been infrequent and significant individual transactions and have only been from sales to well known
or vetted mining companies. Solitario has never had a return on any of its sales recorded as revenue in its history and does not
anticipate it will recognize any estimated returns on its current or future recorded revenues. The adoption of ASU 2014-09 had
no impact on Solitario&#8217;s recorded revenues for the year ended December 31, 2018 or 2017. Solitario recorded the revenue of
$502,000 from the sale of the Yanacocha Royalty in accordance with ASU 2014-09.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0"><i>Use of estimates</i></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">The preparation of financial statements in conformity
with generally accepted accounting principles requires management to make estimates and assumptions that affect the reported amounts
of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported
amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates. Some of the more
significant estimates included in the preparation of Solitario's financial statements pertain to: (i) Solitario&#8217;s carrying
value of short-term investments; (ii) the recoverability of mineral properties related to its mineral exploration properties and
their future exploration potential; (iii) the fair value of stock option grants to employees; (iv) the ability of Solitario to
realize its deferred tax assets; and (v) Solitario's investment in marketable equity securities.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">In performing its activities, Solitario has
incurred certain costs for mineral properties. The recovery of these costs is ultimately dependent upon the sale of mineral property
interests or the development of economically recoverable ore reserves and the ability of Solitario to obtain the necessary permits
and financing to successfully place the properties into production, and upon future profitable operations, none of which is assured.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0"><i>Cash and cash equivalents </i></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Cash equivalents include investments in highly
liquid money-market securities with original maturities of three months or less when purchased. At December 31, 2018, approximately
$113,000 of Solitario&#8217;s cash and cash equivalents are held in brokerage accounts and foreign banks, which are not covered
under the Federal Deposit Insurance Corporation (&#8220;FDIC&#8221;) rules for the United States.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0"><i>Short-term investments</i></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0"><i>&#160;</i></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">At December 31, 2018, Solitario has United States
Treasury securities (&#8220;USTS&#8221;) with maturities of 15 days to 22 months recorded at their fair value of $9,345,000. At
December 31, 2018, Solitario has $500,000 in separate bank certificates of deposit (&#8220;CDs&#8221;) each with a maximum value
of $250,000, and each of which are covered by Federal Deposit Insurance Corporation insurance to the full-face value of the CDs.
At December 31, 2018, the CDs have maturities of three months. In addition, Solitario has a US dollar bank savings account in Peru
with a fair value of $378,000. Solitario&#8217;s short-term investments are recorded at their fair value, based upon quoted market
prices. The short-term investments are highly liquid and may be sold in their entirety at any time at their quoted market price
and are classified as a current asset.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;<i>Mineral properties </i></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Solitario expenses all exploration costs incurred
on its mineral properties prior to the establishment of proven and probable reserves through the completion of a feasibility study.
Initial acquisition costs of its mineral properties are capitalized. Solitario regularly performs evaluations of its investment
in mineral properties to assess the recoverability and/or the residual value of its investments in these assets. All long-lived
assets are reviewed for impairment whenever events or circumstances change which indicate the carrying amount of an asset may not
be recoverable, utilizing established guidelines based upon undiscounted future net cash flows from the asset or upon the determination
that certain exploration properties do not have sufficient potential for economic mineralization.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0"><i>Derivative instruments</i></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: left; text-indent: 0.5in">Solitario accounts for its
derivative instruments in accordance with ASC 815, &#34;Accounting for Derivative Instruments and Hedging Activities&#34; (&#8220;ASC
815&#8221;). Solitario acquired its investment in Vendetta Mining Corp. (&#8220;Vendetta&#8221;) units, including the Vendetta
Warrants (defined below) during 2016. During 2017, Solitario exercised all of its Vendetta Warrants and at December 31, 2018 and
2017 has no Vendetta Warrants. Changes in fair value of the Vendetta Warrants are recognized in the statements of operations in
the period of change as gain or loss on derivative instruments. Solitario has entered into covered calls from time to time on its
investment in Kinross marketable equity securities. Solitario has not designated its covered calls as hedging instruments and any
changes in the fair value of the covered calls and its warrants are recognized in the statements of operations in the period of
the change as gain or loss on derivative instruments.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0"><i>Fair value</i></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Financial Accounting Standards Board ASC 820,
&#8220;Fair Value Measurements and Disclosures&#8221; (&#8220;ASC 820&#8221;) establishes a framework for measuring fair value
and requires enhanced disclosures about fair value measurements. ASC 820 clarifies that fair value is an exit price, representing
the amount that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants.
For certain of Solitario's financial instruments, including cash and cash equivalents and accounts payable, the carrying amounts
approximate fair value due to their short-term maturities. Solitario's short-term investments in USTS and CDs, its marketable equity
securities and any covered call options against those marketable equity securities are carried at their estimated fair value based
on quoted market prices. See Note 8, &#8220;Fair Value of Financial Instruments,&#8221; below.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0"><i>Marketable equity securities</i></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Solitario's investments in marketable equity
securities are classified as available-for-sale and are carried at fair value, which is based upon quoted prices of the securities
owned. Solitario records investments in marketable equity securities as available-for-sale for investments in publicly traded marketable
equity securities for which it does not exercise significant control and where Solitario has no representation on the board of
directors of those companies and exercises no control over the management of those companies. The cost of marketable equity securities
sold is determined by the specific identification method. Changes in fair value are recorded as unrealized gain or loss in the
statement of operations. A decline in fair value that is considered other than temporary is recognized as a loss in the consolidated
statements of operations. &#9;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0"><i>&#160;</i></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0"><i>Foreign exchange</i></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">The United States dollar is the functional currency
for all of Solitario's foreign subsidiaries. Although Solitario's South American exploration activities during 2018 and 2017 were
conducted primarily in Peru, a portion of the payments for the land, leasehold and exploration agreements as well as certain exploration
activities are denominated in United States dollars. Foreign currency gains and losses are included in the results of operations
in the period in which they occur.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0"><i>Income taxes</i></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Solitario accounts for income taxes in accordance
with ASC 740, &#8220;Accounting for Income Taxes&#8221; (&#8220;ASC 740&#8221;). Under ASC 740, income taxes are provided for the
tax effects of transactions reported in the financial statements and consist of taxes currently due plus deferred taxes related
to certain income and expenses recognized in different periods for financial and income tax reporting purposes. Deferred tax assets
and liabilities represent the future tax return consequences of those differences, which will either be taxable or deductible when
the assets and liabilities are recovered or settled. Deferred taxes are also recognized for operating losses and tax credits that
are available to offset future taxable income and income taxes, respectively. A valuation allowance is provided if it is more likely
than not that some portion or all of the deferred tax assets will not be realized.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0"><i>Accounting for uncertainty in income taxes</i></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">ASC 740 clarifies the accounting for uncertainty
in income taxes recognized in a company's financial statements. ASC 740 prescribes a recognition threshold and measurement attribute
for the financial statement recognition and measurement of a tax position taken or expected to be taken in a tax return. ASC 740
also provides guidance on derecognition, classification, interest and penalties, accounting in interim periods, disclosure, and
transition. ASC 740 provides that a company's tax position will be considered settled if the taxing authority has completed its
examination, the company does not plan to appeal, and it is remote that the taxing authority would reexamine the tax position in
the future. These provisions of ASC 740 had no effect on Solitario's financial position or results of operations. See Note 6, &#8220;Income
Taxes,&#8221; below.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0"><i>Earnings per share</i></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">The calculation of basic and diluted earnings
(loss) per share is based on the weighted average number of shares of common stock outstanding during the years ended December
31, 2018 and 2017. Potentially dilutive shares, consisting of outstanding common stock options for 5,223,160 and 1,982,428, respectively,
Solitario common shares were excluded from the calculation of diluted earnings (loss) per share for the year ended December 31,
2018 and 2017 because the effects were anti-dilutive.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0 0.5in; text-indent: -0.5in">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0"><i>Employee stock compensation and incentive plans</i></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Solitario classifies all of its stock options
as equity options in accordance with the provisions of ASC 718, &#8220;Compensation &#8211; Stock Compensation.&#8221; See Note
10, &#8220;Employee Stock Compensation Plans,&#8221; below.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0"><i>Recently adopted accounting pronouncements</i></p>

<p style="font: 12pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">In January 2016 the FASB issued ASU 2016-01,
&#8220;Financial Instruments &#8211; Overall (subtopic 825-10) Recognition and Measurement of Financial Assets and Liabilities,&#8221;
(&#8220;ASU 2016-01&#8221;)<i>.</i> ASU 2016-01 revises the classification and measurement of investment in certain equity investments
and the presentation of certain fair value changes for certain financial liabilities measured at fair value. ASU 2016-01 requires
the change in fair value of many equity investments to be recognized in net income. ASU 2016-01 is effective for interim and annual
periods beginning after December 15, 2017, with early adoption permitted. Solitario adopted ASU 2016-01 in the first quarter of
2018. Solitario recorded a cumulative-effect adjustment for the change in accounting principle to accumulated deficit of $576,000
related to the adoption of ASU 2016-01.See also Note 9, &#8220;Shareholders&#8217; Equity and Accumulated Other Comprehensive Income,&#8221;
below.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">In May 2014, the FASB issued ASU No. 2014-09,
<i>Revenue from Contracts with Customers (Topic 606): </i>Under ASU No. 2014-09, an entity should recognize revenue when it transfers
promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled
in exchange for those goods or services. ASU No. 2014-09 also requires additional disclosure about the nature, amount, timing,
and uncertainty of revenue and cash flows arising from customer contracts. This includes significant judgments and changes in judgments
and assets recognized from costs incurred to obtain or fulfill a contract. Solitario adopted ASU No. 2014-09 in 2018 and it had
no impact on Solitario&#8217;s financial position or results of operations.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0"><i>Recently issued accounting pronouncements</i></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">In February 2016, the FASB issued Accounting
Standards Updated (&#8220;ASU&#8221;) 2016-02, &#8220;Leases&#8221; (&#8220;ASU 2016-02&#8221;). The new standard establishes a
right-of-use (ROU) model that requires a lessee to record a ROU asset and a lease liability on the balance sheet for all leases
with terms longer than 12 months. Leases will be classified as either finance or operating, with classification affecting the pattern
of expense recognition in the income statement. The new standard is effective for interim and annual periods beginning after December
15, 2018. The new rules will be effective for Solitario in the first quarter of 2019. Solitario expect the adoption of ASU 2016-02
to materially change net income or total expense in the statement of operations from its current accounting methods and has estimated
it will record an asset and offsetting liability of approximately $80,000 in the consolidated balance sheet upon adoption of ASU
2016-02 in January 2019.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">The FASB issued ASU No. 2016-13, <i>Financial
Instruments &#8211; Credit Losses (Topic 326): Measurements of Credit Losses on Financial Statements</i> (&#8220;ASU No. 2016-13&#8221;)<i>.
</i>Among other things, these amendments require the measurement of all expected credit losses for financial assets held at the
reporting date based on historical experience, current conditions, and reasonable and supportable forecasts. Financial institutions
and other organizations will now use forward-looking information to better inform their credit loss estimates. ASU No. 2016-13
is effective for Solitario for fiscal year, and interim periods within those fiscal years, beginning after December 15, 2019. Solitario
does not expect the adoption of ASU No. 2016-13 to have a material impact, its consolidated financial position or results of operations.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"><b>&#160;</b></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">In February 2018, the FASB issued ASU 2018-02,
&#8220;Reclassification of Certain Tax Effects from Accumulated Other Comprehensive Income&#8221; (ASU 2018-02&#8221;), which allows
for a reclassification from accumulated other comprehensive income or loss to retained earnings or accumulated deficit for stranded
tax effects resulting from the Tax Cuts and Jobs Act of 2017 (&#8220;TCJA&#8221;). ASU 2018-02 also requires certain related disclosures.
ASU 2018-02 is effective for annual periods, and interim periods within those annual periods, beginning after December 15, 2018
and should be applied either in the period of adoption or retrospectively to each period in which the effect of the change in the
U.S. federal corporate income tax rate in the TCJA is recognized. Early adoption is permitted. Solitario does not expect the adoption
of ASU 2018-02 will have a material effect on Solitario&#8217;s financial position or results of operations.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>



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<span style="display: none;">v3.10.0.1</span><table class="report" border="0" cellspacing="2" id="idp6630197712">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Mineral Properties<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr><th class="th"><div>Dec. 31, 2018</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_srt_ExtractiveIndustriesAbstract', window );"><strong>Extractive Industries [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_XPL_MineralPropertiesDisclosureTextBlock', window );">Mineral Properties</a></td>
<td class="text"><p style="margin: 0pt"></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">2. <u>Mineral Properties</u>:</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">The following table details Solitario&#8217;s capitalized investment
in exploration mineral property:</p>

<table cellspacing="0" cellpadding="0" style="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
<tr>
    <td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt">(in thousands)</td>
    <td colspan="2" style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">December 31,</td></tr>
<tr>
    <td style="vertical-align: top; width: 71%; padding-right: 5.4pt; padding-left: 5.4pt">&#160;</td>
    <td style="vertical-align: bottom; width: 14%; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">2018</td>
    <td style="vertical-align: bottom; width: 15%; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">2017</td></tr>
<tr style="vertical-align: bottom">
    <td style="padding-right: 5.4pt; padding-left: 5.4pt">Exploration</td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">&#160;</td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">&#160;</td></tr>
<tr style="vertical-align: bottom">
    <td style="padding-right: 5.4pt; padding-left: 5.4pt">&#160;&#160;&#160;Lik project (Alaska &#8211; US)</td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">$15,611&#160;</td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">$15,611&#160;</td></tr>
<tr style="vertical-align: bottom">
    <td style="padding-right: 5.4pt; padding-left: 5.4pt">&#160;&#160;&#160;La Promesa (Peru)</td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">6&#160;</td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">6&#160;</td></tr>
<tr style="vertical-align: bottom">
    <td style="padding-right: 5.4pt; padding-left: 5.4pt">&#160;&#160;&#160;Montana Royalty property (US)</td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">40&#160;</td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">40&#160;</td></tr>
<tr style="vertical-align: bottom">
    <td style="padding-right: 5.4pt; padding-left: 5.4pt">&#160;&#160;&#160;&#160;&#160;Total exploration mineral property</td>
    <td style="border-top: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">&#160;&#160;$15,657&#160;</td>
    <td style="border-top: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">&#160;&#160;$15,657&#160;</td></tr>
</table>
<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0"><i>Exploration property</i></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Solitario's exploration mineral properties at
December 31, 2018 and 2017 consist of use rights related to its exploration properties, and the value of such assets is primarily
driven by the nature and amount of economic mineral ore believed to be contained, or potentially contained, in such properties.
The amounts capitalized as mineral properties include concession and lease or option acquisition costs. Capitalized costs related
to a mineral property represent its fair value at the time it was acquired. At December 31, 2018, none of Solitario&#8217;s exploration
properties have production (are operating) or contain proven or probable reserves. Solitario's exploration mineral properties represent
interests in properties that Solitario believes have exploration and development potential. Solitario's mineral use rights generally
are enforceable regardless of whether proven and probable reserves have been established. Solitario acquired the Lik project during
2017 in the Acquisition; see Note 1 above.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">In addition to its capitalized exploration properties,
Solitario has an interest in its Florida Canyon exploration concessions, which are currently subject to a joint venture agreement
where joint venture partners made stand-by joint venture payments to Solitario prior to January 1, 2015. Solitario recorded joint
venture property payment revenue received in excess of capitalized costs. Per the joint venture agreement, as of December 31, 2018,
no further standby joint-venture payments are due to Solitario on the Florida Canyon project. At December 31, 2018 and 2017, Solitario
has no remaining capitalized costs related to its Florida Canyon joint venture.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">On April 26, 2018, Solitario sold the Yanacocha
Royalty to a Newmont for $502,000 in cash. Newmont owns the underlying mineral concessions covered by the Yanacocha Royalty. None
of the concessions covered by the Yanacocha Royalty have any reported reserves or resources. Solitario had no mineral property
capitalized cost in the Yanacocha Royalty and recorded Mineral Property Revenue of $502,000 during 2018.</p>

<p style="font: 8pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0"><i>Discontinued projects </i></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">During 2017, Solitario abandoned its interests
in the Aconchi and Norcan exploration properties in Mexico and Solitario no longer holds any interest in those properties. However,
there were no capitalized mineral property costs related to these properties and Solitario did not record any mineral property
write-downs during the year ended December 31, 2017.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0"><i>Exploration Expense</i></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">The following items comprised exploration expense:</p>

<table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<tr>
    <td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt">&#160;</td>
    <td colspan="2" style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt">
        <p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">For the year ended</p>
        <p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">December 31,</p></td></tr>
<tr>
    <td style="vertical-align: top; width: 72%; padding-right: 5.4pt; padding-left: 5.4pt">(in thousands)</td>
    <td style="vertical-align: bottom; width: 14%; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">2018</td>
    <td style="vertical-align: bottom; width: 14%; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">2017</td></tr>
<tr>
    <td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt">Geologic and field expenses</td>
    <td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">$1,165&#160;</td>
    <td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">$447&#160;</td></tr>
<tr>
    <td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt">Administrative</td>
    <td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">89&#160;</td>
    <td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">252&#160;</td></tr>
<tr>
    <td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt">&#160;&#160;Total exploration expense</td>
    <td style="vertical-align: bottom; border-top: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">$1,254&#160;</td>
    <td style="vertical-align: bottom; border-top: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">$699&#160;</td></tr>
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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0"><u>Asset Retirement Obligation</u></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">In connection with the Acquisition, Solitario
recorded an asset retirement obligation of $125,000 for Solitario&#8217;s estimated reclamation cost of the existing disturbance
at the Lik project. This disturbance consists of an exploration camp including certain drill sites and access roads at the camp.
The estimate was based upon estimated cash costs for reclamation as determined by the permitting bond required by the State of
Alaska, for which Solitario has retained a reclamation bond insurance policy in the event Solitario or its 50% partner, Teck, do
not complete required reclamation.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Solitario has not applied a discount rate to
the recorded asset retirement obligation as the estimated time frame for reclamation is not currently known, as reclamation is
not expected to occur until the end of the Lik project life, which would follow future development and operations, the start of
which cannot be estimated or assured at this time. Additionally, no depreciation will be recorded on the related asset for the
asset retirement obligation until the Lik project goes into operation, which cannot be assured.</p>



<p style="margin: 0pt"></p><span></span>
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<span style="display: none;">v3.10.0.1</span><table class="report" border="0" cellspacing="2" id="idp6785895152">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Marketable Equity Securities<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr><th class="th"><div>Dec. 31, 2018</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_MarketableSecuritiesAbstract', window );"><strong>Marketable Securities [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_XPL_InvestmentsDebtAndEquitySecuritiesTextBlock', window );">Marketable Equity Securities</a></td>
<td class="text"><p style="font: 10pt Times New Roman, Times, Serif; margin: 0">3. <u>Marketable Equity Securities</u></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">On May 2, 2016, Solitario purchased 7,240,000
units of Vendetta for aggregate consideration of $289,000. Each unit included one common share of Vendetta and one warrant which
allow the holder to purchase one share of Vendetta common stock at a price of Cdn$0.10 per share for a period of two years (the
&#8220;Vendetta Warrants&#8221;). The purchase price of the units of $289,000 was allocated between the Vendetta common shares
and the Vendetta Warrants based upon total fair values on the date of purchase. The Vendetta common stock was allocated a purchase
cost of $186,000 and the Vendetta Warrants were allocated a purchase cost of $103,000. As discussed below, during 2017 Solitario
exercised all of its Vendetta Warrants, and sold 3,480,000 shares of Vendetta common stock. As of December 31, 2018, Solitario
owns 11,000,000 shares of Vendetta common stock which are carried at their fair value based upon the quoted market price of Vendetta,
a publicly traded company on the TSX venture exchange, and included in marketable equity securities.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0 0.55in 0 0; text-indent: 0.5in">The following tables summarize Solitario&#8217;s
marketable equity securities and adjustments to fair value:</p>

<table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<tr style="vertical-align: bottom">
    <td style="text-align: justify">(in thousands)</td>
    <td colspan="2" style="padding-right: 4.5pt; text-align: center">Year ended<br />
December 31,</td></tr>
<tr style="vertical-align: bottom">
    <td style="width: 74%">&#160;</td>
    <td style="width: 13%; padding-right: 4.5pt; text-align: center">2018</td>
    <td style="width: 13%; padding-right: 9pt; text-align: center">2017</td></tr>
<tr style="vertical-align: bottom">
    <td>&#160;&#160;Marketable equity securities at cost</td>
    <td style="border-top: Black 1pt solid; padding-right: 4.5pt; text-align: right">$1,714&#160;</td>
    <td style="border-top: Black 1pt solid; padding-right: 9pt; text-align: right">$1,714&#160;</td></tr>
<tr style="vertical-align: bottom">
    <td>&#160;&#160;Cumulative unrealized (loss) gain on marketable equity securities</td>
    <td style="border-bottom: Black 1pt solid; padding-right: 4.5pt; text-align: right">(129)</td>
    <td style="border-bottom: Black 1pt solid; padding-right: 9pt; text-align: right">&#160;&#160;&#160;929&#160;</td></tr>
<tr style="vertical-align: bottom">
    <td>&#160;&#160;Marketable equity securities at fair value</td>
    <td style="border-bottom: Black 1pt solid; padding-right: 4.5pt; text-align: right">$1,585&#160;</td>
    <td style="border-bottom: Black 1pt solid; padding-right: 9pt; text-align: right">$2,643&#160;</td></tr>
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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 40.5pt">The following table represents changes in marketable
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<table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<tr style="vertical-align: bottom">
    <td style="padding-right: 5.4pt; padding-left: 5.4pt">(in thousands)</td>
    <td colspan="2" style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">Year ended<br />
December 31,</td></tr>
<tr style="vertical-align: bottom">
    <td style="width: 74%; padding-right: 5.4pt; padding-left: 5.4pt">&#160;</td>
    <td style="width: 13%; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">2018</td>
    <td style="width: 13%; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">2017</td></tr>
<tr style="vertical-align: bottom">
    <td style="padding-right: 5.4pt; padding-left: 5.4pt">Cost of marketable equity securities sold</td>
    <td style="padding-right: -0.9pt; padding-left: 0.1in; text-align: right">$&#160;&#160;-&#160;&#160;&#160;</td>
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    <td style="border-bottom: Black 1pt solid; padding-right: 3.75pt; padding-left: 5.4pt; text-align: right">578&#160;</td></tr>
<tr style="vertical-align: bottom">
    <td style="padding-right: 5.4pt; padding-left: 5.4pt">Proceeds from the sale of marketable equity securities sold</td>
    <td style="padding-right: -0.9pt; padding-left: 0.1in; text-align: right">-&#160;&#160;&#160;</td>
    <td style="padding-right: 3.75pt; padding-left: 0.1in; text-align: right">(666)</td></tr>
<tr style="vertical-align: bottom">
    <td style="padding-right: 5.4pt; padding-left: 5.4pt">Purchase of marketable equity securities</td>
    <td style="padding-right: -0.9pt; padding-left: 0.1in; text-align: right">-&#160;&#160;&#160;</td>
    <td style="padding-right: 3.75pt; padding-left: 5.4pt; text-align: right">1,528&#160;</td></tr>
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    <td style="padding-right: 5.4pt; padding-left: 5.4pt">Gross (loss) gain on marketable equity securities</td>
    <td style="padding-right: -0.9pt; padding-left: 5.4pt; text-align: right">(1,058)</td>
    <td style="padding-right: 3.75pt; padding-left: 5.4pt; text-align: right">442&#160;</td></tr>
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    <td style="padding-right: 5.4pt; padding-left: 5.4pt">Change in marketable equity securities at fair value</td>
    <td style="border-top: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: -0.9pt; padding-left: 5.4pt; text-align: right">$(1,058)</td>
    <td style="border-top: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 3.75pt; padding-left: 5.4pt; text-align: right">&#160;&#160;&#160;$ 1,304&#160;</td></tr>
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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">The following table represents
the realized and unrealized gain (loss) on marketable equity securities:</p>

<table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<tr style="vertical-align: bottom">
    <td style="text-align: justify">(in thousands)</td>
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December 31,</td></tr>
<tr style="vertical-align: bottom">
    <td style="width: 74%">&#160;</td>
    <td style="width: 13%; padding-right: 4.5pt; text-align: center">2018</td>
    <td style="width: 13%; padding-right: 9pt; text-align: center">2017</td></tr>
<tr style="vertical-align: bottom">
    <td>&#160;&#160;Gross (loss) gain on marketable securities</td>
    <td style="border-top: Black 1pt solid; padding-right: 4.5pt; text-align: right">$(1,058)</td>
    <td style="border-top: Black 1pt solid; padding-right: 9pt; text-align: right">$442&#160;</td></tr>
<tr style="vertical-align: bottom">
    <td>&#160;&#160;Realized gain on marketable equity securities sold</td>
    <td style="border-bottom: Black 1pt solid; padding-right: 4.5pt; text-align: right">-&#160;&#160;&#160;</td>
    <td style="border-bottom: Black 1pt solid; padding-right: 9pt; text-align: right">&#160;&#160;&#160;(578)</td></tr>
<tr style="vertical-align: bottom">
    <td>&#160;&#160;Unrealized (loss) on marketable equity securities</td>
    <td style="border-bottom: Black 1pt solid; padding-right: 4.5pt; text-align: right">$(1,058)</td>
    <td style="border-bottom: Black 1pt solid; padding-right: 9pt; text-align: right">$(136)</td></tr>
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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">During 2017, Solitario sold 3,480,000 Vendetta
common shares, for cash proceeds of $666,000. In addition, during 2017, Solitario exercised its Vendetta Warrants, also discussed
below in Note 4, &#8220;Other Assets&#8221; and received 7,240,000 common shares of Vendetta. Solitario transferred the fair value
of the Vendetta Warrants on the date of exercise of $950,000, along with the cash paid to exercise the Vendetta Warrants of $578,000
to marketable equity securities as the cost of the 7,240,000 common shares of Vendetta acquired.</p><span></span>
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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">
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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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</DOCUMENT>
<DOCUMENT>
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<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
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<span style="display: none;">v3.10.0.1</span><table class="report" border="0" cellspacing="2" id="idp6628921008">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Other Assets<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr><th class="th"><div>Dec. 31, 2018</div></th></tr>
<tr class="re">
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<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherAssetsDisclosureTextBlock', window );">Other Assets</a></td>
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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">4.&#160;<u>Other Assets:</u></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0 0.55in 0 0">The following items comprised other assets:</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0 0.55in 0 0">&#160;</p>

<table cellspacing="0" cellpadding="0" style="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
<tr>
    <td style="vertical-align: top; padding-right: 0.55in; padding-left: 5.4pt">(in thousands)</td>
    <td colspan="2" style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">December 31,</td></tr>
<tr>
    <td style="vertical-align: top; width: 74%; padding-right: 0.55in; padding-left: 5.4pt">&#160;</td>
    <td style="vertical-align: bottom; width: 13%; border-bottom: Black 1pt solid; padding-right: 8.1pt; padding-left: 5.4pt; text-align: center">2018</td>
    <td style="vertical-align: bottom; width: 13%; border-bottom: Black 1pt solid; padding-right: 8.1pt; padding-left: 5.4pt; text-align: center">2017</td></tr>
<tr>
    <td style="vertical-align: top; padding-right: 0.55in; padding-left: 5.4pt">Furniture and fixtures, net of accumulated depreciation</td>
    <td style="vertical-align: bottom; padding-right: -0.9pt; padding-left: 5.4pt; text-align: right">&#160;&#160;$&#160;&#160;&#160;36&#160;</td>
    <td style="vertical-align: bottom; padding-right: 0.05in; padding-left: 5.4pt; text-align: right">&#160;&#160;$&#160;&#160;&#160;31&#160;</td></tr>
<tr>
    <td style="vertical-align: top; padding-right: 0.55in; padding-left: 5.4pt">Lik project equipment, net of accumulated depreciation</td>
    <td style="vertical-align: bottom; padding-right: -0.9pt; padding-left: 5.4pt; text-align: right">70&#160;</td>
    <td style="vertical-align: bottom; padding-right: 0.05in; padding-left: 5.4pt; text-align: right">&#160;90&#160;</td></tr>
<tr>
    <td style="vertical-align: top; padding-right: 0.55in; padding-left: 5.4pt">Exploration bonds and other assets</td>
    <td style="vertical-align: bottom; padding-right: -0.9pt; padding-left: 5.4pt; text-align: right">&#160;&#160;4&#160;</td>
    <td style="vertical-align: bottom; padding-right: 0.05in; padding-left: 5.4pt; text-align: right">&#160;&#160;4&#160;</td></tr>
<tr>
    <td style="vertical-align: top; padding-right: 0.55in; padding-left: 5.4pt">Total other assets</td>
    <td style="vertical-align: bottom; border-top: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: -0.9pt; padding-left: 5.4pt; text-align: right">$110&#160;</td>
    <td style="vertical-align: bottom; border-top: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 0.05in; padding-left: 5.4pt; text-align: right">$125&#160;</td></tr>
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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">During 2017, Solitario acquired $100,000 of
exploration-related equipment at the Lik project as part of the Acquisition. The equipment is being depreciated over a five-year
life on a straight-line basis and Solitario recorded depreciation expense of $20,000 and $10,000, respectively, during 2018 and
2017 related to this equipment.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">During 2017, Solitario exercised 7,240,000 of
its Vendetta Warrants and received 7,240,000 Vendetta common shares, by paying $578,000 in cash to Vendetta. As a result, as of
December 31, 2017, Solitario no longer owns any Vendetta Warrants. Upon the exercise of the Vendetta Warrants, Solitario transferred
the fair value of the Vendetta Warrants on the date of exercise of $950,000 along with the cash paid to exercise the Vendetta Warrants
of $578,000 to marketable equity securities as the cost of the 7,240,000 common shares of Vendetta acquired. During the year ended
December 31, 2017, Solitario recorded a gain on derivative instruments of $216,000 related to the Vendetta Warrants, with no similar
item during 2018; see Note 7, &#8220;Derivative Instruments,&#8221; below.</p>



<p style="margin: 0pt"></p><span></span>
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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">
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The entire disclosure for other assets. This disclosure includes other current assets and other noncurrent 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>
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<DOCUMENT>
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<head>
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<span style="display: none;">v3.10.0.1</span><table class="report" border="0" cellspacing="2" id="idp6785969856">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Revenue Mineral Property Sale<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr><th class="th"><div>Dec. 31, 2018</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_RevenueRecognitionAbstract', window );"><strong>Revenue Recognition [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_XPL_RevenueRecognitionSaleOfMineralPropertyTextBlock', window );">Revenue Mineral Property Sale</a></td>
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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">5. <u>Revenue mineral property sale</u></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">On April 26, 2018, Solitario sold its royalty
interest in the non-producing Yanacocha property (the &#8220;Yanacocha Royalty&#8221;) to a wholly owned subsidiary of Newmont
Mining Corporation (&#8220;Newmont&#8221;) for approximately $502,000 in cash. The Yanacocha Royalty covered 43 concessions totaling
36,052 hectares. Newmont owns the underlying mineral concessions covered by the Yanacocha Royalty. None of the concessions covered
by the Yanacocha Royalty had any reported reserves or resources. Solitario had no mineral property capitalized cost in the Yanacocha
Royalty and recorded Mineral Property Revenue of $502,000 during 2018.</p>



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<span style="display: none;">v3.10.0.1</span><table class="report" border="0" cellspacing="2" id="idp6633421696">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Income Taxes<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr><th class="th"><div>Dec. 31, 2018</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_IncomeTaxDisclosureTextBlock', window );">Income Taxes</a></td>
<td class="text"><p style="margin: 0pt"></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">6. <u>Income Taxes</u>:</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">Consolidated loss before
income taxes includes losses from foreign operations of $260,000 and $322,000 in 2018 and 2017, respectively.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">The net deferred tax assets/liabilities in the
December 31, 2018 and 2017 consolidated balance sheets include the following components:</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<tr>
    <td style="vertical-align: top; width: 72%; padding-right: 5.4pt; padding-left: 5.4pt">(in thousands)</td>
    <td style="vertical-align: bottom; width: 14%; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">2018</td>
    <td style="vertical-align: bottom; width: 14%; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">2017</td></tr>
<tr style="vertical-align: top">
    <td style="padding-right: 5.4pt; padding-left: 5.4pt">Deferred tax assets:</td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">&#160;</td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">&#160;</td></tr>
<tr>
    <td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt">&#160;&#160;Loss carryovers</td>
    <td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">$12,432&#160;</td>
    <td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;$12,178</td></tr>
<tr>
    <td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt">&#160;&#160;Investment in Mineral Property</td>
    <td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">1,669&#160;</td>
    <td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;1,952</td></tr>
<tr>
    <td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt">&#160;&#160;Capitalized Exploration Costs</td>
    <td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">877&#160;</td>
    <td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;1,205</td></tr>
<tr>
    <td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt">&#160;&#160;Stock option compensation expense</td>
    <td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">&#160;&#160;150&#160;</td>
    <td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;13</td></tr>
<tr>
    <td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt">&#160;&#160;Royalty</td>
    <td style="vertical-align: bottom; font: 11pt/115% Calibri, Helvetica, Sans-Serif; padding-right: 5.4pt; padding-bottom: 10pt; padding-left: 0.5in; text-align: center">-&#160;&#160;&#160;</td>
    <td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;989&#160;&#160;</td></tr>
<tr>
    <td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt">&#160;&#160;Unrealized loss on derivative securities</td>
    <td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;60&#160;</td>
    <td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;28</td></tr>
<tr>
    <td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt">&#160;&#160;Other</td>
    <td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">135&#160;</td>
    <td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;135</td></tr>
<tr>
    <td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt">&#160;&#160;Valuation allowance</td>
    <td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">(15,099)</td>
    <td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;(16,249)</td></tr>
<tr>
    <td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt">Total deferred tax assets</td>
    <td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">224&#160;</td>
    <td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;251&#160;</td></tr>
<tr>
    <td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt">
        <p style="font: 10pt/115% Times New Roman, Times, Serif; margin: 0">&#160;</p>
        <p style="font: 10pt/115% Times New Roman, Times, Serif; margin: 0">&#160;</p>
        <p style="font: 10pt/115% Times New Roman, Times, Serif; margin: 0">Deferred tax liabilities:</p></td>
    <td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">&#160;</td>
    <td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">&#160;</td></tr>
<tr>
    <td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt">&#160;&#160;Unrealized gain on derivative securities</td>
    <td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">-&#160;</td>
    <td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">-&#160;</td></tr>
<tr>
    <td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt">&#160;&#160;Unrealized gains on marketable equity securities</td>
    <td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">209&#160;</td>
    <td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">230&#160;</td></tr>
<tr>
    <td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt">&#160;&#160;Other</td>
    <td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">&#160;&#160;&#160;&#160;&#160;&#160;&#160;15&#160;</td>
    <td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">&#160;&#160;&#160;&#160;&#160;&#160;&#160;21&#160;</td></tr>
<tr>
    <td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt">Total deferred tax liabilities</td>
    <td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;224&#160;</td>
    <td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">251&#160;</td></tr>
<tr>
    <td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt">&#160;&#160;&#160;&#160;&#160;Net deferred tax liabilities</td>
    <td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">$&#160;&#160;&#160;&#160;-&#160;&#160;&#160;&#160;</td>
    <td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">$&#160;&#160;&#160;&#160;-&#160;&#160;&#160;&#160;</td></tr>
</table>
<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">A reconciliation of expected federal income
taxes on income (loss) from continuing operations at statutory rates, with the expense for income taxes is as follows:</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<tr>
    <td style="vertical-align: top; width: 72%; padding-right: 5.75pt; padding-left: 5.75pt">(in thousands)</td>
    <td style="vertical-align: bottom; width: 14%; border-bottom: Black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; text-align: center">2018</td>
    <td style="vertical-align: bottom; width: 14%; border-bottom: Black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; text-align: center">2017</td></tr>
<tr>
    <td style="vertical-align: top; padding-right: 5.75pt; padding-left: 5.75pt">Expected income tax benefit</td>
    <td style="vertical-align: bottom; padding-right: 5.75pt; padding-left: 5.75pt; text-align: right">$(756)</td>
    <td style="vertical-align: bottom; padding-right: 5.75pt; padding-left: 5.75pt; text-align: right">$(355)</td></tr>
<tr>
    <td style="vertical-align: top; padding-right: 5.75pt; padding-left: 5.75pt">Equity based compensation</td>
    <td style="vertical-align: bottom; padding-right: 5.75pt; padding-left: 5.75pt; text-align: right">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;-&#160;</td>
    <td style="vertical-align: bottom; padding-right: 5.75pt; padding-left: 5.75pt; text-align: right">-&#160;</td></tr>
<tr>
    <td style="vertical-align: top; padding-right: 5.75pt; padding-left: 5.75pt">Foreign tax rate differences</td>
    <td style="vertical-align: bottom; padding-right: 5.75pt; padding-left: 5.75pt; text-align: right">&#160;(27)</td>
    <td style="vertical-align: bottom; padding-right: 5.75pt; padding-left: 5.75pt; text-align: right">17&#160;</td></tr>
<tr>
    <td style="vertical-align: top; padding-right: 5.75pt; padding-left: 5.75pt">State income tax</td>
    <td style="vertical-align: bottom; padding-right: 5.75pt; padding-left: 5.75pt; text-align: right">(143)</td>
    <td style="vertical-align: bottom; padding-right: 5.75pt; padding-left: 5.75pt; text-align: right">(27)</td></tr>
<tr>
    <td style="vertical-align: top; padding-right: 5.75pt; padding-left: 5.75pt">Impact of Tax Legislation</td>
    <td style="vertical-align: bottom; padding-right: 5.75pt; padding-left: 5.75pt; text-align: right">-&#160;</td>
    <td style="vertical-align: bottom; padding-right: 5.75pt; padding-left: 5.75pt; text-align: right">4,494&#160;</td></tr>
<tr>
    <td style="vertical-align: top; padding-right: 5.75pt; padding-left: 5.75pt">Adjustment to Deferred Taxes</td>
    <td style="vertical-align: bottom; padding-right: 5.75pt; padding-left: 5.75pt; text-align: right">2,058&#160;</td>
    <td style="vertical-align: bottom; padding-right: 5.75pt; padding-left: 5.75pt; text-align: right">-&#160;</td></tr>
<tr>
    <td style="vertical-align: top; padding-right: 5.75pt; padding-left: 5.75pt">Change in Tax Rate</td>
    <td style="vertical-align: bottom; padding-right: 5.75pt; padding-left: 5.75pt; text-align: right">53&#160;</td>
    <td style="vertical-align: bottom; padding-right: 5.75pt; padding-left: 5.75pt; text-align: right">-</td></tr>
<tr>
    <td style="vertical-align: top; padding-right: 5.75pt; padding-left: 5.75pt">Change in valuation allowance</td>
    <td style="vertical-align: bottom; padding-right: 5.75pt; padding-left: 5.75pt; text-align: right">(1,164)</td>
    <td style="vertical-align: bottom; padding-right: 5.75pt; padding-left: 5.75pt; text-align: right">(4,120)</td></tr>
<tr>
    <td style="vertical-align: top; padding-right: 5.75pt; padding-left: 5.75pt">Permanent differences and other</td>
    <td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; text-align: right">(21)</td>
    <td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; text-align: right">(9)</td></tr>
<tr>
    <td style="vertical-align: top; padding-right: 5.75pt; padding-left: 5.75pt">Income tax (benefit) expense</td>
    <td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; text-align: right">&#160;$&#160;&#160;&#160;-&#160;&#160;&#160;&#160;</td>
    <td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; text-align: right">&#160;$&#160;&#160;&#160;&#160;-&#160;&#160;&#160;</td></tr>
</table>
<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">On December 22, 2017, the Tax Cuts and Jobs
Act of 2017 (the &#8220;Tax Act&#8221;) was signed into law making significant changes to the Internal Revenue Code. Changes include,
but are not limited to, a federal corporate tax rate decrease from 35% to 21% for tax years beginning after December 31, 2017,
the transition of U.S international taxation from a worldwide tax system to a territorial system, and a one-time transition tax
on the mandatory deemed repatriation of foreign earnings. In accordance with ASC 740, Income Taxes, the impact of a change in tax
law is recorded in the period of enactment. Consequently, Solitario recorded a decrease to its net deferred tax assets of $4,494,000
with a corresponding net adjustment to the valuation allowance for the year ended December 31, 2017.&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">While the Tax Act provides for a territorial
tax system, beginning in 2018, it includes two new U.S. tax base erosion provisions, the global intangible low-taxed income (&#8220;GILTI&#8221;)
provisions and the base-erosion and anti-abuse tax (&#8220;BEAT&#8221;) provisions.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">The GILTI provisions require the Company to
include in its U.S. income tax return foreign subsidiary earnings in excess of an allowable return on the foreign subsidiary&#8217;s
tangible assets. The Company currently has no profitable foreign subsidiaries. Therefore, this provision currently has no impact
on the Company.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">The BEAT provisions in the Tax Act eliminates
the deduction of certain base-erosion payments made to related foreign corporations and impose a minimum tax if greater than regular
tax. The Company does not expect it will be subject to this tax and therefore has not included any tax impacts of BEAT in its consolidated
financial statements for the years ended December 31, 2018 and 2017.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 27pt">As a result of the acquisition of Zazu during
the year ended December 31, 2017, Solitario acquired deferred tax assets totaling $10,366,000 primarily related to US federal and
state net operating losses, mineral properties and exploration costs, and Canadian net operating losses. These deferred tax assets
were fully offset by a valuation allowance. Solitario does not believe it is more likely than not that the assets will be utilized
in the future. As a result of the ownership change of Zazu Metals (Alaska) Corp, utilization of its United States Federal and State
of Alaska net operating losses will be limited due to the annual limitation provided by Section 382 of the Internal Revenue Code.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 27pt">During 2018, the valuation allowance decreased
primarily due to the adjustments to deferred taxes that were part of the Zazu acquisition and the disposition of royalties that
were part of the Yanacocha sale. During 2017, the valuation allowance was increased primarily due to the acquisition of Zazu and
the impact of the Tax Act.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 27pt">At December 31, 2018, Solitario has unused US
NOL carryovers of $15,404,000 and unused US State NOL carryovers of $15,980,000 which begin expiring in 2027. Solitario has unused
Capital Loss carryovers of $11,132,000 for US Federal and US State purposes which begin expiring in 2019. Solitario has Canadian
loss carryforwards of $9,205,000 which begin expiring in 2027. Other foreign loss carryforwards for which Solitario has provided
a full valuation allowance related to Solitario&#8217;s exploration activities in Peru. The Peru losses do not expire.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 27pt">Solitario adopted ASC 740, which prescribes a
recognition threshold and measurement attribute for the financial statement recognition and measurement of a tax position taken
or expected to be taken in a tax return. ASC 740 requires that Solitario recognize in its consolidated financial statements, only
those tax positions that are &#8220;more-likely-than-not&#8221; of being sustained as of the adoption date, based on the technical
merits of the position. As a result of the implementation of ASC 740, Solitario performed a comprehensive review of its material
tax positions in accordance with recognition and measurement standards established by ASC 740. The provisions of ASC 740 had no
effect on Solitario&#8217;s financial position, cash flows or results of operations at December 31, 2018 or December 31, 2017,
or for the years then ended as Solitario had no unrecognized tax benefits.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Solitario and its subsidiaries are subject to
the following material taxing jurisdictions: United States Federal, State of Colorado, State of Alaska, Canada and Peru. Solitario&#8217;s
United States federal, Canada and State of Alaska returns for years 2016 and forward and Solitario&#8217;s Peru and State of Colorado
returns for tax years 2014 and forward are subject to examination. Solitario&#8217;s policy is to recognize interest and penalties
related to uncertain tax benefits in income tax expense. Solitario has no accrued interest or penalties related to uncertain tax
positions as of December 31, 2018, or December 31, 2017 or for the years then ended.</p>



<p style="margin: 0pt"></p><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>
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<span style="display: none;">v3.10.0.1</span><table class="report" border="0" cellspacing="2" id="idp6785873136">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Derivative Instruments<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr><th class="th"><div>Dec. 31, 2018</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_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract', window );"><strong>Derivative Instruments and Hedging Activities 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_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock', window );">Derivative Instruments</a></td>
<td class="text"><p style="margin: 0pt"></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">7. <u>Derivative Instruments:</u></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: left"><i>Covered call options</i></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">From time to time Solitario has sold covered
call options against its holdings of Kinross. The business purpose of selling covered calls is to provide additional income on
a limited portion of shares of Kinross that Solitario may sell in the near term, which is generally defined as less than one year.
Solitario has not designated its covered calls as hedging instruments as described in ASC 815, &#8220;Derivatives and Hedging,&#8221;
and any changes in the fair value of its covered calls are recognized in the statement of operations in the period of the change.
As of December 31, 2018, all of the covered calls had expired unexercised and there were no liabilities related to those calls
entered during the year.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0"><i>Vendetta Warrants</i></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">The Vendetta Warrants were exercised during
2017 and there are none remaining at December 31, 2018; see Note 4, &#8220;Other Assets&#8221; above.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: left">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: left">Solitario recorded the following gain on derivative
instruments:</p>

<table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<tr>
    <td style="vertical-align: top; padding-right: 0.55in; padding-left: 5.4pt">(in thousands)</td>
    <td colspan="2" style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt">
        <p style="font: 10pt Times New Roman, Times, Serif; margin: 0 0.05in 0 0; text-align: center">Year ended</p>
        <p style="font: 10pt Times New Roman, Times, Serif; margin: 0 0.05in 0 0; text-align: center">December 31,</p></td></tr>
<tr>
    <td style="vertical-align: top; width: 74%; padding-right: 0.55in; padding-left: 5.4pt">&#160;</td>
    <td style="vertical-align: bottom; width: 13%; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">&#160;2018</td>
    <td style="vertical-align: bottom; width: 13%; border-bottom: Black 1pt solid; padding-right: -5.4pt; padding-left: 5.4pt; text-align: center">&#160;2017</td></tr>
<tr>
    <td style="vertical-align: top; padding-right: 0.55in; padding-left: 5.4pt">&#160;&#160;Gain on Kinross calls</td>
    <td style="vertical-align: bottom; padding-right: 0.05in; padding-left: 5.4pt; text-align: right">&#160;$&#160;&#160;-&#160;</td>
    <td style="vertical-align: bottom; padding-right: 0.05in; padding-left: 5.4pt; text-align: right">&#160;$&#160;&#160;55&#160;</td></tr>
<tr>
    <td style="vertical-align: top; padding-right: 0.55in; padding-left: 5.4pt">&#160;&#160;Gain on Vendetta Warrants</td>
    <td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 0.05in; padding-left: 5.4pt; text-align: right">-&#160;</td>
    <td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 0.05in; padding-left: 5.4pt; text-align: right">216&#160;</td></tr>
<tr>
    <td style="vertical-align: top; padding-right: 0.55in; padding-left: 5.4pt">&#160;</td>
    <td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 0.05in; padding-left: 5.4pt; text-align: right">$&#160;&#160;-&#160;</td>
    <td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 0.05in; padding-left: 5.4pt; text-align: right">$271&#160;</td></tr>
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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>



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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">
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The entire disclosure for derivative instruments and hedging activities including, but not limited to, risk management strategies, non-hedging derivative instruments, assets, liabilities, revenue and expenses, and methodologies and assumptions used in determining the amounts.</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> -URI http://asc.fasb.org/topic&amp;trid=2229140<br></p></div>
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<span style="display: none;">v3.10.0.1</span><table class="report" border="0" cellspacing="2" id="idp6627966912">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Fair Value of Financial Instruments<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr><th class="th"><div>Dec. 31, 2018</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_FairValueDisclosuresAbstract', window );"><strong>Fair Value Disclosures [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_FairValueDisclosuresTextBlock', window );">Fair Value of Financial Instruments</a></td>
<td class="text"><p style="margin: 0pt"></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">8. <u>Fair Value of Financial Instruments</u>:</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">For certain of Solitario's financial instruments,
including cash and cash equivalents, payables and short-term debt, the carrying amounts approximate fair value due to their short
maturities. Solitario's marketable equity securities, including its investment in shares of Kinross common stock, Vendetta common
stock and TNR Gold Corp (&#8220;TNR&#8221;) common stock, are carried at their estimated fair value primarily based on publicly
available quoted market prices.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Solitario applies ASC 820 that establishes a
framework for measuring fair value and requires enhanced disclosures about fair value measurements. ASC 820 clarifies that fair
value is an exit price, representing the amount that would be received to sell an asset or paid to transfer a liability in an orderly
transaction between market participants. ASC 820 also requires disclosure about how fair value is determined for assets and liabilities
and establishes a hierarchy for which these assets and liabilities must be grouped, based on significant levels of inputs as follows:</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0 1in"><b>Level 1</b>: Quoted prices in active markets for identical
assets or liabilities;<br />
<b>Level 2</b>: Quoted prices in active markets for similar assets and liabilities and inputs that are observable for the asset
or liability; or<br />
<b>Level 3</b>: Unobservable inputs in which there is little or no market data, which require the reporting entity to develop its
own assumptions.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">The determination of where assets and liabilities
fall within this hierarchy is based upon the lowest level of input that is significant to the fair value measurement. During the
years ended December 31, 2018 and 2017, there were no reclassifications in financial assets or liabilities between Level 1, 2 or
3 categories.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">The following is a listing of Solitario&#8217;s
financial assets and liabilities required to be measured at fair value on a recurring basis and where they are classified within
the hierarchy as of December 31, 2018:</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&#160;</p>

<table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<tr style="vertical-align: bottom">
    <td style="width: 47%; text-align: justify">(in thousands)</td>
    <td style="width: 12%; border-bottom: Black 1pt solid; padding-right: 6pt; text-align: center">Level 1</td>
    <td style="width: 14%; border-bottom: Black 1pt solid; padding-right: 8.25pt; text-align: center">Level 2</td>
    <td style="width: 14%; border-bottom: Black 1pt solid; padding-right: 3pt; text-align: center">Level 3</td>
    <td style="width: 13%; border-bottom: Black 1pt solid; padding-right: 5.25pt; text-align: center">Total</td></tr>
<tr style="vertical-align: bottom">
    <td><b>Assets</b></td>
    <td style="padding-right: 6pt; text-align: right">&#160;</td>
    <td style="padding-right: 8.25pt; text-align: right">&#160;</td>
    <td style="padding-right: 3pt; text-align: right">&#160;</td>
    <td style="padding-right: 5.25pt; text-align: right">&#160;</td></tr>
<tr style="vertical-align: bottom">
    <td>&#160;&#160;Short-term investments</td>
    <td style="padding-right: 6pt; text-align: right">$10,223&#160;</td>
    <td style="padding-right: 8.25pt; text-align: right">$&#160;&#160;&#160;-&#160;&#160;&#160;</td>
    <td style="padding-right: 3pt; text-align: right">$&#160;&#160;-&#160;&#160;&#160;</td>
    <td style="padding-right: 5.25pt; text-align: right">$10,223&#160;</td></tr>
<tr style="vertical-align: bottom">
    <td>&#160;&#160;Marketable equity securities</td>
    <td style="padding-right: 6pt; text-align: right">$&#160;&#160;1,585&#160;</td>
    <td style="padding-right: 8.25pt; text-align: right">$&#160;&#160;&#160;-&#160;&#160;&#160;</td>
    <td style="padding-right: 3pt; text-align: right">$&#160;&#160;-&#160;&#160;&#160;</td>
    <td style="padding-right: 5.25pt; text-align: right">$&#160;&#160;1,585&#160;</td></tr>
</table>
<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">The following is a listing of Solitario&#8217;s
financial assets and liabilities required to be measured at fair value on a recurring basis and where they are classified within
the hierarchy as of December 31, 2017:</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&#160;</p>

<table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
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    <td style="width: 47%; text-align: justify">(in thousands)</td>
    <td style="width: 12%; border-bottom: Black 1pt solid; padding-right: 6pt; text-align: center">Level 1</td>
    <td style="width: 14%; border-bottom: Black 1pt solid; padding-right: 8.25pt; text-align: center">Level 2</td>
    <td style="width: 14%; border-bottom: Black 1pt solid; padding-right: 3pt; text-align: center">Level 3</td>
    <td style="width: 13%; border-bottom: Black 1pt solid; padding-right: 5.25pt; text-align: center">Total</td></tr>
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    <td><b>Assets</b></td>
    <td style="padding-right: 6pt; text-align: right">&#160;</td>
    <td style="padding-right: 8.25pt; text-align: right">&#160;</td>
    <td style="padding-right: 3pt; text-align: right">&#160;</td>
    <td style="padding-right: 5.25pt; text-align: right">&#160;</td></tr>
<tr style="vertical-align: bottom">
    <td>&#160;&#160;Short-term investments</td>
    <td style="padding-right: 6pt; text-align: right">$11,642&#160;</td>
    <td style="padding-right: 8.25pt; text-align: right">$&#160;&#160;&#160;-&#160;&#160;&#160;</td>
    <td style="padding-right: 3pt; text-align: right">$&#160;&#160;-&#160;&#160;&#160;</td>
    <td style="padding-right: 5.25pt; text-align: right">$11,642&#160;</td></tr>
<tr style="vertical-align: bottom">
    <td>&#160;&#160;Marketable equity securities</td>
    <td style="padding-right: 6pt; text-align: right">$&#160;&#160;2,643&#160;</td>
    <td style="padding-right: 8.25pt; text-align: right">$&#160;&#160;&#160;-&#160;&#160;&#160;</td>
    <td style="padding-right: 3pt; text-align: right">$&#160;&#160;-&#160;&#160;&#160;</td>
    <td style="padding-right: 5.25pt; text-align: right">$&#160;&#160;2,643&#160;</td></tr>
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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0"><i>Items measured at fair value on a recurring basis: </i></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0"><u>Short-term investments:</u> At December 31, 2018 and 2017, Solitario&#8217;s
holdings of short-term investments consist of USTS and CD&#8217;s and are recorded at their fair value based upon quoted market
prices.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0"><u>Marketable equity securities</u><i>: </i>At December 31, 2018
and 2017, the fair value of Solitario&#8217;s holdings in shares of Vendetta, Kinross, and TNR marketable equity securities and
the Kinross calls are based upon quoted market prices.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">During the year ended December 31, 2018, Solitario
did not change any of the valuation techniques used to measure its financial assets and liabilities at fair value.</p>



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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>The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information.</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> -URI http://asc.fasb.org/topic&amp;trid=2155941<br></p></div>
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<span style="display: none;">v3.10.0.1</span><table class="report" border="0" cellspacing="2" id="idp6629197568">
<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">12 Months Ended</th>
</tr>
<tr><th class="th"><div>Dec. 31, 2018</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_CommitmentsAndContingenciesDisclosureAbstract', window );"><strong>Commitments and Contingencies 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_CommitmentsAndContingenciesDisclosureTextBlock', window );">Commitments and Contingencies</a></td>
<td class="text"><p style="margin: 0pt"></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">9. <u>Commitments and Contingencies:</u></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">In acquiring its interests in mineral claims
and leases, Solitario has entered into lease agreements, which may be canceled at its option without penalty. Solitario is required
to make minimum rental and option payments in order to maintain its interests in certain claims and leases. See Note 2, &#8220;Mineral
Properties,&#8221; above. Solitario estimates its 2019 property rentals and option payments for properties Solitario owns or operate
to be approximately $729,000. Assuming that Solitario&#8217;s joint ventures continue in their current status and that Solitario
does not appreciably change its property positions on existing properties, approximately $712,000 of these annual payments are
paid or are reimbursable to us by Solitario&#8217;s joint venture partners. In addition, Solitario may be required to make further
payments in the future enters into new agreements.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Solitario has recorded an asset retirement obligation
of $125,000 related to its Lik project in Alaska. See Note 2, &#8220;Mineral Properties,&#8221; above.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Solitario leases office space under a non-cancelable
operating lease for the Wheat Ridge, Colorado office which provides for total minimum annual rent payments of $43,000 through March
of 2021.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">In August of 2018, Solitario agreed to fund
a portion of a 2018 &#8211; 2019 drilling program at the Florida Canyon project. Per the agreement, Solitario will fund up to $1,580,000
of a planned 41-hole 17,000-meter drilling program to be conducted through December 31, 2019 (the &#8220;Drilling Program&#8221;).
Upon Nexa completing the first 1,700 meters of the Drilling Program, Solitario will pay Nexa $527,000, upon completion of the next
1,700 meters (3,400 meters total) of the Drilling Program, Solitario will pay Nexa $527,000, and upon completion of the next 1,700
meters (5,100 meters total) of the Drilling Program, Solitario will pay Nexa the balance remaining on its $1,580,000 funding commitment,
or $526,000. Solitario has no obligation to pay Nexa prior to the attainment of the separate 1,700-meter thresholds. The funding
commitments are in the form of an advance on Solitario&#8217;s commitment to fund 30% of any future development of Florida Canyon
under the existing joint venture agreement with Nexa. Accordingly, in the event Florida Canyon is developed, which cannot be assured
at this time, any funds paid to Nexa under this agreement, will reduce the amount of Solitario&#8217;s obligation to fund 30% of
future development costs, and / or repay loans from Nexa for future development costs at the Florida Canyon project. As of December
31, 2018, Nexa had completed four holes and a total of 2,203 meters under the Drilling Program, and Solitario has recorded an account
payable to Nexa of $527,000 and recorded a charge to exploration expense of $527,000, should Nexa complete the remaining 2,897
meters (5,100 meters less the completed 2,203 meters) during 2019, Solitario will be obligated to pay Nexa $1,053,000 in addition
to its currently recorded account payable of $527,000 during 2019.</p>



<p style="margin: 0pt"></p><span></span>
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<span style="display: none;">v3.10.0.1</span><table class="report" border="0" cellspacing="2" id="idp6625980192">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Employee Stock Compensation Plans<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr><th class="th"><div>Dec. 31, 2018</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_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract', window );"><strong>Disclosure of Compensation Related Costs, Share-based Payments [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_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock', window );">Employee Stock Compensation Plans</a></td>
<td class="text"><p style="margin: 0pt"></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">10. <u>Employee Stock Compensation Plans:</u></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">On June 18, 2013, Solitario&#8217;s shareholders
approved the Solitario Resources Corporation Omnibus Stock Incentive Plan (the &#8220;2013 Plan&#8221;). Under the terms of the
2013 Plan, as amended, a total of 5,750,000 shares of Solitario common stock are reserved for awards to directors, officers, employees
and consultants. Awards granted under the 2013 Plan may take the form of stock options, stock appreciation rights, restricted stock,
and restricted stock units. The terms and conditions of the awards are pursuant to the 2013 Plan and are granted by the Board of
Directors or a committee appointed by the Board of Directors.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.25in">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0 0.5in">a.)&#160;&#160;&#160;&#160;&#160;2013 Plan stock option
grants</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">The following table shows the grant date fair
value of Solitario&#8217;s awards during 2018 pursuant to the 2013 Plan:</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<tr>
    <td style="vertical-align: bottom; width: 50%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: justify">Grant Date</td>
    <td style="vertical-align: top; width: 27%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">1/02/18 <font style="font-size: 8pt">(1)</font></td>
    <td style="vertical-align: bottom; width: 23%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">11/01/18 <font style="font-size: 8pt">(2)</font></td></tr>
<tr style="vertical-align: bottom">
    <td style="border-top: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt">Option &#8211; grant date price</td>
    <td style="border-top: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">$0.62</td>
    <td style="border-top: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">$0.31</td></tr>
<tr style="vertical-align: bottom">
    <td style="padding-right: 5.4pt; padding-left: 5.4pt">Options granted </td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">100,000</td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">1,623,000</td></tr>
<tr style="vertical-align: bottom">
    <td style="padding-right: 5.4pt; padding-left: 5.4pt">Expected life years</td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">0.80</td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">5.00</td></tr>
<tr style="vertical-align: bottom">
    <td style="padding-right: 5.4pt; padding-left: 5.4pt">Expected volatility </td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">66%</td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">64%</td></tr>
<tr style="vertical-align: bottom">
    <td style="padding-right: 5.4pt; padding-left: 5.4pt">Risk free interest rate</td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">1.0%</td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">3.0%</td></tr>
<tr style="vertical-align: bottom">
    <td style="padding-right: 5.4pt; padding-left: 5.4pt">Weighted average fair value </td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">$0.12</td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">$0.17</td></tr>
<tr style="vertical-align: bottom">
    <td style="padding-right: 5.4pt; padding-left: 5.4pt">Grant date fair value</td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">$12,000</td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">$282,000</td></tr>
</table>
<table cellpadding="0" cellspacing="0" style="width: 100%; font: 11pt/115% Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 10pt"><tr style="vertical-align: top">
<td style="width: 0.5in"></td><td style="width: 0.25in"><font style="font-size: 8pt">(1)</font></td><td><font style="font-size: 8pt">Option granted to a consultant had an expected life of 0.8 years on grant date and was fully vested
during 2018. Option remains vested for a maximum of five years from date of grant or termination of the consulting contract. </font></td></tr></table>

<table cellpadding="0" cellspacing="0" style="width: 100%; font: 11pt/115% Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 10pt"><tr style="vertical-align: top">
<td style="width: 0.5in"></td><td style="width: 0.25in"><font style="font-size: 8pt">(2)</font></td><td><font style="font-size: 8pt">Option grants have a five-year term, and vest 25% on date of grant and 25% on each of the next
three anniversary dates. </font></td></tr></table>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">The following table shows the grant date fair
value of Solitario&#8217;s awards during 2017 pursuant to the 2013 Plan:</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<tr>
    <td style="vertical-align: bottom; width: 29%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: justify">Grant Date</td>
    <td style="vertical-align: top; width: 13%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">7/12/17 <font style="font-size: 8pt">(1)</font></td>
    <td style="vertical-align: bottom; width: 11%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">7/12/17 <font style="font-size: 8pt">(1)</font></td>
    <td style="vertical-align: bottom; width: 12%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">7/12/17 <font style="font-size: 8pt">(1)</font></td>
    <td style="vertical-align: bottom; width: 11%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">7/12/17 <font style="font-size: 8pt">(1)</font></td>
    <td style="vertical-align: bottom; width: 12%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">9/01/17 <font style="font-size: 8pt">(2)</font></td>
    <td style="vertical-align: top; width: 12%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">9/01/17 <font style="font-size: 8pt">(3)</font></td></tr>
<tr style="vertical-align: bottom">
    <td style="border-top: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt">Option &#8211; grant date price</td>
    <td style="border-top: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">$1.74</td>
    <td style="border-top: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">$1.52</td>
    <td style="border-top: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">$1.30</td>
    <td style="border-top: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">$0.54</td>
    <td style="border-top: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">$0.77</td>
    <td style="border-top: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">$0.77</td></tr>
<tr style="vertical-align: bottom">
    <td style="padding-right: 5.4pt; padding-left: 5.4pt">Options granted </td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">357,200</td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">425,068</td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">785,840</td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">214,320</td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">200,000</td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">2,300,000</td></tr>
<tr style="vertical-align: bottom">
    <td style="padding-right: 5.4pt; padding-left: 5.4pt">Expected life years</td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">0.84</td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">1.35</td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">1.50</td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">1.50</td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">5.0</td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">5.0</td></tr>
<tr style="vertical-align: bottom">
    <td style="padding-right: 5.4pt; padding-left: 5.4pt">Expected volatility </td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">67%</td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">67%</td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">67%</td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">67%</td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">64%</td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">64%</td></tr>
<tr style="vertical-align: bottom">
    <td style="padding-right: 5.4pt; padding-left: 5.4pt">Risk free interest rate</td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">1.0%</td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">1.0%</td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">1.0%</td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">1.0%</td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">1.7%</td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">1.7%</td></tr>
<tr style="vertical-align: bottom">
    <td style="padding-right: 5.4pt; padding-left: 5.4pt">Weighted average fair value </td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">$0.02</td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">$0.08</td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">$0.12</td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">$0.36</td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">$0.42</td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">$0.42</td></tr>
<tr style="vertical-align: bottom">
    <td style="padding-right: 5.4pt; padding-left: 5.4pt">Grant date fair value</td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">$7,000</td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">$26,000</td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">$72,000</td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">$59,000</td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">$126,000</td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">$970,000</td></tr>
</table>
<table cellpadding="0" cellspacing="0" style="width: 100%; font: 11pt/115% Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 10pt"><tr style="vertical-align: top">
<td style="width: 0.5in"></td><td style="width: 0.25in"><font style="font-size: 8pt">(1)</font></td><td><font style="font-size: 8pt">Replacement Options had terms of May 15, 2018, November 15, 2018, January 12, 2019 and January
12, 2019. The Replacement Options were fully vested on the date of grant. Replacement Options were priced in Canadian Dollars,
the grant day prices reflect the US Dollar price exchange rate of .07749 Cdn$/US$ on the date of grant. </font></td></tr></table>

<table cellpadding="0" cellspacing="0" style="width: 100%; font: 11pt/115% Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 10pt"><tr style="vertical-align: top">
<td style="width: 0.5in"></td><td style="width: 0.25in"><font style="font-size: 8pt">(2)</font></td><td><font style="font-size: 8pt">Options grants have a five-year term, and vest 25% on date of grant and 25% on each of the next
three anniversary dates.</font></td></tr></table>

<table cellpadding="0" cellspacing="0" style="width: 100%; font: 11pt/115% Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 10pt"><tr style="vertical-align: top">
<td style="width: 0.5in"></td><td style="width: 0.25in"><font style="font-size: 8pt">(3)</font></td><td><font style="font-size: 8pt">Conditional Options, (defined below) approved by Solitario shareholders on June 19, 2018.</font></td></tr></table>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0 0.5in">b.)&#160;&#160;&#160;&#160;&#160;Stock option activity</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0 0.5in; text-indent: -0.5in">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">During 2018 and 2017 no options granted from
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the years ended December 31, 2018 and 2017:</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

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<tr style="vertical-align: bottom">
    <td style="padding-right: 5.4pt; padding-left: 5.4pt">Outstanding, end of year</td>
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    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">$0.76&#160;</td>
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<tr style="vertical-align: bottom">
    <td style="padding-right: 5.4pt; padding-left: 5.4pt">Exercisable, end of year</td>
    <td style="border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">2,770,910&#160;</td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">$0.95&#160;</td>
    <td style="border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">$&#160;&#160;&#160;-&#160;&#160;&#160;</td>
    <td style="border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">1,832,428&#160;</td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">$1.33&#160;</td>
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<p style="font: 8pt Times New Roman, Times, Serif; margin: 0 0 0 0.5in">(1) Intrinsic value based upon December 31, 2018 price
of a share of Solitario common stock as quoted on the NYSE American exchange of $0.23 per share.</p>

<p style="font: 8pt Times New Roman, Times, Serif; margin: 0 0 0 0.5in">(2) Intrinsic value based upon December 31, 2017 price
of a share of Solitario common stock as quoted on the NYSE American exchange of $0.60 per share.</p>

<p style="font: 8pt Times New Roman, Times, Serif; margin: 0 0 0 0.5in">(3) Options granted during 2018, include 2,300,000 Conditional
Options, approved by Solitario shareholders on June 19, 2018.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">During the years ended December 31, 2018 and
2017, Solitario recorded $660,000 and $50,000, respectively, of stock option expense under the 2013 Plan for the amortization of
the grant date fair value of each of its outstanding options with a credit to additional paid-in-capital. At December 31, 2018,
the total unrecognized stock option compensation cost related to non-vested options is $639,000 and is expected to be recognized
over a weighted average period of 24 months.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">On September 1, 2017, the Board of Directors
granted, subject to shareholder approval at the next meeting of shareholders, 2,300,000 stock options under the 2013 Plan to officers
and members of the Board of Directors (the &#8220;Conditional Options&#8221;). The Conditional Options were approved by Solitario&#8217;s
shareholders at Solitario&#8217;s annual meeting on June 19, 2018. The Conditional Options vest on the schedule of 25% on date
of approval of the grant (June 19, 2018) and 25% on each of the next three anniversary dates of the date of grant (September 1,
2018, 2019 and 2020).</p>



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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Share Repurchase Program<br></strong></div></th>
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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">12. <u>Share Repurchase Program</u></p>

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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">On October 28, 2015, Solitario&#8217;s Board
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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_ScheduleOfSubsequentEventsTextBlock', window );">Subsequent Event</a></td>
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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">13. <u>Subsequent Event</u></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">The financial statements and related disclosures
include an evaluation of events leading up through and including February 28, 2019, which is the date the financial statements
were issued. On January 22, 2019, Solitario announced the sale of its interests in a retained royalty on the Pedra Branca project
in Brazil, a retained royalty on non-producing exploration properties in Mexico, and a royalty on certain non-producing mineral
claims in Montana to SilverStream for Cdn$250,000 in cash and a one-year note from SilverStream for Cdn$350,000.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, losses resulting from fire or flood, losses on receivables, significant realized and unrealized gains and losses that result from changes in quoted market prices of securities, declines in market prices of inventory, changes in authorized or issued debt (SEC), significant foreign exchange rate changes, substantial loans to insiders or affiliates, significant long-term investments, and substantial dividends not in the ordinary 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://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 855<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=6842918&amp;loc=SL6314017-165662<br></p></div>
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<span style="display: none;">v3.10.0.1</span><table class="report" border="0" cellspacing="2" id="idp6613736816">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Business and Summary of Significan Accounting Policies (Policies)<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr><th class="th"><div>Dec. 31, 2018</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_OrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPoliciesTextBlock', window );">1. Business and Summary of Significant Accounting Policies</a></td>
<td class="text"><p style="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0 0.5in; text-indent: -0.5in"></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0 0.5in; text-indent: -0.5in">1. <u>Business and Summary of Significant
Accounting Policies</u></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0"><i>Business and company formation</i></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Solitario Zinc Corp. (&#8220;Solitario,&#8221;
&#8220;Company&#8221;) is an exploration stage company as defined in Industry Guide 7, as issued by the United States Securities
and Exchange Commission (&#8220;SEC&#8221;). Solitario was incorporated in the state of Colorado on November 15, 1984 as a wholly-owned
subsidiary of Crown Resources Corporation (&#34;Crown&#34;). In July 1994, Solitario became a publicly traded company on the Toronto
Stock Exchange (the &#34;TSX&#34;) through its initial public offering. Solitario has been actively involved in mineral exploration
since 1993. Solitario&#8217;s primary business is to acquire exploration mineral properties and/or discover economic deposits on
its mineral properties and advance these deposits, either on its own or through joint ventures, up to the development stage. At
that point, or sometime prior to that point, Solitario would likely attempt to sell its mineral properties, pursue their development
either on its own, or through a joint venture with a partner that has expertise in mining operations, or create a royalty with
a third party that continues to advance the property. As a result of the Acquisition (defined below), Solitario is now primarily
focused on the acquisition and exploration of zinc-related exploration mineral properties. In addition to focusing on its mineral
exploration properties and the evaluation of mineral properties, Solitario also evaluates potential strategic corporate transactions
for the potential acquisition of new precious and base metal properties and assets with exploration potential or business combinations
that Solitario determines to be favorable to Solitario.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0"><u>Purchase of Zazu</u></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">On July 12, 2017, Solitario completed the acquisition
of Zazu Metals Corp. (&#8220;Zazu&#8221;) pursuant to a definitive arrangement agreement between Solitario and Zazu (the &#34;Arrangement
Agreement&#34;) whereby Solitario agreed to acquire all of the issued and outstanding common shares of Zazu (the &#34;Zazu Shares&#34;)
by way of a statutory plan of arrangement (the &#34;Arrangement&#34;) under the <i>Canada Business Corporations Act</i> (the &#8220;Acquisition&#8221;).
The Arrangement was approved by the Ontario (Canada) Superior Court of Justice on July 7, 2017. Per the Arrangement, Solitario
issued 19,788,177 shares of its common stock on July 12, 2017 in exchange for all of the issued and outstanding Zazu Shares, which
represented 0.3572 shares of Solitario common stock for each outstanding Zazu Share. Solitario granted stock options to acquire
an aggregate of 1,782,428 shares of Solitario common stock to Zazu option holders the (&#8220;Replacement Options&#8221;) in connection
with the Acquisition. The total purchase price of $16,110,000, recorded during the year ended December 31, 2017, is detailed below.
Results of operations for Zazu are included in Solitario&#8217;s consolidated financial statements from the date of the Acquisition.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<table cellspacing="0" cellpadding="0" style="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
<tr>
    <td style="vertical-align: top; width: 85%; padding-right: 5.4pt; padding-left: 5.4pt">(in thousands)</td>
    <td style="vertical-align: bottom; width: 15%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">July 12,</td></tr>
<tr>
    <td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt">&#160;</td>
    <td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">2017</td></tr>
<tr>
    <td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt">Issuance of 19,788,177 shares of Solitario common stock</td>
    <td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">$13,654</td></tr>
<tr>
    <td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt">Replacement options</td>
    <td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">164</td></tr>
<tr>
    <td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt">Investment banking and transaction costs</td>
    <td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">782</td></tr>
<tr>
    <td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt">Convertible debenture due Solitario, cancelled</td>
    <td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">1,510</td></tr>
<tr>
    <td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt">Total purchase price</td>
    <td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">$16,110</td></tr>
</table>
<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">The Acquisition was treated as an asset purchase.
Accordingly, as the purchase of an asset (essentially the interest in the Lik project in Alaska) Solitario capitalized related
transaction costs associated with the Acquisition, including the following costs:</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<table cellspacing="0" cellpadding="0" style="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
<tr>
    <td style="vertical-align: top; width: 85%; padding-right: 5.4pt; padding-left: 5.4pt">(in thousands)</td>
    <td style="vertical-align: bottom; width: 15%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">July 12,</td></tr>
<tr>
    <td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt">&#160;</td>
    <td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">2017</td></tr>
<tr>
    <td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt">Investment banking fees</td>
    <td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">&#160;&#160;$552&#160;</td></tr>
<tr>
    <td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt">Legal and accounting costs</td>
    <td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">196&#160;</td></tr>
<tr>
    <td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt">Other costs and fees</td>
    <td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">34&#160;</td></tr>
<tr>
    <td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt">Total capitalized transaction costs</td>
    <td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">$782&#160;</td></tr>
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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">The purchase price was allocated to the assets
and liabilities acquired from Zazu on the date of the Acquisition as follows:</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<table cellspacing="0" cellpadding="0" style="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
<tr>
    <td style="vertical-align: top; width: 85%; padding-right: 5.4pt; padding-left: 5.4pt">(in thousands)</td>
    <td style="vertical-align: bottom; width: 15%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">July 12,</td></tr>
<tr>
    <td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt">&#160;</td>
    <td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">2017</td></tr>
<tr>
    <td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt">Cash</td>
    <td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">&#160;&#160;$974&#160;</td></tr>
<tr>
    <td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt">Other current assets</td>
    <td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">42&#160;</td></tr>
<tr>
    <td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt">Equipment</td>
    <td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">&#160;&#160;100&#160;</td></tr>
<tr>
    <td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt">Mineral property</td>
    <td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">15,611&#160;</td></tr>
<tr>
    <td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt">Accounts payable</td>
    <td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">(492)</td></tr>
<tr>
    <td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt">Asset retirement obligation &#8211; Lik</td>
    <td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">(125)</td></tr>
<tr>
    <td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt">Total purchase price</td>
    <td style="vertical-align: bottom; border-top: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">$16,110&#160;</td></tr>
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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">The cash transaction costs less the cash acquired
are shown as the cash transaction costs for the year ended December 31, 2017 on the consolidated statement of cash flows. Solitario
also incurred stock issuance costs of $117,000, related to the Acquisition, which were charged to equity.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Solitario has recorded revenue in the past from
the sale of mineral property, including the sale on April 26, 2018 of its interest in the royalty on the Yanacocha property (discussed
below) and the sale in 2015 of its former interest in Mount Hamilton LLC the owner of its former Mt. Hamilton project (the &#8220;Mt.
Hamilton Transaction&#8221;), and joint venture property payments and the sale of a royalty on its former Mt. Hamilton project.
Revenues from the sale or joint venture of properties, although significant when they occur, have not been a consistent annual
source of revenue and would only occur in the future, if at all, on an infrequent basis.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Solitario currently considers its carried interest
in the Florida Canyon project and its interest in the Lik project to be its core mineral property assets. Nexa Resources, Ltd.
(&#8220;Nexa&#8221;), Solitario&#8217;s joint venture partner, is expected to continue the development and furtherance of the Florida
Canyon project and Solitario is monitoring progress at Florida Canyon. Solitario is working with its 50% joint venture partner,
Teck American Incorporated, a wholly-owned subsidiary of Teck Resources Limited (both companies are referred to as &#8220;Teck&#8221;),
in the Lik deposit to further the exploration and evaluate potential development plans for the Lik project.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"><font style="color: windowtext">As of December
31, 2018, Solitario has significant balances of cash and short-term investments that Solitario anticipates using, in part, to further
the development of the Florida Canyon project and the Lik project and to potentially acquire additional mineral property assets.
The</font> fluctuations in precious metal and other commodity prices has contributed to a challenging environment for mineral exploration
and development, which has created opportunities as well as challenges for the potential acquisition of early-stage and advanced
mineral exploration projects or other related assets at potentially attractive terms.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0"><i>Financial reporting</i></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">The consolidated financial statements include
the accounts of Solitario and its wholly-owned subsidiaries. All significant intercompany accounts and transactions have been eliminated
in consolidation. The consolidated financial statements are prepared in accordance with accounting principles generally accepted
in the United States of America (&#34;generally accepted accounting principles&#34;) and are expressed in US dollars.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0"><i>&#160;</i></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0"><i>Revenue recognition</i></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Solitario adopted ASU 2014-09 (defined below
under &#8220;Recent accounting pronouncements&#8221;) on January 1, 2018. ASU 2014-09 primarily impacts revenue recognition based
upon the timing of transfer of control of goods and services sold. Historically Solitario has recorded revenue from the sale of
exploration mineral properties and joint venture property payments. Solitario&#8217;s policy is to recognize revenue from the sale
of its exploration mineral properties (those without reserves) on a property by property basis, computed as the cash received and
/ or collectable receivables less any capitalized cost. Payments received for the sale of exploration property interests that are
less than the properties cost are recorded as a reduction of the related property's capitalized cost.  In addition, Solitario&#8217;s policy is to recognize revenue on any receipts of joint venture property payments in excess
of its capitalized costs on a property that Solitario may lease to another mining company.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Solitario has recognized revenue during 2018
for the first time in more than five years from the sale of an exploration mineral property, and expects, any property sales in
the future to also be on an infrequent basis. The last proceeds from joint venture property payments was in 2015 and Solitario
does not expect to record joint venture property payments on any of its currently held properties for the foreseeable future. Historically,
Solitario&#8217;s revenues have been infrequent and significant individual transactions and have only been from sales to well known
or vetted mining companies. Solitario has never had a return on any of its sales recorded as revenue in its history and does not
anticipate it will recognize any estimated returns on its current or future recorded revenues. The adoption of ASU 2014-09 had
no impact on Solitario&#8217;s recorded revenues for the year ended December 31, 2018 or 2017. Solitario recorded the revenue of
$502,000 from the sale of the Yanacocha Royalty in accordance with ASU 2014-09.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0"><i>Use of estimates</i></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">The preparation of financial statements in conformity
with generally accepted accounting principles requires management to make estimates and assumptions that affect the reported amounts
of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported
amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates. Some of the more
significant estimates included in the preparation of Solitario's financial statements pertain to: (i) Solitario&#8217;s carrying
value of short-term investments; (ii) the recoverability of mineral properties related to its mineral exploration properties and
their future exploration potential; (iii) the fair value of stock option grants to employees; (iv) the ability of Solitario to
realize its deferred tax assets; and (v) Solitario's investment in marketable equity securities.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">In performing its activities, Solitario has
incurred certain costs for mineral properties. The recovery of these costs is ultimately dependent upon the sale of mineral property
interests or the development of economically recoverable ore reserves and the ability of Solitario to obtain the necessary permits
and financing to successfully place the properties into production, and upon future profitable operations, none of which is assured.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0"><i>Cash and cash equivalents </i></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Cash equivalents include investments in highly
liquid money-market securities with original maturities of three months or less when purchased. At December 31, 2018, approximately
$113,000 of Solitario&#8217;s cash and cash equivalents are held in brokerage accounts and foreign banks, which are not covered
under the Federal Deposit Insurance Corporation (&#8220;FDIC&#8221;) rules for the United States.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0"><i>Short-term investments</i></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0"><i>&#160;</i></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">At December 31, 2018, Solitario has United States
Treasury securities (&#8220;USTS&#8221;) with maturities of 15 days to 22 months recorded at their fair value of $9,345,000. At
December 31, 2018, Solitario has $500,000 in separate bank certificates of deposit (&#8220;CDs&#8221;) each with a maximum value
of $250,000, and each of which are covered by Federal Deposit Insurance Corporation insurance to the full-face value of the CDs.
At December 31, 2018, the CDs have maturities of three months. In addition, Solitario has a US dollar bank savings account in Peru
with a fair value of $378,000. Solitario&#8217;s short-term investments are recorded at their fair value, based upon quoted market
prices. The short-term investments are highly liquid and may be sold in their entirety at any time at their quoted market price
and are classified as a current asset.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;<i>Mineral properties </i></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Solitario expenses all exploration costs incurred
on its mineral properties prior to the establishment of proven and probable reserves through the completion of a feasibility study.
Initial acquisition costs of its mineral properties are capitalized. Solitario regularly performs evaluations of its investment
in mineral properties to assess the recoverability and/or the residual value of its investments in these assets. All long-lived
assets are reviewed for impairment whenever events or circumstances change which indicate the carrying amount of an asset may not
be recoverable, utilizing established guidelines based upon undiscounted future net cash flows from the asset or upon the determination
that certain exploration properties do not have sufficient potential for economic mineralization.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0"><i>Derivative instruments</i></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: left; text-indent: 0.5in">Solitario accounts for its
derivative instruments in accordance with ASC 815, &#34;Accounting for Derivative Instruments and Hedging Activities&#34; (&#8220;ASC
815&#8221;). Solitario acquired its investment in Vendetta Mining Corp. (&#8220;Vendetta&#8221;) units, including the Vendetta
Warrants (defined below) during 2016. During 2017, Solitario exercised all of its Vendetta Warrants and at December 31, 2018 and
2017 has no Vendetta Warrants. Changes in fair value of the Vendetta Warrants are recognized in the statements of operations in
the period of change as gain or loss on derivative instruments. Solitario has entered into covered calls from time to time on its
investment in Kinross marketable equity securities. Solitario has not designated its covered calls as hedging instruments and any
changes in the fair value of the covered calls and its warrants are recognized in the statements of operations in the period of
the change as gain or loss on derivative instruments.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0"><i>Fair value</i></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Financial Accounting Standards Board ASC 820,
&#8220;Fair Value Measurements and Disclosures&#8221; (&#8220;ASC 820&#8221;) establishes a framework for measuring fair value
and requires enhanced disclosures about fair value measurements. ASC 820 clarifies that fair value is an exit price, representing
the amount that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants.
For certain of Solitario's financial instruments, including cash and cash equivalents and accounts payable, the carrying amounts
approximate fair value due to their short-term maturities. Solitario's short-term investments in USTS and CDs, its marketable equity
securities and any covered call options against those marketable equity securities are carried at their estimated fair value based
on quoted market prices. See Note 8, &#8220;Fair Value of Financial Instruments,&#8221; below.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0"><i>Marketable equity securities</i></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Solitario's investments in marketable equity
securities are classified as available-for-sale and are carried at fair value, which is based upon quoted prices of the securities
owned. Solitario records investments in marketable equity securities as available-for-sale for investments in publicly traded marketable
equity securities for which it does not exercise significant control and where Solitario has no representation on the board of
directors of those companies and exercises no control over the management of those companies. The cost of marketable equity securities
sold is determined by the specific identification method. Changes in fair value are recorded as unrealized gain or loss in the
statement of operations. A decline in fair value that is considered other than temporary is recognized as a loss in the consolidated
statements of operations. &#9;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0"><i>&#160;</i></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0"><i>Foreign exchange</i></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">The United States dollar is the functional currency
for all of Solitario's foreign subsidiaries. Although Solitario's South American exploration activities during 2018 and 2017 were
conducted primarily in Peru, a portion of the payments for the land, leasehold and exploration agreements as well as certain exploration
activities are denominated in United States dollars. Foreign currency gains and losses are included in the results of operations
in the period in which they occur.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0"><i>Income taxes</i></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Solitario accounts for income taxes in accordance
with ASC 740, &#8220;Accounting for Income Taxes&#8221; (&#8220;ASC 740&#8221;). Under ASC 740, income taxes are provided for the
tax effects of transactions reported in the financial statements and consist of taxes currently due plus deferred taxes related
to certain income and expenses recognized in different periods for financial and income tax reporting purposes. Deferred tax assets
and liabilities represent the future tax return consequences of those differences, which will either be taxable or deductible when
the assets and liabilities are recovered or settled. Deferred taxes are also recognized for operating losses and tax credits that
are available to offset future taxable income and income taxes, respectively. A valuation allowance is provided if it is more likely
than not that some portion or all of the deferred tax assets will not be realized.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0"><i>Accounting for uncertainty in income taxes</i></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">ASC 740 clarifies the accounting for uncertainty
in income taxes recognized in a company's financial statements. ASC 740 prescribes a recognition threshold and measurement attribute
for the financial statement recognition and measurement of a tax position taken or expected to be taken in a tax return. ASC 740
also provides guidance on derecognition, classification, interest and penalties, accounting in interim periods, disclosure, and
transition. ASC 740 provides that a company's tax position will be considered settled if the taxing authority has completed its
examination, the company does not plan to appeal, and it is remote that the taxing authority would reexamine the tax position in
the future. These provisions of ASC 740 had no effect on Solitario's financial position or results of operations. See Note 6, &#8220;Income
Taxes,&#8221; below.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0"><i>Earnings per share</i></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">The calculation of basic and diluted earnings
(loss) per share is based on the weighted average number of shares of common stock outstanding during the years ended December
31, 2018 and 2017. Potentially dilutive shares, consisting of outstanding common stock options for 5,223,160 and 1,982,428, respectively,
Solitario common shares were excluded from the calculation of diluted earnings (loss) per share for the year ended December 31,
2018 and 2017 because the effects were anti-dilutive.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0 0.5in; text-indent: -0.5in">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0"><i>Employee stock compensation and incentive plans</i></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Solitario classifies all of its stock options
as equity options in accordance with the provisions of ASC 718, &#8220;Compensation &#8211; Stock Compensation.&#8221; See Note
10, &#8220;Employee Stock Compensation Plans,&#8221; below.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0"><i>Recently adopted accounting pronouncements</i></p>

<p style="font: 12pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">In January 2016 the FASB issued ASU 2016-01,
&#8220;Financial Instruments &#8211; Overall (subtopic 825-10) Recognition and Measurement of Financial Assets and Liabilities,&#8221;
(&#8220;ASU 2016-01&#8221;)<i>.</i> ASU 2016-01 revises the classification and measurement of investment in certain equity investments
and the presentation of certain fair value changes for certain financial liabilities measured at fair value. ASU 2016-01 requires
the change in fair value of many equity investments to be recognized in net income. ASU 2016-01 is effective for interim and annual
periods beginning after December 15, 2017, with early adoption permitted. Solitario adopted ASU 2016-01 in the first quarter of
2018. Solitario recorded a cumulative-effect adjustment for the change in accounting principle to accumulated deficit of $576,000
related to the adoption of ASU 2016-01.See also Note 9, &#8220;Shareholders&#8217; Equity and Accumulated Other Comprehensive Income,&#8221;
below.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">In May 2014, the FASB issued ASU No. 2014-09,
<i>Revenue from Contracts with Customers (Topic 606): </i>Under ASU No. 2014-09, an entity should recognize revenue when it transfers
promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled
in exchange for those goods or services. ASU No. 2014-09 also requires additional disclosure about the nature, amount, timing,
and uncertainty of revenue and cash flows arising from customer contracts. This includes significant judgments and changes in judgments
and assets recognized from costs incurred to obtain or fulfill a contract. Solitario adopted ASU No. 2014-09 in 2018 and it had
no impact on Solitario&#8217;s financial position or results of operations.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0"><i>Recently issued accounting pronouncements</i></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">In February 2016, the FASB issued Accounting
Standards Updated (&#8220;ASU&#8221;) 2016-02, &#8220;Leases&#8221; (&#8220;ASU 2016-02&#8221;). The new standard establishes a
right-of-use (ROU) model that requires a lessee to record a ROU asset and a lease liability on the balance sheet for all leases
with terms longer than 12 months. Leases will be classified as either finance or operating, with classification affecting the pattern
of expense recognition in the income statement. The new standard is effective for interim and annual periods beginning after December
15, 2018. The new rules will be effective for Solitario in the first quarter of 2019. Solitario expect the adoption of ASU 2016-02
to materially change net income or total expense in the statement of operations from its current accounting methods and has estimated
it will record an asset and offsetting liability of approximately $80,000 in the consolidated balance sheet upon adoption of ASU
2016-02 in January 2019.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">The FASB issued ASU No. 2016-13, <i>Financial
Instruments &#8211; Credit Losses (Topic 326): Measurements of Credit Losses on Financial Statements</i> (&#8220;ASU No. 2016-13&#8221;)<i>.
</i>Among other things, these amendments require the measurement of all expected credit losses for financial assets held at the
reporting date based on historical experience, current conditions, and reasonable and supportable forecasts. Financial institutions
and other organizations will now use forward-looking information to better inform their credit loss estimates. ASU No. 2016-13
is effective for Solitario for fiscal year, and interim periods within those fiscal years, beginning after December 15, 2019. Solitario
does not expect the adoption of ASU No. 2016-13 to have a material impact, its consolidated financial position or results of operations.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"><b>&#160;</b></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">In February 2018, the FASB issued ASU 2018-02,
&#8220;Reclassification of Certain Tax Effects from Accumulated Other Comprehensive Income&#8221; (ASU 2018-02&#8221;), which allows
for a reclassification from accumulated other comprehensive income or loss to retained earnings or accumulated deficit for stranded
tax effects resulting from the Tax Cuts and Jobs Act of 2017 (&#8220;TCJA&#8221;). ASU 2018-02 also requires certain related disclosures.
ASU 2018-02 is effective for annual periods, and interim periods within those annual periods, beginning after December 15, 2018
and should be applied either in the period of adoption or retrospectively to each period in which the effect of the change in the
U.S. federal corporate income tax rate in the TCJA is recognized. Early adoption is permitted. Solitario does not expect the adoption
of ASU 2018-02 will have a material effect on Solitario&#8217;s financial position or results of operations.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>



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<span style="display: none;">v3.10.0.1</span><table class="report" border="0" cellspacing="2" id="idp6785873136">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Business and Summary of Significan Accounting Policies (Tables)<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr><th class="th"><div>Dec. 31, 2018</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_BusinessAcquisitionProFormaInformationTextBlock', window );">Results of Operations Zazu</a></td>
<td class="text"><table cellspacing="0" cellpadding="0" style="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
<tr>
    <td style="vertical-align: top; width: 85%; padding-right: 5.4pt; padding-left: 5.4pt">(in thousands)</td>
    <td style="vertical-align: bottom; width: 15%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">July 12,</td></tr>
<tr>
    <td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt">&#160;</td>
    <td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">2017</td></tr>
<tr>
    <td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt">Issuance of 19,788,177 shares of Solitario common stock</td>
    <td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">$13,654</td></tr>
<tr>
    <td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt">Replacement options</td>
    <td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">164</td></tr>
<tr>
    <td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt">Investment banking and transaction costs</td>
    <td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">782</td></tr>
<tr>
    <td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt">Convertible debenture due Solitario, cancelled</td>
    <td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">1,510</td></tr>
<tr>
    <td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt">Total purchase price</td>
    <td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">$16,110</td></tr>
</table><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_XPL_CapitalizedTransactionCostsAcquisitionTableTextBlock', window );">Capitalized Transaction Costs Associated with Acquisition</a></td>
<td class="text"><table cellspacing="0" cellpadding="0" style="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
<tr>
    <td style="vertical-align: top; width: 85%; padding-right: 5.4pt; padding-left: 5.4pt">(in thousands)</td>
    <td style="vertical-align: bottom; width: 15%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">July 12,</td></tr>
<tr>
    <td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt">&#160;</td>
    <td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">2017</td></tr>
<tr>
    <td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt">Investment banking fees</td>
    <td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">&#160;&#160;$552&#160;</td></tr>
<tr>
    <td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt">Legal and accounting costs</td>
    <td style="vertical-align: bottom; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">196&#160;</td></tr>
<tr>
    <td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt">Other costs and fees</td>
    <td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">34&#160;</td></tr>
<tr>
    <td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt">Total capitalized transaction costs</td>
    <td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">$782&#160;</td></tr>
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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_XPL_PurchasePriceAllocatedAssetsAndLiabilitiesTableTextBlock', window );">Purchase Price Allocated to Assets and Liabilities Acquired</a></td>
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<tr>
    <td style="vertical-align: top; width: 85%; padding-right: 5.4pt; padding-left: 5.4pt">(in thousands)</td>
    <td style="vertical-align: bottom; width: 15%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">July 12,</td></tr>
<tr>
    <td style="vertical-align: top; padding-right: 5.4pt; padding-left: 5.4pt">&#160;</td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of pro forma results of operations for a material business acquisition or series of individually immaterial business acquisitions that are material in the aggregate.</p></div>
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<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Mineral Properties (Tables)<br></strong></div></th>
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<tr class="ro">
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<span style="display: none;">v3.10.0.1</span><table class="report" border="0" cellspacing="2" id="idp6626735376">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Marketable Equity Securities (Tables)<br></strong></div></th>
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December 31,</td></tr>
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<tr style="vertical-align: bottom">
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<tr style="vertical-align: bottom">
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December 31,</td></tr>
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<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>The entire disclosure for  investments in certain debt and equity securities.</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">
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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">
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of unrealized gains and losses on investments.</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 );">- 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 the carrying amounts of other assets. This disclosure includes other current assets and other noncurrent 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">
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<span style="display: none;">v3.10.0.1</span><table class="report" border="0" cellspacing="2" id="idp6785852768">
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<tr>
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<tr>
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    <td style="vertical-align: bottom; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">$&#160;&#160;&#160;&#160;-&#160;&#160;&#160;&#160;</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_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock', window );">Income Tax from Continuing Operations</a></td>
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<tr>
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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 the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years.</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 9<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32639-109319<br></p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax 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 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>
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Derivative Instruments (Tables)<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
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<tr><th class="th"><div>Dec. 31, 2018</div></th></tr>
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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">
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of the location and amount of derivative instruments and nonderivative instruments designated as hedging instruments reported before netting adjustments, and the amount of gain (loss) on derivative instruments and nonderivative instruments designated and qualified as hedging instruments.</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 815<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4E<br> -URI http://asc.fasb.org/extlink&amp;oid=109980867&amp;loc=SL5624181-113959<br><br>Reference 2: 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=109980867&amp;loc=SL5618551-113959<br><br>Reference 3: 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 4C<br> -URI http://asc.fasb.org/extlink&amp;oid=109980867&amp;loc=SL5624171-113959<br></p></div>
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<span style="display: none;">v3.10.0.1</span><table class="report" border="0" cellspacing="2" id="idp6629244928">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Fair Value of Financial Instruments (Tables)<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr><th class="th"><div>Dec. 31, 2018</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_FairValueDisclosuresAbstract', window );"><strong>Fair Value Disclosures [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
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    <td style="width: 14%; border-bottom: Black 1pt solid; padding-right: 3pt; text-align: center">Level 3</td>
    <td style="width: 13%; border-bottom: Black 1pt solid; padding-right: 5.25pt; text-align: center">Total</td></tr>
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    <td style="padding-right: 8.25pt; text-align: right">&#160;</td>
    <td style="padding-right: 3pt; text-align: right">&#160;</td>
    <td style="padding-right: 5.25pt; text-align: right">&#160;</td></tr>
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    <td style="padding-right: 3pt; text-align: right">$&#160;&#160;-&#160;&#160;&#160;</td>
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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&#160;</p>

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    <td style="padding-right: 8.25pt; text-align: right">&#160;</td>
    <td style="padding-right: 3pt; text-align: right">&#160;</td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of input and valuation technique used to measure fair value and change in valuation approach and technique for each separate class of asset and liability measured on recurring and nonrecurring basis.</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 50<br> -Paragraph 2<br> -Subparagraph (bbb)<br> -URI http://asc.fasb.org/extlink&amp;oid=99377789&amp;loc=d3e19207-110258<br></p></div>
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<html>
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<span style="display: none;">v3.10.0.1</span><table class="report" border="0" cellspacing="2" id="idp6785848416">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Employee Stock Compensation Plans (Tables)<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr><th class="th"><div>Dec. 31, 2018</div></th></tr>
<tr class="re">
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<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_XPL_SharebasedCompensationGrantDateFairValueTableTextBlock2TableTextBlock', window );">Grant Date Fair Value 2013 Plan</a></td>
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<tr>
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    <td style="vertical-align: top; width: 27%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">1/02/18 <font style="font-size: 8pt">(1)</font></td>
    <td style="vertical-align: bottom; width: 23%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">11/01/18 <font style="font-size: 8pt">(2)</font></td></tr>
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    <td style="border-top: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">$0.31</td></tr>
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    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">1,623,000</td></tr>
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    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">0.80</td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">5.00</td></tr>
<tr style="vertical-align: bottom">
    <td style="padding-right: 5.4pt; padding-left: 5.4pt">Expected volatility </td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">66%</td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">64%</td></tr>
<tr style="vertical-align: bottom">
    <td style="padding-right: 5.4pt; padding-left: 5.4pt">Risk free interest rate</td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">1.0%</td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">3.0%</td></tr>
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    <td style="padding-right: 5.4pt; padding-left: 5.4pt">Weighted average fair value </td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">$0.12</td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">$0.17</td></tr>
<tr style="vertical-align: bottom">
    <td style="padding-right: 5.4pt; padding-left: 5.4pt">Grant date fair value</td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">$12,000</td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">$282,000</td></tr>
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<p style="margin-top: 0; margin-bottom: 0">&#160;</p>

<p style="margin-top: 0; margin-bottom: 0"></p>

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    <td style="vertical-align: bottom; width: 12%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">7/12/17 <font style="font-size: 8pt">(1)</font></td>
    <td style="vertical-align: bottom; width: 11%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">7/12/17 <font style="font-size: 8pt">(1)</font></td>
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    <td style="vertical-align: top; width: 12%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">9/01/17 <font style="font-size: 8pt">(3)</font></td></tr>
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    <td style="border-top: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">$1.74</td>
    <td style="border-top: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">$1.52</td>
    <td style="border-top: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">$1.30</td>
    <td style="border-top: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">$0.54</td>
    <td style="border-top: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">$0.77</td>
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<tr style="vertical-align: bottom">
    <td style="padding-right: 5.4pt; padding-left: 5.4pt">Options granted </td>
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    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">425,068</td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">785,840</td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">214,320</td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">200,000</td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">2,300,000</td></tr>
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    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">0.84</td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">1.35</td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">1.50</td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">1.50</td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">5.0</td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">5.0</td></tr>
<tr style="vertical-align: bottom">
    <td style="padding-right: 5.4pt; padding-left: 5.4pt">Expected volatility </td>
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    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">67%</td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">67%</td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">67%</td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">64%</td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">64%</td></tr>
<tr style="vertical-align: bottom">
    <td style="padding-right: 5.4pt; padding-left: 5.4pt">Risk free interest rate</td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">1.0%</td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">1.0%</td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">1.0%</td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">1.0%</td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">1.7%</td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">1.7%</td></tr>
<tr style="vertical-align: bottom">
    <td style="padding-right: 5.4pt; padding-left: 5.4pt">Weighted average fair value </td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">$0.02</td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">$0.08</td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">$0.12</td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">$0.36</td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">$0.42</td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">$0.42</td></tr>
<tr style="vertical-align: bottom">
    <td style="padding-right: 5.4pt; padding-left: 5.4pt">Grant date fair value</td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">$7,000</td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">$26,000</td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">$72,000</td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">$59,000</td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">$126,000</td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">$970,000</td></tr>
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<tr>
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<tr>
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<tr style="vertical-align: bottom">
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<tr style="vertical-align: bottom">
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    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">-&#160;&#160;</td>
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<tr style="vertical-align: bottom">
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    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">-&#160;&#160;</td>
    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">&#160;</td></tr>
<tr style="vertical-align: bottom">
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    <td style="border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">-&#160;&#160;</td>
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    <td style="border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">&#160;</td>
    <td style="border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">-&#160;&#160;</td>
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    <td style="border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">&#160;</td></tr>
<tr style="vertical-align: bottom">
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    <td style="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">$0.76&#160;</td>
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<tr style="vertical-align: bottom">
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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<DOCUMENT>
<TYPE>XML
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<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
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<span style="display: none;">v3.10.0.1</span><table class="report" border="0" cellspacing="2" id="idp6746660560">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Business and Summary of Significan Accounting Policies - Results of Operations Zazu (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
<th class="th" colspan="1"></th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2017</div></th>
<th class="th"><div>Jul. 12, 2017</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>
<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_XPL_ValueOfStockIssuedForPurchaseofAssets', window );">Issuance of 19,788,177 shares of Solitario common stock</a></td>
<td class="text">&#160;<span></span>
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<td class="nump">$ 13,654<span></span>
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<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_XPL_ValueOptionsIssuedForReplacementOptions', window );">Replacement options</a></td>
<td class="text">&#160;<span></span>
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<td class="nump">$ 164<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_InvestmentBankingAdvisoryBrokerageAndUnderwritingFeesAndCommissions', window );">Investment banking and transaction costs</a></td>
<td class="nump">$ 782<span></span>
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<td class="text">&#160;<span></span>
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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_CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAccretableYieldDisposalsOfLoans', window );">Convertible debenture due Solitario, cancelled</a></td>
<td class="nump">1,510<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_AcquisitionCosts', window );">Total purchase price</a></td>
<td class="nump">$ 16,110<span></span>
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<td class="text">&#160;<span></span>
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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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<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>The capitalized costs incurred during the period (excluded from amortization) to purchase, lease or otherwise acquire an unproved property, including costs of lease bonuses and options to purchase or lease properties, the portion of costs applicable to minerals when land including mineral rights is purchased in fee, brokers' fees, recording fees, legal costs, and other costs incurred in acquiring properties.</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 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-10(c)(7)(ii))<br> -URI http://asc.fasb.org/extlink&amp;oid=82851474&amp;loc=d3e511914-122862<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 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-10(c)(3)(ii)(A))<br> -URI http://asc.fasb.org/extlink&amp;oid=82851474&amp;loc=d3e511914-122862<br></p></div>
<a href="javascript:void(0);" 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><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Sale or transfer of a loan during the period resulting in a reduction in the excess of a loan's cash flows expected to be collected over the investor's initial investment.  This relates to loans accounted for as debt securities, with evidence of deterioration of credit quality since origination that was acquired by completion of a transfer for which it is probable, at acquisition, that the investor will be unable to collect all contractually required payments receivable.</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 30<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (a)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=82894903&amp;loc=d3e15032-111544<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 30<br> -Section 15<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=82894507&amp;loc=d3e13503-111538<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAccretableYieldDisposalsOfLoans</td>
</tr>
<tr>
<td style="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_InvestmentBankingAdvisoryBrokerageAndUnderwritingFeesAndCommissions">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 fees and commissions from banking, advisory, brokerage, and securities underwriting activities. Activities include, but are not limited to, underwriting securities, private placements of securities, investment advisory and management services, merger and acquisition services, sale and servicing of mutual funds, and other related consulting fees.</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 220<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-04.13(b))<br> -URI http://asc.fasb.org/extlink&amp;oid=114873765&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_InvestmentBankingAdvisoryBrokerageAndUnderwritingFeesAndCommissions</td>
</tr>
<tr>
<td style="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>
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<td><strong> Balance Type:</strong></td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>duration</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>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td>xbrli:stringItemType</td>
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<td><strong> Balance Type:</strong></td>
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<span style="display: none;">v3.10.0.1</span><table class="report" border="0" cellspacing="2" id="idp6785895152">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Business and Summary of Significan Accounting Policies - Capitalized Transaction Costs Associated with Acquisition (Details)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr><th class="th">
<div>Dec. 31, 2017 </div>
<div>USD ($)</div>
</th></tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract', window );"><strong>Organization, Consolidation and Presentation of Financial Statements [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_XPL_InvestmentBankingFees', window );">Investment banking fees</a></td>
<td class="nump">$ 552<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_XPL_BusinessCombinationLegalAccountingCosts', window );">Legal and accounting costs</a></td>
<td class="nump">196<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherPaymentsToAcquireBusinesses', window );">Other costs and fees</a></td>
<td class="nump">34<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_BusinessCombinationAcquisitionRelatedCosts', window );">Total capitalized transaction costs</a></td>
<td class="nump">$ 782<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_XPL_BusinessCombinationLegalAccountingCosts">
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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;">XPL_BusinessCombinationLegalAccountingCosts</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>XPL_</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>debit</td>
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<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_XPL_InvestmentBankingFees">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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;">XPL_InvestmentBankingFees</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>XPL_</td>
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<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_BusinessCombinationAcquisitionRelatedCosts">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity 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 805<br> -SubTopic 10<br> -Section 25<br> -Paragraph 23<br> -URI http://asc.fasb.org/extlink&amp;oid=84229725&amp;loc=d3e1043-128460<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_BusinessCombinationAcquisitionRelatedCosts</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>
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<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
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</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>
<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_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract</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>
<td>xbrli:stringItemType</td>
</tr>
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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>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OtherPaymentsToAcquireBusinesses">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 other payments to acquire businesses including deposit on pending acquisitions and preacquisition 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 13<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=109223946&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_OtherPaymentsToAcquireBusinesses</td>
</tr>
<tr>
<td style="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>
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<TYPE>XML
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<TEXT>
<html>
<head>
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<link rel="stylesheet" type="text/css" href="report.css">
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<span style="display: none;">v3.10.0.1</span><table class="report" border="0" cellspacing="2" id="idp6793456048">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Business and Summary of Significan Accounting Policies - Purchase Price Allocated to Assets and Liabilities Acquired (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
<th class="th" colspan="1"></th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2017</div></th>
<th class="th"><div>Jul. 12, 2017</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>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Cash', window );">Cash</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 974<span></span>
</td>
</tr>
<tr class="re">
<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="text">&#160;<span></span>
</td>
<td class="nump">42<span></span>
</td>
</tr>
<tr class="ro">
<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</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">100<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_XPL_MineralPropertiesAcquisitionFairValue', window );">Mineral property</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">15,611<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent', window );">Accounts payable</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(492)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccruedReclamationCostsCurrent', window );">Asset retirement obligation &#150; Lik</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="num">$ (125)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AcquisitionCosts', window );">Total purchase price</a></td>
<td class="nump">$ 16,110<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_XPL_MineralPropertiesAcquisitionFairValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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;">XPL_MineralPropertiesAcquisitionFairValue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>XPL_</td>
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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>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 values as of the balance sheet date of obligations incurred through that date and due within one year (or the operating cycle, if longer), including liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received, taxes, interest, rent and utilities, accrued salaries and bonuses, payroll taxes and fringe benefits.</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 210.5-02.19,20)<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&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_AccountsPayableAndAccruedLiabilitiesCurrent</td>
</tr>
<tr>
<td style="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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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AccruedReclamationCostsCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Current portion of reclamation reserve to restore a mining or drilling site to the condition agreed upon within the mining or drilling contract.</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 6<br> -URI http://asc.fasb.org/extlink&amp;oid=82887183&amp;loc=d3e6911-107765<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 210.5-02.20)<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&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_AccruedReclamationCostsCurrent</td>
</tr>
<tr>
<td style="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_AcquisitionCosts">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 capitalized costs incurred during the period (excluded from amortization) to purchase, lease or otherwise acquire an unproved property, including costs of lease bonuses and options to purchase or lease properties, the portion of costs applicable to minerals when land including mineral rights is purchased in fee, brokers' fees, recording fees, legal costs, and other costs incurred in acquiring properties.</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 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-10(c)(7)(ii))<br> -URI http://asc.fasb.org/extlink&amp;oid=82851474&amp;loc=d3e511914-122862<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 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-10(c)(3)(ii)(A))<br> -URI http://asc.fasb.org/extlink&amp;oid=82851474&amp;loc=d3e511914-122862<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AcquisitionCosts</td>
</tr>
<tr>
<td style="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_Cash">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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. 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 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=6877327&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_Cash</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>
</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_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>
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<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>
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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>
<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_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract</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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<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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<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=6877327&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>
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<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
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<span style="display: none;">v3.10.0.1</span><table class="report" border="0" cellspacing="2" id="idp6784403904">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Business and Summary of Significan Accounting Policies (Details Narrative) - USD ($)<br> $ in Thousands</strong></div></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>
</tr>
<tr>
<th class="th"><div>Mar. 31, 2019</div></th>
<th class="th"><div>Mar. 31, 2018</div></th>
<th class="th"><div>Dec. 31, 2018</div></th>
<th class="th"><div>Dec. 31, 2017</div></th>
<th class="th"><div>Jul. 12, 2017</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>
<td class="text">&#160;<span></span>
</td>
<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_XPL_CommonStockIssuedForPurchaseOfAssets', window );">Common stock issued at .3572 shares for 1 share Zazu</a></td>
<td class="text">&#160;<span></span>
</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">19,788,177<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_XPL_ReplacementStockOptionsGranted', window );">Replacement options issued to Zazu</a></td>
<td class="text">&#160;<span></span>
</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">1,782,428<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AcquisitionCosts', window );">Total purchase price Zazu Acquisition</a></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">$ 16,110<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_XPL_PaymentsOfStockIssuanceCosts2', window );">Stock issuance costs related to Zazu</a></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">$ 117<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_XPL_CashInBrokerageAndOtherAccounts', window );">Cash and equivalents not covered under FDIC</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 113<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_USGovernmentSecuritiesAtCarryingValue', window );">United States Treasuries</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">9,345<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_CertificatesOfDepositAtCarryingValue', window );">Certificates of Deposit</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">500<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_InterestBearingForeignDepositMoneyMarket', window );">US dollar savings account in Peru</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 378<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_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount', window );">Potentially dilutive shares consisting of stock options</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">5,223,160<span></span>
</td>
<td class="nump">1,982,428<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_XPL_CumulativeEffectAdjustmentChangeInAccountingPrinciple', window );">Cumulative effect adjustment for change in accounting principle</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 576<span></span>
</td>
<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_XPL_UnrealizedGainLossOnMarketableSecuritiesCostMethodInvestmentsAndOtherInvestments1', window );">Unrealized loss on marketable equity securities</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 1,058<span></span>
</td>
<td class="text"> <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_NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfChangeOnOperatingResults', window );">Asset and offsetting liability upon adoption of ASU 2016-02</a></td>
<td class="nump">$ 80<span></span>
</td>
<td class="text">&#160;<span></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_XPL_CashInBrokerageAndOtherAccounts">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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;">XPL_CashInBrokerageAndOtherAccounts</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>XPL_</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_XPL_CommonStockIssuedForPurchaseOfAssets">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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;">XPL_CommonStockIssuedForPurchaseOfAssets</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>XPL_</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_XPL_CumulativeEffectAdjustmentChangeInAccountingPrinciple">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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;">XPL_CumulativeEffectAdjustmentChangeInAccountingPrinciple</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>XPL_</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_XPL_PaymentsOfStockIssuanceCosts2">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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;">XPL_PaymentsOfStockIssuanceCosts2</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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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_XPL_ReplacementStockOptionsGranted">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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;">XPL_ReplacementStockOptionsGranted</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>XPL_</td>
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<tr>
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<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_XPL_UnrealizedGainLossOnMarketableSecuritiesCostMethodInvestmentsAndOtherInvestments1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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;">XPL_UnrealizedGainLossOnMarketableSecuritiesCostMethodInvestmentsAndOtherInvestments1</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>XPL_</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_AcquisitionCosts">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 capitalized costs incurred during the period (excluded from amortization) to purchase, lease or otherwise acquire an unproved property, including costs of lease bonuses and options to purchase or lease properties, the portion of costs applicable to minerals when land including mineral rights is purchased in fee, brokers' fees, recording fees, legal costs, and other costs incurred in acquiring properties.</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 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-10(c)(7)(ii))<br> -URI http://asc.fasb.org/extlink&amp;oid=82851474&amp;loc=d3e511914-122862<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 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-10(c)(3)(ii)(A))<br> -URI http://asc.fasb.org/extlink&amp;oid=82851474&amp;loc=d3e511914-122862<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AcquisitionCosts</td>
</tr>
<tr>
<td style="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_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://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>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><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_CertificatesOfDepositAtCarryingValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 savings certificate entitling the Entity (that is, bearer) to receive interest at an established maturity date, based upon a fixed interest rate.  A certificate of deposit may be issued in any denomination. Certificates of deposit are generally issued by commercial banks and, therefore, insured by the FDIC (up to the prescribed limit).  Certificates of deposit generally restrict holders from withdrawing funds on demand without the incurrence of penalties.  Generally, only certificates of deposit with original maturities of three months or less qualify as cash equivalents. Original maturity means original maturity to the entity holding the investment. As a related example, both a three-month US Treasury bill and a three-year Treasury note purchased three months from maturity qualify as cash equivalents. However, a Treasury note purchased three-years ago does not become a cash equivalent when its remaining maturity is three months.</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 210.5-02.1)<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&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_CertificatesOfDepositAtCarryingValue</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>
</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_InterestBearingForeignDepositMoneyMarket">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 interest-bearing money market demand account deposit liabilities in foreign banking offices.</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 235<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-05(a))<br> -URI http://asc.fasb.org/extlink&amp;oid=6882215&amp;loc=d3e537907-122884<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 210.9-03.12)<br> -URI http://asc.fasb.org/extlink&amp;oid=6876686&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_InterestBearingForeignDepositMoneyMarket</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> Balance Type:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfChangeOnOperatingResults">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 effect of a change in accounting principle on operating profit or 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 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://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 250<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (b)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=109234566&amp;loc=d3e22499-107794<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 250<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=109234566&amp;loc=d3e22580-107794<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_NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfChangeOnOperatingResults</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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<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>
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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>
<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_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract</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:stringItemType</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_USGovernmentSecuritiesAtCarryingValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 (bills, notes or bonds) that are issued by the government of the United States which are 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. Generally, only investments with original maturities of three months or less qualify under that definition. Original maturity means original maturity to the entity holding the investment. For example, both a three-month US Treasury bill and a three-year Treasury note purchased three months from maturity qualify as cash equivalents. However, a Treasury note purchased three-years ago does not become a cash equivalent when its remaining maturity is three months.</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_USGovernmentSecuritiesAtCarryingValue</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>instant</td>
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<span style="display: none;">v3.10.0.1</span><table class="report" border="0" cellspacing="2" id="idp6778454768">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Mineral Properties - Capitalized Investment in Mineral Properties (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="2">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2018</div></th>
<th class="th"><div>Dec. 31, 2017</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_PropertyPlantAndEquipmentByTypeAxis=XPL_LikProjectAlaskaUSMember', window );">Lik project (Alaska US)</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_CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortization', window );">Capitalized Investment Mineral Properties</a></td>
<td class="nump">$ 15,611<span></span>
</td>
<td class="nump">$ 15,611<span></span>
</td>
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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_us-gaap_PropertyPlantAndEquipmentByTypeAxis=XPL_LaPromesaPeruMember', window );">La Promesa (Peru)</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_CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortization', window );">Capitalized Investment Mineral Properties</a></td>
<td class="nump">6<span></span>
</td>
<td class="nump">6<span></span>
</td>
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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_us-gaap_PropertyPlantAndEquipmentByTypeAxis=XPL_MontanaRoyaltyPropertyUSMember', window );">Montana Royalty property (US)</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_CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortization', window );">Capitalized Investment Mineral Properties</a></td>
<td class="nump">$ 40<span></span>
</td>
<td class="nump">$ 40<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_CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortization">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 sum of the capitalized costs incurred during the period of unproved properties excluded from amortization including acquisition costs, exploration costs, development costs, and production 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 932<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-10(c)(7)(ii))<br> -URI http://asc.fasb.org/extlink&amp;oid=82851474&amp;loc=d3e511914-122862<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortization</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>
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<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_PropertyPlantAndEquipmentByTypeAxis=XPL_LikProjectAlaskaUSMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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=XPL_LikProjectAlaskaUSMember</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=XPL_LaPromesaPeruMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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=XPL_LaPromesaPeruMember</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=XPL_MontanaRoyaltyPropertyUSMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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=XPL_MontanaRoyaltyPropertyUSMember</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>50
<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">
							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;">v3.10.0.1</span><table class="report" border="0" cellspacing="2" id="idp6629390112">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Mineral Properties - Exploration Expense (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="2">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2018</div></th>
<th class="th"><div>Dec. 31, 2017</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_srt_ExtractiveIndustriesAbstract', window );"><strong>Extractive Industries [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 custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_XPL_ExplorationGeologicAndFieldExpense', window );">Geologic and field expenses</a></td>
<td class="nump">$ 1,165<span></span>
</td>
<td class="nump">$ 447<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherGeneralAndAdministrativeExpense', window );">Administrative</a></td>
<td class="nump">89<span></span>
</td>
<td class="nump">252<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_XPL_ExplorationExpenseMineralProperties', window );">Total exploration expense</a></td>
<td class="nump">$ 1,254<span></span>
</td>
<td class="nump">$ 699<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_XPL_ExplorationExpenseMineralProperties">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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;">XPL_ExplorationExpenseMineralProperties</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>XPL_</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_XPL_ExplorationGeologicAndFieldExpense">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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;">XPL_ExplorationGeologicAndFieldExpense</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>XPL_</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_srt_ExtractiveIndustriesAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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;">srt_ExtractiveIndustriesAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>srt_</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_OtherGeneralAndAdministrativeExpense">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 general and administrative 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)<br> -URI http://asc.fasb.org/extlink&amp;oid=115205541&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_OtherGeneralAndAdministrativeExpense</td>
</tr>
<tr>
<td style="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>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>51
<FILENAME>R35.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;">v3.10.0.1</span><table class="report" border="0" cellspacing="2" id="idp6626012064">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Marketable Equity Securities and Adjustments to Fair Value (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th"><div>Dec. 31, 2018</div></th>
<th class="th"><div>Dec. 31, 2017</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_MarketableSecuritiesAbstract', window );"><strong>Marketable Securities [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_TradingSecuritiesCost', window );">Marketable equity securities at cost</a></td>
<td class="nump">$ 1,714<span></span>
</td>
<td class="nump">$ 1,714<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AvailableForSaleEquitySecuritiesAccumulatedGrossUnrealizedGainBeforeTax', window );">Cumulative unrealized (loss) gain on marketable equity securities</a></td>
<td class="num">(129)<span></span>
</td>
<td class="nump">929<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AvailableForSaleSecuritiesCurrent', window );">Marketable equity securities at fair value</a></td>
<td class="nump">$ 1,585<span></span>
</td>
<td class="nump">$ 2,643<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_AvailableForSaleEquitySecuritiesAccumulatedGrossUnrealizedGainBeforeTax">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 tax of unrealized gain in accumulated other comprehensive income (AOCI) on investments in equity securities classified as available-for-sale.</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_AvailableForSaleEquitySecuritiesAccumulatedGrossUnrealizedGainBeforeTax</td>
</tr>
<tr>
<td style="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_AvailableForSaleSecuritiesCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 debt and equity securities categorized neither as trading securities nor held-to-maturity securities and intended be sold or mature one year or operating cycle, if longer.</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_AvailableForSaleSecuritiesCurrent</td>
</tr>
<tr>
<td style="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_MarketableSecuritiesAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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_MarketableSecuritiesAbstract</td>
</tr>
<tr>
<td style="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_TradingSecuritiesCost">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Cost of investments in debt and equity securities and other forms of securities that provide ownership interests classified as trading.</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_TradingSecuritiesCost</td>
</tr>
<tr>
<td style="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>52
<FILENAME>R36.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;">v3.10.0.1</span><table class="report" border="0" cellspacing="2" id="idp6743333216">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Changes in Marketable Equity Securities (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="2">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2018</div></th>
<th class="th"><div>Dec. 31, 2017</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_MarketableSecuritiesAbstract', window );"><strong>Marketable Securities [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 custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_XPL_CostMarketableSecurities', window );">Cost of marketable equity securities sold</a></td>
<td class="text"> <span></span>
</td>
<td class="nump">$ 88<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RealizedGainLossOnMarketableSecuritiesCostMethodInvestmentsAndOtherInvestments', window );">Realized gain on marketable equity securities sold</a></td>
<td class="text"> <span></span>
</td>
<td class="nump">578<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesEquity', window );">Proceeds from the sale of marketable equity securities sold</a></td>
<td class="text"> <span></span>
</td>
<td class="num">(666)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PaymentsToAcquireAvailableForSaleSecurities', window );">Purchase of marketable equity securities</a></td>
<td class="text"> <span></span>
</td>
<td class="nump">1,528<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MarketableSecuritiesGainLoss', window );">Gross (loss) gain on marketable equity securities</a></td>
<td class="num">(1,058)<span></span>
</td>
<td class="nump">442<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncreaseDecreaseInTradingSecurities', window );">Change in marketable equity securities at fair value</a></td>
<td class="num">$ (1,058)<span></span>
</td>
<td class="nump">$ 1,304<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_XPL_CostMarketableSecurities">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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;">XPL_CostMarketableSecurities</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>XPL_</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_IncreaseDecreaseInTradingSecurities">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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) of investment in debt and equity securities, measured at fair value with changes in fair value recognized in net 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 45<br> -Paragraph 28<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=109223946&amp;loc=d3e3602-108585<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 19<br> -URI http://asc.fasb.org/extlink&amp;oid=109223946&amp;loc=d3e3444-108585<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_IncreaseDecreaseInTradingSecurities</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>
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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 );">- 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_MarketableSecuritiesAbstract</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>
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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>
</tr>
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</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_MarketableSecuritiesGainLoss">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 unrealized and realized gain (loss) on investment in marketable security, including other-than-temporary impairment (OTTI).</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_MarketableSecuritiesGainLoss</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>
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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>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_PaymentsToAcquireAvailableForSaleSecurities">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 to acquire debt and equity securities not classified as either held-to-maturity securities or trading securities which would be classified as available-for-sale securities and reported at fair value, with unrealized gains and losses excluded from earnings and reported in a separate component of shareholders' 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 320<br> -SubTopic 10<br> -Section 45<br> -Paragraph 11<br> -URI http://asc.fasb.org/extlink&amp;oid=109979856&amp;loc=d3e26853-111562<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 13<br> -Subparagraph (a),(b)<br> -URI http://asc.fasb.org/extlink&amp;oid=109223946&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_PaymentsToAcquireAvailableForSaleSecurities</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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<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_ProceedsFromSaleOfAvailableForSaleSecuritiesEquity">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 associated with the sale of equity securities classified as available-for-sale 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 320<br> -SubTopic 10<br> -Section 45<br> -Paragraph 11<br> -URI http://asc.fasb.org/extlink&amp;oid=109979856&amp;loc=d3e26853-111562<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 12<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=109223946&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_ProceedsFromSaleOfAvailableForSaleSecuritiesEquity</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>
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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>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_RealizedGainLossOnMarketableSecuritiesCostMethodInvestmentsAndOtherInvestments">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 item represents the total realized gain (loss) included in earnings for the period as a result of selling marketable securities categorized as trading, available-for-sale, or held-to-maturity and any gains or losses realized during the period from the sale of investments accounted for under the cost method of accounting and/or investments that are separately or otherwise not categorized as trading, available-for-sale, or held-to-maturity. Additionally, this item would include any losses recognized for other than temporary impairments (OTTI) of the subject investments in debt and equity 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;">us-gaap_RealizedGainLossOnMarketableSecuritiesCostMethodInvestmentsAndOtherInvestments</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td>duration</td>
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<span style="display: none;">v3.10.0.1</span><table class="report" border="0" cellspacing="2" id="idp6780243424">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Realized and Unrealized Gain (Loss) on Marketable Equity Securities (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="2">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2018</div></th>
<th class="th"><div>Dec. 31, 2017</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_MarketableSecuritiesAbstract', window );"><strong>Marketable Securities [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_MarketableSecuritiesGainLoss', window );">Gross (loss) gain on marketable securities</a></td>
<td class="num">$ (1,058)<span></span>
</td>
<td class="nump">$ 442<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_RealizedGainLossOnMarketableSecuritiesCostMethodInvestmentsAndOtherInvestments', window );">Realized gain on marketable equity securities sold</a></td>
<td class="text"> <span></span>
</td>
<td class="num">(578)<span></span>
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<td class="num">$ (1,058)<span></span>
</td>
<td class="num">$ (136)<span></span>
</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>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_MarketableSecuritiesAbstract</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 unrealized and realized gain (loss) on investment in marketable security, including other-than-temporary impairment (OTTI).</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_MarketableSecuritiesGainLoss</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</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 unrealized gain (loss) on investment in marketable 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 220<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03(7)(c))<br> -URI http://asc.fasb.org/extlink&amp;oid=115205541&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_MarketableSecuritiesUnrealizedGainLoss</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>This item represents the total realized gain (loss) included in earnings for the period as a result of selling marketable securities categorized as trading, available-for-sale, or held-to-maturity and any gains or losses realized during the period from the sale of investments accounted for under the cost method of accounting and/or investments that are separately or otherwise not categorized as trading, available-for-sale, or held-to-maturity. Additionally, this item would include any losses recognized for other than temporary impairments (OTTI) of the subject investments in debt and equity 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;">us-gaap_RealizedGainLossOnMarketableSecuritiesCostMethodInvestmentsAndOtherInvestments</td>
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<span style="display: none;">v3.10.0.1</span><table class="report" border="0" cellspacing="2" id="idp6784895216">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Marketable Equity Securities (Details Narrative) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2017</div></th>
<th class="th"><div>Dec. 31, 2018</div></th>
<th class="th"><div>May 02, 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_MarketableSecuritiesAbstract', window );"><strong>Marketable Securities [Abstract]</strong></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 custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_XPL_UnitsOfSharesAndWarrantsPurchased', window );">Units Vendetta purchased</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">7,240,000<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_XPL_CostOfFinancialInstrumentsOwned', window );">Aggregate consideration for units of Vendetta (common stock $186,000; Warrants $103,000)</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 289<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_XPL_SharesSoldMarketableEquitySecurities', window );">Common shares Vendetta sold</a></td>
<td class="nump">3,480,000<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_XPL_SharesOwnedVendetta', window );">Vendetta shares owned</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">11,000,000<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_ProceedsFromSalesOfAssetsInvestingActivities', window );">Proceeds from sale of Vendetta</a></td>
<td class="nump">$ 666<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_XPL_IntrinsicValueWarrant', window );">Value Vendetta warrants (exercise date)</a></td>
<td class="nump">950<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_PaymentsToAcquireMarketableSecurities', window );">Cash paid to exercise Vendetta warrants</a></td>
<td class="nump">$ 578<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_XPL_CostOfFinancialInstrumentsOwned">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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;">XPL_CostOfFinancialInstrumentsOwned</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>XPL_</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_XPL_IntrinsicValueWarrant">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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;">XPL_IntrinsicValueWarrant</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>XPL_</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_XPL_SharesOwnedVendetta">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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;">XPL_SharesOwnedVendetta</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>XPL_</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_XPL_SharesSoldMarketableEquitySecurities">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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;">XPL_SharesSoldMarketableEquitySecurities</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>XPL_</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_XPL_UnitsOfSharesAndWarrantsPurchased">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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;">XPL_UnitsOfSharesAndWarrantsPurchased</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>XPL_</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_MarketableSecuritiesAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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_MarketableSecuritiesAbstract</td>
</tr>
<tr>
<td style="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_PaymentsToAcquireMarketableSecurities">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 outflow for purchase of marketable 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 320<br> -SubTopic 10<br> -Section 45<br> -Paragraph 11<br> -URI http://asc.fasb.org/extlink&amp;oid=109979856&amp;loc=d3e26853-111562<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PaymentsToAcquireMarketableSecurities</td>
</tr>
<tr>
<td style="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_ProceedsFromSalesOfAssetsInvestingActivities">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 cash proceeds received from a combination of transactions that are classified as investing activities in which assets, which may include one or more investments, are sold to third-party buyers. This element can be used by entities to aggregate proceeds from all asset sales that are classified as investing activities.</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 12<br> -URI http://asc.fasb.org/extlink&amp;oid=109223946&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_ProceedsFromSalesOfAssetsInvestingActivities</td>
</tr>
<tr>
<td style="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>
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<span style="display: none;">v3.10.0.1</span><table class="report" border="0" cellspacing="2" id="idp6784742480">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Other Assets - Other Assets (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th"><div>Dec. 31, 2018</div></th>
<th class="th"><div>Dec. 31, 2017</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_DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureAbstract', window );"><strong>Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [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_PropertyPlantAndEquipmentNet', window );">Furniture and fixtures, net of accumulated depreciation</a></td>
<td class="nump">$ 36<span></span>
</td>
<td class="nump">$ 31<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedEquipment', window );">Lik project equipment, net of accumulated depreciation</a></td>
<td class="nump">70<span></span>
</td>
<td class="nump">90<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_XPL_OtherAssetsVendettaWarrants', window );">Exploration bonds and other assets</a></td>
<td class="nump">4<span></span>
</td>
<td class="nump">4<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherAssets', window );">Total other assets</a></td>
<td class="nump">$ 110<span></span>
</td>
<td class="nump">$ 125<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_XPL_OtherAssetsVendettaWarrants">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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;">XPL_OtherAssetsVendettaWarrants</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>XPL_</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_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedEquipment">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 tangible personal property used to produce goods and services, including, but is not limited to, tools, dies and molds, computer and office equipment, 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=84161108&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_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedEquipment</td>
</tr>
<tr>
<td style="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_DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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_DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureAbstract</td>
</tr>
<tr>
<td style="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_OtherAssets">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 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=6877327&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 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-03(10))<br> -URI http://asc.fasb.org/extlink&amp;oid=6876686&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)(10))<br> -URI http://asc.fasb.org/extlink&amp;oid=6879938&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_OtherAssets</td>
</tr>
<tr>
<td style="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=6877327&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=6879938&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=6877327&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>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>56
<FILENAME>R40.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';
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</head>
<body>
<span style="display: none;">v3.10.0.1</span><table class="report" border="0" cellspacing="2" id="idp6630158144">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Other Assets (Details Narrative) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="2">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2018</div></th>
<th class="th"><div>Dec. 31, 2017</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_DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureAbstract', window );"><strong>Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [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 custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_XPL_AcquisitionExplorationRelatedEquipment', window );">Acquisition of exploration related equipment</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 100<span></span>
</td>
</tr>
<tr class="re">
<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 expense recorded</a></td>
<td class="nump">$ 20<span></span>
</td>
<td class="nump">10<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_XPL_GainOnWarrants', window );">Gain on derivative instruments related to Vendetta Warrants</a></td>
<td class="text"> <span></span>
</td>
<td class="nump">$ 216<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_XPL_AcquisitionExplorationRelatedEquipment">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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;">XPL_AcquisitionExplorationRelatedEquipment</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>XPL_</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_XPL_GainOnWarrants">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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;">XPL_GainOnWarrants</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>XPL_</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_DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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_DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureAbstract</td>
</tr>
<tr>
<td style="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_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=109223946&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>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>57
<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">
							function toggleNextSibling (e) {
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							}</script>
</head>
<body>
<span style="display: none;">v3.10.0.1</span><table class="report" border="0" cellspacing="2" id="idp6628430928">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Revenue Mineral Property Sale (Details Narrative)<br> $ in Thousands</strong></div></th>
<th class="th">
<div>Apr. 26, 2018 </div>
<div>USD ($)</div>
</th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_XPL_NotesToFinancialStatementsAbstract', window );"><strong>Notes to Financial Statements</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_XPL_ProceedsSaleOfMineralRoyaltyProperty', window );">Sale of Yanacocha royalty interest</a></td>
<td class="nump">$ 502<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_XPL_NotesToFinancialStatementsAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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;">XPL_NotesToFinancialStatementsAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>XPL_</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_XPL_ProceedsSaleOfMineralRoyaltyProperty">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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;">XPL_ProceedsSaleOfMineralRoyaltyProperty</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>XPL_</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>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>58
<FILENAME>R42.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;">v3.10.0.1</span><table class="report" border="0" cellspacing="2" id="idp6795603920">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th"><div>Dec. 31, 2018</div></th>
<th class="th"><div>Dec. 31, 2017</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_ComponentsOfDeferredTaxAssetsAbstract', window );"><strong>Deferred tax 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_DeferredTaxAssetsOperatingLossCarryforwards', window );">Loss carryovers</a></td>
<td class="nump">$ 12,432<span></span>
</td>
<td class="nump">$ 12,178<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredTaxAssetsInvestments', window );">Investment in Mineral Property</a></td>
<td class="nump">1,669<span></span>
</td>
<td class="nump">1,952<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CapitalizedCostsMineralInterestsInUnprovedProperties', window );">Capitalized Exploration Costs</a></td>
<td class="nump">877<span></span>
</td>
<td class="nump">1,205<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_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost', window );">Stock option compensation expense</a></td>
<td class="nump">150<span></span>
</td>
<td class="nump">13<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredTaxAssetsPropertyPlantAndEquipment', window );">Royalty</a></td>
<td class="text"> <span></span>
</td>
<td class="nump">989<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredTaxAssetsDerivativeInstruments', window );">Unrealized loss on derivative securities</a></td>
<td class="nump">60<span></span>
</td>
<td class="nump">28<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredTaxAssetsOther', window );">Other</a></td>
<td class="nump">135<span></span>
</td>
<td class="nump">135<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_TaxCreditCarryforwardValuationAllowance', window );">Valuation allowance</a></td>
<td class="num">(15,099)<span></span>
</td>
<td class="num">(16,249)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredTaxAssetsGross', window );">Total deferred tax assets</a></td>
<td class="nump">224<span></span>
</td>
<td class="nump">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_DeferredTaxLiabilitiesAbstract', window );"><strong>Deferred tax 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_DeferredTaxLiabilitiesDerivatives', window );">Unrealized gain on derivative securities</a></td>
<td class="text"> <span></span>
</td>
<td class="text"> <span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredTaxLiabilitiesInvestments', window );">Unrealized gains on marketable equity securities</a></td>
<td class="nump">209<span></span>
</td>
<td class="nump">230<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredTaxLiabilitiesOther', window );">Other</a></td>
<td class="nump">15<span></span>
</td>
<td class="nump">21<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredIncomeTaxLiabilities', window );">Total deferred tax liabilities</a></td>
<td class="nump">224<span></span>
</td>
<td class="nump">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_DeferredTaxAssetsLiabilitiesNet', window );">Net deferred tax liabilities</a></td>
<td class="text"> <span></span>
</td>
<td class="text"> <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_CapitalizedCostsMineralInterestsInUnprovedProperties">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Capitalized costs of unproven properties that include fee ownership or a lease, concession, or other interest representing the right to extract oil or gas subject to such terms as may be imposed by the conveyance of that 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 932<br> -SubTopic 235<br> -Section 50<br> -Paragraph 14<br> -URI http://asc.fasb.org/extlink&amp;oid=68064819&amp;loc=d3e61926-109447<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 932<br> -URI http://asc.fasb.org/topic&amp;trid=2145477<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 932<br> -SubTopic 235<br> -Section 50<br> -Paragraph 13<br> -URI http://asc.fasb.org/extlink&amp;oid=68064819&amp;loc=d3e61901-109447<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CapitalizedCostsMineralInterestsInUnprovedProperties</td>
</tr>
<tr>
<td style="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_ComponentsOfDeferredTaxAssetsAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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_ComponentsOfDeferredTaxAssetsAbstract</td>
</tr>
<tr>
<td style="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_DeferredIncomeTaxLiabilities">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 liability attributable to taxable temporary differences.</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(26)(b))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&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(15)(b)(2))<br> -URI http://asc.fasb.org/extlink&amp;oid=6879938&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(15)(2))<br> -URI http://asc.fasb.org/extlink&amp;oid=6876686&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(26)(a))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&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 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (a)<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_DeferredIncomeTaxLiabilities</td>
</tr>
<tr>
<td style="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_DeferredTaxAssetsDerivativeInstruments">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 temporary differences from derivative 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 740<br> -SubTopic 10<br> -Section 25<br> -Paragraph 20<br> -URI http://asc.fasb.org/extlink&amp;oid=115928272&amp;loc=d3e28680-109314<br><br>Reference 2: 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 6<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32621-109319<br><br>Reference 3: 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 8<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32632-109319<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_DeferredTaxAssetsDerivativeInstruments</td>
</tr>
<tr>
<td style="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_DeferredTaxAssetsGross">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 temporary differences and carryforwards.</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 (b)<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_DeferredTaxAssetsGross</td>
</tr>
<tr>
<td style="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_DeferredTaxAssetsInvestments">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 temporary differences from investments (excludes investments in subsidiaries and equity method investments).</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_DeferredTaxAssetsInvestments</td>
</tr>
<tr>
<td style="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_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://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> -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_DeferredTaxAssetsOperatingLossCarryforwards">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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.</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 6<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32621-109319<br><br>Reference 2: 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 8<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32632-109319<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 25<br> -Paragraph 20<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=115928272&amp;loc=d3e28680-109314<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredTaxAssetsOperatingLossCarryforwards</td>
</tr>
<tr>
<td style="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_DeferredTaxAssetsOther">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 allowance, of deferred tax asset attributable to deductible temporary differences, 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 740<br> -SubTopic 10<br> -Section 25<br> -Paragraph 20<br> -URI http://asc.fasb.org/extlink&amp;oid=115928272&amp;loc=d3e28680-109314<br><br>Reference 2: 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 8<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32632-109319<br><br>Reference 3: 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 6<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32621-109319<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_DeferredTaxAssetsOther</td>
</tr>
<tr>
<td style="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_DeferredTaxAssetsPropertyPlantAndEquipment">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 temporary differences from property, plant, and 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_DeferredTaxAssetsPropertyPlantAndEquipment</td>
</tr>
<tr>
<td style="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_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 temporary differences from share-based compensation.</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 25<br> -Paragraph 20<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=115928272&amp;loc=d3e28680-109314<br><br>Reference 2: 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 8<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32632-109319<br><br>Reference 3: 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 6<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32621-109319<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_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost</td>
</tr>
<tr>
<td style="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_DeferredTaxLiabilitiesAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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_DeferredTaxLiabilitiesAbstract</td>
</tr>
<tr>
<td style="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_DeferredTaxLiabilitiesDerivatives">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 liability attributable to taxable temporary differences from derivatives.</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 6<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32621-109319<br><br>Reference 2: 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 8<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32632-109319<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_DeferredTaxLiabilitiesDerivatives</td>
</tr>
<tr>
<td style="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_DeferredTaxLiabilitiesInvestments">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 liability attributable to taxable temporary differences from investments (excludes investments in subsidiaries and equity method investments).</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_DeferredTaxLiabilitiesInvestments</td>
</tr>
<tr>
<td style="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_DeferredTaxLiabilitiesOther">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 liability attributable to taxable temporary differences 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 740<br> -SubTopic 10<br> -Section 25<br> -Paragraph 20<br> -URI http://asc.fasb.org/extlink&amp;oid=115928272&amp;loc=d3e28680-109314<br><br>Reference 2: 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 8<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32632-109319<br><br>Reference 3: 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 6<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32621-109319<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_DeferredTaxLiabilitiesOther</td>
</tr>
<tr>
<td style="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_TaxCreditCarryforwardValuationAllowance">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 valuation allowance pertaining to the deferred tax asset representing potential future taxable deductions from tax credit 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_TaxCreditCarryforwardValuationAllowance</td>
</tr>
<tr>
<td style="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>
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<span style="display: none;">v3.10.0.1</span><table class="report" border="0" cellspacing="2" id="idp6768216288">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Income Taxes - Income Tax from Continuing Operations (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="2">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2018</div></th>
<th class="th"><div>Dec. 31, 2017</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>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxReconciliationTaxContingencies', window );">Expected income tax benefit</a></td>
<td class="num">$ (756)<span></span>
</td>
<td class="num">$ (355)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost', window );">Equity based compensation</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_IncomeTaxReconciliationForeignIncomeTaxRateDifferential', window );">Foreign tax rate differences</a></td>
<td class="num">(27)<span></span>
</td>
<td class="nump">17<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes', window );">State income tax</a></td>
<td class="num">(143)<span></span>
</td>
<td class="num">(27)<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_XPL_ImpactTaxLegislation', window );">Impact of Tax Legislation</a></td>
<td class="text"> <span></span>
</td>
<td class="nump">4,494<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxExpenseBenefitContinuingOperationsAdjustmentOfDeferredTaxAssetLiability', window );">Adjustment to Deferred Taxes</a></td>
<td class="nump">2,058<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_IncomeTaxReconciliationChangeInEnactedTaxRate', window );">Change in Tax Rate</a></td>
<td class="nump">53<span></span>
</td>
<td class="text"> <span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance', window );">Change in valuation allowance</a></td>
<td class="num">(1,164)<span></span>
</td>
<td class="num">(4,120)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxReconciliationDeductionsOther', window );">Permanent differences and other</a></td>
<td class="num">(21)<span></span>
</td>
<td class="num">(9)<span></span>
</td>
</tr>
<tr class="re">
<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) expense</a></td>
<td class="text"> <span></span>
</td>
<td class="text"> <span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_XPL_ImpactTaxLegislation">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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;">XPL_ImpactTaxLegislation</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>XPL_</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_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_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 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 22<br> -Subparagraph (h)<br> -URI http://asc.fasb.org/extlink&amp;oid=115929826&amp;loc=d3e8736-108599<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(h))<br> -URI http://asc.fasb.org/extlink&amp;oid=26873400&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 740<br> -SubTopic 20<br> -Section 45<br> -Paragraph 2<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=109238882&amp;loc=d3e38679-109324<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><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_IncomeTaxExpenseBenefitContinuingOperationsAdjustmentOfDeferredTaxAssetLiability">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 tax expense (benefit) from continuing operations attributable to an adjustment of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of 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 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 9<br> -Subparagraph (g)<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_IncomeTaxExpenseBenefitContinuingOperationsAdjustmentOfDeferredTaxAssetLiability</td>
</tr>
<tr>
<td style="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><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in the valuation allowance for deferred tax 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 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 13<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32698-109319<br><br>Reference 2: 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 12<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32687-109319<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 45<br> -Paragraph 20<br> -URI http://asc.fasb.org/extlink&amp;oid=84176650&amp;loc=d3e32123-109318<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance</td>
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<tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeTaxReconciliationChangeInEnactedTaxRate">
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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 the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations, attributable to increase (decrease) in the income tax 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 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 13<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32698-109319<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 45<br> -Paragraph 15<br> -URI http://asc.fasb.org/extlink&amp;oid=84176650&amp;loc=d3e32059-109318<br><br>Reference 3: 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 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_IncomeTaxReconciliationChangeInEnactedTaxRate</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 difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other deductions.</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 12<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32687-109319<br><br>Reference 2: 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 13<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32698-109319<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_IncomeTaxReconciliationDeductionsOther</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> Balance Type:</strong></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_IncomeTaxReconciliationForeignIncomeTaxRateDifferential">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to foreign income tax expense (benefit).</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 13<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32698-109319<br><br>Reference 2: 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 12<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32687-109319<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 S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08(h)(1))<br> -URI http://asc.fasb.org/extlink&amp;oid=26873400&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_IncomeTaxReconciliationForeignIncomeTaxRateDifferential</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>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to nondeductible equity-based compensation 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 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 13<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32698-109319<br><br>Reference 2: 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 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_IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to state and local income tax expense (benefit).</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 12<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32687-109319<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)(2))<br> -URI http://asc.fasb.org/extlink&amp;oid=26873400&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 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 13<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32698-109319<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_IncomeTaxReconciliationStateAndLocalIncomeTaxes</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 );">- Definition</a><div><p>Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in income tax contingencies. Including, but not limited to, domestic tax contingency, foreign tax contingency, state and local tax contingency, and other contingencies.</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 12<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32687-109319<br><br>Reference 2: 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 13<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32698-109319<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_IncomeTaxReconciliationTaxContingencies</td>
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<span style="display: none;">v3.10.0.1</span><table class="report" border="0" cellspacing="2" id="idp6790117504">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Income Taxes (Details Narrative) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="2">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2018</div></th>
<th class="th"><div>Dec. 31, 2017</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_IncomeTaxDisclosureAbstract', window );"><strong>Income Tax Disclosure [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<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_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic', window );">Consolidated loss before income taxes</a></td>
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<td class="nump">$ 322<span></span>
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<td class="text">&#160;<span></span>
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<td class="nump">4,494<span></span>
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<td class="text">&#160;<span></span>
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<td class="nump">10,366<span></span>
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<td class="nump">15,404<span></span>
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<td class="nump">$ 15,980<span></span>
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<td class="nump">11,132<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_DeferredTaxAssetsOperatingLossCarryforwardsForeign', window );">Canadian loss carryforwards</a></td>
<td class="nump">$ 9,205<span></span>
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<td class="text">&#160;<span></span>
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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 deferred tax asset attributable to deductible temporary differences and carryforwards 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=84161108&amp;loc=d3e4845-128472<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 45<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=84176650&amp;loc=d3e31917-109318<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxAssets</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 );">- Definition</a><div><p>Amount of other deferred income tax expense (benefit) pertaining to income (loss) from continuing operations. For example, but not limited to, acquisition-date income tax benefits or expenses recognized from changes in the acquirer's valuation allowance for its previously existing deferred tax assets resulting from a business combination and adjustments to beginning-of-year balance of a valuation allowance because of a change in circumstance causing a change in judgment about the realizability of the related deferred tax asset in future periods.</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.(h))<br> -URI http://asc.fasb.org/extlink&amp;oid=26873400&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 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 9<br> -Subparagraph (g)<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32639-109319<br><br>Reference 3: 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 9<br> -Subparagraph (h)<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32639-109319<br><br>Reference 4: 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=34349781&amp;loc=d3e330036-122817<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredOtherTaxExpenseBenefit</td>
</tr>
<tr>
<td style="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_DeferredTaxAssetsCapitalLossCarryforwards">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 capital loss carryforwards.</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 8<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32632-109319<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 25<br> -Paragraph 20<br> -URI http://asc.fasb.org/extlink&amp;oid=115928272&amp;loc=d3e28680-109314<br><br>Reference 3: 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 6<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32621-109319<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_DeferredTaxAssetsCapitalLossCarryforwards</td>
</tr>
<tr>
<td style="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_DeferredTaxAssetsOperatingLossCarryforwardsDomestic">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 domestic operating loss carryforwards. Excludes state and local operating loss carryforwards.</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 6<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32621-109319<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 25<br> -Paragraph 20<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=115928272&amp;loc=d3e28680-109314<br><br>Reference 3: 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 8<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32632-109319<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_DeferredTaxAssetsOperatingLossCarryforwardsDomestic</td>
</tr>
<tr>
<td style="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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<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_DeferredTaxAssetsOperatingLossCarryforwardsForeign">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 foreign operating loss carryforwards.</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 6<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32621-109319<br><br>Reference 2: 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 8<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32632-109319<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 25<br> -Paragraph 20<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=115928272&amp;loc=d3e28680-109314<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsForeign</td>
</tr>
<tr>
<td style="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_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 earnings or loss from continuing operations before income taxes that is attributable to domestic 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 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=26873400&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_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic</td>
</tr>
<tr>
<td style="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_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>
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<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
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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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<span style="display: none;">v3.10.0.1</span><table class="report" border="0" cellspacing="2" id="idp6630202320">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Derivative Instruments - Gain on Derivative Instruments (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="2">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2018</div></th>
<th class="th"><div>Dec. 31, 2017</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_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract', window );"><strong>Derivative Instruments and Hedging Activities Disclosure [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 custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_XPL_GainOnCalls', window );">Gain on Kinross calls</a></td>
<td class="text"> <span></span>
</td>
<td class="nump">$ 55<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_XPL_GainOnWarrants', window );">Gain on Vendetta Warrants</a></td>
<td class="text"> <span></span>
</td>
<td class="nump">216<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_XPL_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet2', window );">Gain on Derivative Instruments</a></td>
<td class="text"> <span></span>
</td>
<td class="nump">$ 271<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_XPL_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet2">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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;">XPL_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet2</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>XPL_</td>
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<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>
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</table></div>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_XPL_GainOnCalls">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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;">XPL_GainOnCalls</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>XPL_</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>debit</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_XPL_GainOnWarrants">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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;">XPL_GainOnWarrants</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>XPL_</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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<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_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td>xbrli:stringItemType</td>
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<DOCUMENT>
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<span style="display: none;">v3.10.0.1</span><table class="report" border="0" cellspacing="2" id="idp6637218928">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Fair Value of Financial Instruments - Financial Assets and Liabilities Measured at Fair Value (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th"><div>Dec. 31, 2018</div></th>
<th class="th"><div>Dec. 31, 2017</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_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member', window );">Level 1</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_AssetsFairValueDisclosureAbstract', window );"><strong>Assets</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_CashAndCashEquivalentsFairValueDisclosure', window );">Short-term investments</a></td>
<td class="nump">$ 10,223<span></span>
</td>
<td class="nump">$ 11,642<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InvestmentsFairValueDisclosure', window );">Marketable equity securities</a></td>
<td class="nump">1,585<span></span>
</td>
<td class="nump">2,643<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_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member', window );">Level 2</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_AssetsFairValueDisclosureAbstract', window );"><strong>Assets</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_CashAndCashEquivalentsFairValueDisclosure', window );">Short-term investments</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_InvestmentsFairValueDisclosure', window );">Marketable equity securities</a></td>
<td class="text"> <span></span>
</td>
<td class="text"> <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_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member', window );">Level 3</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_AssetsFairValueDisclosureAbstract', window );"><strong>Assets</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_CashAndCashEquivalentsFairValueDisclosure', window );">Short-term investments</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_InvestmentsFairValueDisclosure', window );">Marketable equity securities</a></td>
<td class="text"> <span></span>
</td>
<td class="text"> <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_AssetsFairValueDisclosureAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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_AssetsFairValueDisclosureAbstract</td>
</tr>
<tr>
<td style="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_CashAndCashEquivalentsFairValueDisclosure">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 portion 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.</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_CashAndCashEquivalentsFairValueDisclosure</td>
</tr>
<tr>
<td style="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_InvestmentsFairValueDisclosure">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 portion of investment securities, including, but not limited to, marketable securities, derivative financial instruments, and investments accounted for under the equity method.</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 820<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=99377789&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_InvestmentsFairValueDisclosure</td>
</tr>
<tr>
<td style="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_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member</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_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member</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_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member</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>
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<DOCUMENT>
<TYPE>XML
<SEQUENCE>63
<FILENAME>R47.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;">v3.10.0.1</span><table class="report" border="0" cellspacing="2" id="idp6785038848">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Commitments and Contingencies (Details Narrative)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr><th class="th">
<div>Dec. 31, 2018 </div>
<div>USD ($)</div>
</th></tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CommitmentsAndContingenciesDisclosureAbstract', window );"><strong>Commitments and Contingencies Disclosure [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermPurchaseCommitmentAmount', window );">Estimated property rentals and option payments for 2019</a></td>
<td class="nump">$ 729<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_XPL_CostOfReimbursableExpenses', window );">Reimbursable payments for estimated 2019 payments</a></td>
<td class="nump">712<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingLeasesRentExpenseNet', window );">Non-cancelable operating lease for office space annual payment</a></td>
<td class="nump">43<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InventoryDrillingNoncurrent', window );">Funding for drilling Florida Canyon agreement payable in three installments</a></td>
<td class="nump">1,580<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccountsPayableCurrentAndNoncurrent', window );">Account payable recorded for payment of funding for drilling</a></td>
<td class="nump">527<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_XPL_ExplorationExpenseDrilling', window );">Exploration expense recorded for payment of funding for drilling</a></td>
<td class="nump">527<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_XPL_AdditionalPaymentDueUponCompletionOfDrilling', window );">Additional payment upon completion of drilling in 2019</a></td>
<td class="nump">$ 1,053<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_XPL_AdditionalPaymentDueUponCompletionOfDrilling">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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;">XPL_AdditionalPaymentDueUponCompletionOfDrilling</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>XPL_</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_XPL_CostOfReimbursableExpenses">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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;">XPL_CostOfReimbursableExpenses</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>XPL_</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_XPL_ExplorationExpenseDrilling">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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;">XPL_ExplorationExpenseDrilling</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>XPL_</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_AccountsPayableCurrentAndNoncurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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.</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 210.7-03.15(a))<br> -URI http://asc.fasb.org/extlink&amp;oid=6879938&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 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=6876686&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_AccountsPayableCurrentAndNoncurrent</td>
</tr>
<tr>
<td style="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_CommitmentsAndContingenciesDisclosureAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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_CommitmentsAndContingenciesDisclosureAbstract</td>
</tr>
<tr>
<td style="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_InventoryDrillingNoncurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 amount as of the balance sheet date of inventories of minerals, materials and supplies related to long-term drilling 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 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.6(d))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&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_InventoryDrillingNoncurrent</td>
</tr>
<tr>
<td style="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_LongTermPurchaseCommitmentAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 minimum amount the entity agreed to spend under the long-term purchase commitment.</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_LongTermPurchaseCommitmentAmount</td>
</tr>
<tr>
<td style="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_OperatingLeasesRentExpenseNet">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease 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 840<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=77902758&amp;loc=d3e41499-112717<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OperatingLeasesRentExpenseNet</td>
</tr>
<tr>
<td style="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>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>64
<FILENAME>R48.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;">v3.10.0.1</span><table class="report" border="0" cellspacing="2" id="idp6785217120">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Employee Stock Compensation Plans - Grant Date Fair Value 2013 Plan (Details) - $ / shares<br></strong></div></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>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2018</div></th>
<th class="th"><div>Dec. 31, 2017</div></th>
<th class="th"><div>Nov. 01, 2018</div></th>
<th class="th"><div>Jan. 02, 2018</div></th>
<th class="th"><div>Sep. 01, 2017</div></th>
<th class="th"><div>Jul. 12, 2017</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_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract', window );"><strong>Disclosure of Compensation Related Costs, Share-based Payments [Abstract]</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_XPL_GrantDatePriceUSD', window );">Option &#8211; grant date price</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 0.31<span></span>
</td>
<td class="nump">$ 0.62<span></span>
</td>
<td class="nump">$ .77<span></span>
</td>
<td class="nump">$ 1.35<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_XPL_EmployeeStockOwnershipPlanESOPNumberOfAllocatedShares2', window );">Options granted</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1,623,000<span></span>
</td>
<td class="nump">100,000<span></span>
</td>
<td class="nump">2,500,000<span></span>
</td>
<td class="nump">1,782,428<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_XPL_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpected3', window );">Expected life years</a></td>
<td class="text">5 years<span></span>
</td>
<td class="text">6 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>
</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_XPL_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate4', window );">Expected volatility</a></td>
<td class="nump">65.00%<span></span>
</td>
<td class="nump">65.00%<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>
<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_XPL_ShareBasedCompenstionArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeRateOfInterest2', window );">Risk free interest rate</a></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="nump">1.00%<span></span>
</td>
<td class="nump">1.70%<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_XPL_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionWeightedAverage2', window );">Weighted average fair value</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 0.17<span></span>
</td>
<td class="nump">$ 0.12<span></span>
</td>
<td class="nump">$ .42<span></span>
</td>
<td class="nump">$ 0.15<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_XPL_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue2', window );">Grant date fair value</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 282,000<span></span>
</td>
<td class="nump">$ 12,000<span></span>
</td>
<td class="nump">$ 548,000<span></span>
</td>
<td class="nump">$ 41,000<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_XPL_EmployeeStockOwnershipPlanESOPNumberOfAllocatedShares2">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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;">XPL_EmployeeStockOwnershipPlanESOPNumberOfAllocatedShares2</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>XPL_</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_XPL_GrantDatePriceUSD">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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;">XPL_GrantDatePriceUSD</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>XPL_</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_XPL_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue2">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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;">XPL_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue2</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>XPL_</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_XPL_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionWeightedAverage2">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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;">XPL_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionWeightedAverage2</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>XPL_</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_XPL_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate4">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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;">XPL_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate4</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>XPL_</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_XPL_ShareBasedCompenstionArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeRateOfInterest2">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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;">XPL_ShareBasedCompenstionArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeRateOfInterest2</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>XPL_</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_XPL_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpected3">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Expected term of option grants, third grant.</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;">XPL_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpected3</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>XPL_</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_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract</td>
</tr>
<tr>
<td style="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>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>65
<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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							e.nextSibling.style.display='block';
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</head>
<body>
<span style="display: none;">v3.10.0.1</span><table class="report" border="0" cellspacing="2" id="idp6780218960">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Employee Stock Compensation Plans - Summary Stock Options Outstanding (Details) - USD ($)<br> $ / shares in Units, $ in Thousands</strong></div></th>
<th class="th" colspan="2">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2018</div></th>
<th class="th"><div>Dec. 31, 2017</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_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract', window );"><strong>Disclosure of Compensation Related Costs, Share-based Payments [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 custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_XPL_ShareBasedCompensationByShareBasedPaymentAwardOptionsOutstandingBeginningOfPeriod2', window );">Outstanding, beginning of year</a></td>
<td class="nump">1,982,428<span></span>
</td>
<td class="text"> <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_XPL_ShareBasedCompensationArrangementByShareBasedPaymentPricePerShareOutstanding2', window );">Outstanding, beginning of year, Per Share</a></td>
<td class="nump">$ 1.29<span></span>
</td>
<td class="text"> <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_XPL_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross2', window );">Granted (3)</a></td>
<td class="nump">4,023,000<span></span>
</td>
<td class="nump">1,982,428<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_XPL_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue2', window );">Granted, Per Share</a></td>
<td class="nump">$ .58<span></span>
</td>
<td class="nump">$ 1.29<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_XPL_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercised', window );">Exercised</a></td>
<td class="text"> <span></span>
</td>
<td class="text"> <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_XPL_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod2', window );">Expired</a></td>
<td class="num">(782,268)<span></span>
</td>
<td class="text"> <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_XPL_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice2', window );">Expired, Per Share</a></td>
<td class="nump">$ 2.09<span></span>
</td>
<td class="text"> <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_XPL_ShareBasedCompensationByShareBasedPaymentAwardOptionsOutstandingEndingBalanceShares2', window );">Outstanding, end of year</a></td>
<td class="nump">5,223,160<span></span>
</td>
<td class="nump">1,982,428<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_XPL_ShareBasedCompensationByShareBasedPaymentAwardOptionsOutstandingEndingBalancePerShare2', window );">Outstanding, end of year, Per Share</a></td>
<td class="nump">$ .76<span></span>
</td>
<td class="nump">$ 1.29<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_XPL_ShareBasedCompensationByShareBasedPaymentAwardOptionsOutstandingExercisableEndOfPeriodShares2', window );">Exercisable, end of year</a></td>
<td class="nump">2,770,910<span></span>
</td>
<td class="nump">1,832,428<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_XPL_ShareBasedCompensationByShareBasedPaymentAwardOptionsOutstandingExercisablePerShareEndOfPeriod2', window );">Exercisable, end of year, Per Share</a></td>
<td class="nump">$ .95<span></span>
</td>
<td class="nump">$ 1.33<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_XPL_ShareBasedCompensationByShareBasedPaymentAwardOptionsOutstandingExercisableEndOfPeriodValue', window );">Aggregate Intrinsic Value (2)</a></td>
<td class="text"> <span></span>
</td>
<td class="nump">$ 9<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_XPL_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercised">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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;">XPL_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercised</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>XPL_</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_XPL_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod2">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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;">XPL_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod2</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>XPL_</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_XPL_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice2">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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;">XPL_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice2</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>XPL_</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_XPL_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross2">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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;">XPL_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross2</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>XPL_</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_XPL_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue2">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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;">XPL_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue2</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>XPL_</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_XPL_ShareBasedCompensationArrangementByShareBasedPaymentPricePerShareOutstanding2">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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;">XPL_ShareBasedCompensationArrangementByShareBasedPaymentPricePerShareOutstanding2</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>XPL_</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_XPL_ShareBasedCompensationByShareBasedPaymentAwardOptionsOutstandingBeginningOfPeriod2">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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;">XPL_ShareBasedCompensationByShareBasedPaymentAwardOptionsOutstandingBeginningOfPeriod2</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>XPL_</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_XPL_ShareBasedCompensationByShareBasedPaymentAwardOptionsOutstandingEndingBalancePerShare2">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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;">XPL_ShareBasedCompensationByShareBasedPaymentAwardOptionsOutstandingEndingBalancePerShare2</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>XPL_</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_XPL_ShareBasedCompensationByShareBasedPaymentAwardOptionsOutstandingEndingBalanceShares2">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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;">XPL_ShareBasedCompensationByShareBasedPaymentAwardOptionsOutstandingEndingBalanceShares2</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>XPL_</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_XPL_ShareBasedCompensationByShareBasedPaymentAwardOptionsOutstandingExercisableEndOfPeriodShares2">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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;">XPL_ShareBasedCompensationByShareBasedPaymentAwardOptionsOutstandingExercisableEndOfPeriodShares2</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>XPL_</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_XPL_ShareBasedCompensationByShareBasedPaymentAwardOptionsOutstandingExercisableEndOfPeriodValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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;">XPL_ShareBasedCompensationByShareBasedPaymentAwardOptionsOutstandingExercisableEndOfPeriodValue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>XPL_</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_XPL_ShareBasedCompensationByShareBasedPaymentAwardOptionsOutstandingExercisablePerShareEndOfPeriod2">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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;">XPL_ShareBasedCompensationByShareBasedPaymentAwardOptionsOutstandingExercisablePerShareEndOfPeriod2</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>XPL_</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_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract</td>
</tr>
<tr>
<td style="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>
<DOCUMENT>
<TYPE>XML
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<FILENAME>R50.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
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<span style="display: none;">v3.10.0.1</span><table class="report" border="0" cellspacing="2" id="idp6786011712">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Employee Stock Compensation Plans (Details Narrative) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="2">12 Months Ended</th>
<th class="th" colspan="1"></th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2018</div></th>
<th class="th"><div>Dec. 31, 2017</div></th>
<th class="th"><div>Jun. 08, 2013</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_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract', window );"><strong>Disclosure of Compensation Related Costs, Share-based Payments [Abstract]</strong></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_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized', window );">Total shares available for awards in 2013 Plan, as amended</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">5,750,000<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_XPL_ShareBasedCompensationByShareBasedPaymentAwardConditionalAwardsGranted', window );">Conditional options granted during 2018</a></td>
<td class="nump">2,300,000<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_AllocatedShareBasedCompensationExpense', window );">Stock option expenses recorded</a></td>
<td class="nump">$ 660<span></span>
</td>
<td class="nump">$ 50<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_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized', window );">Unrecognized stock option compensation cost related to non-vested options</a></td>
<td class="nump">$ 639<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_XPL_ShareBasedCompensationByShareBasedPaymentAwardConditionalAwardsGranted">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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;">XPL_ShareBasedCompensationByShareBasedPaymentAwardConditionalAwardsGranted</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>XPL_</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_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>Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.</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=109197908&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=109197908&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_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract</td>
</tr>
<tr>
<td style="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_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Unrecognized cost of unvested share-based compensation awards.</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 (i)<br> -URI http://asc.fasb.org/extlink&amp;oid=109197908&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_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized</td>
</tr>
<tr>
<td style="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_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>The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested).</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=109197908&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>
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<span style="display: none;">v3.10.0.1</span><table class="report" border="0" cellspacing="2" id="idp6638327856">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Share Repurchase Program (Details Narrative) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="2">12 Months Ended</th>
<th class="th" colspan="1"></th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2018</div></th>
<th class="th"><div>Dec. 31, 2017</div></th>
<th class="th"><div>Oct. 28, 2015</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_AcceleratedShareRepurchasesLineItems', window );"><strong>Accelerated Share Repurchases [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>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased', window );">Shares authorized for repurchase</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>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockRepurchasedDuringPeriodShares', window );">Shares repurchased</a></td>
<td class="nump">263,100<span></span>
</td>
<td class="nump">47,200<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_XPL_StockRepurchasedAndRetiredDuringPeriodValue2', window );">Aggregate repurchase price shares repurchased</a></td>
<td class="nump">$ 101<span></span>
</td>
<td class="nump">$ 32<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_XPL_StockRepurchasedSinceInceptionShares', window );">Total shares repurchased since program's inception</a></td>
<td class="nump">930,900<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_XPL_StockRepurchaseAggregatePurchasePriceSinceInception', window );">Aggregate price of shares repurchased since program's inception</a></td>
<td class="nump">$ 449<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_XPL_StockRepurchaseAggregatePurchasePriceSinceInception">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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;">XPL_StockRepurchaseAggregatePurchasePriceSinceInception</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>XPL_</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>
</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 );">- 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;">XPL_StockRepurchasedAndRetiredDuringPeriodValue2</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>XPL_</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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<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 );">- 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;">XPL_StockRepurchasedSinceInceptionShares</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>XPL_</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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<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AcceleratedShareRepurchasesLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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_AcceleratedShareRepurchasesLineItems</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>
</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_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan.</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_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased</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>
</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>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StockRepurchasedDuringPeriodShares">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury 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 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=6877327&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 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=27012166&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=6877327&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_StockRepurchasedDuringPeriodShares</td>
</tr>
<tr>
<td style="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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<span style="display: none;">v3.10.0.1</span><table class="report" border="0" cellspacing="2" id="idp6786026448">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Subsequent Event (Details Narrative)<br> $ in Thousands</strong></div></th>
<th class="th">
<div>Jan. 22, 2019 </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_SubsequentEventsAbstract', window );"><strong>Subsequent Events [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_XPL_SaleOfRoyaltyInterest', window );">Sale of interests in retained royalty (CDN $)</a></td>
<td class="nump">$ 250<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_XPL_NoteForSaleOfRoyalty', window );">One-year note for sale of retained royalty (CDN $)</a></td>
<td class="nump">$ 350<span></span>
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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;">XPL_NoteForSaleOfRoyalty</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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<td><strong> Balance Type:</strong></td>
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<tr>
<td><strong> Period Type:</strong></td>
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</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 );">- 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><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_SubsequentEventsAbstract</td>
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end
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
