<SEC-DOCUMENT>0001079973-21-000326.txt : 20210430
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<ACCEPTANCE-DATETIME>20210430162626
ACCESSION NUMBER:		0001079973-21-000326
CONFORMED SUBMISSION TYPE:	10-K/A
PUBLIC DOCUMENT COUNT:		14
CONFORMED PERIOD OF REPORT:	20201231
FILED AS OF DATE:		20210430
DATE AS OF CHANGE:		20210430

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Riot Blockchain, Inc.
		CENTRAL INDEX KEY:			0001167419
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-COMPUTER PROCESSING & DATA PREPARATION [7374]
		IRS NUMBER:				841553387
		STATE OF INCORPORATION:			NV
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		10-K/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-33675
		FILM NUMBER:		21878517

	BUSINESS ADDRESS:	
		STREET 1:		202 6TH STREET, SUITE 401
		CITY:			CASTLE ROCK
		STATE:			CO
		ZIP:			80104
		BUSINESS PHONE:		303-794-2000

	MAIL ADDRESS:	
		STREET 1:		202 6TH STREET, SUITE 401
		CITY:			CASTLE ROCK
		STATE:			CO
		ZIP:			80104

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Bioptix, Inc.
		DATE OF NAME CHANGE:	20161201

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Venaxis, Inc.
		DATE OF NAME CHANGE:	20121218

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	AspenBio Pharma, Inc.
		DATE OF NAME CHANGE:	20051110
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<p style="font: bold 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">UNITED STATES</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><b>SECURITIES AND EXCHANGE COMMISSION</b></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><b>Washington, D.C. 20549</b></p>

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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><span style="text-transform: uppercase"><b>Or</b></span></p>

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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><b>&#160;</b></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><b>For the transition period from: &#9;to: </b></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">&#160;</p>

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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">Securities registered under Section 12(b) of the Exchange Act:</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

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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">Securities registered pursuant to Section 12(g) of the Securities Exchange
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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&#160;</p>

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&#160;&#160;<span style="font-family: Times New Roman, Times, Serif">No </span><span style="font-family: Segoe UI Symbol,sans-serif">&#9744;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&#160;</p>

<p style="font: 10pt Calibri, Helvetica, Sans-Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">Indicate
by check mark if the registrant is not required to file reports pursuant to Section 13 or 15(d) of the Exchange Act: Yes </span><span style="font-family: Segoe UI Symbol,sans-serif">&#9744;</span>
&#160;&#160;<span style="font-family: Times New Roman, Times, Serif"><span id="xdx_900_edei--EntityVoluntaryFilers_c20200101__20201231_zkMpfdy0TUua"><ix:nonNumeric contextRef="From2020-01-01to2020-12-31" name="dei:EntityVoluntaryFilers">No</ix:nonNumeric></span> </span><span style="font: 10pt Segoe UI Symbol,sans-serif">&#9746;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">Note - Checking the box above will not relieve any
registrant required to file reports pursuant to Section 13 or 15(d) of the Exchange Act from their obligations under those Sections.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&#160;</p>

<p style="font: 10pt Calibri, Helvetica, Sans-Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">Indicate
by check mark whether the registrant (1) filed all reports required to be filed by Section 13 or 15(d) of the Exchange Act 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. <span id="xdx_904_edei--EntityCurrentReportingStatus_c20200101__20201231_zqswMxHrnp9h"><ix:nonNumeric contextRef="From2020-01-01to2020-12-31" name="dei:EntityCurrentReportingStatus">Yes</ix:nonNumeric></span> </span><span style="font: 10pt Segoe UI Symbol,sans-serif">&#9746;</span> <span style="font-family: Times New Roman, Times, Serif">&#160;&#160;No
</span><span style="font-family: Segoe UI Symbol,sans-serif">&#9744;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&#160;</p>

<p style="font: 10pt Calibri, Helvetica, Sans-Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">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 (&#167; 232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant
was required to submit such files). <span id="xdx_904_edei--EntityInteractiveDataCurrent_c20200101__20201231_z8DcET71wt39"><ix:nonNumeric contextRef="From2020-01-01to2020-12-31" name="dei:EntityInteractiveDataCurrent">Yes</ix:nonNumeric></span> </span><span style="font: 10pt Segoe UI Symbol,sans-serif">&#9746;&#160;&#160;</span> <span style="font-family: Times New Roman, Times, Serif">No
</span><span style="font-family: Segoe UI Symbol,sans-serif">&#9744;</span></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">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
definitions of &#8220;large accelerated filer,&#8221; &#8220;accelerated filer,&#8221; &#8220;smaller reporting company,&#8221; and &#8220;emerging
growth company&#8221; in Rule 12b-2 of the Exchange Act.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&#160;</p>

<table cellspacing="0" cellpadding="0" style="width: 100%; border-collapse: collapse">
  <tr>
    <td style="font: 11pt Calibri, Helvetica, Sans-Serif; white-space: nowrap; vertical-align: top; width: 37%; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif">Large accelerated filer </span><span style="font: 10pt Segoe UI Symbol,sans-serif">&#9744;</span></td>
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    <td style="white-space: nowrap; vertical-align: top; width: 31%">&#160;</td>
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  <tr>
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  <tr>
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    <td style="white-space: nowrap; vertical-align: bottom">&#160;</td>
    <td style="white-space: nowrap; vertical-align: top">&#160;</td>
    <td style="white-space: nowrap; vertical-align: top">&#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 Calibri, Helvetica, Sans-Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">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. </span><span style="font-family: Segoe UI Symbol,sans-serif">&#9744;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&#160;</p>

<p style="font: 10pt Calibri, Helvetica, Sans-Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">Indicate
by check mark whether the registrant has filed a report on and attestation to its management&#8217;s assessment of the effectiveness of
its internal control over financial reporting under Section 404(b) of the Sarbanes-Oxley Act (15 U.S.C. 7262(b)) by the registered public
accounting firm that prepared or issued its audit report. </span><span style="font-family: Segoe UI Symbol,sans-serif"><span id="xdx_90E_edei--IcfrAuditorAttestationFlag_c20200101__20201231_z77B4E0AjF4j"><ix:nonNumeric contextRef="From2020-01-01to2020-12-31" format="ixt:booleanfalse" name="dei:IcfrAuditorAttestationFlag">&#9744;</ix:nonNumeric></span></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&#160;</p>

<p style="font: 10pt Calibri, Helvetica, Sans-Serif; margin: 0; text-align: justify"><span style="font-family: Times New Roman, Times, Serif">Indicate
by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes </span><span style="font-family: Segoe UI Symbol,sans-serif">&#9744;</span>
<span style="font-family: Times New Roman, Times, Serif"><span id="xdx_90D_edei--EntityShellCompany_c20200101__20201231_zWmbOMiRnQ7k"><ix:nonNumeric contextRef="From2020-01-01to2020-12-31" format="ixt:booleanfalse" name="dei:EntityShellCompany">No</ix:nonNumeric></span> </span><span style="font: 10pt Segoe UI Symbol,sans-serif">&#9746;</span></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">The aggregate market value of the shares of common
stock, no par value, held by non-affiliates of the registrant as of June 30, 2020, the last business day of the registrant&#8217;s most
recently completed second fiscal quarter, was approximately $<span id="xdx_90A_edei--EntityPublicFloat_iI_pp0n3_dm_c20200630_zr2vi4YsFTh8"><ix:nonFraction name="dei:EntityPublicFloat" contextRef="AsOf2020-06-30" format="ixt:numdotdecimal" decimals="0" scale="6" unitRef="USD">77.7</ix:nonFraction></span> million, based on the closing sale price per share of the registrant&#8217;s
common stock as reported by the NASDAQ Capital Market on such date.</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">As of April 27, 2021, the registrant had <span id="xdx_908_edei--EntityCommonStockSharesOutstanding_iI_c20210427_z3tLjhzi9aj9"><ix:nonFraction name="dei:EntityCommonStockSharesOutstanding" contextRef="AsOf2021-04-27" format="ixt:numdotdecimal" decimals="INF" unitRef="Shares">84,144,732</ix:nonFraction></span> shares of common stock
outstanding.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0"><b>&#160;</b></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><b>DOCUMENTS INCORPORATED BY REFERENCE</b></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">None.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&#160;</p>


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<p style="font: bold 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><b>RIOT BLOCKCHAIN, INC.</b></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center; background-color: white"><b>ANNUAL REPORT ON FORM 10-K/A</b></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center; background-color: white"><b><br />
EXPLANATORY NOTE</b></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center; background-color: white"><b>&#160;</b></p>

<p id="xdx_985_edei--AmendmentDescription_c20200101__20201231_zo4bOfbrxeEa" style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in; background-color: white"><ix:nonNumeric contextRef="From2020-01-01to2020-12-31" name="dei:AmendmentDescription">Riot
Blockchain, Inc. (&#8220;Riot Blockchain,&#8221; &#8220;Riot,&#8221; the &#8220;Company,&#8221; &#8220;we,&#8221; &#8220;us,&#8221; &#8220;our,&#8221;
or the &#8220;Registrant&#8221;) is filing this Amendment No. 1 on Form 10-K/A (this &#8220;Amendment No. 1&#8221;) to amend its Annual
Report on Form&#160;10-K for the fiscal year ended December 31, 2020 that was originally filed with the U.S. Securities and Exchange Commission
(the &#8220;SEC&#8221;) on March 31, 2021 (the &#8220;Original Form 10-K&#8221;). We are filing this Amendment No. 1 to provide the information
required by Part III of Form 10-K previously omitted from the Original Form 10-K in accordance with General Instruction G.(3) to Form
10-K. This Amendment No. 1 also amends Item 15 of Part IV of the Original Form 10-K solely to include as exhibits the new certifications
required by Rule 13a-14(a) under the Securities Exchange Act of 1934, as amended (the &#8220;Exchange Act&#8221;). Because no financial
statements have been included in this Amendment No. 1 and this Amendment No. 1 does not contain or amend any disclosure with respect to
Items 307 and 308 of Regulation S-K, paragraphs 3, 4 and 5 of the certifications have been omitted. We are not including the certifications
under Section 906 of the Sarbanes-Oxley Act of 2002 (&#8220;SOX&#8221;) as no financial statements are being filed with this Amendment
No. 1. Except as expressly stated, this Amendment No. 1 does not reflect events occurring after the filing of the Original Form 10-K or
modify or update in any way any of the other items or disclosures contained in the Original Form 10-K, including, without limitation,
the consolidated financial statements and the related footnotes, which continue to speak only as of the date the Original Form 10-K was
filed. Accordingly, this Amendment No. 1 should be read in conjunction with the Original Form 10-K and the Company&#8217;s other filings
with the SEC subsequent to the filing of the Original Form 10-K.</ix:nonNumeric></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><b>&#160;</b></p>

<p style="font: bold 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">INDEX TO AMENDMENT NO. 1 ON FORM 10-K/A</p>

<p style="font: bold 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">&#160;</p>

<table cellspacing="0" cellpadding="0" style="font: 11pt Calibri, Helvetica, Sans-Serif; width: 100%">
  <tr style="vertical-align: bottom">
    <td colspan="2">&#160;</td>
    <td style="border-bottom: black 1.5pt solid; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif"><b>Page</b></span></td></tr>
  <tr style="background-color: #CCEEFF">
    <td colspan="2" style="font: bold 10pt Times New Roman, Times, Serif; vertical-align: top; text-align: center">PART III</td>
    <td style="vertical-align: bottom">&#160;</td></tr>
  <tr style="background-color: white">
    <td style="width: 11%">&#160;</td>
    <td style="width: 81%">&#160;</td>
    <td style="width: 8%">&#160;</td></tr>
  <tr style="background-color: #CCEEFF">
    <td style="vertical-align: top; font-size: 10pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif">Item 10.</span></td>
    <td style="vertical-align: bottom"><span style="font: 10pt Times New Roman, Times, Serif">Directors,  Executive Officers and Corporate Governance.</span></td>
    <td style="vertical-align: bottom; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif"><b>1</b></span></td></tr>
  <tr>
    <td style="vertical-align: top; font-size: 10pt; font-weight: bold">&#160;</td>
    <td style="vertical-align: bottom">&#160;</td>
    <td style="vertical-align: bottom; text-align: center">&#160;</td></tr>
  <tr style="background-color: #CCEEFF">
    <td style="vertical-align: top; font-size: 10pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif">Item 11.</span></td>
    <td style="vertical-align: bottom"><span style="font: 10pt Times New Roman, Times, Serif">Executive Compensation.</span></td>
    <td style="vertical-align: bottom; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif"><b>5</b></span></td></tr>
  <tr style="background-color: white">
    <td style="vertical-align: top">&#160;</td>
    <td style="vertical-align: bottom">&#160;</td>
    <td style="vertical-align: bottom; text-align: center">&#160;</td></tr>
  <tr style="background-color: #CCEEFF">
    <td style="vertical-align: top"><span style="font: 10pt Times New Roman, Times, Serif"><b>Item 12.</b></span></td>
    <td style="vertical-align: bottom"><span style="font: 10pt Times New Roman, Times, Serif">Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters.</span></td>
    <td style="vertical-align: bottom; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif"><b>9</b></span></td></tr>
  <tr>
    <td style="vertical-align: top">&#160;</td>
    <td style="vertical-align: bottom">&#160;</td>
    <td style="vertical-align: bottom; text-align: center">&#160;</td></tr>
  <tr style="background-color: #CCEEFF">
    <td style="vertical-align: top"><span style="font: 10pt Times New Roman, Times, Serif"><b>Item 13.</b></span></td>
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    <td style="vertical-align: bottom; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif"><b>11</b></span></td></tr>
  <tr style="background-color: white">
    <td style="vertical-align: top">&#160;</td>
    <td style="vertical-align: bottom">&#160;</td>
    <td style="vertical-align: bottom; text-align: center">&#160;</td></tr>
  <tr style="background-color: #CCEEFF">
    <td style="vertical-align: top"><span style="font: 10pt Times New Roman, Times, Serif"><b>Item 14.</b></span></td>
    <td style="vertical-align: bottom"><span style="font: 10pt Times New Roman, Times, Serif">Principal Accountant Fees and Services.</span></td>
    <td style="vertical-align: bottom; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif"><b>12</b></span></td></tr>
  <tr style="background-color: white">
    <td>&#160;</td>
    <td>&#160;</td>
    <td>&#160;</td></tr>
  <tr style="background-color: #CCEEFF">
    <td colspan="2" style="font: bold 10pt Times New Roman, Times, Serif; vertical-align: top; text-align: center">PART IV</td>
    <td style="vertical-align: bottom">&#160;</td></tr>
  <tr style="background-color: white">
    <td>&#160;</td>
    <td>&#160;</td>
    <td>&#160;</td></tr>
  <tr style="background-color: rgb(204,238,255)">
    <td style="vertical-align: top"><span style="font: 10pt Times New Roman, Times, Serif"><b>Item 15.</b></span></td>
    <td style="vertical-align: bottom"><span style="font: 10pt Times New Roman, Times, Serif">Exhibits, Financial Statement Schedules.</span></td>
    <td style="vertical-align: bottom; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif"><b>13</b></span></td></tr>
  <tr style="background-color: White">
    <td style="vertical-align: top">&#160;</td>
    <td style="vertical-align: bottom">&#160;</td>
    <td style="vertical-align: bottom; text-align: center">&#160;</td></tr>
  <tr style="background-color: rgb(204,238,255)">
    <td style="vertical-align: top"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="vertical-align: bottom"><span style="font: 10pt Times New Roman, Times, Serif">Signatures</span></td>
    <td style="vertical-align: bottom; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif"><b>13</b></span></td></tr>
  <tr style="background-color: White">
    <td colspan="2" style="vertical-align: top; font-size: 10pt"><span style="font-family: Times New Roman, Times, Serif"></span></td>
    <td style="vertical-align: bottom; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif"><b></b></span></td></tr>
  </table>
<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">&#160;</p>
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<p style="font: bold 10pt/107% Times New Roman, Times, Serif; margin: 0 0 8pt; text-align: center">&#160;</p>

<p style="font: bold 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">CAUTIONARY NOTE REGARDING FORWARD-LOOKING STATEMENTS</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">This Amendment No. 1, as well
as the Original Form 10-K to which it relates, contains certain statements that are, or may be deemed to be, &#8220;forward-looking statements&#8221;
within the meaning of Section 27A of the Securities Act of 1933, as amended (the &#8220;Securities Act&#8221;) and Section 21E of the
Exchange Act. These forward-looking statements (such as when we describe what &#8220;will,&#8221; &#8220;may,&#8221; or &#8220;should&#8221;
occur, what we &#8220;plan,&#8221; &#8220;intend,&#8221; &#8220;estimate,&#8221; &#8220;believe,&#8221; &#8220;expect&#8221; or &#8220;anticipate&#8221;
will occur, and other similar statements) include, but are not limited to, statements regarding future operating results, potential risks
pertaining to these future operating results, future plans or prospects, anticipated benefits of proposed (or future) acquisitions, dispositions
and new facilities, growth, the capabilities and capacities of business operations, any financial or other guidance, expected capital
expenditures and all statements that are not based on historical fact, but rather reflect our current expectations concerning future results
and events. We make certain assumptions when making forward-looking statements, any of which could prove inaccurate, including assumptions
about our future operating results and business plans. However, the inclusion of forward-looking statements should not be regarded as
a representation by the Company or any other person that future events, plans or expectations contemplated by the Company will be achieved.
These forward-looking statements are subject to a number of risks, uncertainties and assumptions, including those described in Part I,
Item 1A, &#8220;Risk Factors,&#8221; beginning on page 14 of the Original Form 10-K, and under the section entitled &#8220;Management&#8217;s
Discussion and Analysis of Financial Condition and Results of Operations,&#8221; beginning on page 38 of the Original Form 10-K, as well
as those disclosed in subsequent reports we file with the SEC.</p>

<p style="font: 10pt/107% Times New Roman, Times, Serif; margin: 0; text-align: justify">&#160;</p>

<p style="font: 10pt/107% Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">Moreover, we operate in a
very competitive and rapidly changing environment and new risks emerge from time to time. It is not possible for our management to predict
all risks, nor can we comprehensively assess the impact of all factors on our business or the extent to which any factor, or combination
of factors, may cause actual results to differ materially from those contained in any forward-looking statements we may make. In light
of these risks, uncertainties and assumptions, the future events and trends discussed in this Amendment No. 1 and the Original Form 10-K
may not occur and actual results could differ materially and adversely from those anticipated or implied in the forward-looking statements.
Given these risks and uncertainties, the reader should not place undue reliance on these forward-looking statements.</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">Further, certain information regarding
market and industry statistics contained in the Original Form 10-K has been obtained from industry and other publications that we believe
to be reliable, but that are not produced for purposes of securities filings and which may contain such forward-looking statements. We
have not independently verified any market, industry or similar data presented in the Original Form 10-K and cannot assure you of its
accuracy or completeness. Further, we have not reviewed or included data from all sources. Forecasts and other forward-looking statements
obtained from third-party sources are subject to the same qualifications and the additional uncertainties accompanying any estimates of
future market size, revenue and market acceptance of products and services.</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">All forward-looking statements
included in this Amendment No. 1 and the Original Form 10-K are made only as of the date they are made, and we do not undertake any obligation
to publicly update or correct any forward-looking statements to reflect events or circumstances that subsequently occur, or of which we
hereafter become aware, except as required by law. You should read this document completely and with the understanding that our actual
future results or events may be materially different from what we expect. All forward-looking statements attributable to us are expressly
qualified by these cautionary statements.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">&#160;</p>


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<p style="font: bold 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><span style="text-decoration: underline">PART III</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0"><b>&#160;</b></p>

<table cellpadding="0" cellspacing="0" style="font: bold 10pt Times New Roman, Times, Serif; width: 100%; margin-top: 0; margin-bottom: 0"><tr style="vertical-align: top">
<td style="width: 0"></td><td style="width: 1in"><span style="text-decoration: underline">ITEM 10</span>.</td><td><span style="text-decoration: underline">DIRECTORS,  EXECUTIVE OFFICERS AND CORPORATE GOVERNANCE</span></td></tr></table>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0"><b>&#160;</b></p>

<p style="font: bold 10pt Times New Roman, Times, Serif; margin: 0"><i><span style="text-decoration: underline">Board of Directors Composition</span></i></p>

<p style="font: 11pt Calibri, Helvetica, Sans-Serif; margin: 0; text-indent: 0.5in">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">The names of the members of the
Company&#8217;s Board of Directors (the &#8220;Board&#8221; or the &#8220;Board of Directors&#8221;) as of April 27, 2021, as well as
their respective ages, their positions with the Company, and certain of their biographical information, are set forth in this Item 10.
Each director holds his or her office until a successor is duly elected and qualified at an annual shareholders&#8217; meeting, or until
his or her earlier death, resignation, or removal. Except for Mr. Jason Les, who also serves as our Chief Executive Officer, the Board
has determined that each member of the Board of Directors is &#8220;independent&#8221; within the meaning of applicable NASDAQ Stock Market
(&#8220;NASDAQ&#8221;) and SEC rules. There are no family relationships among any of the directors and named executive officers of the
Company, and there are no understandings or arrangements between the directors and any other person(s) pursuant to which the directors
were or are to be selected or nominated as a director.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&#160;</p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%">
  <tr style="vertical-align: bottom">
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    <td style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center">Director Since</td><td style="padding-bottom: 1pt; font-weight: bold">&#160;</td>
    <td style="border-bottom: Black 1pt solid; font-weight: bold; text-align: left">Board Committees</td></tr>
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    <td style="font-weight: bold">&#160;</td><td style="font-weight: bold">&#160;</td>
    <td colspan="3" style="font-weight: bold">&#160;</td><td style="font-weight: bold">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td><td style="font-weight: bold">&#160;</td>
    <td style="font-weight: bold; text-align: left">&#160;</td></tr>
  <tr style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="width: 26%; text-align: left"><p style="font: 10pt Times New Roman, Times, Serif; margin: 0"><b><i>Benjamin Yi</i></b>,</p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0">Non-Employee Director and Chairperson</p></td><td style="width: 1%">&#160;</td>
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    <td style="vertical-align: top; width: 21%; text-align: center">October 2018</td><td style="width: 1%">&#160;</td>
    <td style="vertical-align: top; width: 40%; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Audit<sup>(1)</sup>, Compensation and Human Resources<sup>(1)</sup>, Governance and Nominating</span></td></tr>
  <tr style="vertical-align: bottom; background-color: White">
    <td style="font-size: 11pt">&#160;</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right">&#160;</td><td style="text-align: left">&#160;</td><td style="font-size: 11pt">&#160;</td>
    <td style="font-size: 11pt; text-align: center">&#160;</td><td>&#160;</td>
    <td style="text-align: justify">&#160;</td></tr>
  <tr style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-align: left"><p style="font: 10pt Times New Roman, Times, Serif; margin: 0"><b><i>Hubert Marleau</i></b>,</p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0">Non-Employee Director<sup>(2)</sup></p></td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="vertical-align: top; text-align: center">77</td><td style="text-align: left">&#160;</td><td>&#160;</td>
    <td style="vertical-align: top; text-align: center">November 2020</td><td>&#160;</td>
    <td style="vertical-align: top; text-align: left"><span style="font-family: Times New Roman, Times, Serif">Audit, Compensation and Human Resources, Governance and Nominating<sup>(1)</sup></span></td></tr>
  <tr style="vertical-align: bottom; background-color: White">
    <td style="font-size: 11pt">&#160;</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right">&#160;</td><td style="text-align: left">&#160;</td><td style="font-size: 11pt">&#160;</td>
    <td style="font-size: 11pt; text-align: center">&#160;</td><td>&#160;</td>
    <td style="text-align: justify">&#160;</td></tr>
  <tr style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-align: left"><p style="font: 10pt Times New Roman, Times, Serif; margin: 0"><b><i>Hannah Cho</i></b>,</p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0">Non-Employee Director<sup>(2)</sup></p></td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="vertical-align: top; text-align: center">43</td><td style="text-align: left">&#160;</td><td>&#160;</td>
    <td style="vertical-align: top; text-align: center">February 2021</td><td>&#160;</td>
    <td style="vertical-align: top; text-align: left">Audit, Compensation and Human Resources, Governance and Nominating</td></tr>
  <tr style="vertical-align: bottom; background-color: White">
    <td style="font-size: 11pt">&#160;</td><td style="font-size: 11pt">&#160;</td>
    <td style="font-size: 11pt; text-align: left">&#160;</td><td style="font-size: 11pt; text-align: right">&#160;</td><td style="font-size: 11pt; text-align: left">&#160;</td><td style="font-size: 11pt">&#160;</td>
    <td style="font-size: 11pt; text-align: center">&#160;</td><td style="font-size: 11pt">&#160;</td>
    <td style="font-size: 11pt; text-align: justify">&#160;</td></tr>
  <tr style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-size: 11pt"><span style="font-size: 10pt"><b><i>Jason Les</i></b>,</span></td><td style="font-size: 11pt"><span style="font-size: 10pt">&#160;</span></td>
    <td style="font-size: 11pt; text-align: left"><span style="font-size: 10pt">&#160;</span></td><td style="vertical-align: bottom; font-size: 11pt; text-align: center"><span style="font-size: 10pt">35</span></td><td style="font-size: 11pt; text-align: left"><span style="font-size: 10pt">&#160;</span></td><td style="font-size: 11pt"><span style="font-size: 10pt">&#160;</span></td>
    <td style="font-size: 11pt; text-align: center"><span style="font-size: 10pt">November 2017</span></td><td style="font-size: 11pt"><span style="font-size: 10pt">&#160;</span></td>
    <td style="font-size: 11pt; text-align: justify"><span style="font-size: 10pt">None<sup>(3)</sup></span></td></tr>
  <tr style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-size: 11pt"><span style="font-size: 10pt">Director and Chief Executive Officer</span></td><td style="font-size: 11pt"><span style="font-size: 10pt">&#160;</span></td>
    <td style="font-size: 11pt; text-align: left"><span style="font-size: 10pt">&#160;</span></td><td style="font-size: 11pt; text-align: right"><span style="font-size: 10pt">&#160;</span></td><td style="font-size: 11pt; text-align: left"><span style="font-size: 10pt">&#160;</span></td><td style="font-size: 11pt"><span style="font-size: 10pt">&#160;</span></td>
    <td style="font-size: 11pt; text-align: center"><span style="font-size: 10pt">&#160;</span></td><td style="font-size: 11pt"><span style="font-size: 10pt">&#160;</span></td>
    <td style="font-size: 11pt; text-align: justify"><span style="font-size: 10pt">&#160;</span></td></tr>
  </table>


<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&#160;</p>

<table cellspacing="0" cellpadding="0" style="font: 11pt Calibri, Helvetica, Sans-Serif; width: 100%">
  <tr style="vertical-align: top">
    <td style="width: 6%"><span style="font: 10pt Times New Roman, Times, Serif">(1)</span></td>
    <td style="width: 94%"><span style="font: 10pt Times New Roman, Times, Serif">Indicates Committee Chairperson. </span></td></tr>
  <tr style="vertical-align: top">
    <td>&#160;</td>
    <td>&#160;</td></tr>
  <tr style="vertical-align: top">
    <td><span style="font: 10pt Times New Roman, Times, Serif">(2)</span></td>
    <td><span style="font: 10pt Times New Roman, Times, Serif">Director appointed to fill a Board vacancy upon the nomination of the Board&#8217;s Governance and Nominating Committee.</span></td></tr>
  <tr style="vertical-align: top">
    <td>&#160;</td>
    <td>&#160;</td></tr>
  <tr style="vertical-align: top">
    <td><span style="font: 10pt Times New Roman, Times, Serif">(3)</span></td>
    <td><span style="font: 10pt Times New Roman, Times, Serif">Upon his appointment as Chief Executive Officer on February 8, 2021, Mr. Les resigned as a member of the Audit, Compensation and Human Resources, and Governance and Nominating committees of the Board.</span></td></tr>
  </table>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0in"><b><i><span style="text-decoration: underline">Director Biographical Information
and Qualifications</span></i></b></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0in"><i>&#160;</i></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in"><b><i>Benjamin Yi</i></b>, age
39, has served as a member of the Company&#8217;s Board of Directors since 2018 and as its Chairperson since November 2020. Mr. Yi also
serves as chairperson of the Board&#8217;s Audit Committee and of its Compensation and Human Resources Committee, and as its Audit Committee
Financial Expert.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">Mr. Yi brings significant corporate
governance experience to Riot, having served as an independent director and audit committee chair of several private and public companies.
He also brings over fifteen years of unique capital markets experience to the Company, and a particular expertise in fintech, specialty
finance, and investing throughout a company&#8217;s capital structure. Mr. Yi currently serves in a consulting capacity at IOU Financial
Inc., a leading public fintech-enabled lender to small businesses, where he leads IOU Financial&#8217;s capital markets-related efforts.
Previously, Mr. Yi worked directly under Ned Goodman, a renowned Canadian financier, investor, and founder of Dundee Corporation, a Toronto-based
conglomerate. At Dundee Corporation, he worked in a corporate development and investment capacity, investing throughout the capital structure
of companies involved in the natural resource extraction, energy technology, real estate, and automotive sectors. Prior thereto, Mr. Yi
was a research analyst at the predecessor to 1832 Asset Management L.P., where he covered energy, forest products, and special situations
investments as part of a team managing one of Canada&#8217;s largest natural resources investment funds.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">In addition to his executive and
financial experience, Mr. Yi has substantial corporate governance experience outside of his experience as a member of our Board: Mr. Yi
served as an Independent Director and Chairperson of the Corporate Governance and Remuneration Committee of PetroMaroc Corporation, plc,
a UK-based energy company, from December 2013 to December of 2016; as a member of the Board of Managers and Audit Committee of Android
Industries, LLC, an Auburn Hills-based assembler of complex modules for the automotive industry, from January of 2014 to September of
2016; and as Independent Director, member, and occasional Chairperson of the Audit Committee of Woulfe Mining Corporation, a publicly-traded
Vancouver-based mining company, from October of 2013 to September of 2015.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">&#160;</p>

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

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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">Mr. Yi holds a Master of Finance
degree from the Rotman School of Management and is a CFA charter holder.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">We believe Mr. Yi is qualified
to serve as a director on Riot&#8217;s Board and as its Audit Committee Financial Expert based on his knowledge of the Company, his service
as a member of its Board of Directors since 2018, his service as chairperson of its Audit Committee and of its Compensation and Human
Resources Committee, and because he brings over fifteen years of dedicated financial markets experience to the Company, leveraging his
expertise in capital markets and corporate development to Board discussions and policymaking decisions to assist the Board as it seeks
to continue to establish policies to drive the growth of the Company.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.55in">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in"><b><i>Hubert Marleau</i></b>,
age 77, has served as a member of the Company&#8217;s Board of Directors since November 2020, upon being appointed to fill a vacancy created
on the Board by the departure of a former director in November 2020. Mr. Marleau currently serves as chairperson of the Board&#8217;s
Governance and Nominating Committee.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">&#160;</p>

<p style="font: 11pt Calibri, Helvetica, Sans-Serif; margin: 0; text-align: justify; text-indent: 0.5in"><span style="font: 10pt Times New Roman, Times, Serif">Mr.
Marleau is a veteran capital markets professional, corporate director, and Chair of the Marleau Lecture Series on Economic and Monetary
Policy at the University of Ottawa. Currently, he serves as Chief Economist at Palos Management, a boutique investment management firm
headquartered in Montreal, Canada. In addition to a career in the capital markets that has spanned over five decades, Mr. Marleau has
previously served as a Governor of the Montreal and Vancouver stock exchanges, as a Director of the Listing Committee for the Toronto
Stock Exchange, and Director of the Investment Dealers Association of Canada (now known as IIROC). Mr. Marleau&#8217;s broad areas of
expertise include macroeconomic policy &amp; analysis, corporate governance, financial analysis, and investment banking. In addition to
being a current or past board member of approximately fifty publicly traded companies, he has raised funds privately and publicly for
hundreds of emerging and mature companies, structured numerous mergers and acquisitions, and acted as the driving force behind numerous
transactions. Mr. Marleau graduated from the University of Ottawa in 1967 with an Honours Bachelor of Social Sciences in Economics</span>.</p>

<p style="font: 11pt Calibri, Helvetica, Sans-Serif; margin: 0; text-align: justify; text-indent: 0.5in">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">We believe Mr. Marleau is qualified
to serve as a director on Riot&#8217;s Board because he brings over five decades of dedicated financial markets and economics experience
to the Company, bringing his extensive corporate governance and capital markets experience to Board discussions and policymaking decisions
to assist the Board as it seeks to continue to establish policies to drive the growth of the 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-align: justify; text-indent: 0.5in"><b><i>Hannah Cho</i></b>, age
43, has served as a member of the Company&#8217;s Board of Directors since February 2021. She was appointed to serve as an independent
director on the Board of Directors to maintain the number of independent directors on the Board at three (3), following the appointment
of Mr. Jason Les as the Company&#8217;s Chief Executive Officer, effective February 8, 2021.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">Ms. Cho is a veteran marketing
and communications professional who has spent her career in the enterprise technology industry. She is currently Vice President, Marketing
Communications at BMC Software, a portfolio company of KKR which offers software and services to support cloud computing, IT service management,
automation, IT operations, and the mainframe for digital transformation. Ms. Cho brings significant executive leadership experience in
marketing and communications gained at leading technology companies including Anaplan, CA Technologies, Intel Corporation, and Cisco Systems.
In addition to her corporate experience, she was also previously Senior Vice President, Technology Communications at Edelman.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">We believe Ms. Cho is qualified
to serve as a director on Riot&#8217;s Board based on her extensive experience in the technology and IT fields. She leverages her leadership
experience in the marketing and communications aspects of technology companies in Board discussions and policymaking decisions to assist
the Board as it seeks to continue to establish policies to drive the growth of the 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-align: justify; text-indent: 0.55in"><b><i>Jason Les</i></b>,
age 35, has served as a member of the Company&#8217;s Board of Directors since November 2017, and, effective February 8, 2021, was
appointed to serve as the Company&#8217;s Chief Executive Officer. Upon his appointment as Chief Executive Officer, Mr. Les resigned
from his positions as a member of its Audit Committee, Compensation and Human Resources Committee, and its Governance and Nominating
Committee in accordance with the Company&#8217;s Governance Policies and applicable NASDAQ and SEC rules regarding director
independence; however, he continues to serve as a non-independent executive director and Board member.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.55in">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.55in">Mr. Les has been deeply involved
with Bitcoin since 2013, with significant experience in cryptocurrency mining, as an engineer studying protocol development, and contributing
to open-source projects. He was also a founding partner of Binary Digital, a software-development company where he led the engineering
team and coordinated project development for artificial intelligence, reverse engineering, and inter-software compatibility projects.
Additionally, Mr. Les&#8217; background includes over a decade of unique experience as a former professional heads-up poker player during
which he has successfully competed in high-stakes games online, in addition to the most prestigious, high-stakes tournaments in the world.
In 2015 and 2017, he was selected as a human benchmark for testing the world&#8217;s best poker artificial intelligence in what was dubbed
&#8220;Man vs Machine&#8221; at Carnegie Mellon University. Mr. Les holds a Bachelor of Science in Information &amp; Computer Science
from U.C. Irvine.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.55in">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.55in"></p>

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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.55in">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.55in">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.55in">We believe Mr. Les is qualified
to serve as a director on Riot&#8217;s Board based on his knowledge of the Company, his service as its CEO, and because he has been an
active participant in the cryptocurrency industry since 2013. Mr. Les brings technical expertise regarding cryptocurrency mining, protocol
development, and general evaluation of the industry to Board discussions.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: bold 10pt Times New Roman, Times, Serif; margin: 0"><i><span style="text-decoration: underline">Board and Committee Matters</span></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: justify; text-indent: 0.55in">Our Board has three standing
committees: (1) the Audit Committee; (2) the Compensation and Human Resources Committee; and (3) the Governance and Nominating Committee.
Each of these standing committees is solely comprised of and chaired by independent directors, each of whom the Board has affirmatively
determined is &#8220;independent&#8221; within the meaning of applicable NASDAQ and SEC rules. Each of the committees operates pursuant
to its charter, copies of which are available on the Investors page of our corporate website, <i>www.riotblockchain.com</i>. The committee
charters are reviewed annually by the Governance and Nominating Committee. If appropriate, and in consultation with the chairs of the
other committees, the Governance and Nominating Committee proposes revisions to the charters. The responsibilities of each of the standing
committees of the Board are described in more detail below.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: italic bold 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">Audit Committee</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: justify; text-indent: 0.55in">The Board maintains a separately
designated Audit Committee established in accordance with Section 3(a)(58)(A) of the Exchange Act. Pursuant to its charter (a copy of
which is available on the Investors page of our corporate website, <i>www.riotblockchain.com</i>, under the &#8220;Governance&#8221; tab),
the Audit Committee is responsible for, among other things, periodically reviewing overall enterprise risk management, in addition to
maintaining responsibility for oversight of financial reporting-related risks, including those related to the Company&#8217;s accounting,
auditing and financial reporting practices.&#160;The Audit Committee also reviews reports and considers any material allegations regarding
potential violations of the Company&#8217;s Code of Ethics.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.55in">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.55in">The current members of the Audit
Committee are: (i) Mr. Benjamin Yi (chairperson); (ii) Mr. Hubert Marleau; and (iii) Ms. Hannah Cho. Our Board of Directors has determined
that each member of the Audit Committee meets the additional independence criteria for members of an Audit Committee under applicable
NASDAQ and SEC rules, including the requirements under Rule 10A-3(b)(1) of the Exchange Act. In addition, our Board of Directors has determined
that each member of the Audit Committee is financially literate, and that the Chairperson of the Audit Committee, Mr. Benjamin Yi, meets
the qualifications of an &#8220;Audit Committee Financial Expert&#8221; within the meaning of Rule 407(d)(5) of Regulation S-K based on
his experience and qualifications, as described in this Item 10 above.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: italic bold 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">Compensation and Human
Resources Committee</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: 0.55in">Pursuant to its charter (a copy
of which is available on the Investors page of our corporate website, <i>www.riotblockchain.com</i>, under the &#8220;Governance&#8221;
tab), the Compensation and Human Resources Committee is responsible for, among other things, overseeing and evaluating risks arising from
the Company&#8217;s compensation policies and programs. The Compensation and Human Resources Committee has responsibility for evaluating,
overseeing, and approving the Company&#8217;s executive compensation and benefit plans, policies and programs, including administering
the Riot Blockchain, Inc. 2019 Equity Incentive Plan, as amended (the &#8220;2019 Equity Plan&#8221;).</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.55in">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.55in">The current members of the Compensation
and Human Resources Committee are: (i) Mr. Benjamin Yi (chairperson); (ii) Mr. Hubert Marleau; and (iii) Ms. Hannah Cho. The Board has
affirmatively determined that each member of the Compensation and Human Resources Committee is &#8220;independent&#8221; within the meaning
of applicable SEC rules and meets the additional independence criteria applicable to Compensation and Human Resources Committee members
under applicable NASDAQ rules.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.55in">&#160;</p>

<p style="font: italic bold 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Governance and Nominating Committee</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: 0.55in">Pursuant to its charter (a copy
of which is available on the Investors page of our corporate website, <i>www.riotblockchain.com</i>, under the &#8220;Governance&#8221;
tab), the Governance and Nominating Committee oversees corporate governance risks and oversees and advises the Board with respect to the
Company&#8217;s policies and practices regarding significant issues of corporate responsibility. The Governance and Nominating Committee
is responsible for, among other things: conducting an annual evaluation of the Board and its committees; recommending candidates for nomination,
election or appointment to the Board and its committees; and taking a leadership role in shaping our corporate governance, including developing
and recommending to the Board our Corporate Governance Policies.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.55in">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.55in">The current members of the Compensation
and Human Resources Committee are: (i) Mr. Benjamin Yi; (ii) Mr. Hubert Marleau (chairperson); and (iii) Ms. Hannah Cho. The Board has
affirmatively determined that each member of the Governance and Nominating Committee is &#8220;independent&#8221; within the meaning of
applicable NASDAQ and SEC rules.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;&#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"></p>

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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: bold 10pt Times New Roman, Times, Serif; margin: 0"><i><span style="text-decoration: underline">Executive Officers</span></i></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0"><b>&#160;</b></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">The names of the Company&#8217;s
executive officers, their ages, their positions with the Company, and other biographical information are set forth below. Each of the
Company&#8217;s executive officers are appointed by the Board of Directors upon the recommendation of its Governance and Nominating Committee
and serve at the discretion of the Board. Other than the employment agreements they have entered into with the Company, there is no arrangement
or understanding between any executive officer and any other person(s) pursuant to which he or she was appointed or will be appointed
as an executive officer of the Company.&#160;&#160;There are no family relationships among any of the Company&#8217;s executive officers
and its directors.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&#160;</p>

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    <td>&#160;</td>
    <td>&#160;</td>
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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0"><b>&#160;</b></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.55in"><span style="background-color: white"><b><i>Jason
Les. </i></b>For a brief biography of Mr. Les, see the section under this Item 10 entitled, &#8220;Director Biographical Information and
Qualifications&#8221; above.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.55in">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.55in"><span style="background-color: white"><b><i>Jeffrey
G. McGonegal</i></b>, age 70, currently serves as the Chief Financial Officer (principal financial officer) of the Company. On February
8, 2021, the Company announced that Mr. McGonegal, who was appointed Chief Executive Officer in early 2019, would return to focus on his
long-standing position as the Company&#8217;s Chief Financial Officer.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.55in">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.55in"><span style="background-color: white">Mr.
McGonegal&#8217;s career has spanned over forty years in senior leadership roles working primarily with public entities, assisting them
with financing, merger, and acquisition transactions. Mr. McGonegal had previously served as the Company&#8217;s long time Chief Financial
Officer until April 2018 and subsequently had been assisting Riot Blockchain in a consulting role before assuming the role of Chief Executive
Officer of the Company in early 2019. In August of 2019, Mr. McGonegal also agreed to serve as acting Chief Financial Officer of the Company
following the departure of the Company&#8217;s previous Chief Financial Officer. From 1974 to 1997, Mr. McGonegal was an accountant with
BDO USA, LLP (formerly BDO Seidman LLP). While at BDO, Mr. McGonegal served as Managing Partner of the Denver, Colorado office. He received
a B.S. degree in accounting from Florida State University.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.55in">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.55in"><span style="background-color: white">Mr.
McGonegal has been with the Company for over a decade, and he brings a wealth of public company executive and financial reporting experience,
including senior leadership roles working primarily with public entities assisting them with financing, merger, and acquisition transactions,
to the position of Chief Financial Officer of the Company. </span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.55in">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.55in"><span style="background-color: white"><b><i>Megan
Brooks</i></b>, age 40, was appointed to serve as the Company&#8217;s Chief Operating Officer (principal operating officer) on April 6,
2021. Ms. Brooks joined Riot in 2018 and has most recently served as its Vice President of Finance, where she facilitated the Company&#8217;s
mining operations, including hardware procurement, site evaluation and project management at the direction of the Company&#8217;s Chief
Executive Officer and Chief Financial Officer. </span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.55in">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.55in"><span style="background-color: white">Ms.
Brooks has more than two decades of experience in operations, risk management and finance. Prior to joining Riot in 2018, Ms. Brooks served
as Vice President of Operations for Capstone Associated Services, Ltd., from 2006 to 2017. Ms. Brooks brings her experience in emerging
industries and navigating new regulatory environments to the position of COO. She holds a B.S. in Finance along with a Master&#8217;s
Certificate of Accountancy from the University of Houston, C.T. Bauer College of Business, with a certification in risk management, and
is a licensed Risk Manager. </span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.55in">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in; text-align: justify">Ms. Brooks has been with the Company
throughout its development as a significant cryptocurrency miner, during which time she has, at the direction of the Company&#8217;s <span style="background-color: white">Chief
Executive Officer and Chief Financial Officer, overseen the Company&#8217;s significant expansion of its mining power and its operations.
As</span> Chief Operating Officer, she will continue to oversee Riot&#8217;s operations, including mining, IT/Cybersecurity, Sarbanes-Oxley
Act of 2002 control design/implementation, and initiatives related to future expansion.</p>

<p style="font: 11pt Calibri, Helvetica, Sans-Serif; margin: 0; text-align: justify">&#160;</p>

<p style="font: bold 10pt Times New Roman, Times, Serif; margin: 0"><i><span style="text-decoration: underline">Code of Ethics and Corporate Governance Policies </span></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: justify; text-indent: 0.5in">We have adopted a Code of Ethics
and Business Conduct, Corporate Governance Guidelines, and other governance policies (collectively, our &#8220;Governance Policies&#8221;)
to which all of our employees, executive officers, and directors (referred to as &#8220;Covered Persons&#8221; in our Governance Policies)
are required to adhere in addressing the legal and ethical issues encountered in conducting their work. Our Governance Policies require
that all Covered Persons avoid conflicts of interest, comply with all laws and other legal requirements, conduct business in an honest
and ethical manner, and otherwise act with integrity. Our Governance Policies require all Covered Persons to report any conduct that they
believe is an actual or apparent violation of our Corporate Guidelines and may do so anonymously by contacting the Compliance Officer
designated by the Board. To date, there have been no waivers under our Governance Policies. We disclose on our website any amendment to,
or waiver of, any provision of our Governance Policies that is required to be disclosed pursuant to applicable securities laws. Copies
of our Governance Policies are available to shareholders free of charge upon request or may be viewed or downloaded from the Investor
Relations page of our website, <i>www.riotblockchain.com</i>. Requests for print copies of our Governance Policies should be addressed
to our corporate secretary as follows: Riot Blockchain, Inc., 202 6<sup>th</sup>&#160;Street, Suite 401, Castle Rock, Colorado 80104,
Attention: Corporate Secretary.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">&#160;</p>

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

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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

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<td style="width: 0"></td><td style="width: 1in"><span style="text-decoration: underline">ITEM 11</span>.</td><td><span style="text-decoration: underline">EXECUTIVE COMPENSATION</span></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-align: justify"><b><i><span style="text-decoration: underline">Oversight of Executive Compensation</span></i></b></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><b><i>&#160;</i></b></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">The Compensation and Human
Resources Committee has responsibility for evaluating, overseeing, and approving the Company&#8217;s executive compensation and
benefit plans, policies and programs, including administering the Company&#8217;s 2019 Equity Plan. When evaluating the compensation
of our executive officers, the Compensation and Human Resources Committee evaluates factors including the executive&#8217;s
responsibilities, experience and the competitive marketplace.&#160; The Compensation and Human Resources Committee may also invite
the senior executives and other members of management to participate in its deliberations, or to provide information to the
Compensation and Human Resources Committee for its consideration with respect to such deliberations, except that the Chief Executive
Officer may not be present for the deliberation of or the voting on compensation for the Chief Executive Officer.&#160; The Chief
Executive Officer may, however, be present for the deliberation of or the voting on compensation for any other officer. The
Compensation and Human Resources Committee has authority to retain such compensation consultants, outside counsel and other advisors
as the Compensation and Human Resources Committee in its sole discretion deems appropriate.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0"><b>&#160;</b></p>

<p style="font: italic bold 10pt Times New Roman, Times, Serif; margin: 0"><span style="text-decoration: underline">Summary Compensation Table</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0"><b>&#160;</b></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in; background-color: white">This
table provides disclosure, for fiscal years 2020 and 2019, the compensation paid or accrued (in U.S. Dollars) to our &#8220;Named Executive
Officers&#8221; as of December 31, 2020, who were Jeffrey McGonegal, our current Chief Financial Officer, and Ms. Megan Brooks, our current
Chief Operating Officer. We did not have any additional Named Executive Officers during the fiscal year ended December 31, 2020.</p>

<p style="font: 11pt Calibri, Helvetica, Sans-Serif; margin: 0">&#160;</p>

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<p style="font: 11pt Calibri, Helvetica, Sans-Serif; margin: 0">&#160;</p>

<table cellspacing="0" cellpadding="0" style="font: 11pt Calibri, Helvetica, Sans-Serif; width: 100%; border-collapse: collapse">
  <tr style="vertical-align: top">
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    <td style="padding-right: -5.4pt; padding-left: 5.4pt; text-align: justify; width: 93%"><span style="font: 10pt Times New Roman, Times, Serif">Effective
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  <tr style="vertical-align: top">
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    as of April 6, 2021, Ms. Brooks was appointed as Chief Operating Officer (principal operating officer) (&#8220;COO&#8221;) pursuant
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</table>

<p style="margin: 0">&#160;</p>

<p style="margin: 0">&#160;</p>

<p style="margin: 0"></p>

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<p style="margin: 0">&#160;</p>

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  <tr style="vertical-align: top">
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    &#8220;Stock Awards&#8221; column represents the aggregate grant date fair value for restricted stock awards granted under the
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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><b><i><span style="text-decoration: underline">Table of Outstanding Equity Awards at Fiscal
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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-align: justify; text-indent: 0.5in">The following table shows the
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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">&#160;</p>

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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">___________________________________________</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">(1) Includes options to purchase 12,000 common shares
at $4.09 per share granted on September 20, 2018 under the Company&#8217;s then-effective 2017 equity incentive plan, 100% of which vested
at the grant date. As of December 31, 2020, none of these options had been exercised. Also includes 52,447 unvested RSUs, representing
the unvested portion of the 209,790 RSUs granted on February 7, 2020 under the Company&#8217;s 2019 Equity Plan pursuant to Mr. McGonegal&#8217;s
employment agreement, at a value of $1.43 on the date of the award, which RSUs vested pro rata on a quarterly basis after the grant date.
Vested RSUs are convertible into shares of the Company&#8217;s common stock on a one-for-one basis.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><b>&#160;</b></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><b><i><span style="text-decoration: underline">Executive Employment Agreements</span></i></b></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: 27.5pt">The Company has entered into employment agreements
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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 27.5pt">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 27.5pt"><b><i>Jeffrey McGonegal, Chief
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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 27.5pt"><b>&#160;</b></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 27.5pt">Effective as of February 8,
2021, we entered into an executive employment agreement with Mr. McGonegal, pursuant to which he has agreed to serve as our CFO for
a one-year term and agreed to step down as our CEO in order to focus on his long-standing position as the Company&#8217;s CFO. As
our CFO, Mr. McGonegal will be paid an annual base salary of $360,000 and is eligible to receive additional cash incentive bonuses
up to 100% of his annual base salary, which amounts will be paid in accordance with the Company&#8217;s regular payroll practices as
compensation for his services as CFO. Upon entry into his current executive employment agreement, Mr. McGonegal was granted an
equity award of 20,000 RSUs under the Company&#8217;s 2019 Equity Plan, which are eligible to vest in four equal quarterly
installments following his appointment as CFO, and which are convertible into shares of our common stock on a one-for-one basis
following vesting. Any equity Mr. McGonegal may receive pursuant to his executive employment agreement will be awarded under the
Company&#8217;s 2019 Equity Plan, as the same may be amended or replaced from time to time during the term of his employment as our
CFO.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 27.5pt">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 27.5pt">During the fiscal year ended
December 31, 2020, Mr. McGonegal served as our CFO and CEO pursuant to an executive employment agreement, dated as of February 2, 2020,
at an annual base salary of $250,000, and was awarded 209,790 RSUs on February 7, 2020 under the Company&#8217;s 2019 Equity Plan, 52,447
of which remained unvested as of the December 31, 2020. &#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 27.5pt">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 27.5pt">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 27.5pt"></p>

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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 27.5pt">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 27.5pt"><b><i>Megan Brooks, Chief Operating
Officer</i></b></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 27.5pt"><b><i>&#160;</i></b></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 27.5pt">Effective as of April 6,
2021, we entered into an executive employment agreement with Ms. Brooks, pursuant to which she has agreed to serve as our COO for an
initial three-year term, which may be renewed for successive one-year terms after the expiration of the initial term. During the
initial three-year term of her employment as our COO, Ms. Brooks will be paid an annual base salary of $275,000 and is eligible to
receive additional cash incentive bonuses up to 100% of her annual base salary, which will be paid in accordance with the
Company&#8217;s regular payroll practices as compensation for her services as COO. Upon her appointment as COO, Ms. Brooks was
granted, as additional compensation for her services as our COO, an initial equity award of 6,000 RSUs under the Company&#8217;s 2019
Equity Plan pursuant to an equity award agreement with the Company, which RSUs are eligible to vest in four equal quarterly
installments following her appointment as COO. These RSUs are convertible into shares of our common stock on a one-for-one basis
following vesting, in accordance with the terms of the equity award agreement. As additional compensation for her services as our
COO, Ms. Brooks is also eligible to receive periodic equity awards, which will be subject to vesting schedules and other terms and
conditions, as set forth in equity award agreements with the Company, to be entered into as of the date of such future awards. Any
equity Ms. Brooks may receive pursuant to her executive employment agreement will be awarded under the Company&#8217;s 2019 Equity
Plan, as the same may be amended or replaced from time to time during the term of her employment as our COO.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 27.5pt">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 27.5pt">During the fiscal year
ended December 31, 2020, Ms. Brooks served as Riot&#8217;s Vice President of Finance in fiscal year 2020, at an annual base salary
of $175,000, and she received equity awards of 117,073 RSUs under the Company&#8217;s 2019 Equity Plan, pursuant to an equity award
agreement with the Company, all of which were vested as of December 31, 2020.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 27.5pt">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><b><i><span style="text-decoration: underline">Post-Employment Benefits</span></i></b></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: justify; text-indent: 0.5in">The following table discloses
the post-employment termination payments and benefits that would have been received by our Named Executive Officers, had a termination
event occurred on December 31, 2020. These amounts are estimates only and do not necessarily reflect the actual amounts that would be
paid to the Named Executive Officers, which amounts would only be known at the time that he or she becomes entitled to such payment.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">&#160;</p>

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

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%">
  <tr style="vertical-align: bottom">
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  <tr style="vertical-align: bottom; background-color: rgb(204,238,255)">
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    <td style="width: 1%; text-align: left">&#160;</td><td style="width: 10%; text-align: right">150,000</td><td style="width: 1%; text-align: left">&#160;</td><td style="width: 3%">&#160;</td>
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    <td style="text-align: left">&#160;</td><td style="text-align: right">&#8212;&#160;&#160;</td><td style="text-align: left">&#160;</td><td>&#160;</td>
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    <td style="text-align: left">&#160;</td><td style="text-align: right">1,041,075</td><td style="text-align: left">&#160;</td><td>&#160;</td>
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    <td style="font-size: 11pt; text-align: left">&#160;</td><td style="font-size: 11pt; text-align: right">&#160;</td><td style="font-size: 11pt; text-align: left">&#160;</td><td style="font-size: 11pt">&#160;</td>
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    <td style="text-align: left">&#160;</td><td style="text-align: right">&#8212;&#160;&#160;</td><td style="text-align: left">&#160;</td><td>&#160;</td>
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    <td style="text-align: left">&#160;</td><td style="text-align: right">&#8212;&#160;&#160;</td><td style="text-align: left">&#160;</td><td>&#160;</td>
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    <td style="text-align: left">&#160;</td><td style="text-align: right">&#8212;&#160;&#160;</td><td style="text-align: left">&#160;</td><td>&#160;</td>
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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">&#160;</p>


<p style="margin: 0"></p>

<table cellspacing="0" cellpadding="0" style="font: 11pt Calibri, Helvetica, Sans-Serif; width: 100%; border-collapse: collapse">
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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><b><i>&#160;</i></b></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><b><i>&#160;</i></b></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><b><i></i></b></p>

<!-- Field: Page; Sequence: 10 -->
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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><b><i>&#160;</i></b></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><b><i><span style="text-decoration: underline">Director Compensation</span></i></b></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: justify; text-indent: 0.5in">We pay our non-employee directors
a mix of cash and equity compensation, in amounts recommended by the Compensation and Human Resources Committee in consultation with independent
compensation consultants the committee engages from time to time to assess the appropriateness of Riot&#8217;s Board compensation package.
In recommending changes to the Company&#8217;s director compensation package, the Compensation and Human Resources Committee reviews market
data provided by independent compensation consultants and considers whether any changes in director compensation are required to enable
the Company to retain talented Board members, who, as members of the Board, are responsible for setting the Company&#8217;s strategic
vision, overseeing its growth and development, and protecting its shareholders&#8217; interests.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><b><i><span style="text-decoration: underline">Director Compensation Table</span></i></b></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><b><i>&#160;</i></b></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">The following table shows the
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as our director:</p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">&#160;</p>

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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">&#160;</p>

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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><b>&#160;</b></p>

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<td style="width: 0"></td><td style="width: 1in"><b><span style="text-decoration: underline">ITEM 12</span>.</b></td><td style="text-align: justify"><b><span style="text-decoration: underline">SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT AND RELATED STOCKHOLDER MATTERS</span></b></td></tr></table>

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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">The following table sets forth
certain information, as of April 27, 2021, based on 84,144,732 shares of common stock issued and outstanding as of that date, with respect
to the beneficial ownership of the outstanding common stock by (i) any person known to us to beneficially own more than five percent (5%)
of our common stock; (ii) each of the Company&#8217;s Named Executive Officers; (iii) the members of its Board of Directors; and (iv)
the Company&#8217;s Board of Directors and Named Executive Officers as a group. Beneficial ownership is determined in accordance with
Rule 13d-3 of the Securities Act.&#160; Accordingly, in computing the number of shares beneficially owned by a person or a group and the
percentage ownership of that person or group, shares of our common stock that the owner has the right to acquire within 60 days after
April 27, 2021 are deemed outstanding but are not deemed outstanding for the purpose of computing the percentage ownership of any other
person. Except as otherwise indicated, each of the shareholders listed below has sole voting and investment power over the shares beneficially
owned.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

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  <tr style="vertical-align: bottom; background-color: rgb(204,238,255)">
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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">&#160;</p>

<table cellspacing="0" cellpadding="0" style="font: 11pt Calibri, Helvetica, Sans-Serif; width: 100%">
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  <tr style="vertical-align: top">
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<p style="margin: 0">&#160;</p>

<p style="margin: 0">&#160;</p>

<p style="margin: 0"></p>

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<p style="margin: 0">&#160;</p>

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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"></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0"><b><i><span style="text-decoration: underline">Securities Authorized Under Equity Compensation Plans Information</span></i></b></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: justify; text-indent: 0.5in">The Company currently has one
current&#160;equity compensation plan, the Riot Blockchain, Inc. 2019 Equity Incentive Plan, as amended (the &#8220;2019 Equity Plan&#8221;),
as approved by the Company&#8217;s shareholders. Under the 2019 Equity Plan, the Company may provide stock-based compensation to employees,
directors and consultants. The Company&#8217;s previous 2017 Stock Incentive Plan, as amended, was replaced by the 2019 Equity Plan, with
the 2017 Stock Incentive Plan (the &#8220;2017 Equity Plan&#8221;) continuing to govern the then outstanding grants and awards for 12,000
options and 288,603 shares of restricted common stock made under the 2017 Equity Plan. As of the date of adoption of the 2019 Equity Plan,
no additional grants may be made under the 2017 Equity Plan. As approved by the Company&#8217;s shareholders during the 2019 Annual Meeting,
the Company reserved 3,600,000 shares of its Common Stock for issuance under the 2019 Equity Plan, and, as approved by the Company&#8217;s
shareholders during the 2020 Annual Meeting, the number of shares reserved for issuance under the 2019 Equity Plan was increased by 3,500,000
additional shares. The Company has granted convertible rights to receive 3,038,191 of these reserved shares of its Common Stock upon vesting
and settlement under the 2019 Equity Plan; 3,975,369 of the reserved shares of its Common Stock therefore remain issuable under the 2019
Equity Plan.</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: justify; text-indent: 0.5in">The following table provides information
as of December 31, 2020, about the shares of the Company&#8217;s Common Stock that may be issued upon the exercise of options or the vesting
of restricted common stock (including restricted stock units and other convertible equity rights) under the 2019 Equity Plan:</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">&#160;</p>

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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0"><b>&#160;</b></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0"><b>&#160;</b></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0"><b></b></p>

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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0"><b>&#160;</b></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; margin-top: 0; margin-bottom: 0"><tr style="vertical-align: top">
<td style="width: 0"></td><td style="width: 1in"><b><span style="text-decoration: underline">ITEM 13</span>.</b></td><td><b><span style="text-decoration: underline">CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS, AND DIRECTOR INDEPENDENCE</span></b></td></tr></table>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: italic bold 10pt Times New Roman, Times, Serif; margin: 0"><span style="text-decoration: underline">Certain Relationships and Related Transactions</span></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: justify; text-indent: 0.5in">The Audit Committee has responsibility
for reviewing and, if appropriate, for approving any related party transactions that would be required to be disclosed pursuant to applicable
SEC rules. This includes current or proposed transactions in which the Company was or is to be a participant in which the amount involved
exceeds the lower of either $120,000 or 1% of the average of the Company&#8217;s total assets at year-end for the last two completed fiscal
years, and in which any of the Company&#8217;s executive officers, Directors, or shareholders (or groups of shareholders) owning more
than 5% of the Company&#8217;s outstanding common stock, or any immediate family members of such persons (collectively a &#8220;Related
Party&#8221;), has a direct or indirect material interest.&#160; Our Audit Committee reviews and approves any transaction with a Related
Party we propose to enter into. Our Audit Committee charter details the policies and procedures relating to transactions that may present
actual, potential or perceived conflicts of interest and may raise questions as to whether such transactions are consistent with the best
interest of our company and our shareholders. Such transactions will be entered into only if found to be in the best interest of the Company
and approved in accordance with the Company&#8217;s Code of Ethics, which is available on the &#8220;Investors&#8221; page of Company&#8217;s
website, <i>www.riotblockchain.com</i>, under the &#8220;Governance&#8221; tab.</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: justify; text-indent: 0.5in">Since the beginning of the Company&#8217;s
last fiscal year, no transactions with a Related Party were approved by the Audit Committee. Other than the compensation arrangements
described under the section entitled &#8220;Executive Compensation&#8221; herein, and standard indemnification agreements with our directors
and officers, there were no transactions with a Related Party in which a Related Party had or will have a direct or indirect material
interest in the Company.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: italic bold 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0in"><span style="text-decoration: underline">Director Independence </span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><b>&#160;</b></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.55in">The Company&#8217;s Board is
currently comprised of three independent non-employee directors, (i) Mr. Benjamin Yi, (ii) Mr. Hubert Marleau, and (iii) Ms. Hannah Cho,
as well as one non-independent executive director, Mr. Jason Les, who currently serves as our CEO.&#160; Mr. Yi currently serves as Chairperson
of the Board and of its Audit Committee and Compensation and Human Resources Committee.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.55in">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.55in">Our Board of Directors periodically
assesses, with the recommendation of the Governance and Nominating Committee, the independence of its non-employee members as defined
in the listing standards of NASDAQ and applicable laws. The definition of &#8220;independent director&#8221; included in the NASDAQ rules
includes a series of objective tests, such as whether the director is an employee of the Company, whether the director has engaged in
various types of specified business dealings with the Company, and whether the director has an affiliation with an organization that has
had specified business dealings with the Company. Consistent with the Company&#8217;s Corporate Governance Policies, the Board&#8217;s
determination of independence is made in accordance with the NASDAQ rules, as the Board has not adopted supplemental independence standards.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.55in">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">In determining that each individual
who served as a member of the Board is independent, the Board considered that, in the ordinary course of business, transactions may occur
between the Company and entities with which some of our directors are affiliated. The Board unanimously determined that such transaction
occurring in the ordinary course of business with members of the Board were not material. No unusual discounts or terms were extended
to members of the Board by the Company in any such transactions.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">The Board, upon recommendation
of its Governance and Nominating Committee, unanimously determined that each of our three non-employee directors is &#8220;independent,&#8221;
as such term is defined under applicable NASDAQ and SEC rules, including the additional independence criteria for members of the Audit
Committee under applicable NASDAQ and SEC rules, including the requirements under Rule 10A-3(b)(1) of the Exchange Act.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.55in">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.55in">Further, as required by the NASDAQ
rules, the Board also has made a subjective determination with respect to each director that such director has no material relationship
with the Company (either directly or as a partner, stockholder or officer of an organization that has a relationship with the Company),
even if the director otherwise satisfies the objective independence tests included in the definition of an &#8220;independent director&#8221;
included in the NASDAQ and SEC rules, including the additional independence criteria for members of the Audit Committee under applicable
NASDAQ and SEC rules, including the requirements under Rule 10A-3(b)(1) of the Exchange Act.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.55in">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.55in">In addition, prior to his departure
from the Board in November 2020, the Board had determined that Mr. Remo Mancini, the former chairperson of the Board, qualified as an
&#8220;independent director&#8221; under applicable NASDAQ and SEC rules, including under the additional independence criteria for members
of the Audit Committee (which Mr. Mancini also chaired, prior to his departure) under applicable NASDAQ and SEC rules, including the requirements
under Rule 10A-3(b)(1) of the Exchange Act.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><b>&#160;</b></p>


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<p style="font: 10pt/107% Times New Roman, Times, Serif; margin: 0 0 8pt"><b>&#160;</b></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; margin-top: 0; margin-bottom: 0"><tr style="vertical-align: top">
<td style="width: 0"></td><td style="width: 1in"><b><span style="text-decoration: underline">ITEM 14</span>.</b></td><td style="text-align: justify"><b><span style="text-decoration: underline">PRINCIPAL ACCOUNTANT FEES AND SERVICES</span>&#160;</b></td></tr></table>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><b>&#160;</b></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">The Company&#8217;s Audit Committee
currently has a policy in place that requires its review and pre-approval of all audit and permissible non-audit services provided by
its independent auditors.&#160; These services requiring pre-approval by the Audit Committee may include audit services, audit related
services, tax services and other services.&#160; All of the services performed by the independent registered public accounting firm were
approved by the Company&#8217;s Audit Committee and prior to performance. The Audit Committee has determined that the payments made to
its independent accountants for these services are compatible with maintaining such auditors&#8217; independence.</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">Aggregate fees billed or expected
to be billed for professional services for the years ended December 31, 2020 and 2019 in the following categories and amounts were:</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<table cellpadding="0" cellspacing="0" style="font: 11pt Calibri, Helvetica, Sans-Serif; border-collapse: collapse; width: 100%">
  <tr style="vertical-align: bottom">
    <td>&#160;</td><td style="font: bold 10pt Times New Roman, Times, Serif; padding-bottom: 1pt">&#160;</td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; text-align: center">2020</td><td style="font: bold 10pt Times New Roman, Times, Serif; padding-bottom: 1pt">&#160;</td>
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  <tr style="vertical-align: bottom">
    <td>&#160;</td><td>&#160;</td>
    <td colspan="2">&#160;</td><td>&#160;</td>
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  <tr style="vertical-align: bottom; background-color: rgb(204,238,255)">
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  <tr style="vertical-align: bottom; background-color: White">
    <td style="font-size: 10pt">&#160;</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right">&#160;</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right">&#160;</td></tr>
  <tr style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left">Audit-Related Fees</td><td style="font: 10pt Times New Roman, Times, Serif">&#160;</td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left">&#160;</td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right">&#8212;&#160;&#160;</td><td style="font: 10pt Times New Roman, Times, Serif">&#160;</td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left">&#160;</td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right">&#8212;&#160;&#160;</td></tr>
  <tr style="vertical-align: bottom; background-color: White">
    <td>&#160;</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right">&#160;</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right">&#160;</td></tr>
  <tr style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left">Tax Fees (2)</td><td style="font: 10pt Times New Roman, Times, Serif">&#160;</td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left">&#160;</td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right">47,250</td><td style="font: 10pt Times New Roman, Times, Serif">&#160;</td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left">&#160;</td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right">2,000</td></tr>
  <tr style="vertical-align: bottom; background-color: White">
    <td>&#160;</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right">&#160;</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right">&#160;</td></tr>
  <tr style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left">All Other Fees</td><td style="font: 10pt Times New Roman, Times, Serif">&#160;</td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left">&#160;</td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right">&#8212;&#160;&#160;</td><td style="font: 10pt Times New Roman, Times, Serif">&#160;</td>
    <td style="font: 10pt Times New Roman, Times, Serif; text-align: left">&#160;</td><td style="font: 10pt Times New Roman, Times, Serif; text-align: right">&#8212;&#160;&#160;</td></tr>
  <tr style="vertical-align: bottom; background-color: White">
    <td style="padding-bottom: 1pt">&#160;</td><td style="padding-bottom: 1pt">&#160;</td>
    <td style="border-bottom: Black 1pt solid; text-align: left">&#160;</td><td style="border-bottom: Black 1pt solid; text-align: right">&#160;</td><td style="padding-bottom: 1pt">&#160;</td>
    <td style="border-bottom: Black 1pt solid; text-align: left">&#160;</td><td style="border-bottom: Black 1pt solid; text-align: right">&#160;</td></tr>
  <tr style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 2.5pt; text-align: left">Total Fees</td><td style="font: 10pt Times New Roman, Times, Serif; padding-bottom: 2.5pt">&#160;</td>
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  </table>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<table cellspacing="0" cellpadding="0" style="font: 11pt Calibri, Helvetica, Sans-Serif; width: 100%">
  <tr style="vertical-align: top">
    <td style="width: 6%">&#160;</td>
    <td style="width: 94%; text-align: justify">&#160;</td></tr>
  <tr style="vertical-align: top">
    <td><span style="font: 10pt Times New Roman, Times, Serif">(1)</span></td>
    <td style="text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">Audit fees relate to the financial statement audits, the quarterly reviews and related matters. Audit fees include services rendered by Marcum LLP, our independent registered accounting firm, for the 2020 and 2019 audits totaling $262,650 and $296,000, respectively. &#160;Fees also include services rendered by Marcum LLP for their reviews of the interim condensed consolidated financial statements included in the Company&#8217;s Form 10-Qs during the first three quarters of 2020 and 2019 totaling $85,490 and $72,000. Audit fees include services, including services related to the review of our registration statements by Marcum LLP, in 2020 and 2019, totaling $65,405 and $42,000, respectively and by MNP LLP and EisnerAmper LLP (the Company&#8217;s prior auditors) for 2019 totaling $7,000 and $12,000, respectively.&#160;</span></td></tr>
  <tr style="vertical-align: top">
    <td>&#160;</td>
    <td style="text-align: justify">&#160;</td></tr>
  <tr style="vertical-align: top">
    <td><span style="font: 10pt Times New Roman, Times, Serif">(2)</span></td>
    <td style="text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">Tax Fees include fees for services rendered for tax compliance and related matters. There were no Tax Fees incurred with or services provided by our auditors, Marcum LLP in 2020 or 2019.</span></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-align: justify; text-indent: 0.5in">Our principal accountant (through
its full-time employees) performed all work regarding the audit of our financial statements for the most recently completed fiscal year.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">&#160;</p>


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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<p style="font: bold 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><span style="text-decoration: underline">PART IV</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; margin-top: 0; margin-bottom: 0"><tr style="vertical-align: top">
<td style="width: 0"></td><td style="width: 1in"><b><span style="text-decoration: underline">ITEM 15</span>.</b></td><td><b><span style="text-decoration: underline">EXHIBITS, FINANCIAL STATEMENT SCHEDULES</span></b></td></tr></table>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<table cellspacing="0" cellpadding="0" style="font: 11pt Calibri, Helvetica, Sans-Serif; width: 100%">
  <tr>
    <td style="width: 12%"><span style="font: 10pt Times New Roman, Times, Serif"><b>No.</b></span></td>
    <td style="width: 88%"><span style="font: 10pt Times New Roman, Times, Serif"><b>Exhibit</b></span></td></tr>
  <tr>
    <td>&#160;</td>
    <td>&#160;</td></tr>
  <tr>
    <td><span style="font: 10pt Times New Roman, Times, Serif"><b>31.</b></span></td>
    <td><span style="font: 10pt Times New Roman, Times, Serif"><b><i>Certifications.</i></b></span></td></tr>
  <tr>
    <td>&#160;</td>
    <td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td></tr>
  <tr>
    <td><span style="font: 10pt Times New Roman, Times, Serif">31.1</span></td>
    <td><span style="font: 10pt Times New Roman, Times, Serif"><a href="ex31x1.htm">Rule 13a-14(a)/15d-14(a) - Certification of Chief Executive Officer *</a></span></td></tr>
  </table>
<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<table cellspacing="0" cellpadding="0" style="font: 11pt Calibri, Helvetica, Sans-Serif; width: 100%">
  <tr>
    <td style="width: 12%"><span style="font: 10pt Times New Roman, Times, Serif">31.2</span></td>
    <td style="width: 88%"><span style="font: 10pt Times New Roman, Times, Serif"><a href="ex31x2.htm">Rule 13a-14(a)/15d-14(a) - Certification of Principal Financial Officer *</a></span></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">*&#160;Filed herewith.</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: center"><b>SIGNATURES</b></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: justify; text-indent: 0.5in">Pursuant to the requirements of
Section 13 or 15(d) of the Securities Exchange Act of 1934, as amended, the registrant has duly caused this report to be signed on its
behalf on April 30, 2021, by the undersigned thereunto duly authorized.</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">&#160;</p>

<table cellspacing="0" cellpadding="0" style="font: 11pt Calibri, Helvetica, Sans-Serif; width: 100%">
  <tr style="vertical-align: bottom">
    <td style="width: 54%">&#160;</td>
    <td style="width: 46%; text-indent: 22.5pt; font-size: 10pt; font-weight: bold"><span style="font-family: Times New Roman, Times, Serif">RIOT BLOCKCHAIN, INC.</span></td></tr>
  <tr style="vertical-align: top">
    <td>&#160;</td>
    <td style="text-indent: 22.5pt">&#160;</td></tr>
  <tr style="vertical-align: top">
    <td>&#160;</td>
    <td style="border-bottom: Black 1pt solid; text-indent: 22.5pt"><span style="font: 10pt Times New Roman, Times, Serif">/s/ Jeffrey G. McGonegal</span></td></tr>
  <tr style="vertical-align: top">
    <td>&#160;</td>
    <td>
    <p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 22.5pt">Jeffrey G. McGonegal,</p>
    <p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 22.5pt">Chief Financial Officer (principal financial officer)</p></td></tr>
  </table>
<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><b>&#160;</b></p>

<p style="font: bold 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">POWER OF ATTORNEY</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: justify; text-indent: 0.5in">Pursuant to the requirements of
the Securities Exchange Act of 1934, as amended, this report has been signed below by the following persons on behalf of the registrant
on April 30, 2021 in the capacities indicated.</p>

<table cellspacing="0" cellpadding="0" style="font: 11pt Calibri, Helvetica, Sans-Serif; width: 100%">
  <tr>
    <td style="vertical-align: top">&#160;</td>
    <td colspan="2" style="vertical-align: top">&#160;</td>
    <td style="padding-bottom: 8pt; line-height: 107%">&#160;</td></tr>
  <tr style="vertical-align: top">
    <td colspan="2">&#160;</td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-size: 10pt"><span style="font-family: Times New Roman, Times, Serif">/s/ Jason Les</span></td></tr>
  <tr style="vertical-align: top">
    <td colspan="2">&#160;</td>
    <td colspan="2">
    <p style="font: 10pt Times New Roman, Times, Serif; margin: 0">Jason Les</p>
    <p style="font: 10pt Times New Roman, Times, Serif; margin: 0">Chief Executive Officer (principal executive officer) and Non-Independent
    Executive Director</p></td></tr>
  <tr style="vertical-align: top">
    <td colspan="2">&#160;</td>
    <td colspan="2">&#160;</td></tr>
  <tr style="vertical-align: top">
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    <td colspan="2" style="border-bottom: Black 1pt solid"><span style="font: 10pt Times New Roman, Times, Serif">/s/ Jeffrey G. McGonegal</span></td></tr>
  <tr style="vertical-align: top">
    <td colspan="2">&#160;</td>
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>CERTIFICATION</B></P>

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<P STYLE="font: 10pt/107% Times New Roman, Times, Serif; margin: 0 0 8pt"></P>

<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>CERTIFICATION</B></P>

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

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</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.PRE
<SEQUENCE>6
<FILENAME>riot-20201231_pre.xml
<DESCRIPTION>XBRL PRESENTATION FILE
<TEXT>
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Blockchain, Inc. (&#x201c;Riot Blockchain,&#x201d; &#x201c;Riot,&#x201d; the &#x201c;Company,&#x201d; &#x201c;we,&#x201d; &#x201c;us,&#x201d; &#x201c;our,&#x201d;
or the &#x201c;Registrant&#x201d;) is filing this Amendment No. 1 on Form 10-K/A (this &#x201c;Amendment No. 1&#x201d;) to amend its Annual
Report on Form&#160;10-K for the fiscal year ended December 31, 2020 that was originally filed with the U.S. Securities and Exchange Commission
(the &#x201c;SEC&#x201d;) on March 31, 2021 (the &#x201c;Original Form 10-K&#x201d;). We are filing this Amendment No. 1 to provide the information
required by Part III of Form 10-K previously omitted from the Original Form 10-K in accordance with General Instruction G.(3) to Form
10-K. This Amendment No. 1 also amends Item 15 of Part IV of the Original Form 10-K solely to include as exhibits the new certifications
required by Rule 13a-14(a) under the Securities Exchange Act of 1934, as amended (the &#x201c;Exchange Act&#x201d;). Because no financial
statements have been included in this Amendment No. 1 and this Amendment No. 1 does not contain or amend any disclosure with respect to
Items 307 and 308 of Regulation S-K, paragraphs 3, 4 and 5 of the certifications have been omitted. We are not including the certifications
under Section 906 of the Sarbanes-Oxley Act of 2002 (&#x201c;SOX&#x201d;) as no financial statements are being filed with this Amendment
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the consolidated financial statements and the related footnotes, which continue to speak only as of the date the Original Form 10-K was
filed. Accordingly, this Amendment No. 1 should be read in conjunction with the Original Form 10-K and the Company&#x2019;s other filings
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<span style="display: none;">v3.21.1</span><table class="report" border="0" cellspacing="2" id="idm140392310888600">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Cover - 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, 2020</div></th>
<th class="th"><div>Apr. 27, 2021</div></th>
<th class="th"><div>Jun. 30, 2020</div></th>
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<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_CoverAbstract', window );"><strong>Cover [Abstract]</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="text">&#160;<span></span>
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<td class="text">true<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_AmendmentDescription', window );">Amendment Description</a></td>
<td class="text">Riot
Blockchain, Inc. (&#8220;Riot Blockchain,&#8221; &#8220;Riot,&#8221; the &#8220;Company,&#8221; &#8220;we,&#8221; &#8220;us,&#8221; &#8220;our,&#8221;
or the &#8220;Registrant&#8221;) is filing this Amendment No. 1 on Form 10-K/A (this &#8220;Amendment No. 1&#8221;) to amend its Annual
Report on Form&#160;10-K for the fiscal year ended December 31, 2020 that was originally filed with the U.S. Securities and Exchange Commission
(the &#8220;SEC&#8221;) on March 31, 2021 (the &#8220;Original Form 10-K&#8221;). We are filing this Amendment No. 1 to provide the information
required by Part III of Form 10-K previously omitted from the Original Form 10-K in accordance with General Instruction G.(3) to Form
10-K. This Amendment No. 1 also amends Item 15 of Part IV of the Original Form 10-K solely to include as exhibits the new certifications
required by Rule 13a-14(a) under the Securities Exchange Act of 1934, as amended (the &#8220;Exchange Act&#8221;). Because no financial
statements have been included in this Amendment No. 1 and this Amendment No. 1 does not contain or amend any disclosure with respect to
Items 307 and 308 of Regulation S-K, paragraphs 3, 4 and 5 of the certifications have been omitted. We are not including the certifications
under Section 906 of the Sarbanes-Oxley Act of 2002 (&#8220;SOX&#8221;) as no financial statements are being filed with this Amendment
No. 1. Except as expressly stated, this Amendment No. 1 does not reflect events occurring after the filing of the Original Form 10-K or
modify or update in any way any of the other items or disclosures contained in the Original Form 10-K, including, without limitation,
the consolidated financial statements and the related footnotes, which continue to speak only as of the date the Original Form 10-K was
filed. Accordingly, this Amendment No. 1 should be read in conjunction with the Original Form 10-K and the Company&#8217;s other filings
with the SEC subsequent to the filing of the Original Form 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_DocumentAnnualReport', window );">Document Annual Report</a></td>
<td class="text">true<span></span>
</td>
<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_DocumentTransitionReport', window );">Document Transition Report</a></td>
<td class="text">false<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_dei_DocumentPeriodEndDate', window );">Document Period End Date</a></td>
<td class="text">Dec. 31,  2020<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_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>
</tr>
<tr 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">2020<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_CurrentFiscalYearEndDate', window );">Current Fiscal Year End Date</a></td>
<td class="text">--12-31<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_dei_EntityFileNumber', window );">Entity File Number</a></td>
<td class="text">001-33675<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_EntityRegistrantName', window );">Entity Registrant Name</a></td>
<td class="text">RIOT BLOCKCHAIN, INC.<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_dei_EntityCentralIndexKey', window );">Entity Central Index Key</a></td>
<td class="text">0001167419<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_EntityTaxIdentificationNumber', window );">Entity Tax Identification Number</a></td>
<td class="text">84-1553387<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_dei_EntityIncorporationStateCountryCode', window );">Entity Incorporation, State or Country Code</a></td>
<td class="text">NV<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_EntityAddressAddressLine1', window );">Entity Address, Address Line One</a></td>
<td class="text">202 6th Street<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_dei_EntityAddressAddressLine2', window );">Entity Address, Address Line Two</a></td>
<td class="text">Suite 401<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_EntityAddressCityOrTown', window );">Entity Address, City or Town</a></td>
<td class="text">Castle Rock<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_dei_EntityAddressStateOrProvince', window );">Entity Address, State or Province</a></td>
<td class="text">CO<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_EntityAddressPostalZipCode', window );">Entity Address, Postal Zip Code</a></td>
<td class="text">80104<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_dei_CityAreaCode', window );">City Area Code</a></td>
<td class="text">(303)<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_LocalPhoneNumber', window );">Local Phone Number</a></td>
<td class="text">794-2000<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_dei_Security12bTitle', window );">Title of 12(b) Security</a></td>
<td class="text">Common Stock no par value per share<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
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<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_TradingSymbol', window );">Trading Symbol</a></td>
<td class="text">RIOT<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_dei_SecurityExchangeName', window );">Security Exchange Name</a></td>
<td class="text">NASDAQ<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
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<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityWellKnownSeasonedIssuer', window );">Entity Well-known Seasoned Issuer</a></td>
<td class="text">Yes<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_EntityVoluntaryFilers', window );">Entity Voluntary Filers</a></td>
<td class="text">No<span></span>
</td>
<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 );">Entity Current Reporting Status</a></td>
<td class="text">Yes<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<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_EntityInteractiveDataCurrent', window );">Entity Interactive Data Current</a></td>
<td class="text">Yes<span></span>
</td>
<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>
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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_EntityEmergingGrowthCompany', window );">Entity Emerging Growth Company</a></td>
<td class="text">false<span></span>
</td>
<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_EntityShellCompany', window );">Entity Shell Company</a></td>
<td class="text">false<span></span>
</td>
<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityPublicFloat', window );">Entity Public Float</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
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<td class="nump">$ 77,700,000<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_dei_EntityCommonStockSharesOutstanding', window );">Entity Common Stock, Shares Outstanding</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">84,144,732<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr 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_IcfrAuditorAttestationFlag', window );">ICFR Auditor Attestation Flag</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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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Description of changes contained within amended 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">
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Boolean flag that is true when the XBRL content amends previously-filed or accepted submission.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Area code of city</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Cover page.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<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">
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Boolean flag that is true only for a form used as an annual report.</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 Form 10-K<br> -Number 249<br> -Section 310<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Form 20-F<br> -Number 249<br> -Section 220<br> -Subsection f<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Form 40-F<br> -Number 249<br> -Section 240<br> -Subsection f<br></p></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>Fiscal period values are FY, Q1, Q2, and Q3.  1st, 2nd and 3rd quarter 10-Q or 10-QT statements have value Q1, Q2, and Q3 respectively, with 10-K, 10-KT or other fiscal year statements having FY.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<td style="white-space:nowrap;">dei_DocumentFiscalPeriodFocus</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:fiscalPeriodItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_DocumentFiscalYearFocus">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>This is focus fiscal year of the document report in YYYY format. For a 2006 annual report, which may also provide financial information from prior periods, fiscal 2006 should be given as the fiscal year focus. Example: 2006.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_DocumentFiscalYearFocus</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:gYearItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_DocumentPeriodEndDate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The end date of the period reflected on the cover page if a periodic report. For all other reports and registration statements containing historical data, it is the date up through which that historical data is presented.  If there is no historical data in the report, use the filing date. The format of the date is YYYY-MM-DD.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_DocumentPeriodEndDate</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:dateItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_DocumentTransitionReport">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Boolean flag that is true only for a form used as a transition report.</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 Forms 10-K, 10-Q, 20-F<br> -Number 240<br> -Section 13<br> -Subsection a-1<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_DocumentTransitionReport</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_DocumentType">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word 'Other'.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_DocumentType</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:submissionTypeItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityAddressAddressLine1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Address Line 1 such as Attn, Building Name, Street Name</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_EntityAddressAddressLine1</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_EntityAddressAddressLine2">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Address Line 2 such as Street or Suite number</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_EntityAddressAddressLine2</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_EntityAddressCityOrTown">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Name of the City or Town</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_EntityAddressCityOrTown</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_EntityAddressPostalZipCode">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Code for the postal or zip code</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_EntityAddressPostalZipCode</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_EntityAddressStateOrProvince">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Name of the state or province.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityAddressStateOrProvince</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:stateOrProvinceItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityCentralIndexKey">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Regulation 12B<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityCentralIndexKey</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:centralIndexKeyItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityCommonStockSharesOutstanding">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Indicate number of shares or other units outstanding of each of registrant's classes of capital or common stock or other ownership interests, if and as stated on cover of related periodic report. Where multiple classes or units exist define each class/interest by adding class of stock items such as Common Class A [Member], Common Class B [Member] or Partnership Interest [Member] onto the Instrument [Domain] of the Entity Listings, Instrument.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityCommonStockSharesOutstanding</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityCurrentReportingStatus">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Indicate 'Yes' or 'No' whether registrants (1) have filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that registrants were required to file such reports), and (2) have been subject to such filing requirements for the past 90 days. This information should be based on the registrant's current or most recent filing containing the related disclosure.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityCurrentReportingStatus</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:yesNoItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityEmergingGrowthCompany">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Indicate if registrant meets the emerging growth company criteria.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Regulation 12B<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityEmergingGrowthCompany</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityFileNumber">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Commission file number. The field allows up to 17 characters. The prefix may contain 1-3 digits, the sequence number may contain 1-8 digits, the optional suffix may contain 1-4 characters, and the fields are separated with a hyphen.</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_EntityFileNumber</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:fileNumberItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityFilerCategory">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Indicate whether the registrant is one of the following: Large Accelerated Filer, Accelerated Filer, Non-accelerated Filer. Definitions of these categories are stated in Rule 12b-2 of the Exchange Act. This information should be based on the registrant's current or most recent filing containing the related disclosure.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Regulation 12B<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityFilerCategory</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:filerCategoryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityIncorporationStateCountryCode">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Two-character EDGAR code representing the state or country of incorporation.</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_EntityIncorporationStateCountryCode</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:edgarStateCountryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityInteractiveDataCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Boolean flag that is true when the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Regulation S-T<br> -Number 232<br> -Section 405<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityInteractiveDataCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:yesNoItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_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>The aggregate market value of the voting and non-voting common equity held by non-affiliates computed by reference to the price at which the common equity was last sold, or the average bid and asked price of such common equity, as of the last business day of the registrant's most recently completed second fiscal quarter.</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>Boolean flag that is true when the registrant is a shell company as defined in Rule 12b-2 of the Exchange Act.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Regulation 12B<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityShellCompany</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntitySmallBusiness">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Indicates that the company is a Smaller Reporting Company (SRC).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Regulation 12B<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntitySmallBusiness</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityTaxIdentificationNumber">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 Tax Identification Number (TIN), also known as an Employer Identification Number (EIN), is a unique 9-digit value assigned by the IRS.</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_EntityTaxIdentificationNumber</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:employerIdItemType</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>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_IcfrAuditorAttestationFlag">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Form 10-K<br> -Number 249<br> -Section 310<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Form 20-F<br> -Number 249<br> -Section 220<br> -Subsection f<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Form 40-F<br> -Number 249<br> -Section 240<br> -Subsection f<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ 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_IcfrAuditorAttestationFlag</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_LocalPhoneNumber">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Local phone number for entity.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_LocalPhoneNumber</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_Security12bTitle">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Title of a 12(b) registered security.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection b<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_Security12bTitle</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:securityTitleItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_SecurityExchangeName">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Name of the Exchange on which a security is registered.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection d1-1<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_SecurityExchangeName</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:edgarExchangeCodeItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_TradingSymbol">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Trading symbol of an instrument as listed on an exchange.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_TradingSymbol</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:tradingSymbolItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
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end
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<DOCUMENT>
<TYPE>XML
<SEQUENCE>10
<FILENAME>Show.js
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
// Edgar(tm) Renderer was created by staff of the U.S. Securities and Exchange Commission.  Data and content created by government employees within the scope of their employment are not subject to domestic copyright protection. 17 U.S.C. 105.
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<DOCUMENT>
<TYPE>XML
<SEQUENCE>11
<FILENAME>report.css
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
/* Updated 2009-11-04 */
/* v2.2.0.24 */

/* DefRef Styles */
..report table.authRefData{
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	font-size: 1em;
	position: absolute;
}

..report table.authRefData a {
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}

..report table.authRefData p {
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}

..report table.authRefData .hide {
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}

..report table.authRefData .hide a:hover {
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}

..report table.authRefData .body {
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	overflow: auto;
	width: 400px;
}

..report table.authRefData table{
	font-size: 1em;
}

/* Report Styles */
..pl a, .pl a:visited {
	color: black;
	text-decoration: none;
}

/* table */
..report {
	background-color: white;
	border: 2px solid #acf;
	clear: both;
	color: black;
	font: normal 8pt Helvetica, Arial, san-serif;
	margin-bottom: 2em;
}

..report hr {
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}

/* Top labels */
..report th {
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	font-weight: bold;
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}

..report th.void	{
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..report .pl {
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}

..report td.pl a.a {
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}

..report td.pl div.a {
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end
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
