<SEC-DOCUMENT>0001019687-11-002205.txt : 20110708
<SEC-HEADER>0001019687-11-002205.hdr.sgml : 20110708
<ACCEPTANCE-DATETIME>20110708152200
ACCESSION NUMBER:		0001019687-11-002205
CONFORMED SUBMISSION TYPE:	SC 13D/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20110708
DATE AS OF CHANGE:		20110708
GROUP MEMBERS:		MONICA CHAVEZ GELBAUM
GROUP MEMBERS:		THE QUERCUS TRUST

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Gelbaum David
		CENTRAL INDEX KEY:			0001391795

	FILING VALUES:
		FORM TYPE:		SC 13D/A

	MAIL ADDRESS:	
		STREET 1:		2309 SANTIAGO DRIVE
		CITY:			NEWPORT BEACH
		STATE:			CA
		ZIP:			92660

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ENERGY FOCUS, INC/DE
		CENTRAL INDEX KEY:			0000924168
		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTRIC LIGHTING & WIRING EQUIPMENT [3640]
		IRS NUMBER:				943021850
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13D/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-48205
		FILM NUMBER:		11959171

	BUSINESS ADDRESS:	
		STREET 1:		32000 AURORA ROAD
		CITY:			SOLON
		STATE:			OH
		ZIP:			44139
		BUSINESS PHONE:		5104900719

	MAIL ADDRESS:	
		STREET 1:		32000 AURORA ROAD
		CITY:			SOLON
		STATE:			OH
		ZIP:			44139

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	FIBERSTARS INC /CA/
		DATE OF NAME CHANGE:	19940527
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13D/A
<SEQUENCE>1
<FILENAME>energyfocus_sc13da16-033011.htm
<DESCRIPTION>SCHEDULE 13D/A
<TEXT>
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    <title>energyfocus_sc13da16-033011.htm</title>
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<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">SECURITIES AND EXCHANGE COMMISSION</font></div>

<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Washington, D.C. 20549</font></div>

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<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">(Amendment No.&#160;16)</font></div>

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<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Under the Securities Exchange Act of 1934</font></div>

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&#160;</div>

<div style="DISPLAY: block; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; TEXT-ALIGN: center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">Energy Focus, Inc.</font></div>

<div style="DISPLAY: block; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; TEXT-ALIGN: center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">(Name of Issuer)</font></div>

<div style="DISPLAY: block; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; TEXT-ALIGN: center">&#160;</div>

<div style="DISPLAY: block; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; TEXT-ALIGN: center"><font style="FONT-WEIGHT: bold">Common Stock, par value $0.0001</font></div>

<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">(Title of Class of Securities)</font></div>

<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center">&#160;</div>

<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="FONT-WEIGHT: bold">29268T102</font></div>

<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">(CUSIP Number)</font></div>

<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center">&#160;</div>

<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center">
<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">Joseph&#160;P. Bartlett</font></div>

<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">The Law Offices of Joseph P. Bartlett, A Professional Corporation</font></div>

<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold">1900</font><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: times new roman"> Avenue of the Stars, 20th Floor</font></div>

<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">Los Angeles, California 90067</font></div>

<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">(310) 584-1234</font></div>
</div>

<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Name, Address and Telephone Number of Person Authorized to</font></div>

<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Receive Notices and Communications)</font></div>

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<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="FONT-WEIGHT: bold">July 7, 2011</font></div>

<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">(Date of Event which Requires Filing of this Statement)</font></div>

<div style="DISPLAY: block; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25"><br>
</div>

<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt; TEXT-ALIGN: justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><font style="DISPLAY: inline; FONT-SIZE: 10pt">If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of &#167;&#167;240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box. </font><font style="DISPLAY: inline;" face="Wingdings">o</font></font></div>

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</div>

<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt; TEXT-ALIGN: justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><font style="DISPLAY: inline; FONT-WEIGHT: bold">Note:</font> Schedules filed in paper format shall include a signed original and five copies of the schedule, including all exhibits. See Rule.13d-7 for other parties to whom copies are to be sent.</font></div>

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</div>

<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt; TEXT-ALIGN: justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">* The remainder of this cover page shall be filled out for a reporting person&#8217;s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter disclosures provided in a prior cover page.</font></div>

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<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt; TEXT-ALIGN: justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">The information required on the remainder of this cover page shall not be deemed to be &#8220;filed&#8221; for the purpose of Section 18 of the Securities Exchange Act of 1934 (&#8220;Act&#8221;) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes.</font></div>

<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt; TEXT-ALIGN: justify">&#160;</div>

<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt; TEXT-ALIGN: justify">&#160;</div>

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<div style="WIDTH: 100%; TEXT-ALIGN: center"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: Times New Roman">&#160; </font></div>

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<table cellpadding="0" cellspacing="0" width="100%" style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">
<tr>
<td align="left" colspan="2" valign="middle" width="89%">
<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">CUSIP No.&#160;29268T102</font></div>
</td>
</tr><tr>
<td colspan="2" valign="middle" width="89%" style="BORDER-BOTTOM: black 2px outset"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">&#160; </font></td>
</tr><tr>
<td align="left" colspan="2" valign="middle" width="89%" style="PADDING-LEFT: 0pt; MARGIN-LEFT: 9pt; BORDER-BOTTOM: black 2px outset">
<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">1.&#160;&#160;Names of Reporting Person</font></div>

<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left">&#160;&#160;&#160;&#160; S.S. or I.R.S. Identificaiton No. of Above Person</div>

<div style="DISPLAY: block; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25">&#160;</div>

<div style="DISPLAY: block; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25">&#160;&#160;&#160;&#160; David Gelbaum, Trustee, The Quercus Trust</div>
</td>
</tr><tr>
<td align="left" colspan="2" valign="middle" width="89%">
<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">2.&#160;&#160;Check the Appropriate Box if a Member of a Group</font></div>
</td>
</tr><tr>
<td align="left" colspan="2" rowspan="2" valign="middle" width="89%" style="BORDER-BOTTOM: black 2px outset">
<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman"><font style="DISPLAY: inline; FONT-SIZE: 10pt">(a) <font style="DISPLAY: inline; FONT-FAMILY: wingdings">x</font></font></font></div>

<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman"><font style="DISPLAY: inline; FONT-SIZE: 10pt">(b) </font><font style="DISPLAY: inline; FONT-FAMILY: wingdings">o</font></font></div>
</td>
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<td align="left" valign="middle" width="89%">
<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">&#160;</font></div>
</td>
</tr><tr>
<td align="left" colspan="2" valign="middle" width="89%" style="BORDER-BOTTOM: black 2px outset">
<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">3.&#160;&#160;SEC Use Only</font></div>

<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left">&#160;</div>
</td>
</tr><tr>
<td align="left" colspan="2" valign="middle" width="89%" style="BORDER-BOTTOM: black 2px outset">
<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">4.&#160;&#160;Source of Funds</font></div>

<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left">&#160;</div>

<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left">&#160;&#160;&#160;&#160; PF</div>
</td>
</tr><tr>
<td align="left" colspan="2" valign="middle" width="89%" style="BORDER-BOTTOM: black 2px outset">
<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">5.&#160;&#160;Check if Disclosure of Legal Proceedings Is Required Pursuant to Items 2(d) or 2(e)&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: wingdings">o</font></div>
</td>
</tr><tr>
<td align="left" colspan="2" valign="middle" width="89%" style="BORDER-BOTTOM: black 2px outset">
<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">6.&#160;&#160;Citizenship or Place of Organization</font></div>

<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left">&#160;</div>

<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left">&#160;&#160;&#160;&#160; U.S.</div>
</td>
</tr><tr>
<td align="left" rowspan="4" valign="middle" width="18%" style="BORDER-BOTTOM: black 2px outset">
<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">&#160;&#160;&#160;Number of Shares</font></div>

<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">&#160;&#160;&#160;Beneficially</font></div>

<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">&#160;&#160;&#160;Owned by</font></div>

<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">&#160;&#160;&#160;Each Reporting</font></div>

<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">&#160;&#160;&#160;Person With:</font></div>
</td>
<td align="left" valign="middle" width="70%" style="BORDER-BOTTOM: black 2px outset">
<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">7.&#160;&#160;Sole Voting Power</font></div>

<div style="DISPLAY: block; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25">&#160;&#160;&#160; -0-</div>
</td>
</tr><tr>
<td align="left" valign="middle" width="18%" style="BORDER-BOTTOM: black 2px outset">
<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">8.&#160;&#160;Shared Voting Power</font></div>

<div style="DISPLAY: block; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25">&#160;&#160;&#160; 1,134,880</div>
</td>
</tr><tr>
<td align="left" valign="middle" width="18%" style="BORDER-BOTTOM: black 2px outset">
<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">9.&#160;&#160;Sole Dispositive Power</font></div>

<div style="DISPLAY: block; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25">&#160;&#160;&#160; -0-</div>
</td>
</tr><tr>
<td align="left" valign="middle" width="18%" style="BORDER-BOTTOM: black 2px outset">
<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">10.&#160;&#160;Shared Dispositive Power</font></div>

<div style="DISPLAY: block; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25">&#160;&#160;&#160;&#160; 1,134,880</div>
</td>
</tr><tr>
<td align="left" colspan="2" valign="middle" width="89%" style="BORDER-BOTTOM: black 2px outset">
<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">11.&#160;&#160;Aggregate Amount Beneficially Owned by Each Reporting Person</font></div>

<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left">&#160;&#160;&#160;&#160;&#160;&#160; </div>

<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left">&#160;&#160;&#160;&#160;&#160;&#160;&#160; 1,134,880</div>
</td>
</tr><tr>
<td align="left" colspan="2" valign="middle" width="89%" style="BORDER-BOTTOM: black 2px outset">
<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">12.&#160;&#160;Check if the Aggregate Amount in Row (11) Excludes Certain Shares&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: wingdings">o</font></div>

<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left">&#160;</div>
</td>
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<td align="left" colspan="2" valign="middle" width="89%" style="BORDER-BOTTOM: black 2px outset">
<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">13.&#160;&#160;Percent of Class Represented by Amount in Row (11)</font></div>

<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left">&#160;</div>

<div style="DISPLAY: block; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25">&#160;&#160;&#160;&#160;&#160;&#160; 4.9% (2)</div>
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<td align="left" colspan="2" valign="middle" width="89%" style="BORDER-BOTTOM: black 2px outset">
<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">14.&#160;&#160;Type of Reporting Person</font></div>

<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left">&#160;</div>

<div style="DISPLAY: block; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25">&#160;&#160;&#160;&#160;&#160;&#160;&#160; IN</div>
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<div style="DISPLAY: block; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25">__________________</div>

<div style="DISPLAY: block; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; TEXT-ALIGN: justify">(1) See Item 5(a) of this Amendment No. 15 for a more detailed explanation of the beneficial ownership and percentage of beneficial ownership of the Reporting Persons with respect to the shares of Common Stock of the Issuer.</div>

<div style="DISPLAY: block; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; TEXT-ALIGN: justify">(2) Based on Form 10-Q filed 5/12/11 showing 24,756,517 shares outstanding.</div>

<div style="DISPLAY: block; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25">&#160;&#160;&#160; </div>

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<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">CUSIP No.&#160;29268T102</font></div>
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<td colspan="2" valign="middle" width="89%" style="BORDER-BOTTOM: black 2px outset"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">&#160; </font></td>
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<td align="left" colspan="2" valign="middle" width="89%" style="PADDING-LEFT: 0pt; MARGIN-LEFT: 9pt; BORDER-BOTTOM: black 2px outset">
<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">1.&#160;&#160;Names of Reporting Person</font></div>

<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left">&#160;&#160;&#160;&#160; S.S. or I.R.S. Identificaiton No. of Above Person</div>

<div style="DISPLAY: block; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25">&#160;</div>

<div style="DISPLAY: block; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25">&#160;&#160;&#160;&#160;&#160;Monica Chavez&#160;Gelbaum, Trustee, The Quercus Trust</div>
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<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">2.&#160;&#160;Check the Appropriate Box if a Member of a Group</font></div>
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<td align="left" colspan="2" rowspan="2" valign="middle" width="89%" style="BORDER-BOTTOM: black 2px outset">
<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman"><font style="DISPLAY: inline; FONT-SIZE: 10pt">(a) <font style="DISPLAY: inline; FONT-FAMILY: wingdings">x</font></font></font></div>

<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman"><font style="DISPLAY: inline; FONT-SIZE: 10pt">(b) </font><font style="DISPLAY: inline; FONT-FAMILY: wingdings">o</font></font></div>
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<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">&#160;</font></div>
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<td align="left" colspan="2" valign="middle" width="89%" style="BORDER-BOTTOM: black 2px outset">
<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">3.&#160;&#160;SEC Use Only</font></div>

<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left">&#160;</div>
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<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">4.&#160;&#160;Source of Funds</font></div>

<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left">&#160;</div>

<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left">&#160;&#160;&#160;&#160; PF</div>
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<td align="left" colspan="2" valign="middle" width="89%" style="BORDER-BOTTOM: black 2px outset">
<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">5.&#160;&#160;Check if Disclosure of Legal Proceedings Is Required Pursuant to Items 2(d) or 2(e)&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: wingdings">o</font></div>
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<td align="left" colspan="2" valign="middle" width="89%" style="BORDER-BOTTOM: black 2px outset">
<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">6.&#160;&#160;Citizenship or Place of Organization</font></div>

<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left">&#160;</div>

<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left">&#160;&#160;&#160;&#160; U.S.</div>
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<td align="left" rowspan="4" valign="middle" width="18%" style="BORDER-BOTTOM: black 2px outset">
<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">&#160;&#160;&#160;Number of Shares</font></div>

<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">&#160;&#160;&#160;Beneficially</font></div>

<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">&#160;&#160;&#160;Owned by</font></div>

<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">&#160;&#160;&#160;Each Reporting</font></div>

<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">&#160;&#160;&#160;Person With:</font></div>
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<td align="left" valign="middle" width="70%" style="BORDER-BOTTOM: black 2px outset">
<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">7.&#160;&#160;Sole Voting Power</font></div>

<div style="DISPLAY: block; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25">&#160;&#160;&#160; -0-</div>
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<td align="left" valign="middle" width="18%" style="BORDER-BOTTOM: black 2px outset">
<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">8.&#160;&#160;Shared Voting Power</font></div>

<div style="DISPLAY: block; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25">&#160;&#160;&#160;&#160;1,134,880</div>
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<td align="left" valign="middle" width="18%" style="BORDER-BOTTOM: black 2px outset">
<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">9.&#160;&#160;Sole Dispositive Power</font></div>

<div style="DISPLAY: block; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25">&#160;&#160;&#160; -0-</div>
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<td align="left" valign="middle" width="18%" style="BORDER-BOTTOM: black 2px outset">
<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">10.&#160;&#160;Shared Dispositive Power</font></div>

<div style="DISPLAY: block; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25">&#160;&#160;&#160;&#160;&#160;1,134,880</div>
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<td align="left" colspan="2" valign="middle" width="89%" style="BORDER-BOTTOM: black 2px outset">
<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">11.&#160;&#160;Aggregate Amount Beneficially Owned by Each Reporting Person</font></div>

<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left">&#160;&#160;&#160;&#160;&#160;&#160; </div>

<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;1,134,880</div>
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<td align="left" colspan="2" valign="middle" width="89%" style="BORDER-BOTTOM: black 2px outset">
<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">12.&#160;&#160;Check if the Aggregate Amount in Row (11) Excludes Certain Shares&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: wingdings">o</font></div>

<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left">&#160;</div>
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<td align="left" colspan="2" valign="middle" width="89%" style="BORDER-BOTTOM: black 2px outset">
<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">13.&#160;&#160;Percent of Class Represented by Amount in Row (11)</font></div>

<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left">&#160;</div>

<div style="DISPLAY: block; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25">&#160;&#160;&#160;&#160;&#160;&#160; 4.9% (2)</div>
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<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">14.&#160;&#160;Type of Reporting Person</font></div>

<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left">&#160;</div>

<div style="DISPLAY: block; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25">&#160;&#160;&#160;&#160;&#160;&#160;&#160; IN</div>
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<div style="DISPLAY: block; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25">__________________</div>

<div style="DISPLAY: block; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; TEXT-ALIGN: justify">(1) See Item 5(a) of this Amendment No. 15 for a more detailed explanation of the beneficial ownership and percentage of beneficial ownership of the Reporting Persons with respect to the shares of Common Stock of the Issuer.</div>
</div>

<div style="DISPLAY: block; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25">(2) Based on Form 10-Q filed 5/12/11 showing 24,756,517 shares outstanding.</div>

<div style="DISPLAY: block; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25">&#160;</div>

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<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">CUSIP No.&#160;29268T102</font></div>
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<td colspan="2" valign="middle" width="89%" style="BORDER-BOTTOM: black 2px outset"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">&#160; </font></td>
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<td align="left" colspan="2" valign="middle" width="89%" style="PADDING-LEFT: 0pt; MARGIN-LEFT: 9pt; BORDER-BOTTOM: black 2px outset">
<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">1.&#160;&#160;Names of Reporting Person</font></div>

<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left">&#160;&#160;&#160;&#160; S.S. or I.R.S. Identificaiton No. of Above Person</div>

<div style="DISPLAY: block; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25">&#160;</div>

<div style="DISPLAY: block; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25">&#160;&#160;&#160;&#160; The Quercus Trust</div>
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<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">2.&#160;&#160;Check the Appropriate Box if a Member of a Group</font></div>
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<td align="left" colspan="2" rowspan="2" valign="middle" width="89%" style="BORDER-BOTTOM: black 2px outset">
<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman"><font style="DISPLAY: inline; FONT-SIZE: 10pt">(a) <font style="DISPLAY: inline; FONT-FAMILY: wingdings">x</font></font></font></div>

<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman"><font style="DISPLAY: inline; FONT-SIZE: 10pt">(b) </font><font style="DISPLAY: inline; FONT-FAMILY: wingdings">o</font></font></div>
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<td align="left" valign="middle" width="89%">
<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">&#160;</font></div>
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<td align="left" colspan="2" valign="middle" width="89%" style="BORDER-BOTTOM: black 2px outset">
<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">3.&#160;&#160;SEC Use Only</font></div>

<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left">&#160;</div>
</td>
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<td align="left" colspan="2" valign="middle" width="89%" style="BORDER-BOTTOM: black 2px outset">
<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">4.&#160;&#160;Source of Funds</font></div>

<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left">&#160;</div>

<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left">&#160;&#160;&#160;&#160; PF</div>
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</tr><tr>
<td align="left" colspan="2" valign="middle" width="89%" style="BORDER-BOTTOM: black 2px outset">
<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">5.&#160;&#160;Check if Disclosure of Legal Proceedings Is Required Pursuant to Items 2(d) or 2(e)&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: wingdings">o</font></div>
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<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">6.&#160;&#160;Citizenship or Place of Organization</font></div>

<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left">&#160;</div>

<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left">&#160;&#160;&#160;&#160; U.S.</div>
</td>
</tr><tr>
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<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">&#160;&#160;&#160;Number of Shares</font></div>

<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">&#160;&#160;&#160;Beneficially</font></div>

<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">&#160;&#160;&#160;Owned by</font></div>

<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">&#160;&#160;&#160;Each Reporting</font></div>

<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">&#160;&#160;&#160;Person With:</font></div>
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<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">7.&#160;&#160;Sole Voting Power</font></div>

<div style="DISPLAY: block; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25">&#160;&#160;&#160; -0-</div>
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<td align="left" valign="middle" width="18%" style="BORDER-BOTTOM: black 2px outset">
<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">8.&#160;&#160;Shared Voting Power</font></div>

<div style="DISPLAY: block; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25">&#160;&#160;&#160;&#160;1,134,880</div>
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<td align="left" valign="middle" width="18%" style="BORDER-BOTTOM: black 2px outset">
<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">9.&#160;&#160;Sole Dispositive Power</font></div>

<div style="DISPLAY: block; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25">&#160;&#160;&#160; -0-</div>
</td>
</tr><tr>
<td align="left" valign="middle" width="18%" style="BORDER-BOTTOM: black 2px outset">
<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">10.&#160;&#160;Shared Dispositive Power</font></div>

<div style="DISPLAY: block; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25">&#160;&#160;&#160;&#160;&#160;1,134,880</div>
</td>
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<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">11.&#160;&#160;Aggregate Amount Beneficially Owned by Each Reporting Person</font></div>

<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left">&#160;&#160;&#160;&#160;&#160;&#160; </div>

<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left">&#160;&#160;&#160;&#160;&#160;&#160;&#160;1,134,880</div>
</td>
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<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">12.&#160;&#160;Check if the Aggregate Amount in Row (11) Excludes Certain Shares&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: wingdings">o</font></div>

<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left">&#160;</div>
</td>
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<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">13.&#160;&#160;Percent of Class Represented by Amount in Row (11)</font></div>

<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left">&#160;</div>

<div style="DISPLAY: block; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25">&#160;&#160;&#160;&#160;&#160;&#160; 4.9% (2)</div>
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<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">14.&#160;&#160;Type of Reporting Person</font></div>

<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left">&#160;</div>

<div style="DISPLAY: block; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25">&#160;&#160;&#160;&#160;&#160;&#160;&#160; OO</div>
</td>
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<div style="DISPLAY: block; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25">__________________</div>

<div style="DISPLAY: block; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; TEXT-ALIGN: justify">(1) See Item 5(a) of this Amendment No. 13 for a more detailed explanation of the beneficial ownership and percentage of beneficial ownership of the Reporting Persons with respect to the shares of Common Stock of the Issuer.</div>

<div style="DISPLAY: block; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; TEXT-ALIGN: justify">(2) Based on Form 10-Q filed 5/12/11 showing 24,756,517 shares outstanding.</div>
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<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 435.6pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">&#160;</font></div>

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<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 36pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">This Amendment No. 16 to Schedule 13D (this "Amendment") amends and restates, where indicated, the statement on Schedule 13D relating to the common stock, par value $0.0001 per share, of the Issuer ("Common Stock"), filed by The Quercus Trust, David Gelbaum and Monica Chavez Gelbaum (collectively, the "Reporting Persons") with the Securities and Exchange Commission (the "SEC") on August 31, 2007 and prior amendments thereto (collectively, the "Prior Schedules"). Capitalized terms used in this Amendment but not otherwise defined herein have the meanings given to them in the Prior Schedules. Except as otherwise set forth herein, this Amendment does not modify any of the information previously reported by the Reporting Persons in the Prior Schedules.</font></div>

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<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 36pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;&#160;&#160; </div>

<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt; TEXT-ALIGN: left">Item 4. Purpose of Transaction. </div>

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<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 36pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">This Amendment is being filed to correct typographical errors which indicated that two of the Reporting Persons owned 22% of the outstanding shares when in fact all Reporting Persons share beneficial ownership of 4.9% of the outstanding Common Stock.</div>

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<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">SIGNATURE</font></div>

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<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 36pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 3.6pt; TEXT-ALIGN: justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">After reasonable inquiry and to the best of its knowledge and belief, each of the undersigned certifies that the information set forth in this statement is true, complete and correct and agrees that this statement may be filed jointly with the other undersigned parties.</font></div>

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<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">Dated: July 8, 2011</font></div>
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<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">/s/ Joseph P. Bartlett, as Attorney-In-Fact for Monica Chavez Gelbaum</font></div>
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<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">David Gelbaum, Co-Trustee of The Quercus Trust</font></div>
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<td align="left" valign="top" width="55%" style="BORDER-BOTTOM: black 2px solid">
<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">/s/ Joseph P. Bartlett,<font style="DISPLAY: inline">&#160;as Attorney-In-Fact for Monica Chavez Gelbaum</font></font></div>
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<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt; TEXT-ALIGN: left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">Monica Chavez Gelbaum, Co-Trustee of The Quercus Trust</font></div>
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<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt; TEXT-ALIGN: left">
<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">/s/ Joseph P. Bartlett,<font style="DISPLAY: inline">&#160;as Attorney-In-Fact for </font></font>David Gelbaum</font></div>
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<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt; TEXT-ALIGN: left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">The Quercus Trust, David Gelbaum, Co-Trustee of The Quercus Trust</font></div>
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<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">CUSIP No. 29268T102</div>

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<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt; TEXT-ALIGN: center"><font style="FONT-WEIGHT: bold">POWER OF ATTORNEY</font></div>

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<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">Monica Chavez Gelbaum and David Gelbaum each hereby constitutes and appoints Joseph P. Bartlett as his or her true and lawful attorney-in-fact and agent, acting alone, with full power and substitution and resubstitution, to sign on her behalf, individually and in each capacity stated below, all reports of beneficial ownership on Forms 3, 4 and 5, and reports on SC13D, of the Securities and Exchange Commission, and any and all amendments, exhibits and any other documents related thereto, and to file the same, with all exhibits thereto and any other documents in connection therewith, with the Securities and Exchange Commission under the Securities Exchange Act of 1934, granting unto said attorney-in-fact and agent full power and authority to do and perform each and every act and thing requisite and necessary to be done in and about the premises, as fully and to all intents and purposes as such person might or could do in person, hereby ratifying and confirming each act that said attorney-in-fact and agent may lawfully do or cause to be done by virtue thereof.</div>

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<div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">This&#160;has been&#160;duly executed&#160;by the following persons in the capacities indicated on&#160;February 10, 2011.</div>

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