<informationTable xmlns="http://www.sec.gov/edgar/document/thirteenf/informationtable">		<infoTable>
			<nameOfIssuer>AMTECH SYS INC</nameOfIssuer>
			<titleOfClass>COM PAR $0.01N</titleOfClass>
			<cusip>032332504</cusip>
			<value>4392</value>
			<shrsOrPrnAmt>
				<sshPrnamt>600000</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>DFND</investmentDiscretion>
			<otherManager>0</otherManager>
			<votingAuthority>
				<Sole>600000</Sole>
				<Shared>0</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
		<infoTable>
			<nameOfIssuer>AMTECH SYS INC</nameOfIssuer>
			<titleOfClass>COM PAR $0.01N</titleOfClass>
			<cusip>032332504</cusip>
			<value>12078</value>
			<shrsOrPrnAmt>
				<sshPrnamt>1650000</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>OTR</investmentDiscretion>
			<otherManager>0</otherManager>
			<votingAuthority>
				<Sole>0</Sole>
				<Shared>1650000</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
		<infoTable>
			<nameOfIssuer>ASTRONOVA INC</nameOfIssuer>
			<titleOfClass>COM</titleOfClass>
			<cusip>04638F108</cusip>
			<value>257</value>
			<shrsOrPrnAmt>
				<sshPrnamt>16567</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>DFND</investmentDiscretion>
			<otherManager>0</otherManager>
			<votingAuthority>
				<Sole>16567</Sole>
				<Shared>0</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
		<infoTable>
			<nameOfIssuer>AUTOWEB INC</nameOfIssuer>
			<titleOfClass>COM</titleOfClass>
			<cusip>05335B100</cusip>
			<value>2056</value>
			<shrsOrPrnAmt>
				<sshPrnamt>690000</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>DFND</investmentDiscretion>
			<otherManager>0</otherManager>
			<votingAuthority>
				<Sole>690000</Sole>
				<Shared>0</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
		<infoTable>
			<nameOfIssuer>EVOLVING SYS INC</nameOfIssuer>
			<titleOfClass>COM NEW</titleOfClass>
			<cusip>30049R209</cusip>
			<value>6018</value>
			<shrsOrPrnAmt>
				<sshPrnamt>1250000</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>DFND</investmentDiscretion>
			<otherManager>0</otherManager>
			<votingAuthority>
				<Sole>1250000</Sole>
				<Shared>0</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
		<infoTable>
			<nameOfIssuer>GULF ISLAND FABRICATION INC</nameOfIssuer>
			<titleOfClass>COM</titleOfClass>
			<cusip>402307102</cusip>
			<value>7609</value>
			<shrsOrPrnAmt>
				<sshPrnamt>1071700</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>DFND</investmentDiscretion>
			<otherManager>0</otherManager>
			<votingAuthority>
				<Sole>1071700</Sole>
				<Shared>0</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
		<infoTable>
			<nameOfIssuer>HILL INTERNATIONAL INC</nameOfIssuer>
			<titleOfClass>COM</titleOfClass>
			<cusip>431466101</cusip>
			<value>906</value>
			<shrsOrPrnAmt>
				<sshPrnamt>158996</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>DFND</investmentDiscretion>
			<otherManager>0</otherManager>
			<votingAuthority>
				<Sole>158996</Sole>
				<Shared>0</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
		<infoTable>
			<nameOfIssuer>INTL FCSTONE INC</nameOfIssuer>
			<titleOfClass>COM</titleOfClass>
			<cusip>46116V105</cusip>
			<value>216</value>
			<shrsOrPrnAmt>
				<sshPrnamt>5058</sshPrnamt>
				<sshPrnamtType>SH</sshPrnamtType>
			</shrsOrPrnAmt>
			<investmentDiscretion>DFND</investmentDiscretion>
			<otherManager>0</otherManager>
			<votingAuthority>
				<Sole>5058</Sole>
				<Shared>0</Shared>
				<None>0</None>
			</votingAuthority>
		</infoTable>
</informationTable>
