Selected Balance Sheet Information (Tables)

12 Months Ended

Dec. 31, 2012

Organization, Consolidation and Presentation Of Financial Statements [Abstract]

Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]

Accounts receivable (in thousands)

	December 31,
	2012			2011
Accounts receivable	$	682		$	692
Bad debt allowance - customer		(682	)		(287	)
Total	$	-		$	405

Schedule of Other Current Assets [Table Text Block]

Prepaid expenses and other current assets (in thousands)

	December 31,
	2012		2011
Intrexon prepaid research and development expenses	$	2,412	$	-
Other receivables		17
Prepaid expenses		80		16
Total	$	2,509	$	16

Property, Plant and Equipment [Table Text Block]

Property and equipment (in thousands) 

	December 31,
	2012			2011
Manufacturing equipment	$	297		$	400
Computer and office equipment		35			159
Laboratory equipment		133			136
		465			695
Less accumulated depreciation		(242	)		(372	)
Total	$	223		$	323

Accrued Expenses [Table Text Block]

Accrued liabilities (in thousands) 

	December 31,
	2012		2011
Accrued vendor payments	$	-	$	1
Compensation		-		28
Total	$	-	$	29