Selected Balance Sheet Information

12 Months Ended

Dec. 31, 2012

Organization, Consolidation and Presentation Of Financial Statements [Abstract]

Supplemental Balance Sheet Disclosures [Text Block]

4. Selected Balance Sheet Information

Accounts receivable (in thousands)

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

Prepaid expenses and other current assets (in thousands)

	December 31,
	2012		2011
Intrexon prepaid research and development expenses - See Note 10	$	2,412	$	-
Other receivables		17		-
Prepaid expenses		80		16
Total	$	2,509	$	16

The Intrexon prepaid research and development expenses are classified as a current asset. The Company may terminate the arrangement at any time and receive a cash refund of the remaining balance minus any amounts owed to Intrexon. The Company anticipates that the majority of the prepaid will be applied to research and development goods and services during 2013.

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 liabilities (in thousands) 

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