Selected Balance Sheet Information (Tables)

3 Months Ended

Mar. 31, 2013

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Schedule of Other Current Assets [Table Text Block]

Prepaid expenses and other current assets (in thousands)

	March 31, 2013		December 31, 2012
Intrexon prepaid research and development expenses	$	2,033	$	2,412
Other receivables		44		17
Prepaid expenses		157		80
Total	$	2,234	$	2,509

Property, Plant and Equipment [Table Text Block]

Property and equipment (in thousands) 

	March 31, 2013			December 31, 2012
Manufacturing equipment	$	297		$	297
Computer and office equipment		38			35
Laboratory equipment		133			133
		468			465
Less accumulated depreciation		(253	)		(242	)
Total	$	215		$	223