Selected Balance Sheet Information

3 Months Ended

Mar. 31, 2014

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Supplemental Balance Sheet Disclosures [Text Block]

4.  Selected Balance Sheet Information

Prepaid expenses and other current assets (in thousands)

	March 31, 2014		December 31, 2013
Intrexon prepaid research and development expenses	$	1,163	$	1,361
Prepaid insurance		121		177
Prepaid expenses		48		53
Total	$	1,332	$	1,591

The anticipated Intrexon research and development expenses for the next twelve months 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.

Property and equipment (in thousands)   

	March 31, 2014		December 31, 2013
Computer and office equipment	$	49	$	45
Software		11		11
		60		56
Less accumulated depreciation		(22)		(19)
Total	$	38	$	37