Selected Balance Sheet Information

6 Months Ended

Jun. 30, 2016

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)

	June 30, 2016		December 31, 2015
Intrexon prepaid research and development expenses	$	48	$	643
Prepaid clinical research organizations		4,823		8,329
Prepaid insurances		185		339
Other prepaid expenses		718		208
Total	$	5,774	$	9,519

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 expenses during the balance of 2016.

Prepaid clinical research organization expense is classified as a current asset. The Company makes payments to the clinical research organizations based on agreed upon terms that includes payments in advance of study services. The Company anticipates that the majority of the prepaid clinical research organization expenses will be applied to research and development expenses during the balance of 2016.

Property and equipment (in thousands)  

	June 30, 2016		December 31, 2015
Computer and office equipment	$	384	$	346
Software		11		11
Leasehold improvements		241		242
		636		599
Less accumulated depreciation and amortization		(154)		(105)
Total	$	482	$	494

Accrued expenses (in thousands)

	June 30, 2016		December 31, 2015
Accrued manufacturing costs	$	203	$	-
Accrued vendor payments		486		133
Accrued clinical consulting services		1,152		164
Total	$	1,841	$	297

Accrued employee benefits (in thousands)

	June 30, 2016		December 31, 2015
Accrued bonus expense	$	717	$	-
Accrued vacation expense		199		153
Other accrued employee benefits		258		124
Total	$	1,174	$	277