Selected Balance Sheet Information

6 Months Ended

Jun. 30, 2017

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, 2017		December 31, 2016
Clinical consulting services refund receivable	$	612	$	-
Prepaid conferences, travel and other expenses		382		295
Grant receivable		315		185
Prepaid insurance		185		358
Prepaid clinical research organizations		46		1,677
Total	$	1,540	$	2,515

Prepaid clinical research organizations expense is classified as a current asset. The Company makes payments to the clinical research organizations based on agreed upon terms that include 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 fiscal year 2017.

Property and equipment, net (in thousands)

	June 30,  2017		December 31,  2016
Computers and office equipment	$	653	$	641
Leasehold improvements		439		439
Software		11		11
		1,103		1,091
Less accumulated depreciation and amortization		(303)		(186)
Total	$	800	$	905

Accrued expenses (in thousands)

	June 30, 2017		December 31, 2016
Accrued clinical consulting services	$	1,129	$	2,211
Accrued manufacturing costs		368		14
Accrued vendor payments		249		400
Other accrued expenses		4		2
Total	$	1,750	$	2,627

Accrued employee benefits (in thousands)

	June 30, 2017		December 31, 2016
Accrued bonus expense	$	842	$	-
Accrued vacation expense		367		261
Other accrued employee benefits		-		52
Total	$	1,209	$	313