Selected Balance Sheet Information

3 Months Ended

Mar. 31, 2018

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, 2018		December 31, 2017
Prepaid consulting, subscriptions and other expenses	$	265	$	290
Prepaid insurances		237		351
Prepaid conferences and travel		104		94
Clinical consulting services refund receivable		-		46
Prepaid clinical research organizations		-		46
Total	$	606	$	827

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.

Property and equipment, net (in thousands)

	March 31, 2018		December 31  2017
Computers and office equipment	$	851	$	851
Leasehold improvements		439		439
Software		11		11
		1,301		1,301
Less: accumulated depreciation and amortization		(500)		(429)
Total	$	801	$	872

Accrued expenses (in thousands)

	March 31, 2018		December 31, 2017
Accrued clinical consulting services	$	621	$	658
Accrued vendor payments		376		193
Accrued manufacturing costs		55		661
Other accrued expenses		6		14
Total	$	1,058	$	1,526

Accrued employee benefits (in thousands)

	March 31, 2018		December 31, 2017
Accrued severance	$	412	$	590
Accrued bonus expense		336		1,283
Accrued vacation expense		268		201
Total	$	1,016	$	2,074