Selected Balance Sheet Information

6 Months Ended

Jun. 30, 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)

	June 30, 2018		December 31, 2017
Prepaid consulting, subscriptions and other expenses	$	230	$	290
Prepaid insurances		170		351
Prepaid conferences and travel		130		94
At the market subscription receivable		5		-
Clinical consulting services refund receivable		-		46
Prepaid clinical research organizations		-		46
Total	$	535	$	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)

	June 30, 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		(570	)		(429	)
Total	$	731		$	872

Accrued expenses (in thousands)

	June 30, 2018		December 31, 2017
Accrued clinical consulting services	$	625	$	658
Accrued vendor payments		221		193
Accrued manufacturing costs		143		661
Other accrued expenses		11		14
Total	$	1,000	$	1,526

Accrued employee benefits (in thousands)

	June 30, 2018		December 31, 2017
Accrued bonus expense	$	672	$	1,283
Accrued severance		395		590
Accrued vacation expense		295		201
Total	$	1,362	$	2,074