Accrued Liabilities (Tables)

12 Months Ended

Dec. 31, 2018

Accrued Liabilities

Schedule of accrued liabilities

Accrued liabilities consist of the following (in thousands):

	As of December 31,
	2018		2017
Accrued compensation and other payroll liabilities	$	137	$	306
Legal costs		106		91
Accrued interest		43		38
Other research and development expenses		135		522
Other general and administrative expenses		17		53
Total	$	438	$	1,010