Accrued Liabilities (Tables)

12 Months Ended

Dec. 31, 2018

Accrued Liabilities [Abstract]

Schedule of Accrued Liabilities

Accrued liabilities were as follow (in thousands):

	December 31,
	2018		2017
Salaries, employee benefits and related taxes	$	1,758	$	1,389
Retention payments	—		2,233
CIRM upfront funding - current	2,583		2,446
Other	516		1,743
	$	4,857	$	7,811