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Accrued Liabilities
6 Months Ended
Jun. 30, 2019
Accrued Liabilities [Abstract]  
Accrued Liabilities
Accrued Liabilities

Accrued liabilities as of June 30, 2019 and December 31, 2018 were as follows (in thousands):
 
June 30, 2019
 
December 31, 2018
Salaries, employee benefits and related taxes
$
1,293

 
$
1,758

Operating lease liabilities - current
382

 

CIRM upfront funding - current
2,743

 
2,583

Other
735

 
516

Total
$
5,153

 
$
4,857