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Accrued Liabilities
3 Months Ended
Mar. 31, 2019
Accrued Liabilities [Abstract]  
Accrued Liabilities
Accrued Liabilities

Accrued liabilities as of March 31, 2019 and December 31, 2018 were as follows (in thousands):
 
March 31, 2019
 
December 31, 2018
Salaries, employee benefits and related taxes
$
908

 
$
1,758

Operating lease liabilities - current
396

 

CIRM upfront funding - current
2,583

 
2,583

Other
661

 
516

Total
$
4,548

 
$
4,857