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Current Accrued Liabilities and Accrued Research and Development (Tables)
 12 Months Ended
Dec. 31, 2016
Disclosure Component Of Current Accrued Liabilities And Accrued Research And Development [Abstract]  
Component of Current Accrued Liabilities and Accrued Research and Development

Current accrued liabilities and accrued research and development consist of the following (in thousands):

 

 

December 31,

 

 

2016

 

 

2015

 

Payroll and related expenses

$

3,753

 

 

$

5,866

 

Legal expenses

 

275

 

 

 

202

 

Litigation settlements accrual (Note 7)

 

4,975

 

 

 

-

 

Third party research expenses

 

2,784

 

 

 

5,241

 

Third party development expenses

 

2,002

 

 

 

2,072

 

Return of unused development funding to AstraZeneca (Note 9)

 

-

 

 

 

7,345

 

Other accrued liabilities

 

2,451

 

 

 

1,972

 

Total

$

16,240

 

 

$

22,698