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Accrued Liabilities
 3 Months Ended
Mar. 31, 2014
Accrued Liabilities

Note 7. Accrued Liabilities

Accrued liabilities at March 31, 2014 and December 31, 2013 consisted of the following (in thousands):

 

     March 31,
2014		      December 31,
2013		  

Accrued compensation and related costs

    $ 1,899       $ 2,527   

Accrued inventory costs

      2,534         3,553   

Accrued professional services

      2,995         2,722   

Other accrued expenses

      1,410         1,011   
  

 

 

     

 

 

  

Total accrued liabilities

    $ 8,838       $ 9,813