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Accounts Payable and Accrued Expenses
 9 Months Ended
Sep. 30, 2014
Payables and Accruals [Abstract]  
Accounts Payable and Accrued Expenses
7. Accounts Payable and Accrued Expenses

 

     September 30,
2014		      December 31,
2013		  

Trade accounts payable, including due to subcontractors

    $ 21,773       $ 23,108   

Compensation and related benefits

      1,697         2,412   

Accrued interest

      164         399   

Current portion of earn-out liability

      2,364         1,812   

Accrued warranty

      1,162         1,107   

Other accrued expenses

      6,405         5,518   
  

 

 

     

 

 

  
   $ 33,565       $ 34,356