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Debt - Long Term Debt (Detail) - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Debt Instrument [Line Items]    
Capital lease obligations $ 94 $ 202
Total debt 89,874 74,074
Less current portion (8,071) (3,607)
Long-term debt and capital lease obligations, less current portion 81,803 70,467
Revolving Credit Facility    
Debt Instrument [Line Items]    
Debt 8,000 3,500
Term Loan Facility    
Debt Instrument [Line Items]    
Debt 29,214 28,989
Convertible Notes Payable    
Debt Instrument [Line Items]    
Debt 19,229 17,947
Convertible Note Derivative Liability [Member]    
Debt Instrument [Line Items]    
Debt $ 33,337 $ 23,436