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Schedule of Accrued Liabilities (Detail) - USD ($)
$ in Thousands
Sep. 30, 2015
Dec. 31, 2014
Schedule of Accrued Liabilities [Line Items]    
Employee compensation $ 3,767 $ 3,759
Taxes 1,589 571
Royalty and license fees 948  
Current portion of contingent consideration 4,454 1,135
Professional fees 394 511
Unearned revenue 524 130
Other accrued expenses 1,082 713
Total $ 12,758 $ 6,819