Schedule of Accrued Liabilities (Detail) - USD ($)	Jun. 30, 2015	Dec. 31, 2014
Schedule of Accrued Liabilities [Line Items]
Employee compensation	$ 3,040,719	$ 3,758,511
Taxes	900,799	571,080
Royalty and license fees	1,670,804
Current portion of contingent consideration	4,323,556	1,135,061
Professional fees	211,288	511,588
Unearned revenue	611,408	129,904
Other accrued expenses	763,743	712,919
Total	$ 11,522,317	$ 6,819,063