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Schedule of Accrued Liabilities (Detail) (USD $) | Jun. 30, 2014 | Dec. 31, 2013
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Schedule of Accrued Liabilities [Line Items] |  |
Employee compensation | $ 2,596,382 | $ 3,166,086
Taxes | 952,733 | 2,324,711
Contingent consideration (current portion) | 377,177 | 1,195,248
Professional fees | 183,876 | 385,478
Unearned revenue | 141,481 | 3,341
Royalty and license fees | 7,262 | 1,897,473
VAT liabilities |  | 7,591
Other accrued expenses | 660,768 | 599,784
Total | $ 4,919,679 | $ 9,579,712

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