Quarterly report pursuant to Section 13 or 15(d)

Goodwill and Other Intangible Assets, Net - Summary of Changes in Carrying Amount of Goodwill (Details)

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Goodwill and Other Intangible Assets, Net - Summary of Changes in Carrying Amount of Goodwill (Details) - USD ($)
6 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Goodwill and Intangible Assets Disclosure [Abstract]    
Beginning Balance $ 12,702,139 $ 15,617,308
Acquisitions 70,604 663,037
Adjustments 62,192
Foreign currency translation (loss) gain (265,645) (468,085)
Ending Balance $ 12,569,290 $ 15,812,260