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Summary of Accrued Liabilities (Details) - USD ($)
Sep. 30, 2016
Dec. 31, 2015
Payables And Accruals [Abstract]    
Employee compensation and benefits $ 756,501 $ 1,240,314
Employee compensation for future absences 160,183 154,107
Interest 93,413 77,917
Professional fees 63,480 140,385
Other 218,708 302,545
Total accrued liabilities $ 1,292,285 $ 1,915,268