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Prepaid Expenses and Other Current Assets (Details) - USD ($)
Dec. 31, 2016
Dec. 31, 2015
Prepaid Expenses and Other Current Assets [Abstract]    
Prepaid insurance $ 332,809 $ 376,906
Prepaid clinical trial expenses 1,093,441 283,430
Other prepaid expenses 410,201 143,127
Total prepaid expenses and other current assets $ 1,836,451 $ 803,463