Quarterly report pursuant to Section 13 or 15(d)

Accrued Expenses And Other Current Liabilities (Details)

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Accrued Expenses And Other Current Liabilities (Details) - USD ($)
Mar. 31, 2019
Dec. 31, 2018
Accrued Liabilities and Other Liabilities [Abstract]    
Sales returns and allowances $ 4,249,977 $ 3,972,510
Medicaid rebates 2,758,384 2,237,269
Minimum sales commitments, royalties payable, and purchase obligations 10,808,083 9,662,901
Compensation and benefits 1,679,572 1,953,065
Research and development expenses 1,123,051 278,132
Sales and marketing 938,437 1,112,378
General and administrative 187,465 235,721
Other 70,128 279,397
Total accrued expenses and other current liabilities $ 21,815,097 $ 19,731,373