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Related Party Transactions - Related Party Activity (Details)
9 Months Ended
Sep. 30, 2019
USD ($)
Restructuring Reserve [Roll Forward]  
Balance at December 31, 2018 $ 509,937
Charges (included in selling, general and administrative expenses) 30,764
Cash payments, net of sublease income (294,351)
Balance at March 31, 2019 $ 246,350