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Deferred Revenue - Schedule of Deferred Revenue (Details) - USD ($)
6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Dec. 31, 2018
Revenue Recognition and Deferred Revenue [Abstract]      
Balance, beginning of period $ 1,073,014 $ 1,302,717  
Additions 932,397 5,795,660  
Amortization (1,556,273) (5,204,086)  
Balance, ending of period 449,138 1,894,291  
Deferred revenue - short-term 333,732 1,726,718 $ 938,050
Deferred revenue - long-term $ 115,406 $ 167,573 $ 134,964