Quarterly report pursuant to Section 13 or 15(d)

Revenue - Schedule of Contract Balances (Details)

v3.19.3
Revenue - Schedule of Contract Balances (Details) - USD ($)
9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Revenue:    
Accounts Receivable, net, Beginning $ 1,063,500  
Accounts Receivable, net, Ending 466,500  
Accounts Receivable, net, Decrease (597,000) $ 569,000
Revenue Contract Liabilities, Beginning 470,200  
Revenue Contract Liabilities, Ending 219,400  
Revenue Contract Liabilities, Decrease (250,800)  
Deferred Revenue (current), Beginning 191,500  
Deferred Revenue (current), Ending 33,000  
Deferred Revenue (current), Decrease (158,600)  
Deferred Revenue (non-current), Beginning 63,200  
Deferred Revenue (non-current), Ending 38,400  
Deferred Revenue (non-current), Decrease $ (24,800)