Annual report pursuant to Section 13 and 15(d)

Revenue - Schedule of Contract Balances (Details)

v3.21.1
Revenue - Schedule of Contract Balances (Details) - USD ($)
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Revenue:    
Accounts Receivable, net, Beginning $ 686,800  
Accounts Receivable, net, Ending 375,600 $ 686,800
Accounts Receivable, net, (Decrease) increase (311,200)  
Revenue Contract Assets, Beginning 242,500  
Revenue Contract Assets, Ending 6,800 242,500
Revenue Contract Assets, (Decrease) increase (235,700) (71,800)
Revenue Contract Liabilities, Beginning 327,100  
Revenue Contract Liabilities, Ending 323,900 327,100
Revenue Contract Liabilities, (Decrease) increase (3,200)  
Deferred Revenue (current), Beginning 32,900  
Deferred Revenue (current), Ending 30,200 32,900
Deferred Revenue (current), (Decrease) increase (2,700)  
Deferred Revenue (non-current), Beginning 30,200  
Deferred Revenue (non-current), Ending $ 30,200
Deferred Revenue (non-current), (Decrease) increase $ (30,200)