Annual report pursuant to Section 13 and 15(d)

Accounts Receivable (Details)

v3.21.2
Accounts Receivable (Details) - USD ($)
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Receivables [Abstract]      
Bad debt expense (recovery) $ 66,532 $ 30,366 $ 380,866