Quarterly report pursuant to Section 13 or 15(d)

Accounts Receivable (Details Textual)

v3.20.2
Accounts Receivable (Details Textual) - USD ($)
9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Accounts Receivable (Textual)    
Bad debt (recovery) expense $ 19,400 $ 0