Quarterly report pursuant to Section 13 or 15(d)

Accounts Receivable (Details Textual)

v3.19.2
Accounts Receivable (Details Textual) - USD ($)
6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Accounts Receivable (Textual)    
Bad debt (recovery) expense $ (1,277)