Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Balance Sheets (Parenthetical)

v3.21.2
Condensed Consolidated Balance Sheets (Parenthetical) - USD ($)
Jun. 30, 2021
Dec. 31, 2020
Condensed Consolidated Balance Sheets [Abstract]    
Accounts receivable, allowance for doubtful accounts $ 29,986 $ 33,848
Common stock, par value $ 0.001 $ 0.001
Common stock, shares authorized 100,000,000 100,000,000
Common stock, shares issued 55,410,695 55,410,695
Common stock, shares outstanding 55,410,695 55,410,695