Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical)

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Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) - USD ($)
Mar. 31, 2020
Dec. 31, 2019
Statement of Financial Position [Abstract]    
Accounts receivable, allowance for doubtful accounts $ 104,581 $ 88,071
Common stock, par value $ 0.001 $ 0.001
Common stock, shares authorized 100,000,000 100,000,000
Common stock, shares issued 51,615,469 51,380,969
Common stock, shares outstanding 51,615,469 51,380,969