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CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($)
Mar. 31, 2022
Dec. 31, 2021
Statement of Financial Position [Abstract]    
Allowance for doubtful accounts $ 121,151 $ 202,904
Preferred stock, par or stated value per share (in dollars per share) $ 0.001 $ 0.001
Preferred stock, shares authorized (in shares) 500,000 500,000
Preferred stock, shares issued (in shares) 0 0
Preferred stock, shares outstanding (in shares) 0 0
Common stock, par or stated value per share (in dollars per share) $ 0.001 $ 0.001
Common stock shares authorized (in shares) 200,000,000  
Common stock shares issued (in shares) 119,807,202 118,747,447
Common stock shares outstanding (in shares) 119,807,202 118,747,447