CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($)	Mar. 31, 2021	Dec. 31, 2020
Statement of Financial Position [Abstract]
Allowance for doubtful accounts	$ 191,667	$ 209,667
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)	150,000,000	100,000,000
Common stock shares issued (in shares)	118,518,445	98,035,829
Common stock shares outstanding (in shares)	118,518,445	98,035,829