CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($)	Mar. 31, 2021	Dec. 31, 2020
Statement of Financial Position [Abstract]
Allowance for doubtful accounts receivable	$ 111,054	$ 114,169
Preferred stock, par value	$ .001	$ .001
Preferred stock, shares authorized	10,000,000	10,000,000
Preferred stock, shares issued	2,045,714	2,045,714
Preferred stock, shares outstanding	0	0
Common stock, par value	$ 0.001	$ 0.001
Common stock, shares authorized	30,000,000	30,000,000
Common stock, shares issued	9,071,352	8,876,515
Common stock, shares outstanding	9,071,352	8,876,515