CONDENSED CONSOLIDATED BALANCE SHEETS (Parentheticals) - USD ($)	Mar. 31, 2021	Dec. 31, 2020
Statement of Financial Position [Abstract]
Accounts receivable, allowance for doubtful accounts (in Dollars)	$ 559,007	$ 585,257
Preferred stock, par value (in Dollars per share)	$ 0.001	$ 0.001
Preferred stock, shares authorized	10,000,000	10,000,000
Preferred stock; shares issued	0	0
Preferred stock; shares outstanding	0	0
Common stock: par value (in Dollars per share)	$ 0.001	$ 0.001
Common stock: shares authorized	250,000,000	250,000,000
Common stock: shares issued	20,240,882	20,240,882
Common stock: shares outstanding	20,240,882	20,240,882