Consolidated Balance Sheets (Parentheticals) - USD ($)	Mar. 31, 2021	Dec. 31, 2020
Statement of Financial Position [Abstract]
Trade accounts receivable, less allowance for doubtful accounts (in Dollars)	$ 18,013,339	$ 18,150,493
Other receivables, less allowance for doubtful accounts (in Dollars)	$ 27,978	$ 22,320
Preferred stock par value (in Dollars per share)	$ 0.001	$ 0.001
Preferred stock, shares authorized	5,000,000	5,000,000
Preferred stock, shares issued
Preferred stock, shares outstanding
Common stock par value (in Dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized	95,000,000	95,000,000
Common stock, shares issued	45,579,557	45,579,557
Common stock, shares outstanding	43,579,557	43,579,557