CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($)	Dec. 31, 2021	Dec. 31, 2020
Statement Of Financial Position [Abstract]
Net of allowance, accounts receivable	$ 498,261	$ 787,766
Net of allowance, inventories	2,491,183	3,077,728
Net of allowance, long term receivable	$ 3,355,391	$ 2,615,834
Preferred Stock Par Value	$ 0.01	$ 0.01
Preferred Stock Shares Authorized	20,000,000	20,000,000
Preferred Stock Shares Issued	0	0
Preferred Stock Shares Outstanding	0	0
Common Stock Par Value	$ 0.01	$ 0.01
Common Stock Shares Authorized	100,000,000	100,000,000
Common Stock Shares Issued	72,895,793	73,124,458
Common Stock Shares Outstanding	72,895,793	73,124,458