CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - 3 months ended Mar. 31, 2022 - USD ($)	Preferred Stock A [Member]	Common Stock [Member]	Additional Paid - In Capital [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Retained Earnings [Member]	Total
Beginning Balance at Dec. 31, 2021	$ 3,000	$ 130,162	$ 9,230,847	$ (779,268)	$ 20,036,233	$ 28,620,974
Beginning Balance (Shares) at Dec. 31, 2021	120,000	5,673,683
Compensation cost recognized in connection with stock options			82,530			82,530
Exercise of stock options		$ 118,000	255,682			255,800
Exercise of stock options (Shares)		118
Restricted stock awards			120,240			120,240
Net income					4,222,755	4,222,755
Foreign currency translation adjustment				257,734		257,734
Ending Balance at Mar. 31, 2022	$ 3,000	$ 130,280	$ 9,689,299	$ (521,534)	$ 24,258,988	$ 33,560,033
Ending Balance (Shares) at Mar. 31, 2022	120,000	5,791,683