CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - 6 months ended Jun. 30, 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	255,682			255,800
Exercise of stock options (Shares)		118,000
Options exercised on a cashless basis		$ 0				0
Options exercised on a cashless basis (Shares)		35,209
Restricted stock awards			240,480			240,480
Net income					6,949,675	6,949,675
Foreign currency translation adjustment				(125,048)		(125,048)
Ending Balance at Jun. 30, 2022	$ 3,000	$ 130,280	$ 9,809,539	$ (904,316)	$ 26,985,908	$ 36,024,411
Ending Balance (Shares) at Jun. 30, 2022	120,000	5,826,892