Condensed Consolidated Statements of Changes in Shareholders' Equity (Unaudited) - USD ($)	Common Stock [Member]	Deferred Compensation, Share-Based Payments [Member]	Additional Paid-in Capital [Member]	AOCI Attributable to Parent [Member]	Retained Earnings [Member]	Treasury Stock [Member]	Total
Balance (in shares) at Dec. 31, 2020	6,489,004					(33,840)
Balance at Dec. 31, 2020	$ 6,489	$ 2,005,500	$ 70,083,486	$ 570,761	$ (69,625,790)	$ (57,847)	$ 2,982,599
Foreign currency translation adjustments	0	0	0	40,512	0	0	40,512
Share-based compensation expense	$ 0	0	24,863	0	0	$ 0	24,863
Issuance of common stock for accrued bonus and compensation (in shares)	1,300,000					0
Issuance of common stock for accrued bonus and compensation	$ 1,300	(2,005,500)	2,242,950	0	0	$ 0	238,750
Net income (loss)	$ 0	0	0	0	(179,733)	$ 0	(179,733)
Balance (in shares) at Mar. 31, 2021	7,789,004					(33,840)
Balance at Mar. 31, 2021	$ 7,789	0	72,351,299	611,273	(69,805,523)	$ (57,847)	3,106,991
Balance (in shares) at Dec. 31, 2020	6,489,004					(33,840)
Balance at Dec. 31, 2020	$ 6,489	2,005,500	70,083,486	570,761	(69,625,790)	$ (57,847)	2,982,599
Foreign currency translation adjustments							86,538
Net income (loss)							(210,097)
Balance (in shares) at Jun. 30, 2021	7,807,103					(33,840)
Balance at Jun. 30, 2021	$ 7,807	0	72,495,482	657,299	(69,835,887)	$ (57,847)	3,266,854
Balance (in shares) at Mar. 31, 2021	7,789,004					(33,840)
Balance at Mar. 31, 2021	$ 7,789	0	72,351,299	611,273	(69,805,523)	$ (57,847)	3,106,991
Foreign currency translation adjustments	0	0	0	46,026	0	0	46,026
Share-based compensation expense	$ 0	0	104,201	0	0	$ 0	104,201
Issuance of common stock for accrued bonus and compensation (in shares)	18,099					0
Issuance of common stock for accrued bonus and compensation	$ 18	0	39,982	0	0	$ 0	40,000
Net income (loss)	$ 0	0	0	0	(30,364)	$ 0	(30,364)
Balance (in shares) at Jun. 30, 2021	7,807,103					(33,840)
Balance at Jun. 30, 2021	$ 7,807	$ 0	72,495,482	657,299	(69,835,887)	$ (57,847)	3,266,854
Balance (in shares) at Dec. 31, 2021	7,807,103					(33,840)
Balance at Dec. 31, 2021	$ 7,807		72,691,201	590,067	(70,322,550)	$ (57,847)	2,908,678
Foreign currency translation adjustments	0		0	38,300	0	0	38,300
Share-based compensation expense	0		18,096	0	0	0	18,096
Net income (loss)	$ 0		0	0	(60,454)	$ 0	(60,454)
Balance (in shares) at Mar. 31, 2022	7,807,103					(33,840)
Balance at Mar. 31, 2022	$ 7,807		72,709,297	628,367	(70,383,004)	$ (57,847)	2,904,620
Balance (in shares) at Dec. 31, 2021	7,807,103					(33,840)
Balance at Dec. 31, 2021	$ 7,807		72,691,201	590,067	(70,322,550)	$ (57,847)	2,908,678
Foreign currency translation adjustments							(54,988)
Net income (loss)							19,546
Balance (in shares) at Jun. 30, 2022	7,820,124					(33,840)
Balance at Jun. 30, 2022	$ 7,820		72,751,200	535,079	(70,303,004)	$ (57,847)	2,933,248
Balance (in shares) at Mar. 31, 2022	7,807,103					(33,840)
Balance at Mar. 31, 2022	$ 7,807		72,709,297	628,367	(70,383,004)	$ (57,847)	2,904,620
Foreign currency translation adjustments	0		0	(93,288)	0	0	(93,288)
Share-based compensation expense	$ 0		16,916	0	0	$ 0	16,916
Issuance of common stock for accrued bonus and compensation (in shares)	13,021					0
Issuance of common stock for accrued bonus and compensation	$ 13		24,987	0	0	$ 0	25,000
Net income (loss)	$ 0		0	0	80,000	$ 0	80,000
Balance (in shares) at Jun. 30, 2022	7,820,124					(33,840)
Balance at Jun. 30, 2022	$ 7,820		$ 72,751,200	$ 535,079	$ (70,303,004)	$ (57,847)	$ 2,933,248