Consolidated Statements of Stockholders' Equity - USD ($)	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Treasury Stock [Member]	Total
Balance (in shares) at Dec. 31, 2016	2,110,013				264,853
Balance at Dec. 31, 2016	$ 2,110	$ 30,565,144	$ (9,284,317)	$ (1,030,205)	$ (5,338,560)	$ 14,914,172
Net loss			(696,912)			(696,912)
Foreign currency translation adjustment				113,551		113,551
Income tax effects of Tax Cuts & Jobs Act			(59,000)	59,000
Total comprehensive loss						(583,361)
Stock-based compensation		33,776				33,776
Balance (in shares) at Dec. 31, 2017	2,110,013				264,853
Balance at Dec. 31, 2017	$ 2,110	30,598,920	(10,040,229)	(857,654)	$ (5,338,560)	14,364,587
Net loss			(1,903,341)			(1,903,341)
Foreign currency translation adjustment				(124,441)		(124,441)
Total comprehensive loss						(2,027,782)
Stock-based compensation		23,627				23,627
Adoption of Accounting Standards Update 2014-09			(367,568)			(367,568)
Balance (in shares) at Dec. 31, 2018	2,110,013				264,853
Balance at Dec. 31, 2018	$ 2,110	$ 30,622,547	$ (12,311,138)	$ (982,095)	$ (5,338,560)	$ 11,992,864