Consolidated Statements of Stockholders' Equity - USD ($)	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Deficit [Member]	Accumulated Other Comprehensive Loss [Member]	Treasury Stock [Member]
Balance at Dec. 31, 2014	$ 16,997,278	$ 2,096	$ 30,334,175	$ (7,434,595)	$ (565,838)	$ (5,338,560)
Balance (in shares) at Dec. 31, 2014		2,096,150				264,853
Net loss	(1,224,667)	$ 0	0	(1,224,667)	0	$ 0
Other comprehensive income (loss):
Foreign currency translation adjustment	(68,435)	0	0	0	(68,435)	0
Total comprehensive loss	(1,293,102)
Common stock issued (Note 13)	117,000	$ 14	116,986	0	0	$ 0
Common stock issued (Note 13) (in shares)		14,286				0
Stock-based compensation	63,064	$ 0	63,064	0	0	$ 0
Expired stock options & warrants; deferred tax effect	(1,745)	0	(1,745)	0	0	0
Balance at Dec. 31, 2015	15,882,495	$ 2,110	30,512,480	(8,659,262)	(634,273)	$ (5,338,560)
Balance (in shares) at Dec. 31, 2015		2,110,436				264,853
Net loss	(625,055)	$ 0	0	(625,055)	0	$ 0
Other comprehensive income (loss):
Foreign currency translation adjustment	(395,932)	0	0	0	(395,932)	0
Total comprehensive loss	(1,020,987)
Stock-based compensation	60,342	0	60,342	0	0	0
Expired stock options & warrants; deferred tax effect	(5,467)	0	(5,467)	0	0	0
Common stock repurchased and retired	(2,211)	$ 0	(2,211)	0	0	$ 0
Common stock repurchased and retired (in shares)		(423)				0
Balance at Dec. 31, 2016	$ 14,914,172	$ 2,110	$ 30,565,144	$ (9,284,317)	$ (1,030,205)	$ (5,338,560)
Balance (in shares) at Dec. 31, 2016		2,110,013				264,853