Consolidated Statements of Shareholders' Equity (USD $)	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]
Balance at Dec. 31, 2008	$ 9,386,904	$ 21,915	$ 13,364,308	$ (4,104,241)	$ 104,922
Common stock at Dec. 31, 2008		21,915,004
Comprehensive income (loss)
Net earnings (loss)	(334,853)			(334,853)
Foreign currency translation adjustment	26,730				26,730
Total comprehensive income (loss)	(308,123)
Exercise of common stock options	1,455	7	1,448
Shares issued, execise of stock options		6,930
Share-based compensation	139,118		139,118
Balance at Dec. 31, 2009	9,219,354	21,922	13,504,874	(4,439,094)	131,652
Common stock at Dec. 31, 2009		21,921,934
Comprehensive income (loss)
Net earnings (loss)	557,746			557,746
Foreign currency translation adjustment	(2,876)				(2,876)
Total comprehensive income (loss)	554,870
Exercise of common stock options	44,919	307	44,612
Shares issued, execise of stock options		306,900
Share-based compensation	56,436		56,436
Balance at Dec. 31, 2010	9,875,579	22,229	13,605,922	(3,881,348)	128,776
Common stock at Dec. 31, 2010	22,228,834	22,228,834
Comprehensive income (loss)
Net earnings (loss)	(71,494)			(71,494)
Foreign currency translation adjustment	14,774				14,774
Total comprehensive income (loss)	(56,720)
Exercise of common stock options	0
Share-based compensation	44,492		44,492
Balance at Dec. 31, 2011	$ 9,863,351	$ 22,229	$ 13,650,414	$ (3,952,842)	$ 143,550
Common stock at Dec. 31, 2011	22,228,834	22,228,834