Consolidated Statements Of Changes In Stockholders' Equity (USD $)	Common Stock [Member]	Additional Paid-In Capital [Member]	Retained Earnings [Member]	Total
Balance at Dec. 31, 2009	$ 40,217	$ 15,648,200	$ 11,613,585	$ 27,302,002
Balance, shares at Dec. 31, 2009	4,021,702
Exercise of stock options	281	114,651		114,932
Exercise of stock options, shares	28,101
Stock-based compensation		187,959		187,959
Net tax shortfall from exercise of stock options		(95,502)		(95,502)
Shares issued under Employee Stock Purchase Plan	39	28,591		28,630
Shares issued under Employee Stock Purchase Plan, shares	3,857
Net income (loss)			(992,206)	(992,206)
Balance at Dec. 31, 2010	40,537	15,883,899	10,621,379	26,545,815
Balance, shares at Dec. 31, 2010	4,053,660
Exercise of stock options	456	213,214		213,670
Exercise of stock options, shares	45,640
Stock-based compensation		233,541		233,541
Tax benefit from exercise of stock options		61,300		61,300
Shares issued under Employee Stock Purchase Plan	24	21,514		21,538
Shares issued under Employee Stock Purchase Plan, shares	2,401
Net income (loss)			397,667	397,667
Balance at Dec. 31, 2011	$ 41,017	$ 16,413,468	$ 11,019,046	$ 27,473,531
Balance, shares at Dec. 31, 2011	4,101,701