Statements Of Shareholders' Equity (USD $) In Thousands, except Share data	Common Stock [Member]	Additional Paid-In Capital [Member]	Retained Earnings [Member]	Total
Balance at Dec. 31, 2008	$ 6	$ 32,366	$ 10,610	$ 42,982
Balance, shares at Dec. 31, 2008	6,495,978
Common stock cancelled
Common stock cancelled, shares	(10,000)
Compensation expense on stock options and restricted stock		659		659
Net loss			(3,776)	(3,776)
Balance at Dec. 31, 2009	6	33,025	6,834	39,865
Balance, shares at Dec. 31, 2009	6,485,978
Common stock cancelled
Common stock cancelled, shares	(3,000)
Exercise of stock options		3		3
Exercise of stock options, shares	2,700
Compensation expense on stock options and restricted stock		636		636
Net loss			(1,560)	(1,560)
Balance at Dec. 31, 2010	6	33,664	5,274	38,944
Balance, shares at Dec. 31, 2010	6,485,678
Restricted stock issued	1			1
Restricted stock issued, shares	17,000
Exercise of stock options		1		1
Exercise of stock options, shares	450
Compensation expense on stock options and restricted stock		633		633
Net loss			(1,577)	(1,577)
Balance at Dec. 31, 2011	$ 7	$ 34,298	$ 3,697	$ 38,002
Balance, shares at Dec. 31, 2011	6,503,128