CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (USD $) In Thousands, except Share data, unless otherwise specified	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Deficit [Member]	Common Stock Held in Trust [Member]	Treasury Stock [Member]	Total
BALANCE at Dec. 31, 2008	$ 1,284	$ 88,017	$ (24,222)	$ (3,614)	$ (1,000)	$ 60,465
BALANCE (in shares) at Dec. 31, 2008	8,563,087
Increase (Decrease) in Stockholders' Equity
Exercise of stock options	17	328				345
Exercise of stock options (in shares)	114,302
Traded shares for payment of taxes		(72)				(72)
Traded shares for payment of taxes (in shares)	(1,879)
Share-based compensation		5				5
Purchase of common stock for incentive plan				(410)		(410)
Tax benefit related to stock-based compensation plans		(200)				(200)
Net income			1,299			1,299
BALANCE at Dec. 31, 2009	1,301	88,078	(22,923)	(4,024)	(1,000)	61,432
BALANCE (in shares) at Dec. 31, 2009	8,675,510
Increase (Decrease) in Stockholders' Equity
Exercise of stock options	42	1,027				1,069
Exercise of stock options (in shares)	278,178
Issuance of nonvested share awards	10	(10)				0
Issuance of nonvested share awards (in shares)	69,200
Share-based compensation		12				12
Purchase of common stock for incentive plan				(774)		(774)
Tax benefit related to stock-based compensation plans		192				192
Tax benefit related to participating dividends		177				177
Issuance of common stock shares held in trust				45		45
Dividend declared		(11,051)				(11,051)
Net income			3,017			3,017
BALANCE at Dec. 31, 2010	1,353	78,425	(19,906)	(4,753)	(1,000)	54,119
BALANCE (in shares) at Dec. 31, 2010	9,022,888
Increase (Decrease) in Stockholders' Equity
Exercise of stock options	4	135				139
Exercise of stock options (in shares)	27,951
Traded shares for payment of taxes		(151)				(151)
Traded shares for payment of taxes (in shares)	(6,314)
Share-based compensation		283				283
Purchase of common stock for incentive plan				(1,705)		(1,705)
Tax benefit related to stock-based compensation plans		100				100
Issuance of common stock shares held in trust				391		391
Net income			4,452			4,452
BALANCE at Dec. 31, 2011	$ 1,357	$ 78,792	$ (15,454)	$ (6,067)	$ (1,000)	$ 57,628
BALANCE (in shares) at Dec. 31, 2011	9,044,525