Condensed Consolidated Statements of Changes in Stockholders' Equity (Unaudited) (USD $) In Thousands, except Share data	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Retained Earnings [Member]	Total
Balance at Dec. 31, 2011	$ 1,032	$ 55,528	$ (27,430)	$ 85,191	$ 114,321
Balance (in Shares) at Dec. 31, 2011	10,322,000
Comprehensive Income (Loss)			(329)	(24,882)	(25,211)
Issuance of common stock through stock plan transactions	5	330			335
Issuance of common stock through stock plan transactions (in Shares)	46,000
Issuance of restricted stock	16	(16)
Issuance of restricted stock (in Shares)	164,000
Forfeiture of restricted stock	(1)	1
Forfeiture of restricted stock (in Shares)	(14,000)
Release of restricted stock	(2)	(161)			(163)
Release of restricted stock (in Shares)	(17,000)
Share-based compensation		522			522
Common stock subject to rescission rights		764			764
Tax (benefit) deficiency from stock plan transactions		(42)			(42)
Balance at Jun. 30, 2012	1,046	56,712	(27,745)	80,903	110,916
Balance (in Shares) at Jun. 30, 2012	10,459,000
Comprehensive Income (Loss)			(14)	(20,594)	(20,608)
Issuance of common stock through stock plan transactions	2	100			102
Issuance of common stock through stock plan transactions (in Shares)	18,000
Issuance of restricted stock	3	(3)
Issuance of restricted stock (in Shares)	35,000
Forfeiture of restricted stock (in Shares)	(9,000)
Release of restricted stock	(1)	(6)			(7)
Release of restricted stock (in Shares)	(2,000)
Share-based compensation		171			171
Common stock subject to rescission rights		(40)			(40)
Tax (benefit) deficiency from stock plan transactions		(8)			(8)
Balance at Sep. 30, 2012	1,050	56,926	(27,759)	60,309	90,526
Balance (in Shares) at Sep. 30, 2012	10,501,000
Balance at Dec. 31, 2012	1,052	57,192	(31,329)	60,956	87,871
Balance (in Shares) at Dec. 31, 2012	10,524,000				10,523,559
Comprehensive Income (Loss)			170	3,770	3,940
Issuance of common stock through stock plan transactions	4	252			256
Issuance of common stock through stock plan transactions (in Shares)	44,000
Issuance of restricted stock	1	(1)
Issuance of restricted stock (in Shares)	18,000
Forfeiture of restricted stock	(2)	2
Forfeiture of restricted stock (in Shares)	(26,000)
Release of restricted stock	(1)	(96)			(97)
Release of restricted stock (in Shares)	(15,000)
Share-based compensation		397			397
Common stock subject to rescission rights	(3)	238			235
Common stock subject to rescission rights (in Shares)	(30,000)
Tax (benefit) deficiency from stock plan transactions		(84)			(84)
Balance at Sep. 30, 2013	1,051	57,900	(31,159)	64,726	92,518
Balance (in Shares) at Sep. 30, 2013	10,515,000				10,514,861
Balance at Jun. 30, 2013	1,050	57,708	(31,171)	63,366	90,953
Balance (in Shares) at Jun. 30, 2013	10,504,000
Comprehensive Income (Loss)			12	1,360	1,372
Issuance of common stock through stock plan transactions	1	72			73
Issuance of common stock through stock plan transactions (in Shares)	14,000
Forfeiture of restricted stock (in Shares)	(1,000)
Release of restricted stock		(14)			(14)
Release of restricted stock (in Shares)	(2,000)
Share-based compensation		133			133
Tax (benefit) deficiency from stock plan transactions		1			1
Balance at Sep. 30, 2013	$ 1,051	$ 57,900	$ (31,159)	$ 64,726	$ 92,518
Balance (in Shares) at Sep. 30, 2013	10,515,000				10,514,861