Consolidated Statements of Shareholders' Equity and Comprehensive Income (USD $) In Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Treasury Stock [Member]	Total
Balance at Dec. 31, 2008	$ 8	$ 27,217	$ 33,677	$ (6)	$ (22,298)	$ 38,598
Purchase of treasury stock					(84)	(84)
Issuance of common shares for the exercise of stock options		18				18
Tax benefit from the exercise of options and vested restricted stock		17				17
Issuance of restricted shares, net of forfeitures
Non-cash stock compensation expense		619				619
Dividends declared			(4,263)			(4,263)
Comprehensive income Change in cumulative translation adjustment				775		775
Net Income			8,491			8,491
Total comprehensive income						9,266
Balance at Dec. 31, 2009	8	27,871	37,905	769	(22,382)	44,171
Purchase of treasury stock					(463)	(463)
Issuance of common shares for the exercise of stock options		274				274
Tax benefit from the exercise of options and vested restricted stock		46				46
Issuance of restricted shares, net of forfeitures
Non-cash stock compensation expense		779				779
Dividends declared			(5,061)			(5,061)
Comprehensive income Change in cumulative translation adjustment				339		339
Net Income			8,499			8,499
Total comprehensive income						8,838
Balance at Dec. 31, 2010	8	28,970	41,343	1,108	(22,845)	48,584
Purchase of treasury stock					(591)	(591)
Issuance of common shares for the exercise of stock options		940				940
Tax benefit from the exercise of options and vested restricted stock		407				407
Issuance of restricted shares, net of forfeitures
Non-cash stock compensation expense		763				763
Dividends declared			(5,912)			(5,912)
Comprehensive income Change in cumulative translation adjustment				(201)		(201)
Net Income			11,564			11,564
Total comprehensive income						11,363
Balance at Dec. 31, 2011	$ 8	$ 31,080	$ 46,995	$ 907	$ (23,436)	$ 55,554