CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (USD $) In Thousands, except Share data	Total	Common Stock	Additional Paid-In Capital	Comprehensive Income	Accumulated Other Comprehensive Income	Retained Earnings	Treasury Stock
Balance at Dec. 31, 2009	$ 93,498	$ 183	$ 61,459			$ 34,446	$ (2,590)
Balance (in shares) at Dec. 31, 2009		18,305,614
Increase (Decrease) in Stockholders' Equity
Net income	4,113			4,113		4,113
Comprehensive income				4,113
Dividend paid	(6,543)					(6,543)
Stock-based compensation	595		595
Issuance of restricted common stock from treasury shares			(611)				611
Balance at Jun. 30, 2010	91,663	183	61,443			32,016	(1,979)
Balance (in shares) at Jun. 30, 2010		18,305,614
Balance at Dec. 31, 2010	94,712	183	61,892		676	33,940	(1,979)
Balance (in shares) at Dec. 31, 2010		18,310,614
Increase (Decrease) in Stockholders' Equity
Net income	7,945			7,945		7,945
Foreign currency translation	803			803	803
Comprehensive income				8,748
Dividend paid	(6,552)					(6,552)
Stock-based compensation	413		413
Issuance of restricted common stock from treasury shares			(424)				424
Balance at Jun. 30, 2011	$ 97,321	$ 183	$ 61,881		$ 1,479	$ 35,333	$ (1,555)
Balance (in shares) at Jun. 30, 2011		18,310,614