CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Common Stock	Unamortized Cost of Equity Awards	Retained Earnings	Foreign Currency Translation Adjustments	Accumulated income (loss) on derivatives	Pension Adjustments	Total
Balances at Dec. 31, 2013	$ 27,035	$ (3,264)	$ 23,608	$ 773	$ 41	$ (190)	$ 48,003
Balances (in shares) at Dec. 31, 2013	9,091,000
Increase (Decrease) in Stockholders' Equity
Stock transactions under employee benefit stock plans	$ 344						344
Stock transactions under employee benefit stock plans (in shares)	30,000
Issuance of restricted stock, net of forfeitures	$ 1,074	(1,601)					(527)
Issuance of restricted stock, net of forfeitures (in shares)	92,000
Stock compensation expense		1,541					1,541
Comprehensive income loss				(5,601)	(43)	(1,123)	(6,767)
Tax effect						460	460
Net income			13,860				13,860
Dividends to stockholders			(963)				(963)
Balances at Dec. 31, 2014	$ 28,453	(3,324)	36,505	(4,828)	(2)	(853)	55,951
Balances (in shares) at Dec. 31, 2014	9,213,000
Increase (Decrease) in Stockholders' Equity
Stock transactions under employee benefit stock plans	$ 1,014						1,014
Stock transactions under employee benefit stock plans (in shares)	37,000
Issuance of restricted stock, net of forfeitures	$ 2,064	(2,040)					24
Issuance of restricted stock, net of forfeitures (in shares)	76,000
Stock compensation expense	$ (7)	1,751					1,744
Shares withheld for payment of employee payroll taxes	$ (1,559)						(1,559)
Shares withheld for payment of employee payroll taxes (in shares)	(50,000)
Excess tax benefit from stock based compensation arrangements	$ 1,461						1,461
Comprehensive income loss				(4,334)	(25)	279	(4,080)
Tax effect						(114)	(114)
Net income			11,074				11,074
Dividends to stockholders	11		(929)				(918)
Balances at Dec. 31, 2015	$ 31,437	(3,613)	46,650	(9,162)	(27)	(688)	$ 64,597
Balances (in shares) at Dec. 31, 2015	9,276,000						9,276
Increase (Decrease) in Stockholders' Equity
Stock transactions under employee benefit stock plans	$ 839						$ 839
Stock transactions under employee benefit stock plans (in shares)	49,000
Issuance of restricted stock, net of forfeitures	$ 1,969	(1,968)					1
Issuance of restricted stock, net of forfeitures (in shares)	101,000
Stock compensation expense		1,893					1,893
Shares withheld for payment of employee payroll taxes	$ (1,054)						(1,054)
Shares withheld for payment of employee payroll taxes (in shares)	(52,000)
Comprehensive income loss				(1,989)	(3)	(212)	(2,204)
Tax effect						78	78
Net income			9,078				9,078
Dividends to stockholders			(942)				(942)
Balances at Dec. 31, 2016	$ 33,191	$ (3,688)	$ 54,786	$ (11,151)	$ (30)	$ (822)	$ 72,286
Balances (in shares) at Dec. 31, 2016	9,374,000						9,374