Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-In Capital [Member]	RetainedEarnings [Member]	Treasury Stock [Member]	Total
Balance at beginning at Dec. 31, 2013	$ 21	$ 55,642	$ 104,607	$ (49,576)	$ 110,694
Balance at beginning (in shares) at Dec. 31, 2013	20,988,952			(3,034,920)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss			14,972		14,972
Exercise of stock options, net		(116)		$ 297	181
Exercise of stock options, net (in shares)				18,500
Excess tax benefit (deficiency)		(10)			(10)
Repurchase of treasury shares				$ (6,980)	(6,980)
Repurchase of treasury shares (in shares)				(555,008)
Amortization of unearned stock compensation		868			868
Impact of forfeited restricted stock awards		114		$ (186)	(72)
Impact of forfeited restricted stock awards (in shares)				(11,666)
Issuance of restricted stock awards		(172)		$ 172
Issuance of restricted stock awards (in shares)				10,709
Impact of surrendered equity awards to satisfy taxes		(1,455)		$ 1,455
Impact of surrendered equity awards to satisfy taxes (in shares)				91,448
Dividends on common stock			(8,346)		(8,346)
Balance at end at Dec. 31, 2014	$ 21	54,871	111,233	$ (54,818)	111,307
Balance at end (in shares) at Dec. 31, 2014	20,988,952			(3,480,937)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss			2,044		2,044
Exercise of stock options, net		(48)		$ 59	11
Exercise of stock options, net (in shares)				4,125
Excess tax benefit (deficiency)		(40)			(40)
Repurchase of treasury shares				$ (6,858)	(6,858)
Repurchase of treasury shares (in shares)				(865,922)
Amortization of unearned stock compensation		886			886
Impact of forfeited restricted stock awards		664		$ (784)	(120)
Impact of forfeited restricted stock awards (in shares)				(52,128)
Impact of released vested restricted stock units		224		$ 224
Impact of released vested restricted stock units (in shares)				14,946
Issuance of restricted stock awards		(1,488)		$ 1,488
Issuance of restricted stock awards (in shares)				103,590
Dividends on common stock			(7,229)		(7,229)
Balance at end at Dec. 31, 2015	$ 21	54,621	106,048	$ (60,689)	100,001
Balance at end (in shares) at Dec. 31, 2015	20,988,952			(4,276,326)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss			(6,006)		(6,006)
Repurchase of treasury shares				$ (2,228)	(2,228)
Repurchase of treasury shares (in shares)				(376,860)
Amortization of unearned stock compensation		856			856
Impact of forfeited restricted stock awards		387		$ (387)
Impact of forfeited restricted stock awards (in shares)				(28,295)
Impact of released vested restricted stock units		(284)		$ 284
Impact of released vested restricted stock units (in shares)				20,416
Issuance of restricted stock awards		(1,756)		$ (1,756)
Issuance of restricted stock awards (in shares)				129,638
Dividends on common stock			(2,492)		(2,492)
Balance at end at Dec. 31, 2016	$ 21	$ 53,824	$ 97,550	$ (61,264)	$ 90,131
Balance at end (in shares) at Dec. 31, 2016	20,988,952			(4,531,427)