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Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid In Capital [Member]	Treasury Stock [Member]	Accumulated Other Comprehensive Loss [Member]	Retained Earnings [Member]	Total
Balance at Dec. 31, 2016	$ 127	$ 92,025	$ (14,583)	$ (8,163)	$ 187,508	$ 256,914
Balance (Shares) at Dec. 31, 2016	12,731,678		(351,746)
Net loss					(22,562)	(22,562)
Other comprehensive income (loss)				596		596
Restricted stock awards		(2,957)	$ 2,957
Restricted stock awards, shares			72,503
Employee stock settlement			$ (23)			(23)
Employee stock settlement, shares			(1,500)
Forfeiture of restricted stock awards		906	$ (906)
Forfeiture of restricted stock awards, shares			(56,239)
Stock-based compensation recognized		1,162				1,162
Cash dividends					(3,351)	(3,351)
Other		(1,004)				(1,004)
Balance at Dec. 31, 2017	$ 127	90,347	$ (12,555)	(7,567)	161,380	231,732
Balance (Shares) at Dec. 31, 2017	12,731,678		(336,982)
Cumulative effect of adoption of ASU 2016-09		215			(215)
Net loss					(40,581)	(40,581)
Other comprehensive income (loss)				(621)		(621)
Restricted stock awards		(3,141)	$ 3,141
Restricted stock awards, shares			85,182
Employee stock settlement			$ (118)			(118)
Employee stock settlement, shares			(7,089)
Forfeiture of restricted stock awards		189	$ (189)
Forfeiture of restricted stock awards, shares			(13,141)
Stock-based compensation recognized		3,198				3,198
Balance at Dec. 31, 2018	$ 127	$ 90,593	$ (9,721)	$ (8,188)	$ 120,799	$ 193,610
Balance (Shares) at Dec. 31, 2018	12,731,678		(272,030)

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The amount of adjustment to stockholders' equity associated with an employee's income tax withholding obligation as part of a net-share settlement of a share-based award.

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Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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Amount after tax of increase (decrease) to equity or (increase) decrease to net assets, resulting from the cumulative effect adjustment of a new accounting principle applied in the period of adoption.

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Amount of paid and unpaid cash dividends declared for classes of stock, for example, but not limited to, common and preferred.

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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