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Condensed 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, 2017	$ 127	$ 90,347	$ (12,555)	$ (7,567)	$ 161,380	$ 231,732
Balance (Shares) at Dec. 31, 2017	12,731,678		(336,982)
Net loss					(8,740)	(8,740)
Other comprehensive income				72		72
Restricted stock awards		(3,105)	$ 3,105
Restricted stock awards, shares			84,182
Employee stock settlement			$ (118)			(118)
Employee stock settlement, shares			(7,089)
Forfeiture of restricted stock awards		117	$ (117)
Forfeiture of restricted stock awards, shares			(7,991)
Stock-based compensation recognized		1,751				1,751
Balance at Jun. 30, 2018	$ 127	89,110	$ (9,685)	(7,495)	152,640	224,697
Balance (Shares) at Jun. 30, 2018	12,731,678		(267,880)
Balance at Mar. 31, 2018	$ 127	88,908	$ (10,398)	(7,531)	154,976	226,082
Balance (Shares) at Mar. 31, 2018	12,731,678		(287,605)
Net loss					(2,336)	(2,336)
Other comprehensive income				36		36
Restricted stock awards		(713)	$ 713
Restricted stock awards, shares			19,725
Employee stock settlement
Forfeiture of restricted stock awards
Stock-based compensation recognized		915				915
Balance at Jun. 30, 2018	$ 127	89,110	$ (9,685)	(7,495)	152,640	224,697
Balance (Shares) at Jun. 30, 2018	12,731,678		(267,880)
Cumulative effect of adoption of ASC 842					208	208
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)
Net loss					(29,919)	(29,919)
Other comprehensive income				87		87
Restricted stock awards		(7,806)	$ 7,806
Restricted stock awards, shares			233,463
Employee stock settlement			$ (59)			(59)
Employee stock settlement, shares			(7,404)
Forfeiture of restricted stock awards		374	$ (374)
Forfeiture of restricted stock awards, shares			(56,980)
Stock-based compensation recognized		274				274
Balance at Jun. 30, 2019	$ 127	83,435	$ (2,348)	(8,101)	91,088	164,201
Balance (Shares) at Jun. 30, 2019	12,731,678		(102,951)
Cumulative effect of adoption of ASC 842
Balance at Mar. 31, 2019	$ 127	86,074	$ (4,572)	(8,145)	106,975	180,459
Balance (Shares) at Mar. 31, 2019	12,731,678		(135,286)
Net loss					(15,887)	(15,887)
Other comprehensive income				44		44
Restricted stock awards		(2,579)	$ 2,579
Restricted stock awards, shares			86,515
Employee stock settlement
Forfeiture of restricted stock awards		355	$ (355)
Forfeiture of restricted stock awards, shares			(54,180)
Stock-based compensation recognized		415				415
Balance at Jun. 30, 2019	$ 127	$ 83,435	$ (2,348)	$ (8,101)	$ 91,088	$ 164,201
Balance (Shares) at Jun. 30, 2019	12,731,678		(102,951)

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