CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common Stock [Member]	Additional Paid-In Capital [Member]	Treasury Stock [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]
Balance at Dec. 31, 2012	$ 200,954	$ 257	$ 90,839	$ (482)	$ 110,389	$ (49)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(58,485)				(58,485)
Other comprehensive income (loss)	(458)					(458)
Issuance of stock
Shares of restricted stock	0		(237)	237
401k plan contribution	901		707	194
Restricted stock compensation	1,615		1,615
Other	(383)	0	(232)	(151)
Balance at Dec. 31, 2013	144,144	257	92,692	(202)	51,904	(507)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(28,962)				(28,962)
Other comprehensive income (loss)	337					337
Issuance of stock
Shares of restricted stock	(249)	4	(38)	(215)
Stock Issued During Period, Value, Issued for Services	167		109	58
401k plan contribution	848	1	847	0
Restricted stock compensation	1,850		1,850
Balance at Dec. 31, 2014	118,135	262	95,460	(359)	22,942	(170)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(2,241)				(2,241)
Other comprehensive income (loss)	(41)					(41)
Issuance of stock
Shares of restricted stock	(325)	3	(178)	(150)
Stock Issued During Period, Value, Issued for Services	84		(7)	91
401k plan contribution	710	1	709	0
Restricted stock compensation	1,633		1,633	0
Other	1				1
Balance at Dec. 31, 2015	$ 117,956	$ 266	$ 97,617	$ (418)	$ 20,702	$ (211)