Consolidated Statement of Stockholders' Deficit (As Restated) - 3 months ended Mar. 31, 2017 - USD ($) $ in Thousands	Total	Common Stock [Member]	Additional Paid-In Capital [Member]	Accumulated Deficit [Member]	Accumulated Other Comprehensive Income [Member]
Balance (As Previously Reported) at Dec. 31, 2016	$ 280,260	$ 364	$ 596,067	$ (317,104)	$ 933
Balance (Restatement Adjustment, Deferred Tax Asset Valuation Allowance Adjustments)	(304,700)			(304,700)
Balance at Dec. 31, 2016	$ (24,440)	364	596,067	(621,804)	933
Shares, balance (As Previously Reported) at Dec. 31, 2016	36,391,129
Shares, balance at Dec. 31, 2016	36,391,129
Stockholders' Deficit [Roll Forward]
Net income | As Previously Reported	$ 1,888
Net income | Restatement Adjustment | Deferred Tax Asset Valuation Allowance Adjustments	2,620
Net income	4,508			4,508
Other comprehensive loss, net of tax	(17)				(17)
Share-based compensation	865		865
Share-based compensation issuances, net	$ (26)	1	(27)
Share-based compensation issuances, net, shares	73,089
Balance (As Previously Reported) at Mar. 31, 2017	$ 282,970
Balance (Restatement Adjustment, Deferred Tax Asset Valuation Allowance Adjustments)	(302,080)
Balance at Mar. 31, 2017	$ (19,110)	$ 365	$ 596,905	$ (617,296)	$ 916
Shares, balance at Mar. 31, 2017	36,464,218