Consolidated Statements of Stockholders' Equity - 9 months ended Sep. 30, 2015 - USD ($) $ in Thousands	Common Stock	Additional Paid-In Capital	Treasury Stock	Retained Deficit	Total
Beginning Balance (in shares) at Dec. 31, 2014	43,500,032
Beginning Balance at Dec. 31, 2014	$ 435	$ 369,920	$ (12,635)	$ (15,067)	$ 342,653
Issuances of restricted stock		(3,779)	3,779
Amortization of share-based compensation		10,537			10,537
Purchase of treasury stock			(4,626)		(4,626)
Exercise of stock options		(4,922)	2,584		(2,338)
Net loss				(186,561)	(186,561)
Ending Balance (in shares) at Sep. 30, 2015	43,500,032
Ending Balance at Sep. 30, 2015	$ 435	$ 371,756	$ (10,898)	$ (201,628)	$ 159,665