CONSOLIDATED STATEMENT OF SHAREHOLDERS' EQUITY - 6 months ended Jun. 30, 2017 - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Accumulated Deficit	Treasury Stock	Comprehensive Income (Loss)	Noncontrolling interest
Balance at Dec. 31, 2016	$ 231,435	$ 140	$ 1,018,010	$ (722,630)	$ (64,085)		$ 0
Balance (in shares) at Dec. 31, 2016		13,955,000			2,164,000
Increase (Decrease) in Stockholders' Equity
Net income and comprehensive income	14,184			14,184		$ 14,184
Non-cash compensation	$ 5,130		5,130
Purchase of treasury stock (in shares)	0				0
Purchase of treasury stock	$ 0				$ 0
Issuance of common stock for stock options, restricted stock awards and restricted stock units, net of withholding taxes	1,217	$ 2	1,215
Issuance of common stock for stock options, restricted stock awards and restricted stock units, net of withholding taxes (in shares)		207,000
Cumulative effect adjustment due to ASU 2016-09	985		2,287	(1,302)
Issuance of 0.625% Convertible Senior Notes, net	60,418		60,418
Convertible note hedge	61,500		61,500
Sale of warrants	43,410		43,410
Noncontrolling interest	651						651
Balance at Jun. 30, 2017	$ 295,930	$ 142	$ 1,068,970	$ (709,748)	$ (64,085)		$ 651
Balance (in shares) at Jun. 30, 2017		14,162,000			2,164,000