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Income Taxes (Details 2) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Income Tax Expense (Benefit), Continuing Operations, Income Tax Reconciliation [Abstract]
Amounts computed at statutory federal rate									$ (13,198)	$ (3,843)	$ (3,131)
State taxes net of federal benefit									(386)	(697)	(293)
Meals & entertainment									(16)	(9)	(10)
Imputed interest									161	(53)	(285)
Section 162(m) limitation									(197)	(490)	0
Contingent liabilities									(1,684)	(1,748)	(2,027)
Stock-based compensation									(140)	(89)	556
Expired NOLs									(232)	(88)	0
Research and development credits									(304)	113	4,581
Change in uncertain tax positions									(27,188)	(7)	(364)
Rate change for changes in state law									5,756	(119)	(901)
Increase in deferred tax assets from completion of 382 analysis									(3,329)	(43)	(786)
Avinza true up									2,107	0	0
Change in valuation allowance									231,370	7,243	3,509
Other									(605)	(580)	(1,223)
Income tax expense from continuing operations	$ 514	$ 191,881	$ (265)	$ (15)	$ (280)	$ (124)	$ 47	$ (53)	$ 192,115	$ (410)	$ (374)

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