Summary of Significant Accounting Policies (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Summary of Significant Accounting Policies [Abstract]
XERMELO Intangible Assets Finite Lived			$ 24,700
Amortization of Intangible Assets	$ 400		600
Deferred Income Tax Expense (Benefit)	$ 0	$ 0	$ (8,652)	$ 0