Income Taxes (Details) - USD ($)	3 Months Ended	12 Months Ended
	Jun. 30, 2014	Dec. 31, 2015	Dec. 31, 2014
Income Taxes
Net operating loss carryforwards		$ 384,300,000
Income tax benefits		0
Interest and/or penalties related to income tax matters		0
Uncertain tax positions		0	$ 0
Income Tax Credits and Adjustments		$ 0
Tax credit awards reported as other income	$ 83,000		$ 83,000