Basis of Presentation (Details Textual) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Mar. 31, 2016	Dec. 31, 2015	Feb. 07, 2012
Basis Of Presentation [Line Items]
Debt Issuance Costs	$ 3.7	$ 4.5
Twelve Point Five Percentage Senior Secured Notes Due Two Thousand Seventeen
Basis Of Presentation [Line Items]
Interest rate on Senior secured notes due 2017	12.50%		12.50%
Senior secured notes, maturity date	Apr. 15, 2017