Commitments and Contingencies (Details) - USD ($) $ in Millions	Sep. 30, 2016	Dec. 31, 2015	Dec. 31, 2014	Dec. 24, 2014	Apr. 20, 2007
Financial Condition and Liquidity [Abstract]
Percentage of membership interest sold to investor				10.00%	39.999%
Cash consideration received on sale of membership interest			$ 3.0	$ 5.0	$ 6.0
Working capital	$ (5.6)	$ 1.1
Costa Brava [Member]
Legal Proceedings [Line Items]
Percentage of public preferred stock owned	12.70%
Wynnefield [Member]
Legal Proceedings [Line Items]
Percentage of public preferred stock owned	17.30%