Debt and Financing (Schedule of Long-Term Debt Activity) (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2015	Sep. 30, 2014
Related Party Transaction [Line Items]
Proceeds from note payable to CT Energy			$ 2,000
Accretion of discount on debt		$ 116
Ending balance	$ 106	$ 106
CT Energy [Member]
Related Party Transaction [Line Items]
Beginning balance
Proceeds from 9.0% Convertible and 15% Notes to CT Energy		$ 32,200
Proceeds from note payable to CT Energy		1,300
Repayment of note payable of CT Energy		(1,300)
Value assigned to embedded derivatives		(32,200)
Conversion of 9.0% Note, net of unamortized discount		(10)
Accretion of discount on debt	0	116
Ending balance	$ 106	$ 106