Debt and Financing (Narrative) (Details) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015 USD ($) $ / shares	Sep. 30, 2014 USD ($)	Sep. 30, 2015 USD ($) item $ / shares shares	Sep. 30, 2014 USD ($)	Jun. 30, 2015 USD ($)	Dec. 31, 2014 $ / shares	Jun. 30, 2014 USD ($)	Dec. 31, 2013 USD ($)
Debt Instrument [Line Items]
Loss on issuance of securities			$ (20,402)
Accretion of discount on debt			$ 116
Threshold price | $ / shares			$ 2.50
Common stock, par value | $ / shares	$ 0.01		$ 0.01			$ 0.01
CT Energy [Member]
Debt Instrument [Line Items]
Proceeds from debt, net of financing fees			$ 30,600
Financing fees			1,600
Proceeds from issuance of note payable to related party			32,200
Accretion of discount on debt	$ 0		$ 116
Interest rate	15.00%		15.00%
Threshold price | $ / shares			$ 2.50
CT Energy [Member] | 15% Senior Secured Non-Convertible Note [Member]
Debt Instrument [Line Items]
Proceeds from issuance of note payable to related party			$ 25,200
Unamortized discount	$ 25,100		$ 25,100
Debt term			5 years
Interest rate	15.00%		15.00%
Senior secured non-convertible note	$ 25,200		$ 25,200
Commencement date of quarterly interest payment			Oct. 01, 2015
Threshold price | $ / shares			$ 2.50
Addition default interest rate			2.00%
Make whole price, as percentage of principal			100.00%
Debt covenant, period after date of determination for measurement			2 years
Variable spread on reference rate			0.50%
Holders of principal needed to declare debt immediatele due, percent			25.00%
Period of volatility calculation			6 years
CT Energy [Member] | 15% Senior Secured Non-Convertible Note [Member] | Trigger Price Not Met [Member]
Debt Instrument [Line Items]
Interest rate	8.00%		8.00%
Debt extension term			2 years
CT Energy [Member] | 15% Non-Convertible Senior Secured Additional Draw Note [Member]
Debt Instrument [Line Items]
Debt term			5 years
Interest rate	15.00%		15.00%
Commencement date of quarterly interest payment			Oct. 01, 2016
Threshold price | $ / shares			$ 2.50
Addition default interest rate			2.00%
Holders of principal needed to declare debt immediatele due, percent			25.00%
Potential additional periodic borrowing availability			$ 2,000
Period additional draw may be utilized			6 months
Period after transaction additional funds become available			1 year
Potential additional borrowing availability			$ 12,000
CT Energy [Member] | 15% Non-Convertible Senior Secured Additional Draw Note [Member] | Trigger Price Not Met [Member]
Debt Instrument [Line Items]
Interest rate	8.00%		8.00%
Debt extension term			2 years
CT Energy [Member] | 9% Convertible Senior Secured Note [Member]
Debt Instrument [Line Items]
Debt term			5 years
Interest rate	9.00%		9.00%
Commencement date of quarterly interest payment			Oct. 01, 2015
Threshold price | $ / shares			$ 2.50
Senior secured convertible note	$ 7,000		$ 7,000
Common stock issuable upon conversion from note | item			8,506,098
Conversion price | $ / shares	$ 0.82		$ 0.82
Common stock converted from note | shares			8,667,597
Percent of dilution related to stock issuance			10.00%
Expected remaining life of the longest instrument in the common stock transaction			7 years
CT Energy [Member] | 9% Convertible Senior Secured Note [Member] | Trigger Price Not Met [Member]
Debt Instrument [Line Items]
Interest rate	8.00%		8.00%
Debt extension term			2 years
Embedded Derivative [Member]
Debt Instrument [Line Items]
Fair value of embedded derivative assets at issuance			$ 2,504
Fair value of embedded derivative liabilities at issuance			13,449
Fair value of embedded derivative assets	$ 3,481		3,481		$ 2,627
Derivative income related to embedded derivative assets	854		977
Derivative income related to embedded derivative liabilities	$ 1,873		$ 2,307
Fair value of embedded derivative liabilities					13,015
Fair value of embedded derivative liabilities prior to conversion	$ 11,142		$ 11,142
Warrants [Member]
Debt Instrument [Line Items]
Fair value of embedded derivative liabilities at issuance			40,013
Derivative income related to embedded derivative liabilities	9,982		12,400
Fair value of embedded derivative liabilities	$ 27,613	$ 1,953	$ 27,613	$ 1,953	$ 37,595		$ 1,953	$ 1,953