Summary of Significant Accounting Policies (Details 5) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013
Fair Value, Liabilities Measured on Recurring Basis [Line Items]
Derivative Financial Instruments - Warrants	$ 2us-gaap_WarrantsAndRightsOutstanding	$ 620us-gaap_WarrantsAndRightsOutstanding
Derivative Financial Instruments - Series D & C preferred stock	6	296
Debentures Payable Carried at fair value	37,384us-gaap_UnsecuredDebtCurrent	38,250us-gaap_UnsecuredDebtCurrent
Derivative liability - warrants, Total Gain (Losses)	618	3,067
Derivative liability - Series C & D preferred stock and Debentures, Total Gain (Losses)	289	1,841
Gain from change in fair value of hybrid financial instruments	(4,173)	21,809
Gain on extinguishment of debt	4,247	53
Fair Value, Measurements, Recurring [Member]
Fair Value, Liabilities Measured on Recurring Basis [Line Items]
Derivative Financial Instruments - Warrants	2	620
Derivative Financial Instruments - Series D & C preferred stock	6	296
Debentures Payable Carried at fair value	37,384	38,250
Total	37,392	39,166
Derivative liability - warrants, Total Gain (Losses)	618	3,067
Derivative liability - Series C & D preferred stock and Debentures, Total Gain (Losses)	289	1,841
Debentures Payable Carried at fair value, Total Gain (Losses)	(4,173)	21,809
Total Gain (Losses)	(3,266)	26,717
Beginning Value	39,166
Ending Value	37,392	39,166
Fair Value, Inputs, Level 1 [Member] \| Fair Value, Measurements, Recurring [Member]
Fair Value, Liabilities Measured on Recurring Basis [Line Items]
Derivative Financial Instruments - Warrants	0	0
Derivative Financial Instruments - Series D & C preferred stock	0	0
Debentures Payable Carried at fair value	0	0
Total	0	0
Ending Value	0	0
Fair Value, Inputs, Level 2 [Member] \| Fair Value, Measurements, Recurring [Member]
Fair Value, Liabilities Measured on Recurring Basis [Line Items]
Derivative Financial Instruments - Warrants	0	0
Derivative Financial Instruments - Series D & C preferred stock	0	0
Debentures Payable Carried at fair value	0	0
Total	0	0
Ending Value	0	0
Fair Value, Inputs, Level 3 [Member]
Fair Value, Liabilities Measured on Recurring Basis [Line Items]
Derivative liability - warrants, Total Gain (Losses)	618
Derivative liability - Series C & D preferred stock and Debentures, Total Gain (Losses)	289
Gain from change in fair value of hybrid financial instruments	(4,173)
Gain on extinguishment of debt	4,247
Fair Value, Inputs, Level 3 [Member] \| Fair Value, Measurements, Recurring [Member]
Fair Value, Liabilities Measured on Recurring Basis [Line Items]
Derivative Financial Instruments - Warrants	2	620
Derivative Financial Instruments - Series D & C preferred stock	6	296
Debentures Payable Carried at fair value	37,384	38,250
Total	37,392	39,166
Derivative liability - warrants, Total Gain (Losses)	618	3,067
Derivative liability - Series C & D preferred stock and Debentures, Total Gain (Losses)	289	1,841
Beginning Value	39,166	70,126
Gain from change in fair value of hybrid financial instruments	(4,173)	21,809
Gain on extinguishment of debt	4,247
Conversion of debentures to common stock	793	4,243
Ending Value	$ 37,392	$ 39,166

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The value of the financial instrument(s) that the original debt is being converted into in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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Fair value, before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.

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Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

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Fair value as of the balance sheet date of the embedded derivative or group of embedded derivatives classified as a liability.

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Net Increase or Decrease in the fair value of the embedded derivative or group of embedded derivatives included in earnings in the period.

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Amount represents the difference between the cash acquisition price of the debt and the net carrying amount of the debt at the time of its extinguishment (or deconsolidation of in-substance real estate when an entity defaults on its debt obligations).

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Carrying value as of the balance sheet date of the portion of long-term, uncollateralized debt obligations due within one year or the normal operating cycle, if longer.

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Value of outstanding derivative securities that permit the holder the right to purchase securities (usually equity) from the issuer at a specified price.

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