Stock Incentive Plan Compensation (Stock Option Valuation Assumptions) (Details) - $ / shares	12 Months Ended
Dec. 31, 2015	Dec. 31, 2014
Series B redeemable convertible preferred stock [Member]
Risk-free interest rate		0.36%
Volatility		91.00%
Fair Value Assumptions, Expected Term		1 year 3 months
Dividend yield	0.00%	0.00%
Exercise price	$ 7.00	$ 7.00
Common stock closing price	$ 3.98	$ 10.50
Common Stock Options [Member]
Risk-free interest rate		1.30%
Volatility	139.00%	160.90%
Fair Value Assumptions, Expected Term		4 years
Dividend yield	0.00%	0.00%
Minimum [Member] \| Series B redeemable convertible preferred stock [Member]
Risk-free interest rate	0.49%
Volatility	108.00%
Fair Value Assumptions, Expected Term	6 months
Minimum [Member] \| Common Stock Options [Member]
Risk-free interest rate	1.55%
Fair Value Assumptions, Expected Term	6 years
Maximum [Member] \| Series B redeemable convertible preferred stock [Member]
Risk-free interest rate	1.19%
Volatility	117.00%
Fair Value Assumptions, Expected Term	2 years 6 months
Maximum [Member] \| Common Stock Options [Member]
Risk-free interest rate	1.78%
Fair Value Assumptions, Expected Term	10 years

Agreed upon price for the exchange of the underlying asset.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (e)
-URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258

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Expected dividends to be paid to holders of the underlying shares or financial instruments (expressed as a percentage of the share or instrument's price).

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Period the instrument, asset or liability is expected to be outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Measure of dispersion, in percentage terms (for instance, the standard deviation or variance), for a given stock price.

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Risk-free interest rate assumption used in valuing an instrument.

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Price of a single share of a number of saleable stocks of a company.

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