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Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

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Agreed upon price for the exchange of the underlying asset.

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Summary of Significant Accounting Policies (Details Textual) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Summary of Significant Accounting Policies [Line Items]
Depreciation	$ 20,000us-gaap_Depreciation	$ 43,000us-gaap_Depreciation	$ 63,000us-gaap_Depreciation
Goodwill, Impairment Loss	0us-gaap_GoodwillImpairmentLoss	121,000us-gaap_GoodwillImpairmentLoss	47,000us-gaap_GoodwillImpairmentLoss
Cash and Cash Equivalents, at Carrying Value	17,525,000	14,625,000	9,954,000	6,678,000
Equity Method Investment, Ownership Percentage	80.00%
Noncontrolling Interest, Ownership Percentage by Parent	20.00%
Warrant [Member]
Summary of Significant Accounting Policies [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	7,974,794	1,632,501	1,632,501
Fair Value Assumptions, Exercise Price	$ 1.46
Fair Value Assumptions, Expected Term	4 years 9 months 18 days
Fair Value Assumptions, Expected Volatility Rate	90.00%
Fair Value Assumptions, Risk Free Interest Rate	1.59%
Options [Member]
Summary of Significant Accounting Policies [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	5,981,106	3,909,580	4,453,746
Money Market Accounts and Mutual Funds [Member]
Summary of Significant Accounting Policies [Line Items]
Cash and Cash Equivalents, at Carrying Value	$ 13,600,000	$ 11,000,000