Summary of Significant Accounting Policies (Details Textual) - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Summary of Significant Accounting Policies [Line Items]
Depreciation, Depletion and Amortization, Total	$ 72,000	$ 20,000	$ 43,000
Goodwill, Impairment Loss	0	0	121,000
Cash and Cash Equivalents, at Carrying Value	$ 20,818,000	17,525,000	$ 14,625,000	$ 9,954,000
Equity Method Investment, Ownership Percentage	88.50%
Noncontrolling Interest, Ownership Percentage by Parent	11.50%
Accrued Liabilities	$ 2,200,000	525,000
Prepaid Expense	$ 8,300,000	$ 0
Warrant [Member]
Summary of Significant Accounting Policies [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	7,908,899	7,974,794	1,632,501
Options [Member]
Summary of Significant Accounting Policies [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	8,941,930	5,981,106	3,909,580
Money Market Accounts [Member]
Summary of Significant Accounting Policies [Line Items]
Cash and Cash Equivalents, at Carrying Value	$ 5,300,000	$ 13,600,000