Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies (Details Textual)

v3.6.0.2
Summary of Significant Accounting Policies (Details Textual) - USD ($)
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Summary of Significant Accounting Policies [Line Items]        
Depreciation, Depletion and Amortization, Total $ 157,000 $ 72,000 $ 20,000  
Goodwill, Impairment Loss 0 0 0  
Cash and Cash Equivalents, at Carrying Value $ 19,055,000 20,818,000 $ 17,525,000 $ 14,625,000
Equity Method Investment, Ownership Percentage 88.50%      
Noncontrolling Interest, Ownership Percentage by Parent 11.50%      
Accrued Liabilities $ 1,100,000 2,200,000    
Prepaid Expense $ 1,700,000 $ 8,300,000    
Warrant [Member]        
Summary of Significant Accounting Policies [Line Items]        
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 57,341,642 7,908,899 7,974,794  
Options [Member]        
Summary of Significant Accounting Policies [Line Items]        
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 11,636,227 8,941,930 5,981,106  
Money Market Accounts [Member]        
Summary of Significant Accounting Policies [Line Items]        
Cash and Cash Equivalents, at Carrying Value $ 1,700,000 $ 5,300,000