Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies (Details Textual)

v3.10.0.1
Summary of Significant Accounting Policies (Details Textual) - USD ($)
1 Months Ended 12 Months Ended
Dec. 22, 2017
Dec. 31, 2018
Dec. 31, 2017
Feb. 28, 2019
Sep. 05, 2018
Dec. 31, 2016
Aug. 29, 2015
Summary of Significant Accounting Policies [Line Items]              
Depreciation, Depletion and Amortization   $ 272,000 $ 245,000        
Cash and Cash Equivalents, at Carrying Value   $ 28,918,000 17,116,000 $ 26,000,000   $ 19,055,000  
Equity Method Investment, Ownership Percentage   83.00%          
Accrued Liabilities   $ 700,000 700,000        
Prepaid Expense   46,000 46,000        
Preferred Stock Dividends, Income Statement Impact   $ 243,000 $ 73,000        
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent 35.00% 21.00% 21.00%        
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount   $ 0 $ 21,555,000        
Deferred Tax Assets federal And Statutory Income Tax Rate     21.00%        
Operating Leases, Future Minimum Payments Due   1,122,000          
Series A and Series B Preferred Stock [Member]              
Summary of Significant Accounting Policies [Line Items]              
Preferred Stock Dividends, Income Statement Impact   $ 9,400,000 $ 6,900,000        
Series B Preferred Stock [Member]              
Summary of Significant Accounting Policies [Line Items]              
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount   7,966,057          
Preferred Stock Dividends, Income Statement Impact   $ 11,681,000 $ 0        
Preferred Stock, Discount on Shares   $ 2,500,000          
Preferred Stock Shares Converted   6,562          
Warrant [Member]              
Summary of Significant Accounting Policies [Line Items]              
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount   18,915,850 915,138        
Options [Member]              
Summary of Significant Accounting Policies [Line Items]              
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount   938,982 358,975        
Money Market Accounts [Member]              
Summary of Significant Accounting Policies [Line Items]              
Cash and Cash Equivalents, at Carrying Value   $ 98,000 $ 98,000        
SYN Biomics [Member]              
Summary of Significant Accounting Policies [Line Items]              
Equity Method Investment, Ownership Percentage   83.00%     88.50%    
Noncontrolling Interest, Ownership Percentage by Parent   17.00%     11.50%   8.50%