Quarterly report pursuant to Section 13 or 15(d)

Significant Accounting Policies (Details Textual)

v3.8.0.1
Significant Accounting Policies (Details Textual) - USD ($)
 1 Months Ended 3 Months Ended 9 Months Ended 12 Months Ended
Mar. 13, 2017
Sep. 30, 2017
Jul. 31, 2017
Jul. 31, 2016
Oct. 31, 2015
Sep. 30, 2017
Sep. 30, 2017
Sep. 30, 2016
Dec. 31, 2016
Stock Issued During Period, Shares, New Issues       250,000          
Preferred Stock, Dividend Rate, Percentage       2.50%          
Research and Development in Process                 $ 49,000
Stock Issued During Period, Value, New Issues           $ 0 $ 948,000    
Debt Instrument, Decrease, Forgiveness         $ 3,000,000        
Payments to Acquire Investments   $ 5,000,000 $ 5,000,000       10,000,000 $ 0  
Short-term Investments   $ 10,000,000       $ 10,000,000 $ 10,000,000   $ 0
Warrant [Member]                  
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount             127,488    
Restricted Stock [Member]                  
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount             714,999 274,999  
Employee Stock Option [Member]                  
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount             20,000    
Convertible Common Stock [Member]                  
Stock Issued During Period, Shares, New Issues 87,698                
Common Stock issuable [Member]                  
Stock Issued During Period, Value, New Issues $ 49,000