Annual report pursuant to Section 13 and 15(d)

Convertible Unsecured Notes (Details)

v3.8.0.1
Convertible Unsecured Notes (Details) - USD ($)
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Debt Instrument [Line Items]    
Amortization of debt discount and deferred financing fees $ 5,246,000 $ 3,149,000
Notes [Member] | Unsecured Debt [Member]    
Debt Instrument [Line Items]    
Beginning Balance 1,250,000  
Amortization of debt discount and deferred financing fees  
Additional warrants issued  
Ending Balance 1,250,000 1,250,000
Less: Current Portion (1,250,000)  
Long Term Portion  
Debt Discount [Member] | Unsecured Debt [Member]    
Debt Instrument [Line Items]    
Beginning Balance (666,000)  
Amortization of debt discount and deferred financing fees 739,000  
Additional warrants issued (73,000)  
Ending Balance (666,000)
Less: Current Portion  
Long Term Portion  
Offering Costs [Member] | Unsecured Debt [Member]    
Debt Instrument [Line Items]    
Beginning Balance (30,000)  
Amortization of debt discount and deferred financing fees 30,000  
Additional warrants issued  
Ending Balance (30,000)
Less: Current Portion  
Long Term Portion  
Net Total [Member] | Unsecured Debt [Member]    
Debt Instrument [Line Items]    
Beginning Balance 554,000  
Amortization of debt discount and deferred financing fees 769,000  
Additional warrants issued (73,000)  
Ending Balance 1,250,000 $ 554,000
Less: Current Portion (1,250,000)  
Long Term Portion