Quarterly report pursuant to Section 13 or 15(d)

Note 4 - Fair Value (Details Textual)

v3.8.0.1
Note 4 - Fair Value (Details Textual) - USD ($)
3 Months Ended 6 Months Ended 9 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Jun. 30, 2017
Sep. 30, 2017
Sep. 30, 2016
Mar. 03, 2017
Dec. 31, 2016
Derivative Liability $ 63,000     $ 63,000     $ 63,000
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Period Increase (Decrease)         $ (1,800,000)    
Fair Value, Inputs, Level 1 [Member]              
Financial and Nonfinancial Liabilities, Fair Value Disclosure 0 $ 0   0 0    
Fair Value, Inputs, Level 3 [Member]              
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Period Increase (Decrease) 0 839,000 $ (153,000)        
Fair Value, Inputs, Level 2 [Member]              
Financial and Nonfinancial Liabilities, Fair Value Disclosure 0 0   0 0    
PPCO [Member] | Platinum Loan Agreement [Member]              
Convertible Debt           $ 1,900,000  
Convertible Debt, Fair Value Disclosures 0     0     $ 153,000
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Period Increase (Decrease) $ 0 $ 839,000   $ (153,000) $ (1,800,000)