Annual report pursuant to Section 13 and 15(d)

Note 4 - Fair Value (Details Textual)

v3.8.0.1
Note 4 - Fair Value (Details Textual) - USD ($)
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Mar. 03, 2017
Derivative Liability $ 63,000 $ 63,000    
Fair Value, Inputs, Level 1 [Member]        
Financial and Nonfinancial Liabilities, Fair Value Disclosure 0 0    
Fair Value, Inputs, Level 3 [Member]        
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Period Increase (Decrease) (153,000) (2,900,000) $ 615,000  
Fair Value, Inputs, Level 2 [Member]        
Financial and Nonfinancial Liabilities, Fair Value Disclosure 0 0    
Other Liabilities [Member]        
Derivative Liability 63,000 63,000    
PPCO [Member] | Platinum Loan Agreement [Member]        
Convertible Debt       $ 1,900,000
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Period Increase (Decrease) (153,000)      
PPCO [Member] | Platinum Loan Agreement [Member] | Notes Payable [Member]        
Convertible Debt, Fair Value Disclosures $ 0 $ 153,000