Quarterly report pursuant to Section 13 or 15(d)

Note 4 - Fair Value (Details Textual)

v3.19.2
Note 4 - Fair Value (Details Textual) - USD ($)
6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Dec. 31, 2018
Derivative Liability, Total $ 63,000   $ 63,000
Fair Value, Inputs, Level 1 [Member]      
Financial and Nonfinancial Liabilities, Fair Value Disclosure 0 $ 0  
Fair Value, Inputs, Level 2 [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), Total 0 $ 0  
Other Liabilities [Member]      
Derivative Liability, Total $ 63,000   $ 63,000