Quarterly report pursuant to Section 13 or 15(d)

Note 4 - Summary of Significant Accounting Policies (Details Textual)

v3.19.3
Note 4 - Summary of Significant Accounting Policies (Details Textual) - USD ($)
Sep. 30, 2019
Jan. 01, 2019
Dec. 31, 2018
Operating Lease, Liability, Total $ 171,000    
Operating Lease, Right-of-Use Asset $ 165,000  
Accounting Standards Update 2016-02 [Member]      
Operating Lease, Liability, Total   $ 205,000  
Operating Lease, Right-of-Use Asset   $ 205,000