Quarterly report pursuant to Section 13 or 15(d)

Note 12 - Income Taxes (Details Textual)

v3.20.1
Note 12 - Income Taxes (Details Textual) - USD ($)
xbrli-pure in Thousands, $ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2020
Dec. 31, 2020
Income Tax Expense (Benefit), Total $ 0  
Effective Income Tax Rate Reconciliation, Percent, Total 0.00%  
Forecast [Member]    
Effective Income Tax Rate Reconciliation, Percent, Total   0.00%