Note 15 - Reconciliations of Federal Statutory Rate to Effective Income Tax Rate (Details) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2021 |
Dec. 31, 2020 |
|
| Income taxes benefit computed at federal statutory rate | $ 5,139 | $ 2,642 |
| State income taxes, net of federal effect | 480 | 216 |
| Permanent differences and other | 790 | 300 |
| Change in valuation allowance | (6,409) | (3,158) |
| Income tax benefit (provision) | $ 0 | $ 0 |