Note 10 - Income Taxes - Components of Income Tax Expense (Benefit) (Details) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2019 |
Dec. 31, 2018 |
|
| Current: | ||
| State | $ (79) | $ (29) |
| Total current expense | (79) | (29) |
| Deferred: | ||
| Federal | 8,981 | 3,641 |
| State | 4,378 | 2,264 |
| Change in valuation allowance | (13,359) | (5,905) |
| Total deferred expense | ||
| Total income tax provision | $ (79) | $ (29) |