Note 16 - Income Taxes (Details Textual) - USD ($) |
Dec. 31, 2020 |
Dec. 31, 2019 |
|---|---|---|
| Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued, Total | $ 152,000 | $ 135,000 |
| Unrecognized Tax Benefits that Would Impact Effective Tax Rate | $ 3,238,000 | $ 2,683,000 |
| X | ||||||||||
- Definition Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|