Note 6 - Stock Based Compensation - Compensation Expense (Details) - USD ($) $ in Thousands |
3 Months Ended | ||||
|---|---|---|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
Dec. 31, 2028 |
Dec. 31, 2027 |
Dec. 31, 2026 |
|
| Total gross compensation expense | $ 33 | $ 22 | |||
| Total tax benefit associated with compensation expense | 2 | 1 | |||
| Total net compensation expense | $ 31 | $ 21 | |||
| Forecast [Member] | |||||
| Total gross unrecognized compensation expense | $ 0 | $ 116 | $ 104 | ||
| X | ||||||||||
- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount, after tax, of expense for award under share-based payment arrangement. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of cost not yet recognized for nonvested award under share-based payment arrangement. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of tax benefit for recognition of expense of award under share-based payment arrangement. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Details
|