Note 6 - Equity Incentive Plan - Other Award Activity (Details) |
9 Months Ended |
|---|---|
|
Sep. 30, 2023
shares
| |
| Restricted Stock Units (RSUs) [Member] | |
| Outstanding at December 31, 2022 (in shares) | 183,666 |
| Granted (in shares) | 39,750 |
| Vested (in shares) | (20,667) |
| Outstanding at September 30, 2023 (in shares) | 202,749 |
| Performance Stock Units (PSUs) [Member] | |
| Outstanding at December 31, 2022 (in shares) | 114,000 |
| Granted (in shares) | 0 |
| Vested (in shares) | 0 |
| Outstanding at September 30, 2023 (in shares) | 114,000 |
| X | ||||||||||
- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Net number of non-option equity instruments granted to participants. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Number of equity instruments other than options outstanding, including both vested and non-vested instruments. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|