Note 12 - Stock-based Compensation - Vesting Terms of Options Granted (Details) - shares shares in Thousands |
9 Months Ended | |
|---|---|---|
Sep. 30, 2023 |
Sep. 30, 2022 |
|
| Stock options granted in the period (in shares) | 217 | 420 |
| Options with Three Year Vesting [Member] | ||
| Stock options granted in the period (in shares) | 48 | 348 |
| Options with Four Year Vesting [Member] | ||
| Stock options granted in the period (in shares) | 169 | 32 |
| Performance Based Vesting [Member] | ||
| Stock options granted in the period (in shares) | 0 | 40 |
| X | ||||||||||
- Definition Gross number of share options (or share units) granted during the period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|