Note 13 - Stock-based Compensation - Schedule of Equity Incentive Plan Activity (Details) - Equity Incentive Plan 2014 [Member] - shares shares in Thousands |
1 Months Ended | 12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2020 |
Mar. 31, 2020 |
Dec. 31, 2017 |
Jun. 30, 2017 |
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2019 |
Dec. 31, 2015 |
Dec. 31, 2014 |
|
| Shares authorized (in shares) | 9 | ||||||||||
| Increased in shares authorized (in shares) | 53 | 22 | 20 | 4 | 153 | 67 | 80 | 37 | 16 | 7 | |
| Shares authorized (in shares) | 468 | ||||||||||
| Beginning balance (in shares) | 47 | ||||||||||
| Granted (in shares) | (207) | ||||||||||
| Forfeited (in shares) | 6 | ||||||||||
| Expired (in shares) | 1 | ||||||||||
| Ending balance (in shares) | 0 | 47 | |||||||||
| X | ||||||||||
- Definition Aggregate number of common shares reserved for future issuance. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Number of shares under non-option equity instrument agreements for which rights to exercise lapsed. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Number of shares under non-option equity instrument agreements that were cancelled as a result of occurrence of a terminating event. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Number of additional shares authorized for issuance under share-based payment arrangement. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Number of shares authorized for issuance under share-based payment arrangement. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Number of shares issued under share-based payment arrangement. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Details
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