Note 12 - Share-based Compensation - Unvested Shares (Details) |
12 Months Ended |
|---|---|
|
Dec. 31, 2020
$ / shares
shares
| |
| Unvested (in shares) | shares | 578,747 |
| Unvested, weighted average grant-date fair value (in dollars per share) | $ / shares | $ 3.73 |
| Granted (in shares) | shares | 302,332 |
| Granted, weighted average grant-date fair value (in dollars per share) | $ / shares | $ 4.73 |
| Vested (in shares) | shares | (449,556) |
| Vested, weighted average grant-date fair value (in dollars per share) | $ / shares | $ 5.09 |
| Forfeited (in shares) | shares | (40,697) |
| Forfeited, weighted average grant-date fair value (in dollars per share) | $ / shares | $ 4.86 |
| Unvested (in shares) | shares | 390,826 |
| Unvested, weighted average grant-date fair value (in dollars per share) | $ / shares | $ 4.83 |
| X | ||||||||||
- Definition Gross number of share options (or share units) granted during the period. No definition available.
|
| X | ||||||||||
- Definition The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Number of non-vested options outstanding. No definition available.
|
| X | ||||||||||
- Definition Number of non-vested options forfeited. No definition available.
|
| X | ||||||||||
- Definition Weighted average grant-date fair value of non-vested options forfeited. No definition available.
|
| X | ||||||||||
- Definition Weighted average grant-date fair value of non-vested options outstanding. No definition available.
|
| X | ||||||||||
- Definition Number of options vested. No definition available.
|
| X | ||||||||||
- Definition Weighted average grant-date fair value of options vested. No definition available.
|