XML 61 R50.htm IDEA: XBRL DOCUMENT v3.21.2
Note 11 - Share-based Compensation - Restricted Stock Unit and Performance Award Activity (Details)
6 Months Ended
Jun. 30, 2021
$ / shares
shares
Unvested, number of shares (in shares) | shares 1,332,884
Unvested, weighted average grant-date fair value per share (in dollars per share) | $ / shares $ 1.86
Granted, number of shares (in shares) | shares 393,592
Granted, weighted average grant-date fair value per share (in dollars per share) | $ / shares $ 4.82
Vested, number of shares (in shares) | shares (682,411)
Vested, weighted average grant-date fair value per share (in dollars per share) | $ / shares $ 1.93
Unvested, number of shares (in shares) | shares 1,044,065
Unvested, weighted average grant-date fair value per share (in dollars per share) | $ / shares $ 2.75