v3.25.1
Note 8 - Share-based Compensation - Restricted Stock Activity (Details) - Restricted Stock Units (RSUs) [Member]
 3 Months Ended
Mar. 31, 2025
$ / shares
shares
Unvested, number of units (in shares) | shares 801,525
Unvested, weighted average grant-date fair value (in dollars per share) | $ / shares $ 20.72
Granted, number of units (in shares) | shares 31,800
Granted, weighted average grant-date fair value (in dollars per share) | $ / shares $ 2.72
Vested and delivered, number of units (in shares) | shares 0
Vested and delivered, weighted average grant-date fair value (in dollars per share) | $ / shares $ 0
Withheld as treasury stock (1), number of units (in shares) | shares 0 [1]
Withheld as treasury stock (1), weighted average grant-date fair value (in dollars per share) | $ / shares $ 0 [1]
Vested not delivered (2), number of units (in shares) | shares (160,673) [2]
Vested not delivered (2), weighted average grant-date fair value (in dollars per share) | $ / shares $ 9.41 [2]
Forfeited, number of units (in shares) | shares (34,411)
Forfeited, weighted average grant-date fair value (in dollars per share) | $ / shares $ 4.25
Unvested, number of units (in shares) | shares (638,241)
Unvested, weighted average grant-date fair value (in dollars per share) | $ / shares $ 24.81
[1] As discussed in Note 7, Equity, the treasury stock was related to shares withheld to cover statutory withholding taxes upon the delivery of shares following the vesting of RSUs. As of March 31, 2025, there were 768,595 outstanding shares of treasury stock.
[2] Vested not delivered represents vested RSUs with delivery deferred to a future time. For the three months ended March 31, 2025, there was a change in the vested not delivered balance due to a net 160,673 shares that were deferred due to timing of delivery of certain shares, of which no shares had elected deferred delivery. As of March 31, 2025, 446,772 outstanding RSUs were vested not delivered.