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v3.25.2

Stock Options - Options (Details) - USD ($) | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024 | Apr. 05, 2012
Employee Stock Option |  |  |  |  |
Stock Options, Aggregate intrinsic value |  |  |  |  |
Stock-based compensation expense | $ 21,000 | $ 48,000 | $ 66,000 | $ 12,200,000 |
Stock-based compensation cost, unrecognized | $ 152,000 |  | $ 152,000 |  |
Stock-based compensation cost, unrecognized, weighted-average period of recognition |  |  | 1 year 4 months 24 days |  |
Employee Stock Option | 2012 Plan |  |  |  |  |
Stock option details |  |  |  |  |
Shares available for future grants |  |  |  |  | 800,000
Maximum exercisable period for granted share-based compensation |  |  | 10 years |  |
Stock option activity |  |  |  |  |
Options outstanding at the beginning of the period (in shares) |  |  | 212,155 |  |
Less: |  |  |  |  |
Options exercised (in shares) |  |  | (23,222) |  |
Options forfeited (in shares) |  |  | (4,650) |  |
Options outstanding at the end of the period (in shares) | 184,283 |  | 184,283 |  |
Options fully vested and exercisable at the end of the period (in shares) | 138,392 |  | 138,392 |  |
Stock Options, Weighted average exercise price |  |  |  |  |
Options outstanding at the beginning, weighted average exercise price (in dollars per share) |  |  | $ 35.27 |  |
Less: |  |  |  |  |
Options exercised, weighted average exercise price (in dollars per share) |  |  | 34.19 |  |
Options forfeited, weighted average exercise price (in dollars per share) |  |  | 33.57 |  |
Options outstanding at the end, weighted average exercise price (in dollars per share) | $ 35.44 |  | 35.44 |  |
Options fully vested and exercisable at the end, weighted average exercise price (in dollars per share) | $ 36.21 |  | $ 36.21 |  |
Stock Options, Weighted average remaining contractual term (years) |  |  |  |  |
Options outstanding at the end, weighted average remaining contractual term (years) |  |  | 3 years 9 months |  |
Options fully vested and exercisable at the end, weighted average remaining contractual term (years) |  |  | 3 years 3 days |  |
Stock Options, Aggregate intrinsic value |  |  |  |  |
Options outstanding at the end, aggregate intrinsic value | $ 5,734,000 |  | $ 5,734,000 |  |
Options fully vested and exercisable at the end, aggregate intrinsic value | $ 4,201,000 |  | $ 4,201,000 |  |
Incentive Stock Options to 10 Percent Shareholders | 2012 Plan |  |  |  |  |
Stock option details |  |  |  |  |
Maximum exercisable period for granted share-based compensation |  |  | 5 years |  |

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