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v3.25.1

Stock Option Plan - Stock Option Activity (Details) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2025 | Mar. 31, 2024 | Dec. 31, 2024
Number of Options |  |  |
Outstanding, beginning of period (in shares) | 489,296 |  |
Granted (in shares) | 120,070 | 0 |
Expired (in shares) | (1,220) |  |
Outstanding, end of period (in shares) | 608,146 |  | 489,296
Vested and expected to vest, end of period (in shares) | 608,146 |  |
Options exercisable, end of period (in shares) | 608,146 |  |
Weighted- Average Exercise Price |  |  |
Outstanding, beginning of period (in dollars per share) | $ 8.39 |  |
Granted (in dollars per share) | 3.58 |  |
Expired (in dollars per share) | 15.65 |  |
Outstanding, end of period (in dollars per share) | 7.42 |  | $ 8.39
Vested and expected to vest, end of period (in shares), Weighted Average Exercise Price (in dollars per share) | 7.42 |  |
Options exercised, end of period (in shares), Weighted Average Exercise Price (in dollars per share) | $ 8.60 |  |
Stock Options, Additional Disclosures [Abstract] |  |  |
Outstanding, Weighted Average Remaining Contractual Term | 5 years 9 months 10 days |  | 6 years 6 months 10 days
Vested and expected to vest, Weighted Average Remaining Contractual Term | 5 years 9 months 10 days |  |
Options exercisable, Weighted Average Remaining Contractual Term | 4 years 7 months 9 days |  |
Outstanding, Aggregate Intrinsic Value | $ 282 |  | $ 370
Vested and expected to vest, Aggregate Intrinsic Value | 282 |  |
Options exercisable, Aggregate Intrinsic Value | $ 256 |  |

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- Definition Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(04) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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