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Note 7 - Share-based Payment Awards (Tables) | 9 Months Ended
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Sep. 30, 2025
Notes Tables |
Share-Based Payment Arrangement, Option, Activity [Table Text Block] |
|  |  |  |  |  |  |  |  |  | Weighted |  |  |  |  |
|  |  |  |  |  | Weighted |  |  | Average |  |  |  |  |
|  |  |  |  |  | Average |  |  | Remaining |  |  | Aggregate |
|  |  |  |  |  | Exercise |  |  | Contractual |  |  | Intrinsic |
|  | Shares |  |  | Price |  |  | Term (Yrs) |  |  | Value |
Outstanding as of December 31, 2024 |  |  | 5,918,616 |  |  | $ | 4.65 |  |  |  |  |  |  |  |  |
Issued |  |  | 471,059 |  |  | $ | 13.12 |  |  |  |  |  |  |  |  |
Exercised |  |  | (108,451 | ) |  | $ | 3.63 |  |  |  |  |  |  |  |  |
Forfeited/Cancelled |  |  | (316,220 | ) |  | $ | 4.99 |  |  |  |  |  |  |  |  |
Outstanding as of September 30, 2025 |  |  | 5,965,004 |  |  | $ | 5.34 |  |  |  | 6.6 |  |  | $ | 97,765 |
Options exercisable as of September 30, 2025 |  |  | 4,376,667 |  |  | $ | 4.83 |  |  |  | 5.9 |  |  | $ | 73,978 |
Options vested and expected to vest at September 30, 2025 |  |  | 5,965,004 |  |  | $ | 5.34 |  |  |  | 6.6 |  |  | $ | 97,765 |
|  |  |  |  |  |  |  |  |  | Weighted |  |  |  |  |
|  |  |  |  |  | Weighted |  |  | Average |  |  |  |  |
|  |  |  |  |  | Average |  |  | Remaining |  |  | Aggregate |
|  |  |  |  |  | Exercise |  |  | Contractual |  |  | Intrinsic |
|  | Shares |  |  | Price |  |  | Term (Yrs) |  |  | Value |
Outstanding as of December 31, 2023 |  |  | 4,839,226 |  |  | $ | 4.57 |  |  |  |  |  |  |  |  |
Issued |  |  | 1,511,118 |  |  | $ | 4.41 |  |  |  |  |  |  |  |  |
Exercised |  |  | (2,500 | ) |  | $ | 2.97 |  |  |  |  |  |  |  |  |
Forfeited/Cancelled |  |  | (264,717 | ) |  | $ | 4.61 |  |  |  |  |  |  |  |  |
Outstanding as of September 30, 2024 |  |  | 6,083,127 |  |  | $ | 4.53 |  |  |  | 7.2 |  |  | $ | 11,194 |
Options exercisable as of September 30, 2024 |  |  | 4,060,340 |  |  | $ | 4.70 |  |  |  | 6.4 |  |  | $ | 7,448 |
Options vested and expected to vest at September 30, 2024 |  |  | 6,083,127 |  |  | $ | 4.53 |  |  |  | 7.2 |  |  | $ | 11,194 |
Share-Based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block] |
|  | Number of Units |  |  | Weighted Average Grant-Date Fair Value Per Unit |
Outstanding and unvested as of December 31, 2024 |  |  | 226,068 |  |  | $ | 3.82 |
Granted |  |  | 197,326 |  |  | $ | 13.27 |
Vested |  |  | (84,204 | ) |  | $ | 4.75 |
Forfeited |  |  | (44,373 | ) |  | $ | 6.92 |
Outstanding and unvested as of September 30, 2025 |  |  | 294,817 |  |  | $ | 12.95 |
|  | Number of Units |  |  | Weighted Average Grant-Date Fair Value Per Unit |
Outstanding and unvested as of December 31, 2023 |  |  | 274,204 |  |  | $ | 2.63 |
Granted |  |  | — |  |  | $ | — |
Vested |  |  | (90,402 | ) |  | $ | 2.63 |
Forfeited |  |  | (23,000 | ) |  | $ | 2.63 |
Outstanding and unvested as of September 30, 2024 |  |  | 160,802 |  |  | $ | 2.63 |

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- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (e) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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