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Note M - Stock-based Compensation (Details Textual) - USD ($) $ / shares in Units, $ in Thousands |  | 1 Months Ended | 12 Months Ended | 43 Months Ended |
--- | --- | --- | --- | --- | ---
Jan. 01, 2025 | Jun. 30, 2021 | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2024 | Sep. 30, 2024
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period (in shares) |  |  | 469,563 | 7,500 |  |
Share-Based Payment Arrangement, Expense |  |  | $ 14,906 | $ 5,954 |  |
Share-Based Payment Arrangement, Accelerated Cost |  |  | $ 2,400 |  |  |
Severance Costs Recognized |  |  |  | $ 1,200 |  |
Employee Stock Purchase Plan, Maximum Number of Issuable Shares (in shares) |  | 1,500,000 |  |  |  |
Stock Issued During Period, Shares, Employee Stock Purchase Plans (in shares) |  |  | 192,160 | 77,193 | 351,988 |
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value (in dollars per share) |  |  | $ 5.74 | $ 3.65 |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested in Period, Fair Value |  |  | $ 8,100 | $ 9,200 |  |
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount |  |  | 9,500 |  | $ 9,500 |
Performance Shares [Member] |  |  |  |  |  |
Share-Based Payment Arrangement, Expense |  |  | $ 2,500 | $ 0 |  |
2014 Equity Incentive Plan [Member] |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized (in shares) |  | 4,900,000 |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized (in shares) |  |  |  |  |  | 9,932,883
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Reserved for Issuance, Incremental Percentage of Capital Stock Outstanding |  | 4.00% |  |  |  |
Increase in Common Stock Reserved for Issuance (in shares) | 2,146,828 |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period (in shares) |  |  | 1,177,545 | 7,500 |  |
The 2023 Plan [Member] |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized (in shares) |  |  | 4,500,000 |  | 4,500,000 |

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- Definition The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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