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Note A - Description of Business, Basis of Presentation and Significant Transactions (Details Textual) - USD ($) $ / shares in Units, $ in Millions |  |  |  | 12 Months Ended |  |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Aug. 12, 2024 | Aug. 08, 2024 | Jul. 11, 2024 | Dec. 31, 2024 | Feb. 26, 2025 | Jul. 12, 2024 | Jun. 04, 2024 | Feb. 05, 2024 | Oct. 31, 2023 | Aug. 30, 2023 | Jul. 02, 2021
Common Stock Registered, Shares (in shares) |  |  |  |  |  |  |  | 2,269,721 |  |  |
Common Stock Registered, Maximum Offering Price |  |  |  |  |  |  | $ 350.0 |  |  |  |
Stock Issued During Period, Shares, New Issues (in shares) |  |  |  | 10,615,385 |  |  |  |  |  |  |
ATM Agreement Sales [Member] |  |  |  |  |  |  |  |  |  |  |
Common Stock Registered, Maximum Offering Price |  |  |  |  |  |  | $ 75.0 |  |  |  |
ATM Agreement Sales [Member] | JMP [Member] |  |  |  |  |  |  |  |  |  |  |
Stock Issued During Period, Shares, New Issues (in shares) |  |  |  | 0 |  |  |  |  |  |  |
Equity Distribution Agreement, Maximum Aggregate Offering Price |  |  |  |  |  | $ 75.0 |  |  |  |  |
Equity Distribution Agreement, Commission Fee, Percentage of Gross Sales |  |  |  |  |  | 3.00% |  |  |  |  |
ATM Agreement Sales [Member] | JMP and RBCCM [Member] |  |  |  |  |  |  |  |  |  |  |
Stock Issued During Period, Shares, New Issues (in shares) |  |  | 0 |  |  |  |  |  |  |  |
Equity Distribution Agreement, Maximum Aggregate Offering Price |  |  |  |  |  |  |  |  |  |  | $ 75.0
Underwriting Agreement [Member] |  |  |  |  |  |  |  |  |  |  |
Stock Issued During Period, Shares, New Issues (in shares) |  | 9,230,770 |  |  |  |  |  |  |  |  |
Shares Issued, Price Per Share (in dollars per share) |  | $ 6.5 |  |  |  |  |  |  |  |  |
Over-Allotment Option [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |
Stock Issuable During the Period (in shares) |  | 1,384,615 |  |  |  |  |  |  |  |  |
Underwriting Agreement and Over-allotment Option [Member] |  |  |  |  |  |  |  |  |  |  |
Stock Issued During Period, Shares, New Issues (in shares) | 10,615,385 |  |  |  |  |  |  |  |  |  |
Proceeds from Issuance of Common Stock, Net | $ 64.5 |  |  |  |  |  |  |  |  |  |
Bridge Loan [Member] |  |  |  |  |  |  |  |  |  |  |
Financing Receivable, Maximum Limit |  |  |  |  |  |  |  |  | $ 18.0 | $ 18.0 |
Forecast [Member] | PRV Transfer Agreement [Member] |  |  |  |  |  |  |  |  |  |  |
Nontrade Receivables |  |  |  |  | $ 150.0 |  |  |  |  |  |

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