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Note 4 - Class A Convertible Preferred Units and Warrants (Details Textual) - USD ($) $ / shares in Units, $ in Thousands |  |  |  |  |  |  | 1 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Feb. 14, 2024 | Feb. 08, 2024 | Feb. 07, 2024 | Jan. 29, 2024 | Sep. 18, 2023 | Mar. 02, 2017 | Sep. 30, 2024 | May 31, 2024 | Apr. 30, 2024 | Sep. 30, 2023 | Aug. 31, 2023 | Jun. 30, 2023 | May 31, 2023 | Feb. 28, 2023 | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Temporary Equity, Par or Stated Value Per Share (in dollars per share) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,000 |
Preferred Units, Number of Redeemed Units (in shares) |  |  |  |  |  |  | 31,666 | 40,000 |  | 15,001 | 35,000 | 45,000 | 35,834 | 47,499 | 71,666 |  |
Temporary Equity, Carrying Amount, Including Portion Attributable to Noncontrolling Interests |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 | $ 47,181 |
Warrants and Rights Outstanding |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 | $ 23,095 | $ 47,964
Class of Warrant or Right, Outstanding (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 | 1,540,000 | 3,002,500
Warrants at 22.81 Strike Price [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right Warrants, Issued (in shares) |  |  |  |  |  | 1,750,000 |  |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) |  |  |  |  | $ 22.81 | $ 22.81 |  |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Repurchased and Retired (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 752,500 |
Warrants at 34.00 Strike Price [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right Warrants, Issued (in shares) |  |  |  |  |  | 2,250,000 |  |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) | $ 34 | $ 34 | $ 34 | $ 34 | $ 34 | $ 34 |  |  | $ 34 |  |  |  |  |  | $ 34 | $ 34 |
Class of Warrant or Right, Repurchased and Retired (in shares) |  |  |  |  | 710,000 |  |  |  | 320,335 |  |  |  |  |  | 1,540,000 |  |
Class Of Warrants, Warrants Exercised (in shares) | 500,000 | 128,750 | 128,750 | 462,165 |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants and Rights Settled | $ 29,700 | $ 7,900 | $ 8,000 | $ 10,000 |  |  |  |  | $ 10,000 |  |  |  |  |  |  | $ 56,100 |
Partners' Capital Account, Units, Warrant Settlements (in shares) |  |  |  | 198,767 |  |  |  |  | 89,059 |  |  |  |  |  |  |  |
Volume Weighted Average Price of Share (in dollars per share) | $ 93.47 | $ 95.63 | $ 96.29 | $ 97.62 |  |  |  |  | $ 90.33 |  |  |  |  |  |  |  |
Warrants and Rights Outstanding |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 | $ 23,100 |
Class of Warrant or Right, Outstanding (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 | 1,540,000 |
Originally Issued Warrants [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4,000,000 |  |
Class A Convertible Preferred Units [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred Units, Issued (in shares) |  |  |  |  |  | 250,000 |  |  |  |  |  |  |  |  |  |  |
Temporary Equity, Par or Stated Value Per Share (in dollars per share) |  |  |  |  |  | $ 1,000 |  |  |  |  |  |  |  |  |  |  |
Preferred Units Origination Fee Percent |  |  |  |  |  | 2.50% |  |  |  |  |  |  |  |  |  |  |
Preferred Stock, Dividend Rate, Percentage |  |  |  |  |  | 12.00% |  |  |  |  |  |  |  |  |  |  |
Preferred Units, Number of Redeemed Units (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 71,666 | 178,334 |
Preferred Units, Value of Redeemed Units |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 71,700 | $ 178,300 |
Preferred Units, Outstanding (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 | 71,666 |
Temporary Equity, Carrying Amount, Including Portion Attributable to Noncontrolling Interests |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 47,200 |
Preferred Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from Issuance of Preferred Stock, Preference Stock, and Warrants, Total |  |  |  |  |  | $ 250,000 |  |  |  |  |  |  |  |  |  |  |

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