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Note 11 - Equity (Details Textual) |  |  |  |  |  |  |  |  |  |  |  |  | 3 Months Ended | 4 Months Ended | 9 Months Ended | 10 Months Ended | 12 Months Ended |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Dec. 31, 2023 USD ($) $ / shares shares | Oct. 16, 2023 shares | Aug. 29, 2023 $ / shares shares | Jul. 08, 2023 shares | May 01, 2023 $ / shares shares | Mar. 15, 2023 shares | Feb. 23, 2023 $ / shares shares | Feb. 16, 2023 USD ($) $ / shares shares | Nov. 23, 2022 | Sep. 15, 2022 USD ($) $ / shares shares | Aug. 17, 2022 USD ($) shares | Jul. 05, 2022 shares | Sep. 30, 2024 USD ($) $ / shares shares | Sep. 30, 2023 USD ($) | Dec. 31, 2023 USD ($) $ / shares shares | Sep. 30, 2024 USD ($) $ / shares shares | Sep. 30, 2023 USD ($) | Dec. 31, 2023 USD ($) $ / shares shares | Dec. 31, 2023 USD ($) $ / shares shares | Dec. 31, 2022 USD ($) $ / shares shares | Aug. 12, 2024 | Jul. 15, 2023 shares | Jun. 15, 2023 $ / shares shares | Feb. 17, 2023 $ / shares shares | Jul. 04, 2022 $ / shares shares | Dec. 31, 2021 $ / shares
Proceeds from Issuance or Sale of Equity | $ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 4,643,000 | $ 290,000 |  |  |  |  |  |
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) | $ / shares | $ 19.9 |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 19.9 |  |  | $ 19.9 | $ 19.9 | $ 21.73 |  |  |  |  |  | $ 72.12
Stock Repurchased and Retired During Period, Shares (in shares) |  | 355 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares Authorized (in shares) | 260,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  | 260,000,000 |  |  | 260,000,000 | 260,000,000 |  |  |  |  |  |  |
Common Stock, Shares Authorized (in shares) | 100,000,000 |  |  |  |  |  |  |  |  |  |  |  | 100,000,000 |  | 100,000,000 | 100,000,000 |  | 100,000,000 | 100,000,000 | 256,880,000 |  |  |  |  |  |
Preferred Stock, Shares Authorized (in shares) | 3,120,000 |  |  |  |  |  |  |  |  |  |  |  | 1,000,000 |  | 3,120,000 | 1,000,000 |  | 3,120,000 | 3,120,000 |  |  |  |  |  |  |
Share-Based Payment Arrangement, Expense | $ |  |  |  |  |  |  |  |  |  |  |  |  | $ 2,316,000 | $ 78,000 |  | $ 2,433,000 | $ 226,000 |  |  |  |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Grant Date Fair Value | $ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,600 | 0 |  |  | $ 692,000 |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value | $ | $ 0 |  |  |  |  |  |  |  |  |  |  |  | 0 |  | $ 0 | 0 |  | $ 0 | $ 0 | $ 0 |  |  |  |  |  |
Share-Based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount | $ | $ 434,000 |  |  |  |  |  |  |  |  |  |  |  | 621,000 |  | $ 434,000 | $ 621,000 |  | $ 434,000 | $ 434,000 |  |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares) |  |  |  | 327,421 |  |  |  |  |  |  |  |  |  |  |  | 335,728 |  |  | 82,775 |  |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period (Year) |  |  |  | 5 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5 years | 5 years |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested, Number of Shares (in shares) |  |  |  | 37,709 |  |  |  |  |  |  |  |  |  |  |  | 185,704 |  |  | 25,676 |  |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Month) |  |  |  | 3 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-Based Payment Arrangement, Option [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-Based Payment Arrangement, Expense | $ |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,296,000 | $ 78,000 |  | $ 1,413,000 | $ 226,000 |  | $ 295,000 | $ 60,000 |  |  |  |  |  |
The Merger [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition, Conversion Rate of Shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.104 |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 113,522 |  |  |  |  |  |  |  |  |  |
The Merger [Member] | Forecast [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition, Conversion Rate of Shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.104 |  |  |  |  |
Reverse Stock Split [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stockholders' Equity Note, Stock Split, Conversion Ratio |  |  |  |  |  |  |  |  | 750 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Previously Reported [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common Stock, Shares Authorized (in shares) | 256,880,000 |  |  |  |  |  |  |  |  |  |  |  |  |  | 256,880,000 |  |  | 256,880,000 | 256,880,000 | 256,880,000 |  |  |  |  |  |
Preferred Stock, Shares Authorized (in shares) | 3,120,000 |  |  |  |  |  |  |  |  |  |  |  |  |  | 3,120,000 |  |  | 3,120,000 | 3,120,000 | 3,120,000 |  |  |  |  |  |
Conversion of Series B Preferred Stock to Common Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred Stock, Mandatory Conversion Feature, Offering Proceeds Threshold | $ | $ 1,000 |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,000 |  |  | $ 1,000 | $ 1,000 |  |  |  |  |  |  |
Preferred Stock, Convertible, Conversion Ratio | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 |  |  | 1 | 1 |  |  |  |  |  |  |
Conversion of Stock, Shares Converted (in shares) | 1,516,199 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred Stock, Mandatory Conversion Feature, Company Valuation | $ | $ 18,000 |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 18,000 |  |  | $ 18,000 | $ 18,000 |  |  |  |  |  |  |
Consulting Fees [Member] | Related Party [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares Issued, Price Per Share (in dollars per share) | $ / shares |  |  |  |  | $ 0.0394 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock Issued During Period, Shares, Issued for Services (in shares) |  |  |  |  | 29,636 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
August 2022 Securities Purchase Agreement Warrants [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares) |  |  |  |  |  |  |  |  |  |  | 1,387 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Series C Preferred Unit Warrants [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares) |  |  | 812,500 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Number of Securities Called by Each Warrant or Right (in shares) | 1 |  | 1 |  |  |  |  |  |  |  |  |  | 1 |  | 1 | 1 |  | 1 | 1 |  |  |  |  |  |  |
Class of Warrant or Right, Combined Purchase Price (in dollars per share) | $ / shares |  |  | $ 12.31 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) | $ / shares | $ 24.62 |  | $ 24.62 |  |  |  |  |  |  |  |  |  | $ 24.62 |  | $ 24.62 | $ 24.62 |  | $ 24.62 | $ 24.62 |  |  |  |  |  |  |
Warrants and Rights Outstanding, Term (Year) | 3 years |  |  |  |  |  |  |  |  |  |  |  | 3 years |  | 3 years | 3 years |  | 3 years | 3 years |  |  |  |  |  |  |
Warrants or Rights Issued (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 79,026 |  |  |  |  |  |  |  |  |  |  |
Noncash Warrants Issued (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 81,250 |  |  |  |  |  |  |  |  |  |  |
Tranche A Warrants [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares) | 54,782 |  |  |  |  |  |  |  |  |  |  |  |  |  | 54,782 |  |  | 54,782 | 54,782 |  |  |  |  |  | 20,642 |
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) | $ / shares | $ 7.21 |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 7.21 |  |  | $ 7.21 | $ 7.21 |  |  |  |  |  | $ 28.85 |
Class of Warrant or Right, Exercise Price, Purchase Price Numerator | $ | $ 50,000 |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 50,000 |  |  | $ 50,000 | $ 50,000 |  |  |  |  |  |  |
Tranche B Warrants [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares) | 27,253 |  |  |  |  |  |  |  |  |  |  |  |  |  | 27,253 |  |  | 27,253 | 27,253 |  |  |  |  |  |  |
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) | $ / shares | $ 7.21 |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 7.21 |  |  | $ 7.21 | $ 7.21 |  |  |  |  |  |  |
Class of Warrant or Right, Exercise Price, Purchase Price Numerator | $ | $ 150,000 |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 150,000 |  |  | $ 150,000 | $ 150,000 |  |  |  |  |  |  |
WPC Warrants [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 12,827 |  |
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) | $ / shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0.0455 |  |
Series A Warrants [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 629,039 | 629,039 |  |  |
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) | $ / shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0.096 |  |  |
Warrants and Rights Outstanding, Term (Year) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5 years | 5 years |  |  |
Series A Preferred Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock Issued During Period, Shares, New Issues (in shares) |  |  |  |  |  |  |  |  |  |  |  | 332,636 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred Stock, Shares Authorized (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Series B Preferred Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock Issued During Period, Shares, New Issues (in shares) |  |  |  |  |  | 1,516,199 | 1,123,110 |  |  |  |  |  |  |  |  |  |  | 1,516,199 |  |  |  |  |  |  |  |
Shares Issued, Price Per Share (in dollars per share) | $ / shares |  |  |  |  |  |  | $ 1.78 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from Issuance of Preferred Stock and Preference Stock | $ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 2,700,000 |  |  |  |  |  |  |  |
Payments of Stock Issuance Costs | $ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 92,000 |  |  |  |  |  |  |  |
Preferred Stock, Mandatory Conversion Feature, Offering Proceeds Threshold | $ | $ 1,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,000,000 |  |  | $ 1,000,000 | $ 1,000,000 |  |  |  |  |  |  |
Preferred Stock, Convertible, Conversion Ratio | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 |  |  | 1 | 1 |  |  |  |  |  |  |
Preferred Stock, Shares Authorized (in shares) | 3,120,000 |  |  |  |  |  |  |  |  |  |  |  |  |  | 3,120,000 |  |  | 3,120,000 | 3,120,000 | 3,120,000 |  |  |  |  |  |
Series C Preferred Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from Issuance or Sale of Equity | $ |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,969,000 |  |  |  |  |  |  |  |  |  |  |
Payments of Stock Issuance Costs | $ |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 67,000 |  |  |  |  |  |  |  |  |  |  |
Units Issued During Period, New Issues (in shares) |  |  | 812,500 |  |  |  |  |  |  |  |  |  |  |  | 159,966 |  |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Combined Purchase Price (in dollars per share) | $ / shares |  |  | $ 12.31 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred Stock, Mandatory Conversion Feature, Offering Proceeds Threshold | $ | $ 2,000 |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 2,000 |  |  | $ 2,000 | $ 2,000 |  |  |  |  |  |  |
Preferred Stock, Shares Authorized (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred Stock, Mandatory Conversion Feature, Company Valuation | $ | $ 65,000 |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 65,000 |  |  | $ 65,000 | $ 65,000 |  |  |  |  |  |  |
Securities Purchase Agreement [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock Issued During Period, Shares, New Issues (in shares) |  |  |  |  |  |  |  | 3,383,784 |  | 5,333 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from Issuance or Sale of Equity | $ |  |  |  |  |  |  |  | $ 133,000 |  | $ 250,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares Issued, Price Per Share (in dollars per share) | $ / shares |  |  |  |  |  |  |  | $ 0.0394 |  | $ 46.83 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Securities Purchase Agreement [Member] | Series A Preferred Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock Issued During Period, Shares, New Issues (in shares) |  |  |  |  |  |  |  |  |  |  | 1,040,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from Issuance or Sale of Equity | $ |  |  |  |  |  |  |  |  |  |  | $ 40,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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