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Note 14 - Equity (Details Textual) - USD ($) $ / shares in Units, $ in Thousands |  | 9 Months Ended |
--- | --- | --- | ---
Apr. 11, 2023 | Sep. 30, 2024 | Sep. 30, 2023 | Dec. 31, 2023
Share-Based Payment Arrangement, Expense |  | $ 1,600 | $ 4,600 |
Share-Based Payment Arrangement, Expense, Tax Benefit |  | $ 0 | $ 0 |
Preferred Stock, Shares Authorized (in shares) |  | 3,333,333 |  | 3,333,333
Preferred Stock, Par or Stated Value Per Share (in dollars per share) |  | $ 0.0001 |  | $ 0.0001
Preferred Stock, Shares Issued (in shares) |  | 0 |  | 0
Common Stock, Shares Authorized (in shares) |  | 50,000,000 |  | 50,000,000
Common Stock, Par or Stated Value Per Share (in dollars per share) |  | $ 0.0001 |  | $ 0.0001
Common Stock, Shares, Issued (in shares) |  | 18,993,146 |  | 18,724,596
Preferred Stock, Shares Outstanding (in shares) |  | 0 |  | 0
Common Stock, Shares, Outstanding (in shares) |  | 18,993,146 |  | 18,724,596
April 2023 Private Placement [Member] |  |  |  |
Common Stock, Par or Stated Value Per Share (in dollars per share) | $ 0.0001 |  |  |
Stock Issued During Period, Shares, New Issues (in shares) | 3,428,571 |  |  |
Shares Issued, Price Per Share (in dollars per share) | $ 1.75 |  |  |
Proceeds from Issuance of Private Placement | $ 6,000 |  |  |

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