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Note 7 - Other Current Assets (Details Textual) - USD ($) $ in Thousands |  |  |  |  |  | 1 Months Ended | 3 Months Ended | 4 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Mar. 31, 2026 | Mar. 27, 2025 | Mar. 17, 2025 | Jan. 27, 2025 | May 29, 2024 | May 31, 2023 | Mar. 31, 2026 | Mar. 31, 2025 | Jul. 31, 2023 | Dec. 31, 2022 | Apr. 30, 2022 | Dec. 31, 2025 | Jan. 11, 2023 | May 01, 2022 | Jan. 05, 2022
Short-term loans to unrelated parties | $ 2,653 |  |  |  |  |  | $ 2,653 |  |  |  |  | $ 2,653 |  |  |
Loan to Unrelated Party [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Short-term loans to unrelated parties |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 2,500
Loans Receivable, Interest Rate, Stated Percentage |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 7.50%
Proceeds from Collection of Notes Receivable |  |  |  |  |  |  |  |  |  |  | $ 1,020 |  |  |  |
Proceeds from Interest Received |  |  |  |  |  |  |  |  |  |  | $ 60 |  |  |  |
Revised Loan to Original Unrelated Party [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Short-term loans to unrelated parties |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,480 |
Loans Receivable, Interest Rate, Stated Percentage |  |  |  |  |  |  |  |  |  |  |  |  |  | 5.00% |
Proceeds from Collection of Notes Receivable |  | $ 210 | $ 350 |  | $ 130 |  |  |  |  |  |  |  |  |  |
Proceeds from Interest Received |  | 2 | 60 |  | 60 | $ 20 |  |  | $ 20 | $ 50 |  |  |  |  |
Proceeds from Loans Principal Amount |  | $ 210 | $ 290 |  | $ 70 |  |  |  |  |  |  |  |  |  |
Second Loan to Unrelated Party [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Short-term loans to unrelated parties |  |  |  |  |  |  |  |  |  |  |  |  | $ 2,000 |  |
Loans Receivable, Interest Rate, Stated Percentage |  |  |  |  |  |  |  |  |  |  |  |  | 12.00% |  |
Proceeds from Collection of Notes Receivable |  |  |  | $ 570 |  |  |  | $ 770 |  |  |  |  |  |  |
Proceeds from Interest Received | $ 50 |  |  | 110 |  |  |  | 350 |  |  |  |  |  |  |
Proceeds from Loans Principal Amount |  |  |  | $ 460 |  |  |  | 420 |  |  |  |  |  |  |
Allowance for Credit Loss on Short Term Loans |  |  |  |  |  |  | $ (5) | $ 380 |  |  |  |  |  |  |

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