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v3.26.1

Note 14 - Loans Payable (Details Textual) |  |  |  |  | 1 Months Ended | 3 Months Ended | 9 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Dec. 31, 2025 | Feb. 18, 2025 USD ($) $ / shares | Feb. 13, 2025 USD ($) | Aug. 06, 2024 USD ($) | May 31, 2023 USD ($) | May 31, 2023 EUR (€) | Sep. 30, 2021 USD ($) | Dec. 31, 2020 USD ($) | Mar. 31, 2026 USD ($) | Dec. 31, 2025 USD ($) | Mar. 31, 2025 USD ($) | Mar. 31, 2026 USD ($) | Mar. 31, 2025 USD ($) | May 31, 2023 EUR (€) | Sep. 30, 2021 EUR (€) | Dec. 31, 2020 EUR (€)
Gain (Loss) on Extinguishment of Debt |  |  |  |  |  |  |  |  | $ 0 |  | $ (418,502) | $ (506,280) | $ (418,502) |  |  |
Acquisition Notes [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  |  |  |  |  |  |  |  | 12.00% |  |  | 12.00% |  |  |  |
Debt Instrument, Redemption Price, Percentage | 102.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gain (Loss) on Extinguishment of Debt |  |  |  |  |  |  |  |  |  | $ (500,000) |  |  |  |  |  |
Debt Instrument, Covenant, Minimum EBITDA |  | $ 4,900,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Convertible, Conversion Price (in dollars per share) | $ / shares |  | $ 1,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Face Amount |  |  | $ 5,200,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from Issuance of Debt |  |  | $ 32,200,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Maturity Date |  | Feb. 18, 2025 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Acquisition Notes [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  | 10.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Acquisition Notes [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  | 12.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Bridge Promissory Note [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  |  |  | 12.50% |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Face Amount |  |  |  | $ 3,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Original Issue Discount, Percent |  |  |  | 7.00% |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from Issuance of Debt |  |  |  | $ 2,700,000 |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Term (Year) |  |  |  | 1 year |  |  |  |  |  |  |  |  |  |  |  |
2020 Equipment Loan [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Face Amount |  |  |  |  |  |  | $ 300,000 | $ 300,000 |  |  |  |  |  |  | € 225,000 | € 225,000
Debt Instrument, Term (Year) |  |  |  |  |  |  | 52 months | 60 months |  |  |  |  |  |  |  |
2023 Equipment Loan [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  |  |  |  | 2.84% |  |  |  | 4.94% |  |  | 4.94% |  | 2.84% |  |
Debt Instrument, Face Amount |  |  |  |  | $ 300,000 |  |  |  |  |  |  |  |  | € 260,258 |  |
Debt Instrument, Term (Year) |  |  |  |  | 48 months | 48 months |  |  |  |  |  |  |  |  |  |
Repayments of Debt |  |  |  |  | $ 100,000 | € 132,674 |  |  |  |  |  |  |  |  |  |

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