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Note 15 - Leases (Details Textual) |  |  |  |  | 1 Months Ended | 3 Months Ended | 9 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Apr. 01, 2024 EUR (€) | May 01, 2023 EUR (€) | Nov. 19, 2021 USD ($) ft² | Jan. 01, 2015 USD ($) ft² | Apr. 30, 2024 USD ($) ft² | Jun. 30, 2025 USD ($) a | Jun. 30, 2024 USD ($) | Jun. 30, 2025 USD ($) a | Jun. 30, 2024 USD ($) | Sep. 30, 2024 EUR (€) ft² | May 11, 2023 ft²
Operating Lease, Weighted Average Remaining Lease Term |  |  |  |  |  | 5 years 7 months 20 days | 5 years 4 months 6 days | 5 years 7 months 20 days | 5 years 4 months 6 days |  |
Operating Lease, Weighted Average Discount Rate, Percent |  |  |  |  |  | 6.38% | 6.61% | 6.38% | 6.61% |  |
Operating Lease, Payments | $ |  |  |  |  |  | $ 1,227,685 | $ 1,058,000 | $ 3,609,176 | $ 3,150,000 |  |
Tabasalu, Estonia [Member] |  |  |  |  |  |  |  |  |  |  |
Area of Real Estate Property |  |  |  |  |  | 115,000 |  | 115,000 |  |  | 49,000
Lessee, Operating Lease, Term of Contract |  |  |  |  |  |  |  |  |  |  | 10 years
Operating Lease, Monthly Payment | € | € 24,000 | € 63,000 |  |  |  |  |  |  |  |  |
Tabasalu, Estonia [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |  |
Operating Lease, Payments, Annual Increase, Percentage |  | 5.00% |  |  |  |  |  |  |  |  |
7050 Winnetka Avenue North, Brooklyn Park, Minnesota [Member] |  |  |  |  |  |  |  |  |  |  |
Area of Real Estate Property | ft² |  |  |  | 85,000 |  |  |  |  |  |  |
Lessee, Operating Lease, Term of Contract |  |  |  | 13 years 2 months |  |  |  |  |  |  |
Operating Lease, Monthly Payment | $ |  |  |  | $ 37,000 |  |  |  |  |  |  |
Tijuana, Mexico 3 [Member] |  |  |  |  |  |  |  |  |  |  |
Area of Real Estate Property | ft² |  |  |  |  | 318,000 |  |  |  |  |  |
Lessee, Operating Lease, Term of Contract |  |  |  |  | 7 years |  |  |  |  |  |
Operating Lease, Monthly Payment | $ |  |  |  |  | $ 169,000 |  |  |  |  |  |
Lessee, Operating Lease, Renewal Term |  |  |  |  | 5 years |  |  |  |  |  |
Operating Lease, Payments, Annual Increase, Percentage |  |  |  |  | 2.00% |  |  |  |  |  |
Tijuana, Mexico 3 [Member] | Lease Mandatory Contractual Term [Member] |  |  |  |  |  |  |  |  |  |  |
Lessee, Operating Lease, Term of Contract |  |  |  |  | 5 years |  |  |  |  |  |
Brooklyn Park, MN [Member] |  |  |  |  |  |  |  |  |  |  |
Area of Real Estate Property | ft² |  |  | 105,000 |  |  |  |  |  |  |  |
Lessee, Operating Lease, Term of Contract |  |  | 5 years |  |  |  |  |  |  |  |
Operating Lease, Monthly Payment | $ |  |  | $ 56,000 |  |  |  |  |  |  |  |
Lessee, Operating Lease, Renewal Term |  |  | 5 years |  |  |  |  |  |  |  |
Oulu, Finland [Member] |  |  |  |  |  |  |  |  |  |  |
Area of Real Estate Property | ft² |  |  |  |  |  |  |  |  |  | 25,000 |
Operating Lease, Monthly Payment | € |  |  |  |  |  |  |  |  |  | € 40,000 |

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