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Note 15 - Leases (Details Textual) |  |  | 1 Months Ended | 3 Months Ended | 9 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Apr. 01, 2024 EUR (€) | May 01, 2023 EUR (€) | Apr. 30, 2024 USD ($) ft² | Jun. 30, 2024 USD ($) | Jun. 30, 2023 USD ($) ft² | Jun. 30, 2024 USD ($) | Jun. 30, 2023 USD ($) ft² | Jun. 30, 2023 EUR (€) ft² | May 11, 2023 ft² | Nov. 19, 2021 ft² | Jan. 01, 2015 ft²
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability |  |  |  |  |  | $ 4,614,000 | $ 3,776,000 |  |  |  |
Operating Lease, Weighted Average Remaining Lease Term |  |  |  | 5 years 4 months 6 days | 5 years 1 month 6 days | 5 years 4 months 6 days | 5 years 1 month 6 days | 5 years 1 month 6 days |  |  |
Operating Lease, Weighted Average Discount Rate, Percent |  |  |  | 6.61% | 3.58% | 6.61% | 3.58% | 3.58% |  |  |
Operating Lease, Payments |  |  |  | $ 1,058,000 | $ 1,012,000 | $ 3,150,000 | $ 2,910,000 |  |  |  |
Tabasalu, Estonia [Member] |  |  |  |  |  |  |  |  |  |  |
Area of Real Estate Property | ft² |  |  |  |  |  |  |  |  | 49,000 |  |
Lessee, Operating Lease, Term of Contract |  |  |  |  |  |  |  |  | 10 years |  |
Operating Lease, Monthly Payment | € | € 25,000 | € 20,400 |  |  |  |  |  |  |  |  |
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 |  |  |  |  |  |  |  |  |  |  | 10 years 2 months 1 day
Lessee, Operating Lease, Renewal Term |  |  | 3 years |  |  |  |  |  |  |  |
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability |  |  | $ 1,337,000 |  |  |  |  |  |  |  |
Tijuana, Mexico 3 [Member] |  |  |  |  |  |  |  |  |  |  |
Area of Real Estate Property | ft² |  |  | 318,000 |  |  |  |  |  |  |  |
Lessee, Operating Lease, Term of Contract |  |  | 7 years |  |  |  |  |  |  |  |
Lessee, Operating Lease, Renewal Term |  |  | 5 years |  |  |  |  |  |  |  |
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability |  |  | $ 8,637,000 |  |  |  |  |  |  |  |
Operating Lease, Monthly Payment |  |  | $ 169,000 |  |  |  |  |  |  |  |
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 |  |  |  |  |  |  |  |
Tijuana, Mexico 3 [Member] | Termination of Lease [Member] |  |  |  |  |  |  |  |  |  |  |
Increase (Decrease) in Operating Lease Liability |  |  | $ (5,610,000) |  |  |  |  |  |  |  |
Brooklyn Part, MN [Member] |  |  |  |  |  |  |  |  |  |  |
Area of Real Estate Property | ft² |  |  |  |  |  |  |  |  |  | 105,000 |
Lessee, Operating Lease, Term of Contract |  |  |  |  |  |  |  |  |  | 5 years |
Lessee, Operating Lease, Renewal Term |  |  |  |  |  |  |  |  |  | 5 years |
Oulu, Finland [Member] |  |  |  |  |  |  |  |  |  |  |
Area of Real Estate Property | ft² |  |  |  |  | 25,000 |  | 25,000 | 25,000 |  |  |
Operating Lease, Monthly Payment | € |  |  |  |  |  |  |  | € 40,000 |  |  |

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