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Note 15 - Leases (Details Textual) |  |  |  | 3 Months Ended | 9 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Apr. 01, 2024 EUR (€) | May 01, 2023 EUR (€) | Jul. 31, 2021 USD ($) ft² | Dec. 31, 2023 USD ($) ft² | Dec. 31, 2022 USD ($) | Jun. 30, 2023 EUR (€) ft² | May 11, 2023 | Nov. 19, 2021 ft² | Jan. 01, 2015
Operating Lease, Weighted Average Remaining Lease Term |  |  |  | 4 years 11 months 8 days | 3 years 9 months 14 days |  |  |  |
Operating Lease, Weighted Average Discount Rate, Percent |  |  |  | 3.79% | 3.22% |  |  |  |
Operating Lease, Payments | $ |  |  |  | $ 1,042,000 | $ 946,000 |  |  |  |
Tabasalu, Estonia [Member] |  |  |  |  |  |  |  |  |
Lessee, Operating Lease, Term of Contract (Year) |  |  |  |  |  |  | 10 years |  |
Operating Lease, Monthly Payment | € |  | € 20,400 |  |  |  |  |  |  |
Tabasalu, Estonia [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |
Operating Lease, Payments, Annual Increase, Percentage |  | 5.00% |  |  |  |  |  |  |
Tabasalu, Estonia [Member] | Forecast [Member] |  |  |  |  |  |  |  |  |
Operating Lease, Monthly Payment | € | € 25,000 |  |  |  |  |  |  |  |
7050 Winnetka Avenue North, Brooklyn Park, Minnesota [Member] |  |  |  |  |  |  |  |  |
Area of Real Estate Property |  |  |  | 85,000 |  |  |  |  |
Lessee, Operating Lease, Term of Contract (Year) |  |  |  |  |  |  |  |  | 10 years 2 months 1 day
Tijuana, Mexico 3 [Member] |  |  |  |  |  |  |  |  |
Area of Real Estate Property |  |  | 318,000 |  |  |  |  |  |
Lessee, Operating Lease, Number of Options to Renew |  |  | 2 |  |  |  |  |  |
Operating Lease, Monthly Payment | $ |  |  | $ 162,000 |  |  |  |  |  |
Operating Lease, Payments, Annual Increase, Percentage |  |  | 2.00% |  |  |  |  |  |
Brooklyn Part, MN [Member] |  |  |  |  |  |  |  |  |
Area of Real Estate Property |  |  |  |  |  |  |  | 105,000 |
Lessee, Operating Lease, Lease Not yet Commenced, Term of Contract (Year) |  |  |  |  |  |  |  | 5 years |
Lessee, Operating Lease, Lease Not yet Commenced, Renewal Term (Year) |  |  |  |  |  |  |  | 5 years |
Oulu, Finland [Member] |  |  |  |  |  |  |  |  |
Area of Real Estate Property |  |  |  |  |  | 25,000 |  |  |
Operating Lease, Monthly Payment | € |  |  |  |  |  | € 40,000 |  |  |

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- Definition Term of lessee's operating lease renewal for lease not yet commenced, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147478964/842-20-50-3 + Details
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