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v3.24.1

Note 5 - Commitments and Contingencies (Details Textual) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2023 USD ($) a | Jan. 31, 2024 EUR (€)
Purchase Obligation | $ 932,000 |
VTT Technical Research Centre of Finland Ltd [Member] | Subsequent Event [Member] |  |
Collaborative Arrangement, Payment for Additional Development and Commercialization | € |  | € 186,000
Jupiter Florida Headqauarters Lease [Member] |  |
Area of Real Estate Property (Square Foot) | a | 1,719 |
Operating Leases, Monthly Rental Rate | $ 59,000 |
Netherlands Office Lease [Member] |  |
Operating Leases, Annual Rental Rate | $ 4,800 |

X
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- Details
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