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Note 11 - Related-Party Transactions (Details Textual) - USD ($) $ in Thousands |  |  | 1 Months Ended | 3 Months Ended
--- | --- | --- | --- | ---
Aug. 31, 2024 | Aug. 30, 2024 | Mar. 31, 2025 | Aug. 31, 2024 | Mar. 31, 2026 | Mar. 31, 2025
Revenue from Contract with Customer, Excluding Assessed Tax |  |  |  |  | $ 24,266 | $ 17,282
Cost of Product and Service Sold |  |  |  |  | $ 9,531 | 7,421
Chief Executive Officer [Member] | Sean E. Brynjelsen [Member] |  |  |  |  |  |
Subsidiary, Ownership Percentage, Parent |  |  |  |  | 100.00% |
Messa Holdings LLC [Member] |  |  |  |  |  |
Equity Method Investment, Ownership Percentage |  |  |  |  | 50.00% |
DS-200 [Member] | Selenix [Member] |  |  |  |  |  |
Commitment, Allocation of Profits, Percentage | 45.00% | 50.00% |  | 45.00% |  |
License [Member] |  |  |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax |  |  |  |  | $ 0 | 3,286
Cost of Product and Service Sold |  |  |  |  | $ 0 | $ 825
License [Member] | Selenix [Member] | Selenix Agreement [Member] |  |  |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax |  |  | $ 1,500 |  |  |
Cost of Product and Service Sold |  |  | $ 675 |  |  |

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