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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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