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Note 10 - Related-party Transactions (Details Textual) - USD ($) $ in Thousands			1 Months Ended		3 Months Ended		9 Months Ended
	Aug. 31, 2024	Aug. 30, 2024	Jun. 30, 2025	Mar. 31, 2025	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Revenue from Contract with Customer, Excluding Assessed Tax					$ 22,459	$ 10,324	$ 58,669	$ 27,364
Cost of Product and Service Sold					14,604	4,022	29,029	10,429
Selenix [Member] | Messa Holdings LLC [Member]
Equity Method Investment, Ownership Percentage			50.00%
Selenix [Member] | Selenix Agreement [Member]
Related Party Transaction, Amounts of Transaction			$ 675
Chief Executive Officer [Member] | Messa Holdings LLC [Member]
Ownership Percentage			100.00%
DS-200 [Member] | Selenix [Member] | Selenix Agreement [Member]
Commitment, Allocation of Profits, Percentage	45.00%	50.00%
License [Member]
Revenue from Contract with Customer, Excluding Assessed Tax					0	500	3,286	500
Cost of Product and Service Sold					$ 0	$ 270	$ 825	$ 270
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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