Minimum amount of purchase arrangement in which the entity has agreed to expend funds to procure goods or services from a supplier.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 942
-SubTopic 235
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477314/942-235-S99-2

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S50
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480738/235-10-S50-4

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 3
-Subparagraph (SX 210.12-04(a))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480678/235-10-S99-3

Name:	us-gaap_PurchaseObligation
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Note 7 - Commitments and Contingencies (Details Textual) - USD ($) $ in Millions	Nov. 02, 2022	Jul. 27, 2022	Sep. 30, 2025
Purchase Obligation			$ 24.5
Himmelberg V. Vaxart, Inc. et al. [Member]
Litigation Settlement, Amount Awarded to Other Party		$ 12.0
Payments for Legal Settlements	$ 2.0
Reimbursable Purchase Agreement Commitment to Vendor [Member]
Purchase Obligation			23.4
Cost-plus-fixed-fees Arrangement Under ATI-RRPV Contract [Member]
Purchase Obligation			$ 25.2