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Note 9 - Commitments	6 Months Ended
	Jun. 30, 2024
Notes to Financial Statements
Leases And Commitments Disclosure [Text Block]	Note 9. Commitments The Company conducts its product research and development programs through a combination of internal and collaborative programs that include, among others, arrangements with universities, contract research organizations and clinical research sites. The Company has contractual arrangements with these organizations that are cancelable. The Company’s obligations under these contracts are largely based on services performed.

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