Note 8 - Revenue From Government Contract (Details Textual) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Jun. 12, 2024
Revenue from Contract with Customer, Including Assessed Tax	$ 2,789,484	$ 0	$ 3,090,161	$ 0
BARDA Contract [Member]
Government Assistance, Award Amount					$ 26,200,000
BARDA Contract [Member] | Grant [Member]
Revenue from Contract with Customer, Including Assessed Tax	$ 2,789,484		$ 3,090,161
BARDA Contract [Member] | Maximum [Member]
Government Assistance, Award Amount					$ 45,000,000