Note 5 - Intangible Assets (Details Textual)					3 Months Ended		6 Months Ended
	Dec. 28, 2023 USD ($)	Dec. 10, 2021 USD ($)	Sep. 07, 2021 USD ($)	Apr. 16, 2021 USD ($)	Jun. 30, 2024 USD ($)	Jun. 30, 2023 USD ($)	Jun. 30, 2024 USD ($)	Jun. 30, 2023 USD ($)
Amortization of Intangible Assets					$ 503,374	$ 500,451	$ 1,006,748	$ 1,000,902
American Science and Technology Corporation (“AST”) [Member] | Asset Purchase Agreement [Member]
Asset Acquisition, Consideration Transferred				$ 3,500,000
Flux Photon Corporation (“FPC”) [Member] | Asset Purchase Agreement [Member]
Asset Acquisition, Consideration Transferred	$ 16,850,000		$ 17,650,000
Asset Acquisition, Percentage of Future Monthly Consolidated Sales			20.00%
Payments to Acquire Productive Assets	200,000	$ 350,000
Asset Acquisition, Contingent Consideration, Liability	$ 16,650,000	$ 17,650,000
Ownership Percentage	100.00%
Licensing Agreements [Member] | American Science and Technology Corporation (“AST”) [Member]
Number of License Agreements					3		3
License Agreement, Number of Facilities					3		3
License Agreement, Number of Facility Specific Fees					3		3
License Agreement, Fee Amount					$ 500,000		$ 500,000
Royalty Fee Percentage					1.00%		1.00%
Payments for Royalties							$ 0