Note 7 - Stock Options and Restricted Shares (Details Textual) - USD ($)									1 Months Ended	3 Months Ended		9 Months Ended
	Jun. 17, 2024	Jun. 03, 2024	Apr. 17, 2024	Feb. 28, 2024	Feb. 23, 2024	Feb. 14, 2024	Jan. 18, 2024	Jan. 07, 2022	Nov. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Number (in shares)										3,498,196		3,498,196
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares)												2,778
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (in dollars per share)												$ 2.65
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value										$ 250,200		$ 250,200
Share-Based Payment Arrangement, Expense										17,962	$ 1,105,074	1,871,386	$ 1,297,384
Chief Financial Officer [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares)					100,000
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (in dollars per share)					$ 2.44
Share-Based Payment Arrangement, Option [Member] | Chief Financial Officer [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period (Year)					10 years
Performance Options [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares)				2,000,000
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (in dollars per share)				$ 2.75
Restricted Stock [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year)									6 months
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)									65,660
Share-Based Payment Arrangement, Expense										$ 0		$ 58,671
Share-Based Payment Arrangement, Employee [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares)	100,000	20,000	20,000			25,000
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (in dollars per share)	$ 1.76	$ 1.49	$ 2.2			$ 2.66
Share-Based Payment Arrangement, Employee [Member] | Share-Based Payment Arrangement, Option [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year)	36 months	36 months	36 months			36 years
Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period (Year)	10 years	10 years	10 years					10 years
Convertible Note Agreement [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares)							800,000
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (in dollars per share)							$ 1.5