Note 2 - Sale and Deconsolidation of GMI and Discontinued Operations (Details Textual) - USD ($)			3 Months Ended			5 Months Ended
	Aug. 09, 2023	Mar. 17, 2023	Mar. 31, 2024	Sep. 30, 2023	Mar. 31, 2023	Aug. 09, 2023
Income (Loss) from Equity Method Investments			$ 0		$ (23,872)
Business Combination, Contingent Consideration, Asset, Noncurrent		$ 682,000
Share-based Compensation Arrangement by Share-based Payment Award, Income Previously Recognized As Stocked Based Compensation Expense					$ 407,322
GMI Employees [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures in Period (in shares)					715,000
Employees Who Resigned From Wavedancer [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures in Period (in shares)					527,500
GMI Subsidiary [Member]
Discontinued Operation, Gain (Loss) on Disposal of Discontinued Operation, Net of Tax					$ 100,615
GMDC [Member]
Business Combination, Consideration Transferred		$ 935,974
Business Combination, Contingent Annual Payments, Percentage	5.00%	5.00%				5.00%
Estimate Payments for Administrative Services		$ 65,000
Payments to Acquire Businesses, Gross		1,000,974
Business Combination, Contingent Consideration, Asset, Noncurrent				$ 682,000
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Asset	$ 1,000,000			1,000,000
Contingent Consideration, Gain (loss)	318,000			$ 318,000
GMDC [Member] | Prepaid Expenses and Other Current Assets [Member]
Business Combination, Operating Expense Payment Receivable		$ 133,148
GMDC [Member]
Equity Method Investment, Ownership Percentage		24.90%
Income (Loss) from Equity Method Investments						$ (245,525)
Proceeds from Sale of Equity Method Investments	400,000
Gain (Loss) on Disposition of Stock in Subsidiary or Equity Method Investee	$ 64,525