Note 1 - Organization and Summary of Significant Accounting Policies - Disaggregation of Revenue (Details) - USD ($)	3 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Revenues, Total	$ 5,113,476	$ 5,375,405
Sales Channel [Member] | Revenue Benchmark [Member]
Concentration Risk, Percentage	100.00%	100.00%
Sales Channel, Directly to Consumer [Member]
Revenues, Total	$ 3,952,729	$ 4,424,006
Sales Channel, Directly to Consumer [Member] | Sales Channel [Member] | Revenue Benchmark [Member]
Concentration Risk, Percentage	77.30%	82.30%
Sales Channel, Through Intermediary [Member]
Revenues, Total	$ 1,160,747	$ 951,399
Sales Channel, Through Intermediary [Member] | Sales Channel [Member] | Revenue Benchmark [Member]
Concentration Risk, Percentage	22.70%	17.70%