Note 1 - Organization and Summary of Significant Accounting Policies - Disaggregation of Revenue (Details) - USD ($)	3 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Revenues, Total	$ 5,375,405	$ 6,085,218
Sales Channel [Member] | Revenue Benchmark [Member]
Concentration Risk, Percentage	100.00%	100.00%
Sales Channel, Directly to Consumer [Member]
Revenues, Total	$ 4,424,006	$ 4,906,205
Sales Channel, Directly to Consumer [Member] | Sales Channel [Member] | Revenue Benchmark [Member]
Concentration Risk, Percentage	82.30%	80.60%
Sales Channel, Through Intermediary [Member]
Revenues, Total	$ 951,399	$ 1,179,013
Sales Channel, Through Intermediary [Member] | Sales Channel [Member] | Revenue Benchmark [Member]
Concentration Risk, Percentage	17.70%	19.40%