Note 5 - Accounts Receivable and Concentration of Credit Risk (Tables)

12 Months Ended

Sep. 30, 2024

Notes Tables

Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]

	2024			2023
Trade receivables, gross	$	7,897,739		$	8,445,370
Less: allowance for credit losses		(3,923,857	)		(3,923,857	)
Less: allowance for sales returns and payment term discounts		(13,577	)		(15,005	)
Accounts receivable, net	$	3,960,305		$	4,506,508

Accounts Receivable, Allowance for Credit Loss [Table Text Block]

	2024		2023
Beginning balance	$	3,923,857	$	12,143
Charge-offs, net of recoveries		—		3,911,714
Ending balance	$	3,923,857	$	3,923,857