Note 15 - Income Taxes - Significant Components of Deferred Income Taxes (Details) - USD ($)	Sep. 30, 2025	Sep. 30, 2024
Net operating loss carryforwards	$ 15,651,000	$ 15,478,000
ROU - Liability	174,000	22,000
Capital loss carryforward	112,000	702,000
Allowance for doubtful accounts	134,000	77,000
Stock compensation	483,000	481,000
Intangibles	244,000	176,000
Investments	551,000	573,000
Accrued expenses	113,000	101,000
Inventory reserve	11,000	0
Fixed Assets	46,000	57,000
Capitalized expenses	159,000	146,000
Charitable contributions	8,000	13,000
Total deferred tax assets	17,686,000	17,826,000
Prepaid Expenses	(68,000)	(76,000)
ROU - Assets	(157,000)	(19,000)
Intangibles	0	0
Total deferred tax liabilities	(225,000)	(95,000)
Net deferred tax assets	17,461,000	17,731,000
Valuation allowance	(17,461,000)	(17,731,000)
Net deferred tax liability	$ 0	$ 0