Note 16 - Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($)	Sep. 30, 2025	Sep. 30, 2024
Depreciation & Amortization	$ 146,295	$ 73,209
Allowance For Doubtful Accounts	364,969	364,969
Stock Comp Expense	42,715	42,715
Gross deferred tax assets	1,330,367	1,305,286
Valuation allowance	(1,330,367)	(1,305,286)
Total deferred tax assets	0	0
Domestic Tax Jurisdiction [Member] \| Internal Revenue Service (IRS) [Member]
Federal Net operating loss carryovers	282,489	333,942
Federal R&D Credit	316,772	316,772
State and Local Jurisdiction [Member] \| New Jersey Division of Taxation [Member]
Federal Net operating loss carryovers	177,127	173,679
Federal R&D Credit	$ 0	$ 0

Amount before allocation of valuation allowances of deferred tax asset attributable to allowance for doubtful accounts.

No definition available.

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- Definition

Represents net property plant and equipment for deferred tax assets.

+ References

No definition available.

+ Details

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- Definition

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482685/740-10-50-2

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- Definition

Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482685/740-10-50-2

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- Definition

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482685/740-10-50-6

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- Definition

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible research tax credit carryforwards.

+ References

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- Definition

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from share-based compensation.

+ References

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- Definition

Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482685/740-10-50-2

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