Percentage of the combined domestic federal and state statutory tax rate applicable to pretax income (loss).

No definition available.

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- Definition

The percent settlement on the research tax credits.

+ References

No definition available.

+ Details

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- Definition

Tax year that remains open to examination under enacted tax laws, in YYYY format.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 15
-Subparagraph (e)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482685/740-10-50-15

+ Details

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- Definition

Amount of increase in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 217
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482663/740-10-55-217

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 15A
-Subparagraph (a)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482685/740-10-50-15A

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- Details

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Note 12 - Income Taxes (Details Textual) - USD ($)	3 Months Ended		9 Months Ended		12 Months Ended
Note 12 - Income Taxes (Details Textual) - USD ($)	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2019
Effective Income Tax Rate Reconciliation, at Federal and State Statutory Income Tax Rate, Percent	25.74%	25.74%	25.74%	25.74%
Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions	$ 0		$ 0		$ 0	$ 273,936
Income Tax Jurisdiction, Domestic Federal [Member] \| Internal Revenue Service (IRS) [Member]
Research Tax Credits, Settlement, Percentage							40.00%
Open Tax Year					2018 2019
Income Tax Jurisdiction, Domestic State and Local [Member] \| Virginia, Jurisdiction [Member]
Open Tax Year					2022 2023 2024 2025