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Maximum beneficial ownership of convertible preferred stock.

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Per share or per unit amount by which the current fair value of the underlying stock exceeds the exercise price of options nonvested.

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In relation to the combined purchase price of units issued.

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Exercise price per share or per unit of warrants or rights outstanding.

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Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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The cash outflow for cost incurred directly with the issuance of an equity security.

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Per share conversion price of preferred stock.

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Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.

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The cash inflow from the issuance of common stock, preferred stock, treasury stock, stock options, and other types of equity.

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Number of shares authorized for issuance under share-based payment arrangement.

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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Gross number of share options (or share units) granted during the period.

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Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Expected term of award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Per share or per unit amount of equity securities issued.

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-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (bbb)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

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Note 6 - Capital Shares (Details Textual)			1 Months Ended	3 Months Ended			6 Months Ended
Note 6 - Capital Shares (Details Textual)	Feb. 12, 2025 USD ($) $ / shares shares	Oct. 30, 2024 USD ($) $ / shares Rate shares	May 01, 2025 shares	Mar. 31, 2025 USD ($) $ / shares shares	Mar. 31, 2024 USD ($) $ / shares shares	Dec. 31, 2023	Mar. 31, 2025 USD ($) $ / shares shares	Mar. 31, 2024 USD ($) $ / shares shares	Oct. 31, 2024 USD ($)	Sep. 30, 2024 $ / shares	Sep. 30, 2023 $ / shares
Class of Warrant or Right, Exercise Price of Warrants or Rights \| $ / shares				$ 15.35	$ 21.76		$ 15.35	$ 21.76		$ 21.74	$ 19.51
Class of Warrant or Right, Issued During Period							326,560
Stock Issued During Period, Value, New Issues \| $				$ 6,870,373	$ 275,765		$ 7,497,133	$ 590,966
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term								5 years
Class of Warrant or Right, Outstanding, Weighted Average Remaining Contractual Term							34 months
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross								500
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term							74 months
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Exercise Price \| $ / shares				$ 24.66			$ 24.66
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Intrinsic Value Per Share \| $ / shares				$ 0			$ 0
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term							72 months
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Nonvested, Number of Shares				33,354			33,354
Share-Based Compensation Arrangement by Share-Based Payment Award, Option, Nonvested, Weighted Average Exercise Price \| $ / shares				$ 7.12			$ 7.12
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Nonvested, Intrinsic Value Per Share \| $ / shares				$ 0			$ 0
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Nonvested, Weighted Average Remaining Contractual Term							98 months
Share-Based Payment Arrangement, Nonemployee [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross				0	0		0	0
Share-Based Payment Arrangement, Employee [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross				0	500		0	500
The 2019 Plan [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized				642,737			642,737
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant				85,329			85,329
Share-Based Payment Arrangement, Option [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term							5 years
Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period						10 years	10 years
Share-Based Payment Arrangement, Expense \| $				$ 100,000	$ 100,000		$ 100,000	$ 300,000
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount \| $				100,000			$ 100,000
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition							18 months
Restricted Stock Units (RSUs) [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period							10 years
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount \| $				$ 0			$ 0
Chief Executive Officer, Secretary, and Director [Member] \| Warrant Shares [Member]
Class of Warrant or Right, Exercise Price of Warrants or Rights \| $ / shares		$ 3.445
Class of Warrant or Right, Issued During Period		326,560
Warrants and Rights Outstanding, Term		5 years
Class of Warrant or Right, Maximum Beneficial Ownership \| Rate		19.99%
H.C. Wainwright & Co., LLC [Member]
Stock Issued During Period, Shares, New Issues							304,057
Equity Offering, Maximum Amount \| $									$ 3,870,000
Stock Issued During Period, Value, New Issues \| $							$ 800,000
Payments of Stock Issuance Costs \| $							25,000,000,000
H.C. Wainwright & Co., LLC [Member] \| Subsequent Event [Member]
Stock Issued During Period, Shares, New Issues			0
February 2025 Series B-1 Purchase Agreement [Member]
Proceeds from Issuance or Sale of Equity \| $	$ 15,000,000						15,000,000
October 2024 SPA [Member] \| Chief Executive Officer, Secretary, and Director [Member]
Proceeds from Issuance or Sale of Equity \| $		$ 1,540,819					$ 1,500,000
Equity Offering, Maximum Amount \| $		$ 5,000,000
Units Issued, Percentage of Underlying Conversion Shares		75.00%
Units Issued, Combined Purchase Price \| $ / shares		$ 10,272.13
Equity Offering, Maximum Without Approval \| $		$ 0.02
Series B-1 Preferred Stock [Member] \| February 2025 Series B-1 Purchase Agreement [Member]
Stock Issued During Period, Shares, New Issues	834
Preferred Stock, Par or Stated Value Per Share \| $ / shares	$ 10,000
Preferred Stock, Convertible, Conversion Ratio	5,208
Preferred Stock, Convertible, Conversion Price \| $ / shares	$ 1.92
Shares Issued, Price Per Share \| $ / shares	$ 10,000
Common Stock [Member] \| February 2025 Series B-1 Purchase Agreement [Member]
Stock Issued During Period, Shares, New Issues	3,468,746
Shares Issued, Price Per Share \| $ / shares	$ 1.92
Series A-1 Preferred Stock [Member] \| October 2024 SPA [Member] \| Chief Executive Officer, Secretary, and Director [Member]
Stock Issued During Period, Shares, New Issues		150
Preferred Stock, Par or Stated Value Per Share \| $ / shares		$ 10,000
Preferred Stock, Convertible, Conversion Ratio		2,903
Preferred Stock, Convertible, Conversion Price \| $ / shares		$ 3.445
Equity Offering, Maximum Amount \| $		$ 5,000,000
Preferred Stock, Convertible, Shares Issuable		435,414
Preferred Stock, Convertible, Maximum Beneficial Ownership		19.99%
Preferred Stock, Dividend Rate, Percentage		10.00%