Note 13 - Subsequent Events	12 Months Ended
Sep. 30, 2024
Notes to Financial Statements
Subsequent Events [Text Block]	13. Subsequent events On October 4, 2024, the Company entered into an At The Market Offering Agreement with H.C. Wainwright & Co., LLC as a sales agent (HCW ATM) pursuant to which the Company may offer and sell, from time to time, common shares through an at-the-market equity offering program for up to $3.87 million in gross proceeds. The Company has no obligation to sell any of the common shares and may at any time suspend sales or terminate the equity distribution agreement in accordance with its terms. Subsequent to the year ended September 30, 2024, the Company sold a total of 220,269 common shares pursuant to the agreement for net proceeds of approximately $0.6 million after deducting sales commissions. In October 2024, the Company entered into a Securities Purchase Agreement with PN MPC, an entity controlled by Pardeep Nijhawan, the Company’s Chief Executive Officer, Secretary and member of the board of directors of the Company, pursuant to which the Company agreed to issue and sell to PN MPC in a private placement, up to $5 million of shares (Preferred Shares) of the Company’s newly designated Series A-1 Convertible Preferred Shares, stated value $10,000 per share, each of which is initially convertible into approximately 2,903 common shares (Conversion Shares), without par value, of the Company (Common Shares) at a conversion price of $3.445 per Conversion Share, and warrants (Warrants) to purchase Common Shares (Warrant Shares) at an exercise price of $3.445 per Warrant Share. The Preferred Shares and the Warrants are being sold together in a fixed combination of one Preferred Share and a Warrant to purchase a number of Common Shares equal to 75% of the underlying Conversion Shares at a combined purchase price of $10,272.13 per Preferred Share and related Warrants. Under the Purchase Agreement, PN MPC has purchased 150 Preferred Shares initially convertible into an aggregate of 435,414 Conversion Shares and Warrants to purchase up to an aggregate of 326,560 Warrant Shares for an aggregate purchase price of $1,540,819. The Warrants expire five years from the issuance date. As a result of the foregoing transactions and as of the date of this filing, the Company believes it has shareholders’ equity of at least $2.5 million and therefore satisfies the minimum Nasdaq listing requirement set forth in Nasdaq Listing Rule 5550(b)(1).

Note 13 - Subsequent Events

12 Months Ended

Sep. 30, 2024

13. Subsequent events

On October 4, 2024, the Company entered into an At The Market Offering Agreement with H.C. Wainwright & Co., LLC as a sales agent (HCW ATM) pursuant to which the Company may offer and sell, from time to time, common shares through an at-the-market equity offering program for up to $3.87 million in gross proceeds. The Company has no obligation to sell any of the common shares and may at any time suspend sales or terminate the equity distribution agreement in accordance with its terms. Subsequent to the year ended September 30, 2024, the Company sold a total of 220,269 common shares pursuant to the agreement for net proceeds of approximately $0.6 million after deducting sales commissions.

In October 2024, the Company entered into a Securities Purchase Agreement with PN MPC, an entity controlled by Pardeep Nijhawan, the Company’s Chief Executive Officer, Secretary and member of the board of directors of the Company, pursuant to which the Company agreed to issue and sell to PN MPC in a private placement, up to $5 million of shares (Preferred Shares) of the Company’s newly designated Series A-1 Convertible Preferred Shares, stated value $10,000 per share, each of which is initially convertible into approximately 2,903 common shares (Conversion Shares), without par value, of the Company (Common Shares) at a conversion price of $3.445 per Conversion Share, and warrants (Warrants) to purchase Common Shares (Warrant Shares) at an exercise price of $3.445 per Warrant Share. The Preferred Shares and the Warrants are being sold together in a fixed combination of one Preferred Share and a Warrant to purchase a number of Common Shares equal to 75% of the underlying Conversion Shares at a combined purchase price of $10,272.13 per Preferred Share and related Warrants. Under the Purchase Agreement, PN MPC has purchased 150 Preferred Shares initially convertible into an aggregate of 435,414 Conversion Shares and Warrants to purchase up to an aggregate of 326,560 Warrant Shares for an aggregate purchase price of $1,540,819. The Warrants expire five years from the issuance date.

As a result of the foregoing transactions and as of the date of this filing, the Company believes it has shareholders’ equity of at least $2.5 million and therefore satisfies the minimum Nasdaq listing requirement set forth in Nasdaq Listing Rule 5550(b)(1).