Note 2 - Related Party Transactions	6 Months Ended
Mar. 31, 2022
Notes to Financial Statements
Related Party Transactions Disclosure [Text Block]	2. Related Party Transactions During the three and six months ended March 31, 2022, the Company incurred fees of $30 thousand and $57 thousand as legal expense to a law firm, a partner of which is a director and stockholder of the Company. The Company incurred similar fees of $28 thousand and $60 thousand during the three and six months ended March 31, 2021, respectively. The Company had recorded liabilities of $18 thousand and $16 thousand for unbilled services to the same law firm at March 31, 2022 and September 30, 2021, respectively. On July 20, 2021, the Company entered into a transaction with four investors on identical terms pursuant to which they agreed to purchase, and the Company agreed to issue and sell, an aggregate of 945,946 shares at a price of $3.70 per share (total of $3,500,000). The Company closed on the issuance and sale on July 27, 2021. The Company and the investors also entered into (i) warrant agreements pursuant to which the investors have the right to purchase 141,892 shares at a price of $5.50 per share on or before July 20, 2026 and, (ii) registration rights agreements (“Rights Agreement”) whereby the Company agreed to file a registration statement with the U.S. Securities and Exchange Commission (the “Commission”) within six months after the effective date of the Rights Agreement and further agreed to use its commercially reasonable efforts to have the registration statement declared effective and to ensure that the registration statement remains effective throughout the term of the Rights Agreement. The investors above included Mr. Mark Burish, who purchased $1,250,000 of common stock for a total of 337,838 shares and 50,676 warrants. The Company’s special committee of disinterested directors met several times to discuss and negotiate the terms of the above transactions, including the participation of Mr. Burish. The special committee unanimously approved such terms. Mr. Burish beneficially owns 40% of the Company’s common stock. Mr. Burish also serves as the Chairman of the Board of Directors. All transactions with Mr. Burish were approved by a Special Committee of Disinterested and Independent Directors.

Note 2 - Related Party Transactions

6 Months Ended

Mar. 31, 2022

2. Related Party Transactions

During the three and six months ended March 31, 2022, the Company incurred fees of $30 thousand and $57 thousand as legal expense to a law firm, a partner of which is a director and stockholder of the Company. The Company incurred similar fees of $28 thousand and $60 thousand during the three and six months ended March 31, 2021, respectively. The Company had recorded liabilities of $18 thousand and $16 thousand for unbilled services to the same law firm at March 31, 2022 and September 30, 2021, respectively.

On July 20, 2021, the Company entered into a transaction with four investors on identical terms pursuant to which they agreed to purchase, and the Company agreed to issue and sell, an aggregate of 945,946 shares at a price of $3.70 per share (total of $3,500,000). The Company closed on the issuance and sale on July 27, 2021. The Company and the investors also entered into (i) warrant agreements pursuant to which the investors have the right to purchase 141,892 shares at a price of $5.50 per share on or before July 20, 2026 and, (ii) registration rights agreements (“Rights Agreement”) whereby the Company agreed to file a registration statement with the U.S. Securities and Exchange Commission (the “Commission”) within six months after the effective date of the Rights Agreement and further agreed to use its commercially reasonable efforts to have the registration statement declared effective and to ensure that the registration statement remains effective throughout the term of the Rights Agreement. The investors above included Mr. Mark Burish, who purchased $1,250,000 of common stock for a total of 337,838 shares and 50,676 warrants. The Company’s special committee of disinterested directors met several times to discuss and negotiate the terms of the above transactions, including the participation of Mr. Burish. The special committee unanimously approved such terms.

Mr. Burish beneficially owns 40% of the Company’s common stock. Mr. Burish also serves as the Chairman of the Board of Directors. All transactions with Mr. Burish were approved by a Special Committee of Disinterested and Independent Directors.