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Note 11 - Income Taxes	3 Months Ended
	Dec. 31, 2023
Notes to Financial Statements
Income Tax Disclosure [Text Block]	11.  Income Taxes Provision for income taxes consists of the estimated liability for state income taxes owed by the Company.  Net operating loss carryforwards are estimated to be sufficient to offset any potential taxable income for all periods presented. During the three months ended December 31, 2023 and 2022, the Company recognized a provision for income taxes of $5 and $6, respectively.

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The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information.

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