| Insider Trading Arrangement | 12 Months Ended | 
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| Sep. 30, 2023 | |
| Notes to Financial Statements | |
| Material Terms of Trading Arrangement [Text Block] | 
 During the quarter ended September 30, 2023, none of our directors or officers informed us of the adoption, modification or termination of a “Rule 10b5-1 trading arrangement” or “non-Rule 10b5-1 trading arrangement,” as those terms are defined in Regulation S-K, Item 408(a). | 
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- Definition The entire disclosure for material terms of trading arrangement. No definition available. 
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- References No definition available. 
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