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Note 6 - Accrued Liabilities (Tables) | 3 Months Ended
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Dec. 31, 2022
Notes Tables |
Schedule of Accrued Liabilities [Table Text Block] |
|  | As of December 31, 2022 |  |  | As of September 30, 2022 |
Compensation and benefits |  | $ | 559 |  |  | $ | 477 |
Professional fees |  |  | 156 |  |  |  | 186 |
Taxes |  |  | 127 |  |  |  | 98 |
Insurance |  |  | 140 |  |  |  | - |
Other |  |  | 337 |  |  |  | 234 |
Balance at end of period |  | $ | 1,319 |  |  | $ | 995 |

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- Definition Tabular disclosure of the components of accrued liabilities. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
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Balance Type: | na
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- References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration