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Note 3 - Accounts Receivable | 3 Months Ended
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Dec. 31, 2022
Notes to Financial Statements |
Loans, Notes, Trade and Other Receivables Disclosure [Text Block] | 3. Accounts Receivable Accounts receivable consist of the following:
|  | As of December 31, 2022 |  |  | As of September 30, 2022 |
Accounts receivable |  | $ | 1,767 |  |  | $ | 1,332 |
Allowance for doubtful accounts |  |  | (178 | ) |  |  | (150 | )
Accounts receivable, net |  | $ | 1,589 |  |  | $ | 1,182 |
As of December 31, 2022 and September 30, 2022, no customer exceeded 10% of accounts receivable.

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- Definition The entire disclosure for claims held for amounts due a entity, excluding financing receivables. Examples include, but are not limited to, trade accounts receivables, notes receivables, loans receivables. Includes disclosure for allowance for credit losses. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -URI https://asc.fasb.org/subtopic&trid=2196772 + Details
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