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v3.23.1

Note 5 - Trade Accounts and Notes Receivable (Tables) | 6 Months Ended
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Mar. 31, 2023
Notes Tables |
Schedule of Accounts Receivable [Table Text Block] |
|  | March 31, 2023 |  |  | September 30, 2022 |
Trade accounts receivable |  | $ | 21,631 |  |  | $ | 13,252 |
Allowance for doubtful accounts |  |  | (706 | ) |  |  | (591 | )
Total |  | $ | 20,925 |  |  | $ | 12,661 |
Schedule of Notes Receivables [Table Text Block] |
|  | March 31, 2023 |  |  | September 30, 2022 |
Notes receivable |  | $ | 4,983 |  |  | $ | 8,225 |
Less current portion |  |  | (4,983 | ) |  |  | (8,225 | )
Non-current notes receivable |  | $ | — |  |  | $ | — |

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- Definition Tabular disclosure of accounts receivable. + References No definition available. + Details
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- Definition Tabular disclosure of notes receivable. + References No definition available. + Details
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Namespace Prefix: | geos_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
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Period Type: | duration