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Income Taxes (Tables) | 12 Months Ended
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Sep. 30, 2023
Income Tax Disclosure [Abstract] |
Schedule of loss before income taxes |
Schedule of loss before income taxes |  |  |  |  |  |
|  | 2023 |  | 2022 |  | 2021
United States |  | $ | (41,198 | ) |  | $ | (40,002 | ) |  | $ | (28,851 | )
Foreign |  |  | (6,300 | ) |  |  | (7,618 | ) |  |  | (8,790 | )
Total |  | $ | (47,498 | ) |  | $ | (47,620 | ) |  | $ | (37,641 | )
Schedule of components of net deferred income tax assets |
Schedule of components of net deferred income tax assets |  |  |  |  |  |
|  | 2023 |  | 2022 |  | 2021
Net operating loss carryforwards |  | $ | 46,462 |  |  | $ | 46,208 |  |  | $ | 34,982 |
Research and development tax credit carryforwards |  |  | 2,713 |  |  |  | 2,182 |  |  |  | 1,577 |
Stock-based compensation |  |  | 18,593 |  |  |  | 13,373 |  |  |  | 10,453 |
Research and development capitalization |  |  | 7,219 |  |  |  | — |  |  |  | — |
Unpaid charges |  |  | 1,559 |  |  |  | 894 |  |  |  | 89 |
Intangible asset costs |  |  | 593 |  |  |  | 388 |  |  |  | 323 |
Foreign exchange and other |  |  | 49 |  |  |  | 44 |  |  |  | 62 |
Valuation allowance of deferred tax assets |  |  | (77,188 | ) |  |  | (63,089 | ) |  |  | (47,486 | )
Net deferred tax assets |  | $ | — |  |  | $ | — |  |  | $ | — |
Schedule of reconciliation of income tax expense |
Schedule of reconciliation of income tax expense |  |  |  |  |  |
|  | 2023 |  | 2022 |  | 2021
Income tax benefit at statutory federal rate |  | $ | (9,975 | ) |  | $ | (10,000 | ) |  | $ | (7,934 | )
Foreign income taxed at other rates |  |  | — |  |  |  | (170 | ) |  |  | (353 | )
Permanent differences relating to stock based compensation |  |  | (601 | ) |  |  | (714 | ) |  |  | (4,379 | )
Permanent differences relating to GILTI inclusion |  |  | 165 |  |  |  | — |  |  |  | — |
Permanent differences relating to Section 162(m) |  |  | — |  |  |  | — |  |  |  | 816 |
Other permanent differences |  |  | 273 |  |  |  | — |  |  |  | 741 |
Adjustment to tax assets based on Section 382 |  |  | — |  |  |  | — |  |  |  | 3,330 |
Research and development credits, net |  |  | (37 | ) |  |  | 232 |  |  |  | 1,042 |
State and local taxes |  |  | (4,122 | ) |  |  | (4,975 | ) |  |  | (7,022 | )
Adjustment to true up to prior years' tax provision |  |  | 206 |  |  |  | 24 |  |  |  | 48 |
Effect of change in statutory tax rates |  |  | — |  |  |  | — |  |  |  | 216 |
State minimum and excise taxes |  |  | — |  |  |  | 358 |  |  |  | 268 |
Change in valuation allowances |  |  | 14,098 |  |  |  | 15,603 |  |  |  | 13,495 |
Income tax expense |  | $ | 7 |  |  | $ | 358 |  |  | $ | 268 |

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