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Summary of Operations and Significant Accounting Policies - Summary of Activity for Contract Liabilities (Details) - USD ($) $ in Thousands | 12 Months Ended
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Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2022
Organization, Consolidation and Presentation of Financial Statements [Abstract] |  |  |
Beginning balance | $ 8,018 | $ 7,231 | $ 1,624
New deposits | 5,442 | 4,058 | 7,231
Deferred revenue | 168 | 169 |
Revenue recognized | (4,663) | (3,005) | (1,624)
Adjustment |  | (435) |
Ending balance | $ 8,965 | $ 8,018 | $ 7,231

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- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479837/606-10-45-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 8 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-8 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479837/606-10-45-2 + Details
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