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FAIR VALUE MEASUREMENT (Tables) | 9 Months Ended
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Jun. 30, 2025
Fair Value Disclosures [Abstract] |
Schedule of Fair Value of Investments Measured on Recurring Basis | The following tables represent the fair value hierarchy of the Company’s investments as of June 30, 2025 and September 30, 2024, respectively (amounts in thousands):
June 30, 2025: | Balance |  | Quoted Prices in Active Markets (Level 1) |  | Significant Other Observable Inputs (Level 2) |  | Significant Unobservable Inputs (Level 3)
Assets: |  |  |  |  |  |  |
Short-term investments: |  |  |  |  |  |  |
Commercial paper | $ | 17,274 |  |  | $ | — |  |  | $ | 17,274 |  |  | $ | — |
U.S. Government and agency securities, short-term | 1,488 |  |  | — |  |  | 1,488 |  |  | — |
Corporate debt securities | 21,185 |  |  | — |  |  | 21,185 |  |  | — |
Total short-term investments at fair value | 39,947 |  |  | — |  |  | 39,947 |  |  | — |
Long-term investments: |  |  |  |  |  |  |
U.S. Government and agency securities | 499 |  |  | — |  |  | 499 |  |  | — |
Corporate debt securities | 7,805 |  |  | — |  |  | 7,805 |  |  | — |
Total long-term investments at fair value | 8,304 |  |  | — |  |  | 8,304 |  |  | — |
Total assets at fair value | $ | 48,251 |  |  | $ | — |  |  | $ | 48,251 |  |  | $ | — |
September 30, 2024: | Balance |  | Quoted Prices in Active Markets (Level 1) |  | Significant Other Observable Inputs (Level 2) |  | Significant Unobservable Inputs (Level 3)
Assets: |  |  |  |  |  |  |
Short-term investments: |  |  |  |  |  |  |
U.S. Treasury | $ | 3,836 |  |  | $ | — |  |  | $ | 3,836 |  |  | $ | — |
Commercial paper | 15,984 |  |  | — |  |  | 15,984 |  |  | — |
Corporate debt securities | 17,064 |  |  | — |  |  | 17,064 |  |  | — |
Total short-term investments at fair value | 36,884 |  |  | — |  |  | 36,884 |  |  | — |
Long-term investments: |  |  |  |  |  |  |
Corporate debt securities | 11,410 |  |  | — |  |  | 11,410 |  |  | — |
Total long-term investments at fair value | 11,410 |  |  | — |  |  | 11,410 |  |  | — |
Total assets at fair value | $ | 48,294 |  |  | $ | — |  |  | $ | 48,294 |  |  | $ | — |

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- Definition Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
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