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Fair Value Measurements (Tables) | 12 Months Ended
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Sep. 30, 2024
Fair Value Disclosures [Abstract] |
Schedule of Unrealized Gain (Loss) on Investments | The following tables present the Company’s cash equivalents and marketable securities’ costs, gross unrealized gains and losses, and fair value by major security type recorded as cash equivalents or short-term or long-term marketable securities as of September 30, 2024 and 2023. Unrealized gains and losses from the remeasurement of marketable securities are recorded in accumulated other comprehensive loss until recognized in earnings upon the sale or maturity of the security.
|  | September 30, 2024 |
|  | Cost Basis |  |  | Unrealized Gain |  |  | Unrealized Loss |  |  | Fair Value |  |  | Cash Equivalents |  |  | Short-term Securities |  |  | Long-term Securities |
Level 1: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Money market funds |  | $ | 301 |  |  | $ | — |  |  | $ | — |  |  | $ | 301 |  |  | $ | 301 |  |  | $ | — |  |  | $ | — |
Level 2: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Certificates of deposit |  |  | 401 |  |  |  | — |  |  |  | — |  |  |  | 401 |  |  |  | 152 |  |  |  | — |  |  |  | 249 |
U.S. government agency bonds |  |  | 2,591 |  |  |  | 3 |  |  |  | — |  |  |  | 2,594 |  |  |  |  |  |  | 2,594 |  |  |  | — |
Municipal securities |  |  | 2,127 |  |  |  | 2 |  |  |  | — |  |  |  | 2,129 |  |  |  | — |  |  |  | 2,129 |  |  |  | — |
Corporate bonds |  |  | 3,219 |  |  |  | 3 |  |  |  | — |  |  |  | 3,222 |  |  |  | — |  |  |  | 3,222 |  |  |  | — |
Subtotal |  |  | 8,338 |  |  |  | 8 |  |  |  | — |  |  |  | 8,346 |  |  |  | 152 |  |  |  | 7,945 |  |  |  | 249 |
Total |  | $ | 8,639 |  |  | $ | 8 |  |  | $ | — |  |  | $ | 8,647 |  |  | $ | 453 |  |  | $ | 7,945 |  |  | $ | 249 |
|  | September 30, 2023 |
|  | Cost Basis |  |  | Unrealized Gain |  |  | Unrealized Loss |  |  | Fair Value |  |  | Cash Equivalents |  |  | Short-term Securities |  |  | Long-term Securities |
Level 1: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Money market funds |  | $ | 2,307 |  |  | $ | — |  |  | $ | — |  |  | $ | 2,307 |  |  | $ | 2,307 |  |  | $ | — |  |  | $ | — |
Level 2: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Certificates of deposit |  |  | 301 |  |  |  | — |  |  |  | — |  |  |  | 301 |  |  |  | — |  |  |  | 301 |  |  |  | — |
Municipal securities |  |  | 926 |  |  |  | — |  |  |  | (7 | ) |  |  | 919 |  |  |  | — |  |  |  | 919 |  |  |  | — |
Corporate bonds |  |  | 264 |  |  |  | — |  |  |  | (3 | ) |  |  | 261 |  |  |  | — |  |  |  | 261 |  |  |  | — |
Subtotal |  |  | 1,491 |  |  |  | — |  |  |  | (10 | ) |  |  | 1,481 |  |  |  | — |  |  |  | 1,481 |  |  |  | — |
Total |  | $ | 3,798 |  |  | $ | — |  |  | $ | (10 | ) |  | $ | 3,788 |  |  | $ | 2,307 |  |  | $ | 1,481 |  |  | $ | — |
Schedule of Debt Securities, Available-for-Sale, Unrealized Loss Position, Fair Value | The following table summarizes the fair value and gross unrealized losses related to available-for-sale debt securities, aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position as of September 30, 2023:
|  | As of September 30, 2023 |
|  | In loss position < 12 months |  |  | In loss position > 12 months |  |  | Total in loss position |
|  | Fair Value |  |  | Gross Unrealized Loss |  |  | Fair Value |  |  | Gross Unrealized Loss |  |  | Fair Value |  |  | Gross Unrealized Loss |
Certificates of deposit |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |
U.S. government agency bonds |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Municipal securities |  |  | 684 |  |  |  | (2 | ) |  |  | 235 |  |  |  | (5 | ) |  |  | 919 |  |  |  | (7 | )
Corporate bonds |  |  | — |  |  |  | — |  |  |  | 261 |  |  |  | (3 | ) |  |  | 261 |  |  |  | (3 | )
|  | $ | 684 |  |  | $ | (2 | ) |  | $ | 496 |  |  | $ | (8 | ) |  | $ | 1,180 |  |  | $ | (10 | )
Schedule of Business Combination, Fair Value Measurement of Acquired Intangible Assets | The following table presents nonfinancial assets that were subject to fair value measurement during the twelve months ended September 30, 2024. Certain intangible assets, operating lease ROU assets and goodwill are subject to foreign currency translation adjustments.
|  |  |  |  | Fair Value Measurements at September 30, 2024 |
Carrying Value |  | Carrying Value |  |  | (Level 1) |  |  | (Level 2) |  |  | (Level 3) |  |  | Gain (Loss) |
Intangible assets from Evertel acquisition |  | $ | 2,550 |  |  | $ | — |  |  | $ | — |  |  | $ | 2,550 |  |  | $ | — |
Goodwill from Evertel acquisition |  | $ | 2,923 |  |  | $ | — |  |  | $ | — |  |  | $ | 2,923 |  |  | $ | — |
|  |  |  |  | Fair Value Measurements at September 30, 2023 |
Carrying Value |  | Carrying Value |  |  | (Level 1) |  |  | (Level 2) |  |  | (Level 3) |  |  | Gain (Loss) |
Operating Lease ROU Asset |  | $ | 79 |  |  | $ | — |  |  | $ | — |  |  | $ | 79 |  |  | $ | — |
Schedule of Fair Value, Liabilities Measured on Recurring and Nonrecurring Basis |
Balance as of acquisition date |  | $ | 890 |
Remeasurement adjustment |  |  | (16 | )
Payment |  |  | (874 | )
Balance as of September 30, 2024 |  | $ | — |
Balance as of acquisition date |  | $ | 230 |
Accretion |  |  | 20 |
Balance as of September 30, 2024 |  | $ | 250 |

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- Definition Tabular disclosure of liabilities measured at fair value measured on a recurring or nonrecurring basis. Includes, but is not limited to, fair value measurements recorded and the reasons for the measurements, level within the fair value hierarchy in which the fair value measurements are categorized and transfers between levels 1 and 2. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -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/2003/role/disclosureRef -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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