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Fair Value Measurements - Narrative (Details) - USD ($) $ in Thousands |  | 3 Months Ended | 9 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | ---
Dec. 03, 2019 | Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024 | Dec. 31, 2024 | Feb. 05, 2024
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |  |
Deposits for leases |  | $ 1,600 |  | $ 1,600 |  | $ 1,500 |
Acquisition-related contingent consideration, net of current portion |  | 583 |  | 583 |  | 561 |
Current portion of acquisition-related contingent consideration |  | 13,571 |  | 13,571 |  | 16,981 |
Short-term investments |  | 50,855 |  | 50,855 |  | 50,354 |
Short term investments fair value |  | 50,900 |  | 50,900 |  | 50,400 |
NanoString |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |  |
Additional cash to be paid | $ 10,000 |  |  |  |  |  |
Acquisition-related contingent consideration, net of current portion | $ 6,100 | 2,300 |  | 2,300 |  | 3,300 |
Contingent consideration expense (reversal of expense) |  | 0 | $ 0 | (1,000) | $ 100 |  |
Current portion of acquisition-related contingent consideration |  | 1,700 |  | 1,700 |  |  |
C2i Inc |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |  |
Acquisition-related contingent consideration, net of current portion |  | 11,900 |  | 11,900 |  | 14,300 | $ 17,200
Contingent consideration expense (reversal of expense) |  | 100 | $ 400 | (1,700) | $ 1,200 |  |
Maximum contingent consideration to be paid |  |  |  |  |  |  | $ 25,000
Cash payment of contingent consideration for acquisition |  |  |  | 700 |  | 5,000 |
US Treasury Bill Securities |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |  |
Cash and cash equivalents |  |  |  |  |  | 50,400 |
Money Market Funds |  |  |  |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |  |  |
Cash and cash equivalents |  | $ 2,800 |  | $ 2,800 |  | $ 1,600 |

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