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BALANCE SHEET COMPONENTS - Schedule of activity in reserve for obsolescence (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Inventory, Valuation Reserves [Roll Forward] |  |  |  |
Balance as of beginning of period | $ 0 | $ 0 | $ 0 | $ 5
Increase in reserve | 0 | 0 | 0 | 0
Amounts relieved | 0 | 0 | 0 | (5)
Balance as of end of period | $ 0 | $ 0 | $ 0 | $ 0

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- Definition Inventory, Valuation Reserves, Amount Relieved + References No definition available. + Details
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- Definition Amount of valuation reserve for inventory. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 330 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.BB) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480581/330-10-S99-2 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(6)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 + Details
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