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BALANCE SHEET DETAILS - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands		1 Months Ended	3 Months Ended		9 Months Ended		12 Months Ended
	Jan. 05, 2024	Jun. 30, 2025	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2024	Apr. 01, 2024	Feb. 08, 2024
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Gain on investment	$ 1,700		$ 850	$ (8)	$ 850	$ 1,495
Note receivable, principal amount									$ 1,000
Note receivable, interest rate									15.00%
Note receivable, prepayable without penalty, aggregate value, maximum									$ 3,000
Note receivable, conversion price (in usd per share)									$ 8.50
Fair value conversion feature				0		0		$ 200
Marketable securities				$ 200		$ 200
Credit loss							$ 1,000
Interest recovered		$ 200
Legal fees recovered		$ 100

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