Details of Certain Financial Statement Components - Changes in the carrying amount of goodwill (Details) - USD ($) $ in Thousands	6 Months Ended
Jun. 30, 2026	Jun. 30, 2025
Details of Certain Financial Statement Components
Balance at the beginning of the year	$ 2,586	$ 2,658
Adjustment to goodwill, acquisition price allocation of Conductive Transfers		(232)
Adjustment to goodwill, foreign currency exchange rate changes	(44)	200
Balance at the end of the year	$ 2,542	$ 2,626

Amount, after accumulated impairment loss, of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized.

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+ Details