Details of Certain Financial Statement Components - Changes in the carrying amount of goodwill (Details) - USD ($) $ in Thousands	6 Months Ended
Jun. 30, 2025	Jun. 30, 2024
Details of Certain Financial Statement Components
Balance at the beginning of the year	$ 2,658	$ 2,461
Adjustment to goodwill, acquisition price allocation of Conductive Transfers	(232)
Adjustment to goodwill, foreign currency exchange rate changes	200	(23)
Balance at the end of the year	$ 2,626	$ 2,438

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