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Condensed Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Statement of Comprehensive Income [Abstract]
Net loss	$ (9,130)	$ (8,344)	$ (17,251)	$ (17,747)
Other comprehensive loss:
Unrealized pension actuarial gain	78	0	78	0
Unrealized gains (losses) on available-for-sale securities, net of tax	8	(16)	2	(82)
Comprehensive loss	$ (9,044)	$ (8,360)	$ (17,171)	$ (17,829)

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Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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