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Consolidated Statements of Comprehensive Loss (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Statement of Comprehensive Income [Abstract]
Net loss	$ (11,614)	$ (19,547)	$ (41,953)	$ (64,218)
Other comprehensive gain (loss):
Unrealized gain (loss) on marketable securities and money market funds	16	16	208	(314)
Total other comprehensive gain (loss)	16	16	208	(314)
Comprehensive loss	$ (11,598)	$ (19,531)	$ (41,745)	$ (64,532)

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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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