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Summary of Significant Accounting Policies - Narrative (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended		12 Months Ended
	Jan. 01, 2026	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025	Dec. 31, 2025
Product Information [Line Items]
Revenue		$ 15,919	$ 4,440	$ 22,026	$ 7,827
Foreign currency transaction gains (losses)		300	(300)	400	(500)
Operating lease expense		500	400	1,009	821
Research and development expense		1,500	1,200	2,900	2,600
Equity securities, unrealized gain (loss)	$ 5,300	7,900		$ 6,400
Officina Stellare
Product Information [Line Items]
Equity ownership percentage	4.70%
Two Customers
Product Information [Line Items]
Revenue		$ 11,600
Two Customers \| Accounts Receivable \| Customer Concentration Risk
Product Information [Line Items]
Concentration risk, percentage				74.00%
One Customer \| Accounts Receivable \| Customer Concentration Risk
Product Information [Line Items]
Concentration risk, percentage						66.00%
Three Customers
Product Information [Line Items]
Revenue			$ 3,100	$ 14,300
Four Customers
Product Information [Line Items]
Revenue					$ 6,100