Property and Equipment, net - Schedule of Property and Equipment, Net (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024	Dec. 31, 2023
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross		$ 12,272	$ 12,915
Less: accumulated depreciation and amortization		(7,887)	(6,151)
Property and equipment, net	$ 0	4,385	6,764
Sale lease-back asset		3,400
Finance lease, ROU assets		3,200	2,900
Sale leaseback transaction, accumulated depreciation		1,500	900
Finance lease, accumulated amortization		2,300	1,700
Computer software
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross		508	903
Lab equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross		11,157	11,392
Office furniture
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross		267	267
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross		$ 340	340
Construction in progress
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross			$ 13

Amount of accumulated amortization of right-of-use asset from finance lease.

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Amount of accumulated depreciation and amortization from plant, property, and equipment and right-of-use asset from finance lease.

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The accumulated depreciation and amortization related to the asset(s) sold in connection with the property sold to another party and leased back to the seller.

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