Leases - Narrative (Details) ft² in Thousands, $ in Thousands	Jun. 30, 2026 USD ($)	Dec. 31, 2025 USD ($)	May 31, 2025 ft²
Lessee, Lease, Description [Line Items]
Lease term			45 months
Operating lease right-of-use assets	$ 1,271	$ 1,469
Operating lease liability, current	471	435
Operating lease liability, noncurrent	$ 966	$ 1,209
Remaining lease term	2 years 8 months 12 days
Operating lease, discount rate	10.60%
Waltham, Massachusetts \| Building
Lessee, Lease, Description [Line Items]
Area of office space (in sqft) \| ft²			25

Area of a real estate property.

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