Discontinued Operations - Schedule of Property and Equipment (Details) - Discontinued Operations - Alyea Therapeutics Corporation - USD ($) $ in Thousands	Jun. 28, 2025	Dec. 28, 2024
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Property and equipment	$ 1,170	$ 1,170
Less accumulated depreciation	0	0
Total property and equipment, net, from discontinued operations	1,170	1,170
Equipment
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]
Property and equipment	$ 1,170	$ 1,170

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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Amount classified as property, plant and equipment attributable to disposal group held for sale or disposed of, expected to be disposed of after one year or the normal operating cycle, if longer.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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