Acquisition of Hia, Inc.- Additional Information (Detail) - USD ($)			3 Months Ended		9 Months Ended
	Jan. 17, 2023	Aug. 26, 2022	Sep. 28, 2024	Sep. 30, 2023	Sep. 28, 2024	Sep. 30, 2023
Business Combinations [Line Items]
Intangible assets amortized on a straight line basis over a period		8 years 3 months 18 days
Amortization of intangible assets			$ 34,000	$ 34,000	$ 102,000	$ 102,000
Contingent consideration amount	$ 250,000
Hia Inc
Business Combinations [Line Items]
Estimated contingent consideration amounts		$ 500,000
Royalty amount obligated to pay for each magnetic bar sold		1,500
Royalty payment become due and payable immediately if there is effects a change of control or sale,transfer or disposition to other third party net of previously paid amounts		1,700,000
Transaction costs		63,000
Stock Purchase Agreement | Hia Inc
Business Combinations [Line Items]
Aggregate purchase price		$ 700,000
Intangible Assets Amortization Period Remainder of Fiscal Year | Hia Inc | Technology-Based Intangible Assets
Business Combinations [Line Items]
Amortization of intangible assets					34,000
Intangible Assets Amortization Period Fiscal Year 2025 to Fiscal Year 2030 | Hia Inc | Technology-Based Intangible Assets
Business Combinations [Line Items]
Amortization of intangible assets					$ 136,000