Revenue - Narrative (Details) - USD ($)	12 Months Ended
	Dec. 30, 2023	Dec. 31, 2022
Disaggregation of Revenue [Line Items]
Material contract assets	$ 0
Deferred contract costs	$ 0
Online Dashboard, Mobile Applications, and Upgrade Rights
Disaggregation of Revenue [Line Items]
Estimated usage period	2 years
Licensing Income
Disaggregation of Revenue [Line Items]
Contract liabilities	$ 0	$ 800,000
Wearable Technology
Disaggregation of Revenue [Line Items]
Contract liabilities	1,700,000	3,700,000
Gift Cards
Disaggregation of Revenue [Line Items]
Contract liabilities	$ 2,700,000	$ 3,100,000