Significant Accounting Policies - Revenue Recognition (Details) - USD ($)	12 Months Ended
	Dec. 30, 2022	Dec. 31, 2021	Dec. 25, 2020	Dec. 27, 2019
Disaggregation of Revenue [Line Items]
Deferred revenue	$ 35,051,000	$ 33,385,000	$ 30,466,000	$ 23,820,000
Sales return allowance and rebates	11,011,000	9,275,000
Marketing Incentive Program
Disaggregation of Revenue [Line Items]
Deferred revenue	0	768,000
Cost of sales	$ 1,754,000	$ 1,245,000	$ 1,672,000