Segment Information (Details) $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 28, 2025 USD ($)	Mar. 29, 2025 USD ($)	Jun. 29, 2024 USD ($)	Mar. 30, 2024 USD ($)	Jun. 28, 2025 USD ($) segment	Jun. 29, 2024 USD ($)
Segment Information
Net sales	$ 151,949		$ 144,270		$ 299,327	$ 310,559
Interest (income) expense, net	(204)		68		(201)	205
Net loss	(12,711)	$ (15,283)	(8,687)	$ (6,478)	$ (27,994)	(15,165)
Number of operating segments | segment					1
Single reportable segment
Segment Information
Net sales	151,949		144,270		$ 299,327	310,559
Product COGS	73,129		68,181		144,554	149,085
Freight and fuel surcharge expense	29,041		27,685		57,647	59,150
Advertising expense	23,436		19,112		47,316	38,954
Employee payroll expense	20,196		18,357		39,478	41,000
Rent and facilities expense	3,475		4,040		6,910	7,911
Depreciation and amortization	4,978		4,455		10,460	8,480
Stock compensation expense	2,273		3,328		5,145	5,910
Other segment items	7,928		7,867		15,610	15,437
Interest (income) expense, net	204		(68)		201	(205)
Net loss	$ (12,711)		$ (8,687)		$ (27,994)	$ (15,165)
Segment Reporting, Other Segment Item, Composition, Description					Other segment items primarily includes technology expense, general and administrative expense, fulfillment expense and marketing expense.