CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 30, 2024	Apr. 01, 2023
Operating activities
Net loss	$ (1,606)	$ (3,891)
Adjustments to reconcile net loss to net cash and cash equivalents used in operating activities:
Depreciation and amortization	558	344
Net amortization (accretion) of investment premiums and discounts	(83)	(61)
Amortization of intangible assets	34	34
Equity-based compensation	761	1,581
Straight-line rent adjustment and amortization of lease incentives	(15)	(249)
(Gain) loss on disposal of fixed assets	523	(65)
Deferred income taxes	299	197
Changes in operating assets and liabilities	(7,006)	(21,491)
Total adjustments	(4,929)	(19,710)
Net cash used in operating activities	(6,535)	(23,601)
Investing activities
Purchase of investments	(7,099)	(1,989)
Proceeds from sales and maturities of investments	8,287	14,095
Proceeds from sales of property and equipment	0	65
Purchase of leasehold improvements and equipment	(566)	(4,005)
Net cash provided by investing activities	622	8,166
Financing activities
Proceeds from issuance of common stock	462	835
Payment of acquisition-related contingent consideration	0	(250)
Taxes paid related to net share settlement	(144)	(1,274)
Net cash provided by (used in) financing activities	318	(689)
Effect of exchange rate changes on cash and cash equivalents	(96)	10
Net decrease in cash, cash equivalents and restricted cash	(5,691)	(16,114)
Cash, cash equivalents and restricted cash at beginning of period	52,141	69,690
Cash, cash equivalents and restricted cash at end of period	$ 46,450	$ 53,576