UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Oct. 01, 2023	Oct. 02, 2022
Cash flows from operating activities:
Net loss	$ (22,728)	$ (34,471)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Stock-based compensation expense	37,851	31,787
Depreciation and amortization	3,809	3,653
Allowance for credit losses and inventory reserves	1,218	(211)
Deferred income taxes	257	259
Others	(1,224)	39
Changes in assets and liabilities:
Accounts receivable, net	(4,262)	(3,171)
Inventories	(8,250)	(34,613)
Prepaid expenses and other assets	(4,353)	(105)
Accounts payable	31,049	23,229
Deferred revenue	6,202	(18,544)
Accrued and other liabilities	(9,202)	(2,635)
Net cash provided by (used in) operating activities	30,367	(34,783)
Cash flows from investing activities:
Purchases of property and equipment	(2,448)	(815)
Purchases of short-term investments	(110,905)	(69,305)
Proceeds from maturities of short-term investments	67,259	24,542
Net cash used in investing activities	(46,094)	(45,578)
Cash flows from financing activities:
Proceeds related to employee benefit plans	5,293	3,172
Restricted stock unit withholdings	(22,533)	(17,766)
Net cash used in financing activities	(17,240)	(14,594)
Net decrease in cash, cash equivalents, and restricted cash	(32,967)	(94,955)
Cash, cash equivalents, and restricted cash, at beginning of period	88,179	179,856
Cash, cash equivalents, and restricted cash, at end of period	55,212	84,901
Reconciliation of cash, cash equivalents, and restricted cash to Unaudited Condensed Consolidated Balance Sheets
Cash and cash equivalents	51,133	80,773
Restricted cash	4,079	4,128
Total cash, cash equivalents, and restricted cash	55,212	84,901
Supplemental cash flow information:
Purchases of property and equipment included in accounts payable and accrued liabilities	$ 726	$ 209