CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Jan. 02, 2026	Dec. 27, 2024	Dec. 29, 2023
Cash flows from operating activities:
Net income (loss)	$ (80,448)	$ (20,208)	$ 21,347
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation of property, plant, and equipment	8,319	6,891	5,111
Amortization of cloud-based software	409
Non-cash operating lease expense	3,570	3,562	3,256
Impairment of fixed assets and operating lease right-of-use assets	15,404
Gain on fixed asset recovery	(1,458)
Amortization of intangibles			13
Impairment of intangibles			154
Accretion/amortization of investments available for sale	(198)	(1,091)	(2,501)
Deferred income taxes	(2,916)	3,590	3,264
Change in net pension liability	(249)	26	(956)
Loss on disposal of property and equipment	74	1,694	73
Stock-based compensation expense	30,588	27,210	23,516
Change in asset retirement obligation	4	(53)	(102)
Provision for sales returns and credit losses	3,664	286	663
Inventory provision	5,334	2,782	4,851
Changes in working capital:
Accounts receivable	27,834	16,493	(32,760)
Inventories	(16,981)	(10,000)	(14,361)
Prepayments, deposits, and other assets	(1,352)	(2,006)	(1,007)
Cloud-based software	(15,764)	(13,357)	(2,406)
Accounts payable	(5,507)	75	(701)
Other current liabilities and non-currnet liabilities	(4,557)	(169)	7,140
Net cash provided by (used in) operating activities	(34,230)	15,725	14,594
Cash flows from investing activities:
Acquisition of property and equipment	(5,820)	(23,394)	(18,188)
Purchase of investments available for sale	(75,363)	(80,240)	(52,313)
Proceeds from maturity of investments available for sale	124,145	43,103	143,548
Proceeds from sale of investments available for sale	3,377	1,314	1,300
Net cash provided by (used in) investing activities	46,339	(59,217)	74,347
Cash flows from financing activities:
Repayment of finance lease obligations	(42)	(165)	(161)
Repurchase of common stock	(6,461)
Repurchase of employee common stock for taxes withheld	(1,520)	(1,505)	(2,097)
Proceeds from the exercise of stock options	3,465	7,392	9,672
Proceeds from vested restricted and performance stock units	3	2	1
Net cash provided by (used in) financing activities	(4,555)	5,724	7,415
Effect of exchange rate changes on cash and cash equivalents	1,437	(1,111)	202
Increase (decrease) in cash and cash equivalents	8,991	(38,879)	96,558
Cash and cash equivalents, at beginning of year	144,159	183,038	86,480
Cash and cash equivalents, at end of year	$ 153,150	$ 144,159	$ 183,038