CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2023	Jul. 01, 2022
Cash flows from operating activities:
Net income	$ 6,648	$ 13,311
Adjustments to reconcile net income to net cash used in operating activities:
Depreciation	6,089	6,128
Stock-based compensation	13,483	13,161
Amortization of convertible debt discount	447	596
Amortization of warrant	870	863
Foreign currency remeasurement	991	(1,680)
Deferred income taxes, net	1,321	1,401
Provision for expected credit losses and returns	1,121	1,648
Provision for excess and obsolete inventories	3,383	3,805
Gain on sale of investment in equity securities	0	(4,370)
Other adjustments	(25)	338
Changes in operating assets and liabilities:
Accounts receivable	(11,513)	(21,386)
Inventories	6,894	(15,429)
Other assets	2,060	(1,367)
Accounts payable	(30,527)	(23,355)
Deferred revenues	1,223	16,393
Other liabilities	(12,717)	4,287
Net cash used in operating activities	(10,252)	(5,656)
Cash flows from investing activities:
Proceeds from sales of investments	0	7,962
Purchases of property and equipment	(3,833)	(5,504)
Net cash provided by (used in) investing activities	(3,833)	2,458
Cash flows from financing activities:
Repurchase of common stock	0	(5,013)
Proceeds from other debts	3,829	3,499
Repayment of other debts	(4,721)	(4,393)
Proceeds from common stock issued to employees	3,084	6,130
Taxes paid related to net share settlement of equity awards	(7,643)	(3,083)
Net cash used in financing activities	(5,451)	(2,860)
Effect of exchange rate changes on cash and cash equivalents	981	(5,554)
Net decrease in cash and cash equivalents	(18,555)	(11,612)
Cash and cash equivalents at beginning of period	89,586	133,431
Cash and cash equivalents at end of period	71,031	121,819
Supplemental schedule of non-cash investing activities:
Capital expenditures incurred but not yet paid	$ 1,189	$ 624