Cash, Cash Equivalents and Restricted Cash (Tables)

3 Months Ended

Apr. 02, 2022

Cash and Cash Equivalents [Abstract]

Summary of cash and cash equivalents

Cash, cash equivalents and marketable securities consisted of the following (in thousands):

	April 2, 2022		December 31, 2021
Cash and cash equivalents:
Cash	$	26,269	$	26,442
Commercial paper	9,139		21,582
U.S. government agency securities	3,797		—
U.S. government securities	2,499		—
Municipal securities	1,760		—
Money market funds	805		2,320
Corporate debt securities	100		989
Total cash and cash equivalents	44,369		51,333
Marketable securities:
U.S. government securities	88,727		60,279
Commercial paper	69,279		80,812
U.S. government agency securities	6,613		5,527
Municipal securities	2,226		2,808
Corporate debt securities	1,911		3,576
Total marketable securities	168,756		153,002
	$	213,125	$	204,335

Debt Securities, Available-for-sale

The amortized cost and fair value of marketable securities as of April 2, 2022 were as follows (in thousands):

	Amortized Cost		Gross Unrealized Losses		Fair Value
U.S. government securities	$	89,943	$	(1,216)	$	88,727
Commercial paper	69,317		(38)		69,279
U.S. government agency securities	6,685		(72)		6,613
Municipal securities	2,231		(5)		2,226
Corporate debt securities	1,916		(5)		1,911
Total marketable securities	$	170,092	$	(1,336)	$	168,756