Summary of Significant Accounting Policies (Tables)

12 Months Ended

Jan. 01, 2022

Changes in Accumulated Other Comprehensive Income by Component

The changes in accumulated other comprehensive income (loss) by component, were as follows for the years ended January 1, 2022 and January 2, 2021:

	Foreign     currency		Unrealized holding gains (losses) on available-for-sale investments			Total
	(in thousands)
Balance at December 28, 2019	$	381	$	43		$	424
Other comprehensive income (loss) before reclassification		221		(5	)		216
Amounts reclassified from other comprehensive income (loss)		—		—			—
Net current-period other comprehensive income (loss)		221		(5	)		216
Balance at January 2, 2021		602		38			640
Other comprehensive income (loss) before reclassification		6		(68	)		(62	)
Amounts reclassified from other comprehensive income (loss)		—		—			—
Net current-period other comprehensive income (loss)		6		(68	)		(62	)
Balance at January 1, 2022	$	608	$	(30	)	$	578