Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2016

Changes in Accumulated Other Comprehensive Income by Component

The changes in accumulated other comprehensive income by component, were as follows for the years ended December 31, 2016 and January 2, 2016:

	Foreign currency			Unrealized holding gains (losses) on available- for-sale investments			Total
	(in thousands)
Balance at January 3, 2015	$	620		$	(1	)	$	619
Other comprehensive loss before reclassification		(168	)		(39	)		(207	)
Amounts reclassified from other comprehensive income		—			—			—
Net current-period other comprehensive loss		(168	)		(39	)		(207	)
Balance at January 2, 2016	$	452		$	(40	)	$	412
Other comprehensive loss before reclassification		(109	)		18			(91	)
Amounts reclassified from other comprehensive income		—			—			—
Net current-period other comprehensive loss		(109	)		18			(91	)
Balance at December 31, 2016	$	343		$	(22	)	$	321