Marketable Securities (Tables)

6 Months Ended

Jun. 30, 2018

Investments, Debt and Equity Securities [Abstract]

Schedule of Marketable Securities

The following table summarizes the remaining maturities of our Short-term marketable securities at fair value: 

(In thousands)	June 30, 2018		December 30, 2017
Short-term marketable securities:
Maturing within one year	$	4,990	$	4,982
Maturing between one and two years	7,096		—
Total marketable securities	$	12,086	$	4,982