Marketable Securities (Tables)

3 Months Ended

Mar. 31, 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)	March 31, 2018		December 30, 2017
Short-term marketable securities:
Maturing within one year	$	4,982	$	4,982
Maturing between one and two years	7,096		—
Total marketable securities	$	12,078	$	4,982