Investments (Tables)

12 Months Ended

Jan. 30, 2016

Investments [Abstract]

Schedule of Cost and Fair Value of Investments (in thousands)

Investments as of January 30, 2016 consisted of the following (in thousands):

	Amortized Cost		Unrealized Gains		Unrealized Losses		Estimated Fair Value
Short-term investments:
Available-for-sale securities:
Corporate bonds		2,810		1		(1)		2,810
Municipal bonds		205		—		—		205
Total short-term investments		3,015		1		(1)		3,015
Total investments	$	3,015	$	1	$	(1)	$	3,015

Investments as of January 31, 2015, consisted of the following (in thousands):

	Amortized Cost		Unrealized Gains		Unrealized Losses		Estimated Fair Value
Short-term investments:
Available-for-sale securities:
Certificates of deposit	$	4,080	$	—	$	(2)	$	4,078
Commercial paper		7,384		3		(3)		7,384
Corporate bonds		1,615		1		—		1,616
Municipal bonds		214		1		—		215
Total short-term investments		13,293		5		(5)		13,293
Long-term investments:
Available-for-sale securities:
Corporate bonds		2,857		—		(4)		2,853
U.S. Agency securities		1,900		—		(1)		1,899
Total long-term investments		4,757		—		(5)		4,752
Total investments	$	18,050	$	5	$	(10)	$	18,045

Schedule of Available-for-sale Securities Maturities (in thousands)

	January 30, 2016
Due in one year or less	$	3,015
Due after one year through five years		—
Total investments	$	3,015