NOTE 2 — Investments

Investments as of October 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	$	480	$	—	$	—	$	480
Commercial paper		1,499		1		—		1,500
Corporate bonds		2,822		—		(1)		2,821
Municipal bonds		207		1		—		208
Total investments	$	5,008	$	2	$	(1)	$	5,009

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

During the thirty-nine weeks ended October 31, 2015, there were no purchases of available-for-sale securities and approximately $13.0 million of maturities of available-for-sale securities. During the thirty-nine weeks ended November 1, 2014, there were $12.5 million of purchases of available-for-sale securities and approximately $10.2 million of maturities of available-for-sale securities. There were no other-than-temporary impairments of available-for-sale securities during the thirty-nine weeks ended October 31, 2015 and November 1, 2014, respectively.

Expected maturities of the Company's investments are as follows (in thousands):


	October 31, 2015
Due in one year or less	$	5,009
Due after one year through five years		—
Total investments	$	5,009