Investments consisted of the following as of April 30, 2016:

 

						Gross				Gross				Estimated
		Cost				Unrealized Gains				Unrealized Losses				Fair Value
		(in thousands)
Certificates of deposit			10,281				0				(2	)			10,279
Total investments		$	10,281			$	0			$	(2	)		$	10,279

 

Investments consisted of the following as of January 30, 2016:

 

						Gross				Gross				Estimated
		Cost				Unrealized Gains				Unrealized Losses				Fair Value
		(in thousands)
Certificates of deposit			9,791				0				(9	)			9,782
Total investments		$	9,791			$	0			$	(9	)		$	9,782