2. Cash, cash equivalents and marketable securities

As of April 30, 2016 and January 30, 2016, we had $0.8 million and $0.9 million, respectively, of restricted cash related to an escrow withholding in association with our acquisition of Bretelon,

an office-space operating lease and other transactions which are not included in the amounts below. Cash, cash equivalents and marketable securities consist of the following (in thousands):

	April 30 , 201 6						January 30 , 201 6
	Book Value		Net Unrealized Gains (Losses)		Fair Value		Book Value		Net Unrealized Gains (Losses)			Fair Value
Corporate bonds	$	7,035	$	5	$	7,040	$	7,052	$	(7	)	$	7,045
Fixed income mutual funds		1,279		23		1,302		1,255		32			1,287
Money market funds		109		-		109		88		-			88
Total cash equivalents and marketable securities	$	8,423	$	28		8,451	$	8,395	$	25			8,420


Cash on hand held in the United States						3,884							4,141
Cash on hand held overseas						52,335							59,561
Total cash on hand						56,219							63,702
Total cash, cash equivalents and marketable securities					$	64,670						$	72,122

Reported as:
Cash and cash equivalents					$	56,328						$	63,790
Short-term marketable securities						6,840							4,805
Long-term marketable securities						1,502							3,527
					$	64,670						$	72,122

The amortized cost and estimated fair value of cash equivalents and marketable securities, by contractual maturity, are as follows (in thousands):

	April 30, 201 6				January 30 , 201 6
	Book Value		Fair Value		Book Value		Fair Value
Due in one year or less	$	6,922	$	6,949	$	4,863	$	4,893
Due in greater than one year		1,501		1,502		3,532		3,527
Total	$	8,423	$	8,451	$	8,395	$	8,420