2. Cash, cash equivalents and marketable securities

As of October 31, 2015 and January 31, 2015, we had $0.4 million of restricted cash related to an office-space operating lease and other transactions, which is not included in the amounts below. Cash, cash equivalents and marketable securities consist of the following (in thousands):

	October 31 , 201 5						January 31 , 201 5
	Book Value		Net Unrealized Gains (Losses)		Fair Value		Book Value		Net Unrealized Gains (Losses)			Fair Value
Certificate of deposits	$	15,509	$	-	$	15,509	$	-	$	-		$	-
Corporate bonds		11,205		66		11,271		9,130		153			9,283
Money market funds		5,235		-		5,235		7,650		-			7,650
Fixed income mutual funds		1,259		26		1,285		1,324		(11	)		1,313
Total cash equivalents and marketable securities	$	33,208	$	92		33,300	$	18,104	$	142			18,246


Cash on hand held in the United States						9,455							12,042
Cash on hand held overseas						52,474							63,810
Total cash on hand						61,929							75,852
Total cash, cash equivalents and marketable securities					$	95,229						$	94,098

Reported as:
Cash and cash equivalents					$	67,164						$	83,502
Short-term marketable securities						24,528							6,347
Long-term marketable securities						3,537							4,249
					$	95,229						$	94,098

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

	October 31 , 201 5				January 31 , 201 5
	Book Value		Fair Value		Book Value		Fair Value
Due in one year or less	$	29,669	$	29,763	$	13,995	$	13,997
Due in greater than one year		3,539		3,537		4,109		4,249
Total	$	33,208	$	33,300	$	18,104	$	18,246