Note 2 - Cash, Cash Equivalents and Marketable Securities (Tables)

3 Months Ended

Apr. 30, 2016

Notes Tables

Cash, Cash Equivalents and Investments [Table Text Block]

	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

Investments Classified by Contractual Maturity Date [Table Text Block]

	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