Cash and Cash Equivalents (Tables)

12 Months Ended

Jan. 31, 2013

Cash and Cash Equivalents [Abstract]

Summary of cash and cash equivalents

The following tables summarize the Company’s cash and cash equivalents (in thousands):

	As of January 31, 2013						As of January 31 2012,
	Cost		Unrealized Losses		Fair Market Value		Cost		Unrealized Losses		Fair Market Value
Cash	$	28,344	$	—	$	28,344	$	31,019	$	—	$	31,019
Money market funds		68,971		—		68,971		78,669		—		78,669
Total	$	97,315	$	—	$	97,315	$	109,688	$	—	$	109,688