Annual report pursuant to Section 13 and 15(d)

Composition of Certain Financial Statement Captions (Details 3)

v2.4.0.6
Composition of Certain Financial Statement Captions (Details 3) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Jan. 31, 2013
Jan. 31, 2012
Jan. 31, 2011
Composition of Certain Financial Statement Captions      
Accounts receivable $ 104,171 $ 67,328  
Allowance for doubtful accounts (761) (590) (503)
Accounts receivable, net 103,410 66,738  
Allowance for Doubtful Accounts      
Balance at Beginning of Fiscal Year 590 503 36
Additions 659 492 485
Write-offs, net of recoveries (488) (405) (18)
Balance at End of Fiscal Year $ 761 $ 590 $ 503