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SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS
 12 Months Ended
Jan. 31, 2013
SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS [Abstract]  
SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS
SCHEDULE II—VALUATION AND QUALIFYING ACCOUNTS
Accounts Receivable Allowance for Doubtful Accounts
 
Valuation and qualifying account information related to operations is as follows:
 
Fiscal Year End
 
Balance at Beginning of Year
 
 
Additions Charged to Costs
and Expenses
 
 
Deductions(1)
 
 
Balance at End of Year
 
January 31, 2011
 
$
204,019
 
 
$
368,983
 
 
$
(128,850
)
 
$
444,152
 
January 31, 2012
 
 
444,152
 
 
 
56,654
 
 
 
(9,668
)
 
 
491,138
 
January 31, 2013
 
 
491,138
 
 
 
208,424
 
 
 
(411,460
)
 
 
288,102
 
 
(1) Includes amounts written-off as uncollectible, net of recoveries.