v3.4.0.3
Schedule II - Valuation and Qualifying Accounts (Tables)
 12 Months Ended
Jan. 31, 2016
Notes Tables  
Summary of Valuation Allowance [Table Text Block]
 
 
Balance at
Beginning
of Year
 
 
Charged
to Cost
and
Expense
(Recovery)
 
 
Deductions
 
 
Other
Changes
Add
(Deduct)
 
 
Balance at

End of
Year
 
Allowance for doubtful accounts and provision for unbilled receivables (deducted from accounts receivable):
                                        
Year ended January 31, 2016
   $ —     $ —     $ —     $ —     $ —  
Year ended January 31, 2015
   $ 40     $ —     $ —     $ (40
)
   $ —  
Allowance for deferred tax assets:
                                        
Year ended January 31, 2016
   $ 16,106     $ —     $ —     $ 625     $ 16,731  
Year ended January 31, 2015
   $ 16,675     $ —     $ —     $ (569
)
   $ 16,106