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Schedule II - VALUATION AND QUALIFYING ACCOUNTS
 12 Months Ended
Jan. 31, 2019
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]  
SEC Schedule, 12-09, Schedule of Valuation and Qualifying Accounts Disclosure [Text Block]

Schedule II - VALUATION AND QUALIFYING ACCOUNTS


FOR THE YEARS ENDED JANUARY 31, 2019, 2018 AND 2017


(Amounts in thousands)


       Additions   Deductions     
   Balance   Charged to   Charges for   Balance 
   Beginning   Cost and   Which Reserves   End 
   of Year   Expenses   Were Created   of Year 
                     
2019:                    
Deferred tax valuation allowance  $241   $—   $9   $232 
                     
2018:                    
Deferred tax valuation allowance  $417   $—   $176   $241 
                     
2017:                    
Deferred tax valuation allowance  $1,151   $—   $734   $417