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INCOME TAXES (Tables)
3 Months Ended
Apr. 30, 2017
Income Tax Disclosure [Abstract]  
Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block] A reconciliation of the beginning and ending amount of unrecognized tax benefits, including interest and penalties, is as follows (amounts in thousands):

Unrecognized tax benefits, January 31, 2017  $2,096 
Changes for prior years’ tax positions   147 
Changes for current year tax positions    
Unrecognized tax benefits, April 30, 2017  $2,243