XML 34 R23.htm IDEA: XBRL DOCUMENT v3.19.2
Note 6 - Impairment of Long-lived Assets (Tables)
3 Months Ended
Apr. 30, 2019
Notes Tables  
Schedule of Goodwill [Table Text Block]
   
January 31, 2019
   
Foreign exchange change effect
   
April 30, 2019
 
Goodwill
  $
2,269
    $
(51
)   $
2,218