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OTHER REVENUES (Tables)
3 Months Ended
Jul. 31, 2018
Other Liabilities and Financial Instruments Subject to Mandatory Redemption [Abstract]  
Other Revenues [Table Text Block]
Other revenues for the first quarter of 2019 and 2018 consist of:
 
  
Three Months Ended July 31,
 
  
2018
 
 
2017
 
  
(in thousands)
 
Settlement gain
 
$
-
 
 
$
1,318
 
Deferred revenue and other
 
 
89
 
 
 
88
 
  
$
89
 
 
$
1,406