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OTHER REVENUES (Tables)
 9 Months Ended
Jan. 31, 2019
Other Liabilities and Financial Instruments Subject to Mandatory Redemption [Abstract]  
Other Revenues [Table Text Block]
Other revenues for the third quarter and first nine months of 2019 and 2018 consist of:
 
 
 
Three Months Ended January 31,
 
 
 
2019
 
 
2018
 
 
 
(in thousands)
 
Amortization of deferred revenue and other
 
$
48
 
 
$
193
 
 
 
$
48
 
 
$
193
 
 
 
 
Nine Months Ended January 31,
 
 
 
2019
 
 
2018
 
 
 
(in thousands)
 
Amortization of deferred revenue and other
 
$
437
 
 
$
367
 
Settlement gain
 
 
-
 
 
 
1,318
 
 
 
$
437
 
 
$
1,685