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NOTES PAYABLE (Tables)
9 Months Ended
Jan. 31, 2019
Debt Disclosure [Abstract]  
Schedule of Debt [Table Text Block]
Notes payable, net consist of:
 
 
 
January 31,
 
 
April 30,
 
 
 
2019
 
 
2018
 
 
 
(in thousands)
 
Real estate notes payable
 
$
2,626
 
 
$
1,887
 
Unamortized debt issuance costs
 
 
(72
)
 
 
(44
)
Notes payable, net
 
$
2,554
 
 
$
1,843