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NOTES PAYABLE (Tables)
 6 Months Ended
Oct. 31, 2018
Debt Disclosure [Abstract]  
Schedule of Debt [Table Text Block]
Notes payable, net consist of:
 
 
 
October 31,
 
 
April 30,
 
 
 
2018
 
 
2018
 
 
 
(in thousands)
 
Real estate notes payable
 
$
2,051
 
 
$
1,887
 
Unamortized debt issuance costs
 
 
(79
)
 
 
(44
)
Notes payable, net
 
$
1,972
 
 
$
1,843