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INFORMATION ABOUT THE COMPANY'S OPERATIONS IN DIFFERENT INDUSTRY SEGMENTS (Details 1) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Jan. 31, 2019
Jan. 31, 2018
Jan. 31, 2019
Jan. 31, 2018
Revenues $ 9,340 $ 10,379 $ 30,663 $ 30,880
Fulfillment Revenue Segment [Member]        
Revenues 6,916 7,676 21,302 22,592
Real Estate Revenue Segment [Member]        
Revenues 2,376 2,510 8,924 6,603
Corporate and Other [Member]        
Revenues 48 193 437 1,685
Subscription Services [Member] | Fulfillment Revenue Segment [Member]        
Revenues 4,234 4,335 13,106 13,263
Membership Fulfillment [Member] | Fulfillment Revenue Segment [Member]        
Revenues 1,116 1,936 4,235 5,575
Contact Center [Member] | Fulfillment Revenue Segment [Member]        
Revenues 1,343 1,220 3,407 3,187
Other Revenues [Member] | Fulfillment Revenue Segment [Member]        
Revenues 223 185 554 567
Residential land sales [Member] | Real Estate Revenue Segment [Member]        
Revenues 2,220 2,450 8,737 6,503
Commercial land sales [Member] | Real Estate Revenue Segment [Member]        
Revenues 0 0 0 0
Undeveloped land sales [Member] | Real Estate Revenue Segment [Member]        
Revenues $ 156 $ 60 $ 187 $ 100