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REDEEMABLE NONCONTROLLING INTERESTS (Details) (USD $)
3 Months Ended
Jul. 31, 2014
Jul. 31, 2013
Rollforward of Redeemable Noncontrolling Interests [Abstract]    
Balance at April 30, $ 6,203,000 $ 5,937,000
Contributions 3,212,000 [1]  
Net income 110,000 12,000
Balance at close of period 6,313,000 5,949,000
Noncontrolling Interests [Member]
   
Rollforward of Redeemable Noncontrolling Interests [Abstract]    
Contributions 3,212,000  
Restatement Adjustment [Member] | Noncontrolling Interests [Member]
   
Overstatement of equity   5,900,000
Restatement Adjustment [Member] | Equity [Member]
   
Overstatement of equity   $ (5,900,000)
[1] Consists of assumed debt (Homestead Garden I - $6.7 million, Homestead Garden II - $3.2 million, Silver Springs - $2.3 million) and value of land contributed by the joint