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SHAREHOLDERS' EQUITY (Details 3) - Apr. 30, 2014 - Predecessor Company - Restricted common shares - USD ($)
$ in Thousands
Total
Total
Stock-based compensation    
Total share-based compensation expense $ 177 $ 1,018
Manager    
Stock-based compensation    
Total share-based compensation expense 113 690
Directors    
Stock-based compensation    
Total share-based compensation expense $ 64 $ 328