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Business Segment Information (Details) - Schedule of Operating Results for the Business Segments - (Loss) income from operations [Member] - USD ($)
$ in Thousands
 3 Months Ended
Oct. 31, 2023
Oct. 31, 2022
Schedule of Operating Results for the Business Segments [Line Items]    
Revenues $ 68 $ 70
(Loss) income from operations (2,478) (5,142)
Healthcare [Member]    
Schedule of Operating Results for the Business Segments [Line Items]    
Revenues
(Loss) income from operations (2,500) (5,164)
Real Estate [Member]    
Schedule of Operating Results for the Business Segments [Line Items]    
Revenues 68 70
(Loss) income from operations $ 22 $ 22