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Subsequent Events (Details Narrative) - USD ($)
$ in Millions
May 07, 2021
Apr. 07, 2021
Mar. 31, 2021
Subsequent Event [Line Items]      
Assets held for sale     $ 2.3
Subsequent Event [Member]      
Subsequent Event [Line Items]      
Proceeds from sale of properties held for sale $ 3.1    
Repayment on related debt $ 2.0    
Subsequent Event [Member] | Southern Boundary Of Houston, Texas [Member]      
Subsequent Event [Line Items]      
Payments to acquire land   $ 1.3