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Properties, Plant and Equipment, Net - Summary of Properties, Plant and Equipment (Detail) - USD ($)
$ in Thousands
Sep. 30, 2023
Jun. 30, 2023
Property, Plant and Equipment [Line Items]    
Properties, plant and equipment, Gross $ 3,427 $ 3,374
Less accumulated depreciation (366) (318)
Properties, plant and equipment, net 3,061 3,056
Land [Member]    
Property, Plant and Equipment [Line Items]    
Properties, plant and equipment, Gross $ 1,533 1,533
Property, Plant and Equipment, Depreciation Method [Extensible Enumeration] us-gaap:NoDepreciationMethodMember  
Buildings [Member]    
Property, Plant and Equipment [Line Items]    
Properties, plant and equipment, Gross $ 873 873
Property, Plant and Equipment, Depreciation Method [Extensible Enumeration] us-gaap:StraightLineDepreciationMethodMember  
Buildings [Member] | Maximum [Member]    
Property, Plant and Equipment [Line Items]    
Estimated useful life (in years) 15 years  
Buildings [Member] | Minimum [Member]    
Property, Plant and Equipment [Line Items]    
Estimated useful life (in years) 7 years  
Vehicles [Member]    
Property, Plant and Equipment [Line Items]    
Properties, plant and equipment, Gross $ 345 345
Property, Plant and Equipment, Depreciation Method [Extensible Enumeration] us-gaap:StraightLineDepreciationMethodMember  
Vehicles [Member] | Maximum [Member]    
Property, Plant and Equipment [Line Items]    
Estimated useful life (in years) 5 years  
Vehicles [Member] | Minimum [Member]    
Property, Plant and Equipment [Line Items]    
Estimated useful life (in years) 3 years  
Plant and equipment [Member]    
Property, Plant and Equipment [Line Items]    
Properties, plant and equipment, Gross $ 676 $ 623
Property, Plant and Equipment, Depreciation Method [Extensible Enumeration] us-gaap:StraightLineDepreciationMethodMember  
Plant and equipment [Member] | Maximum [Member]    
Property, Plant and Equipment [Line Items]    
Estimated useful life (in years) 10 years  
Plant and equipment [Member] | Minimum [Member]    
Property, Plant and Equipment [Line Items]    
Estimated useful life (in years) 5 years