v3.26.1
Property, Plant and Equipment, Net - Schedule of Property, Plant and Equipment, Net (Details) - USD ($)
$ in Thousands
Mar. 31, 2026
Mar. 31, 2025
Schedule of Property, Plant and Equipment, Net [Line Items]    
Less: accumulated depreciation and amortization $ (55,796) $ (55,958)
Net book value 22,326 23,385
Leasehold land and buildings [Member]    
Schedule of Property, Plant and Equipment, Net [Line Items]    
Cost 32,233 32,233
Plant and machinery [Member]    
Schedule of Property, Plant and Equipment, Net [Line Items]    
Cost 32,506 33,254
Furniture, fixtures and equipment [Member]    
Schedule of Property, Plant and Equipment, Net [Line Items]    
Cost 9,501 10,180
Motor vehicles [Member]    
Schedule of Property, Plant and Equipment, Net [Line Items]    
Cost 1,390 1,365
Leasehold improvements [Member]    
Schedule of Property, Plant and Equipment, Net [Line Items]    
Cost 4,673 4,565
Impairment [Member]    
Schedule of Property, Plant and Equipment, Net [Line Items]    
Impairment (2,181) (2,254)
Cost [Member]    
Schedule of Property, Plant and Equipment, Net [Line Items]    
Cost $ 78,122 $ 79,343