v3.25.2
Property, Plant and Equipment, Net (Details) - USD ($)
$ in Thousands
12 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Mar. 31, 2023
Property, Plant and Equipment, Net [Line Items]      
Net value $ 23,385 $ 24,603  
Amortization expenses $ 55,958 55,078  
Lease terms 50 years    
Depreciation of property, plant and equipment $ 1,519 1,523 $ 1,709
Property Subject to Operating Lease [Member]      
Property, Plant and Equipment, Net [Line Items]      
Net value 2,483 2,576  
Use Rights [Member]      
Property, Plant and Equipment, Net [Line Items]      
Amortization expenses 87 87 $ 87
Cost of land use rights 28,077 28,077  
Dongguan Chang An Xiaobian [Member] | Use Rights [Member]      
Property, Plant and Equipment, Net [Line Items]      
Cost of land use rights 4,156 4,156  
Computer Equipment [Member]      
Property, Plant and Equipment, Net [Line Items]      
Net value $ 9 $ 17  
Long Term Leased Land And Buildings [Member]      
Property, Plant and Equipment, Net [Line Items]      
Lease terms 50 years