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PROPERTY, PLANT AND EQUIPMENT, NET (Tables)
12 Months Ended
Mar. 31, 2018
Property, Plant and Equipment [Abstract]  
Schedule of property, plant and equipment

Property, plant and equipment, net consisted of the following:

  

    As of March 31,  
    2017     2018  
    $   $
         
At cost:                
Machinery and equipment     12,386       12,482  
Furniture and fixtures     442       443  
Leasehold improvements     506       517  
Motor vehicles     153       153  
Total     13,487       13,595  
Less: Accumulated depreciation and impairment     (12,533 )     (12,825 )
Property, plant and equipment, net     954       770