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PROPERTY, PLANT AND EQUIPMENT, NET (Details) - USD ($)
$ in Thousands
Mar. 31, 2018
Mar. 31, 2017
Property, plant and equipment, at cost $ 13,595 $ 13,487
Less: Accumulated depreciation and impairment (12,825) (12,533)
Property, plant and equipment, net 770 954
Machinery and Equipment [Member]    
Property, plant and equipment, at cost 12,482 12,386
Furniture and Fixtures [Member]    
Property, plant and equipment, at cost 443 442
Leasehold Improvements [Member]    
Property, plant and equipment, at cost 517 506
Motor Vehicles [Member]    
Property, plant and equipment, at cost $ 153 $ 153