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Inventories, Net
 12 Months Ended
Mar. 31, 2020
Inventory Disclosure [Abstract]  
INVENTORIES, NET
6.INVENTORIES, NET

 

Inventories consisted of the following:

 

   As of March 31, 
   2019   2020 
   $   $ 
         
Raw materials   1,200    1,346 
Work in progress   40    234 
Finished goods   299    420 
    1,539    2,000 

 

Slow moving inventories amounting to $45, $419 and $39 were written off during the years ended March 31, 2018, 2019 and 2020, respectively.

  

Prepaid expenses and other current assets consisted of the following:

 

   As of March 31, 
   2019   2020 
   $   $  
         
Prepaid expenses   137    129 
Short-term rental prepayment   79    - 
Payment in advance   110    140 
Deposits   373    108 
Other   23    11 
    722    388