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Cash and cash equivalents (Tables)
12 Months Ended
Dec. 31, 2020
Text block [abstract]  
Summary of Cash and Cash Equivalents
   
December 31,

2019
   
December 31,

2020
 
   
NT$000
   
NT$000
 
Cash on hand and petty cash
   470    470 
Checking accounts and demand deposits
   915,134    2,609,421 
Time deposits
   3,788,480    1,503,760 
  
 
 
   
 
 
 
  
 
4,704,084
 
  
 
4,113,651
 
  
 
 
   
 
 
 
 
 a)
The Group transacts with a variety of financial institutions all with high credit quality to disperse credit risk, so it expects that the probability of counterparty default is remote.
 
 b)
No cash and cash equivalents of the Group were pledged to others.