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Cash and Cash Equivalents (Tables)
 12 Months Ended
Dec. 31, 2019
Text block [abstract]  
Summary of Cash and Cash Equivalents
 
 
 
December 31
 
 
2018
 
2019
 
 
NT$
 
NT$
 
US$ (Note 4)
 
 
 
 
 
 
 
Cash on hand
 
$
7,940
 
 
$
6,567
 
 
$
220
 
Checking accounts and demand deposits
 
 
32,329,820
 
 
 
44,565,936
 
 
 
1,490,001
 
Cash equivalents
 
 
19,180,676
 
 
 
15,558,372
 
 
 
520,173
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
$
51,518,436
 
 
$
60,130,875
 
 
$
2,010,394