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INVESTMENT IN SECURITIES (Tables)
12 Months Ended
Dec. 31, 2022
Marketable Securities [Abstract]  
Summary of Investment in Securities Current and Noncurrent

Investment in securities – current and noncurrent consist of the following:

 

 

 

December 31

 

(in US$ thousands)

 

2022

 

 

2021

 

Debt securities, classified as available-for-sale

 

$

7,950

 

 

$

8,132

 

Equity securities

 

 

2,371

 

 

 

2,190

 

 

 

$

10,321

 

 

$

10,322