XML 49 R35.htm IDEA: XBRL DOCUMENT
v3.23.1

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 |

X
- Definition Tabular disclosure of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -URI https://asc.fasb.org/topic&trid=2196928 + Details
Name: | us-gaap_DebtSecuritiesAvailableForSaleTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_MarketableSecuritiesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration