XML 92 R27.htm IDEA: XBRL DOCUMENT
v3.20.1

Cash and Cash Equivalents (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2019
Cash and Cash Equivalents [Abstract] |
Schedule of Cash and Cash Equivalents |
|  | December 31 |
|  | 2018 |  |  | 2019 |
|  | US$ thousands |
Cash |  |  | 16,147 |  |  |  | 13,382 |
Cash equivalents * |  |  | 10,661 |  |  |  | 3,087 |
|  |  | 26,808 |  |  |  | 16,469 |
* | Comprised mainly of deposits in banks as at December 31, 2018 and 2019 carrying a weighted average interest rate of 2.79% and 1.04%, respectively.

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

X
- Definition Tabular disclosure of the components of cash, cash equivalents, and investments. + References No definition available. + Details
Name: | us-gaap_ScheduleOfCashCashEquivalentsAndShortTermInvestmentsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration