XML 27 R12.htm IDEA: XBRL DOCUMENT
v3.24.0.1

Note 3 - Marketable Securities | 12 Months Ended
--- | ---
Dec. 31, 2023
Notes to Financial Statements |
Cash, Cash Equivalents, and Marketable Securities [Text Block] | NOTE 3: MARKETABLE SECURITIES The following is a summary of available-for-sale marketable securities at December 31, 2022 and 2023:
|  | As at December 31, 2023 |
|  | Amortized cost |  |  | Gross unrealized gains |  |  | Gross unrealized losses |  |  | Fair value |
Available-for-sale - matures within one year: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Corporate bonds |  | $ | 27,690 |  |  | $ | 4 |  |  | $ | (243 | ) |  | $ | 27,451 |
Available-for-sale - matures after one year through three years: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Corporate bonds |  |  | 108,700 |  |  |  | 278 |  |  |  | (3,734 | ) |  |  | 105,244 |
Total |  | $ | 136,390 |  |  | $ | 282 |  |  | $ | (3,977 | ) |  | $ | 132,695 |
|  | As at December 31, 2022 |
|  | Amortized cost |  |  | Gross unrealized gains |  |  | Gross unrealized losses |  |  | Fair value |
Available-for-sale - matures within one year: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Corporate bonds |  | $ | 17,552 |  |  | $ | — |  |  | $ | (1,330 | ) |  | $ | 16,222 |
Available-for-sale - matures after one year through four years: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Corporate bonds |  |  | 101,355 |  |  |  | 38 |  |  |  | (5,535 | ) |  |  | 95,858 |
Total |  | $ | 118,907 |  |  | $ | 38 |  |  | $ | (6,865 | ) |  | $ | 112,080 |
The following table presents gross unrealized losses and fair values for those investments that were in an unrealized loss position as of December 31, 2022 and 2023, and the length of time that those investments have been in a continuous loss position:
|  | Less than 12 months |  |  | 12 months or greater |
|  | Fair value |  |  | Gross unrealized loss |  |  | Fair value |  |  | Gross unrealized loss |
As of December 31, 2023 |  | $ | 18,193 |  |  | $ | (49 | ) |  | $ | 86,643 |  |  | $ | (3,928 | )
As of December 31, 2022 |  | $ | 58,706 |  |  | $ | (1,885 | ) |  | $ | 48,539 |  |  | $ | (4,980 | )
During the years ended December 31, 2021, 2022 and 2023 the amount of credit losses recorded was not material. The following table presents gross realized gains and losses from sale of available-for-sale marketable securities:
|  | Year ended December 31, |
|  | 2021 |  |  | 2022 |  |  | 2023 |
Gross realized gains from sale of available-for-sale marketable securities |  | $ | 43 |  |  | $ | — |  |  | $ | 114 |
Gross realized losses from sale of available-for-sale marketable securities |  | $ | (30 | ) |  | $ | (55 | ) |  | $ | (24 | )

X
- Definition The entire disclosure of cash, cash equivalents, and debt and equity securities, including any unrealized or realized gain (loss). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org//320/tableOfContent + Details
Name: | us-gaap_CashCashEquivalentsAndMarketableSecuritiesTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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