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v3.23.1

Note 4 - Investments - Available-For-Sale Marketable Securities (Details) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2023 | Dec. 31, 2022
Debt Securities, Available-for-Sale, Amortized Cost, Current | $ 35,792 |
Debt Securities, Available-for-Sale, Unrealized Gain, Current | 7 |
Debt Securities, Available-for-Sale, Unrealized Loss, Current | 19 |
Available-for-sale securities, current portion | 35,780 | $ 43,260
Debt Securities, Available-for-Sale, Amortized Cost, NoncurrentDebt Securities, Available-for-Sale, Amortized Cost, Noncurrent | 2,018 |
Available-for-sale securities, long-term | 2,019 | 1,332
Debt Securities, Available-for-Sale, Amortized Cost, Total | 37,810 |
Debt Securities, Available-for-Sale, Unrealized Gain | 9 |
Debt Securities, Available-for-Sale, Unrealized Loss | 20 |
Debt Securities, Available-for-Sale, Total | 37,799 |
Due in one year or less, amortized cost | 35,792 |
Due in one year or less, fair value | 35,780 | $ 43,260
Due after one year through five years, amortized cost | 2,018 |
Due after one year through five years, fair value | 2,019 |
Total, amortized cost | 37,810 |
Marketable debt securities | 37,799 |
US Government Agencies Debt Securities [Member] |  |
Debt Securities, Available-for-Sale, Amortized Cost, Current | 9,386 |
Debt Securities, Available-for-Sale, Unrealized Gain, Current | 0 |
Debt Securities, Available-for-Sale, Unrealized Loss, Current | 9 |
Available-for-sale securities, current portion | 9,377 |
Due in one year or less, amortized cost | 9,386 |
Due in one year or less, fair value | 9,377 |
Corporate Debt Securities [Member] |  |
Debt Securities, Available-for-Sale, Amortized Cost, Current | 24,663 |
Debt Securities, Available-for-Sale, Unrealized Gain, Current | 7 |
Debt Securities, Available-for-Sale, Unrealized Loss, Current | 7 |
Available-for-sale securities, current portion | 24,663 |
Due in one year or less, amortized cost | 24,663 |
Due in one year or less, fair value | 24,663 |
Other Debt Obligations [Member] |  |
Debt Securities, Available-for-Sale, Amortized Cost, Current | 1,743 |
Debt Securities, Available-for-Sale, Unrealized Gain, Current | 0 |
Debt Securities, Available-for-Sale, Unrealized Loss, Current | 3 |
Available-for-sale securities, current portion | 1,740 |
Debt Securities, Available-for-Sale, Amortized Cost, NoncurrentDebt Securities, Available-for-Sale, Amortized Cost, Noncurrent | 2,018 |
Debt Securities, Available-for-Sale, Unrealized Gain, Noncurrent | 2 |
Debt Securities, Available-for-Sale, Unrealized Loss, Noncurrent | 1 |
Available-for-sale securities, long-term | 2,019 |
Due in one year or less, amortized cost | 1,743 |
Due in one year or less, fair value | 1,740 |
Due after one year through five years, amortized cost | $ 2,018 |

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