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Note 9 - Geographic Information and Major Customer Data (Tables) | 3 Months Ended
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Mar. 31, 2024
Notes Tables |
Revenue from External Customers by Geographic Areas [Table Text Block] |
|  | Three months ended March 31, |
|  | 2024 (unaudited) |  |  | 2023 (unaudited) |
Revenues based on customer location: |  |  |  |  |  |  |  |
United States |  | $ | 2,538 |  |  | $ | 2,352 |
Europe and Middle East |  |  | 1,512 |  |  |  | 2,809 |
Asia Pacific (1) |  |  | 18,009 |  |  |  | 20,626 |
Other |  |  | 13 |  |  |  | 475 |
|  | $ | 22,072 |  |  | $ | 26,262 |
(1) China |  | $ | 13,592 |  |  | $ | 17,763 |
Schedules of Concentration of Risk, by Risk Factor [Table Text Block] |
|  | Three months ended March 31, |
|  | 2024 (unaudited) |  |  | 2023 (unaudited) |
Customer A |  |  | 15 | % |  |  |  | *)
Customer B |  |  | 14 | % |  |  |  | *)
Customer C |  |  |  | *) |  |  | 14 | *)
*) Less than 10% |  |  |  |  |  |  |  |

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