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Note 3 - Revenue Recognition (Tables) | 3 Months Ended
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Mar. 31, 2023
Notes Tables |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table Text Block] |
|  | Remainder of 2023 |  |  | 2024 |  |  | 2025 |  |  | 2026 |
Licensing, NRE and related revenues |  | $ | 10,083 |  |  | $ | 906 |  |  | $ | 519 |  |  | $ | 96 |
Disaggregation of Revenue [Table Text Block] |
|  | Three months ended March 31, 2023 (unaudited) |  |  | Three months ended March 31, 2022 (unaudited) |
|  | Licensing, NRE and related revenues |  |  | Royalties |  |  | Total |  |  | Licensing, NRE and related revenues |  |  | Royalties |  |  | Total |
Primary geographical markets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
United States |  | $ | 2,791 |  |  | $ | 1,650 |  |  | $ | 4,441 |  |  | $ | 4,475 |  |  | $ | 2,271 |  |  | $ | 6,746 |
Europe and Middle East |  |  | 2,334 |  |  |  | 859 |  |  |  | 3,193 |  |  |  | 437 |  |  |  | 665 |  |  |  | 1,102 |
Asia Pacific |  |  | 15,121 |  |  |  | 5,505 |  |  |  | 20,626 |  |  |  | 17,481 |  |  |  | 9,062 |  |  |  | 26,543 |
Other |  |  | 475 |  |  |  | — |  |  |  | 475 |  |  |  | — |  |  |  | — |  |  |  | — |
Total |  | $ | 20,721 |  |  | $ | 8,014 |  |  | $ | 28,735 |  |  | $ | 22,393 |  |  | $ | 11,998 |  |  | $ | 34,391 |
Major product/service lines |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Connectivity products (baseband for handset and other devices, Bluetooth, Wi-Fi, NB-IoT and SATA/SAS) |  | $ | 16,532 |  |  | $ | 5,665 |  |  | $ | 22,197 |  |  | $ | 16,815 |  |  | $ | 9,062 |  |  | $ | 25,877 |
Smart sensing products (AI, sensor fusion, audio/sound and imaging and vision) |  |  | 4,189 |  |  |  | 2,349 |  |  |  | 6,538 |  |  |  | 5,578 |  |  |  | 2,936 |  |  |  | 8,514 |
Total |  | $ | 20,721 |  |  | $ | 8,014 |  |  | $ | 28,735 |  |  | $ | 22,393 |  |  | $ | 11,998 |  |  | $ | 34,391 |
Timing of revenue recognition |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Products transferred at a point in time |  | $ | 14,621 |  |  | $ | 8,014 |  |  | $ | 22,635 |  |  | $ | 15,932 |  |  | $ | 11,998 |  |  | $ | 27,930 |
Products and services transferred over time |  |  | 6,100 |  |  |  | — |  |  |  | 6,100 |  |  |  | 6,461 |  |  |  | — |  |  |  | 6,461 |
Total |  | $ | 20,721 |  |  | $ | 8,014 |  |  | $ | 28,735 |  |  | $ | 22,393 |  |  | $ | 11,998 |  |  | $ | 34,391 |
Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] |
|  | March 31, 2023 (unaudited) |  |  | December 31, 2022 |
Trade receivables |  | $ | 17,430 |  |  | $ | 12,297 |
Unbilled receivables (associated with licensing, NRE and related revenue) |  |  | 9,731 |  |  |  | 8,695 |
Unbilled receivables (associated with royalties) |  |  | 7,846 |  |  |  | 10,258 |
Deferred revenues (short-term contract liabilities) |  |  | 4,006 |  |  |  | 3,168 |

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