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Note 3 - Revenue Recognition (Tables) | 6 Months Ended
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Jun. 30, 2020
Notes Tables |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table Text Block] |
|  | Remainder of 2020 |  |  | 2021 |  |  | 2022 |
License and related revenues |  | $ | 8,383 |  |  | $ | 3,186 |  |  | $ | 330 |
Disaggregation of Revenue [Table Text Block] |
|  | Six months ended June 3 0, 20 20 (unaudited) |  |  | Three months ended June 3 0, 2020 (unaudited) |
|  | Licensing and related revenues |  |  | Royalties |  |  | Total |  |  | Licensing and related revenues |  |  | Royalties |  |  | Total |
Primary geographical markets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
United States |  | $ | 4,749 |  |  | $ | 1,170 |  |  | $ | 5,919 |  |  | $ | 1,967 |  |  | $ | 657 |  |  | $ | 2,624 |
Europe and Middle East |  |  | 4,633 |  |  |  | 9,315 |  |  |  | 13,948 |  |  |  | 3,574 |  |  |  | 5,271 |  |  |  | 8,845 |
Asia Pacific |  |  | 18,643 |  |  |  | 8,711 |  |  |  | 27,354 |  |  |  | 7,989 |  |  |  | 4,148 |  |  |  | 12,137 |
Total |  | $ | 28,025 |  |  | $ | 19,196 |  |  | $ | 47,221 |  |  | $ | 13,530 |  |  | $ | 10,076 |  |  | $ | 23,606 |
Major product/service lines |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Connectivity products (baseband for handset and other devices, Bluetooth, Wi-Fi, NB-IoT and SATA/SAS) |  | $ | 22,858 |  |  | $ | 15,285 |  |  | $ | 38,143 |  |  | $ | 11,931 |  |  | $ | 8,243 |  |  | $ | 20,174 |
Smart sensing products (AI, sensor fusion, audio/sound and imaging and vision) |  |  | 5,167 |  |  |  | 3,911 |  |  |  | 9,078 |  |  |  | 1,599 |  |  |  | 1,833 |  |  |  | 3,432 |
Total |  | $ | 28,025 |  |  | $ | 19,196 |  |  | $ | 47,221 |  |  | $ | 13,530 |  |  | $ | 10,076 |  |  | $ | 23,606 |
Timing of revenue recognition |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Products transferred at a point in time |  | $ | 21,306 |  |  | $ | 19,196 |  |  | $ | 40,502 |  |  | $ | 10,268 |  |  | $ | 10,076 |  |  | $ | 20,344 |
Products and services transferred over time |  |  | 6,719 |  |  |  | — |  |  |  | 6,719 |  |  |  | 3,262 |  |  |  | — |  |  |  | 3,262 |
Total |  | $ | 28,025 |  |  | $ | 19,196 |  |  | $ | 47,221 |  |  | $ | 13,530 |  |  | $ | 10,076 |  |  | $ | 23,606 |
|  | Six months ended June 3 0, 201 9 (unaudited) |  |  | Three months ended June 3 0, 2019 (unaudited) |
|  | Licensing and related revenues |  |  | Royalties |  |  | Total |  |  | Licensing and related revenues |  |  | Royalties |  |  | Total |
Primary geographical markets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
United States |  | $ | 3,359 |  |  | $ | 543 |  |  | $ | 3,902 |  |  | $ | 1,866 |  |  | $ | 257 |  |  | $ | 2,123 |
Europe and Middle East |  |  | 1,607 |  |  |  | 4,727 |  |  |  | 6,334 |  |  |  | 225 |  |  |  | 2,767 |  |  |  | 2,992 |
Asia Pacific |  |  | 16,849 |  |  |  | 8,284 |  |  |  | 25,133 |  |  |  | 8,713 |  |  |  | 4,572 |  |  |  | 13,285 |
Total |  | $ | 21,815 |  |  | $ | 13,554 |  |  | $ | 35,369 |  |  | $ | 10,804 |  |  | $ | 7,596 |  |  | $ | 18,400 |
Major product/service lines |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Connectivity products (baseband for handset and other devices, Bluetooth, Wi-Fi, NB-IoT and SATA/SAS) |  | $ | 14,716 |  |  | $ | 12,676 |  |  | $ | 27,392 |  |  | $ | 8,085 |  |  | $ | 7,055 |  |  | $ | 15,140 |
Smart sensing products (AI, audio/sound and imaging and vision) |  |  | 7,099 |  |  |  | 878 |  |  |  | 7,977 |  |  |  | 2,719 |  |  |  | 541 |  |  |  | 3,260 |
Total |  | $ | 21,815 |  |  | $ | 13,554 |  |  | $ | 35,369 |  |  | $ | 10,804 |  |  | $ | 7,596 |  |  | $ | 18,400 |
Timing of revenue recognition |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Products transferred at a point in time |  | $ | 15,307 |  |  | $ | 13,554 |  |  | $ | 28,861 |  |  | $ | 7,396 |  |  | $ | 7,596 |  |  | $ | 14,992 |
Products and services transferred over time |  |  | 6,508 |  |  |  | — |  |  |  | 6,508 |  |  |  | 3,408 |  |  |  | — |  |  |  | 3,408 |
Total |  | $ | 21,815 |  |  | $ | 13,554 |  |  | $ | 35,369 |  |  | $ | 10,804 |  |  | $ | 7,596 |  |  | $ | 18,400 |
Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] |
|  | June 3 0, 20 20 (unaudited) |  |  | December 31, 201 9 |
Trade receivables |  | $ | 7,055 |  |  | $ | 11,066 |
Unbilled receivables (associated with licensing and related revenue) |  |  | 4,765 |  |  |  | 5,269 |
Unbilled receivables (associated with royalties) |  |  | 7,961 |  |  |  | 11,972 |
Deferred revenues (short-term contract liabilities) |  |  | 3,821 |  |  |  | 3,642 |

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