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Note 3 - Intangible Assets, Net (Tables) | 3 Months Ended
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Mar. 31, 2022
Notes Tables |
Schedule of Finite-Lived Intangible Assets [Table Text Block] |
|  | Amortization period (in years) |  |  | March 31, 2022 |  |  | December 31, 2021 |
Gross amount: |  |  |  |  |  |  |  |  |  |  |  |
Software developed for internal use |  |  | 3 |  |  | $ | 10,603 |  |  |  | 9,552 |
Acquired proprietary technology |  |  | 3-5 |  |  |  | 15,824 |  |  |  | 14,844 |
Customer relationships |  |  | 5-10 |  |  |  | 38,068 |  |  |  | 37,886 |
Trade names |  |  | 4-20 |  |  |  | 16,657 |  |  |  | 16,657 |
Domain names |  |  | 20 |  |  |  | 195 |  |  |  | 191 |
Databases |  |  | 5-10 |  |  |  | 31,292 |  |  |  | 31,292 |
Non-competition agreements |  |  | 2-5 |  |  |  | 1,768 |  |  |  | 1,768 |
Total gross amount |  |  |  |  |  |  | 114,407 |  |  |  | 112,190 |
Accumulated amortization: |  |  |  |  |  |  |  |  |  |  |  |
Software developed for internal use |  |  |  |  |  |  | (5,864 | ) |  |  | (5,263 | )
Acquired proprietary technology |  |  |  |  |  |  | (13,571 | ) |  |  | (13,402 | )
Customer relationships |  |  |  |  |  |  | (31,317 | ) |  |  | (29,948 | )
Trade names |  |  |  |  |  |  | (5,368 | ) |  |  | (5,145 | )
Domain names |  |  |  |  |  |  | (60 | ) |  |  | (58 | )
Databases |  |  |  |  |  |  | (21,521 | ) |  |  | (20,859 | )
Non-competition agreements |  |  |  |  |  |  | (1,768 | ) |  |  | (1,768 | )
Total accumulated amortization |  |  |  |  |  |  | (79,469 | ) |  |  | (76,443 | )
Net intangible assets: |  |  |  |  |  |  |  |  |  |  |  |
Software developed for internal use |  |  |  |  |  |  | 4,739 |  |  |  | 4,289 |
Acquired proprietary technology |  |  |  |  |  |  | 2,253 |  |  |  | 1,442 |
Customer relationships |  |  |  |  |  |  | 6,751 |  |  |  | 7,938 |
Trade names |  |  |  |  |  |  | 11,289 |  |  |  | 11,512 |
Domain names |  |  |  |  |  |  | 135 |  |  |  | 133 |
Databases |  |  |  |  |  |  | 9,771 |  |  |  | 10,433 |
Total intangible assets, net |  |  |  |  |  | $ | 34,938 |  |  | $ | 35,747 |
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] |
Year |  | March 31, 2022 |
Remainder of 2022 |  | $ | 7,828 |
2023 |  |  | 6,608 |
2024 |  |  | 6,459 |
2025 |  |  | 5,033 |
2026 |  |  | 1,450 |
2027 and thereafter |  |  | 7,560 |
Total |  | $ | 34,938 |

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