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Note 7 - Goodwill and Other Acquired Intangible Assets, Net (Tables) | 3 Months Ended
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Mar. 31, 2021
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of Other Intangible Assets [Table Text Block] | The following is a summary of the gross and net carrying amounts and accumulated amortization (including impairment) of our other acquired intangible assets as of the periods indicated.
|  | March 31, 2021 |  | December 31, 2020
(In thousands) |  | Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Amount |  | Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Amount
Client relationships |  | $ | 43,550 |  |  | $ | (32,324) |  |  | $ | 11,226 |  |  | $ | 43,550 |  |  | $ | (31,559) |  |  | $ | 11,991 |
Technology |  | 8,285 |  |  | (7,446) |  |  | 839 |  |  | 8,285 |  |  | (7,370) |  |  | 915 |
Licenses |  | 463 |  |  | (149) |  |  | 314 |  |  | 463 |  |  | (128) |  |  | 335 |
Total |  | $ | 52,298 |  |  | $ | (39,919) |  |  | $ | 12,379 |  |  | $ | 52,298 |  |  | $ | (39,057) |  |  | $ | 13,241 |

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