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Note 6 - Goodwill and Other Acquired Intangible Assets, Net (Tables) | 6 Months Ended
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Jun. 30, 2020
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of Goodwill [Table Text Block] | The following table shows the changes in the carrying amount of goodwill for the year-to-date periods ended December 31, 2019 and June 30, 2020:
(In thousands) | Goodwill |  | Accumulated Impairment Losses |  | Net
Balance at December 31, 2018 | $ | 200,561 |  |  | $ | (186,469) |  |  | $ | 14,092 |
Goodwill acquired | 538 |  |  | — |  |  | 538 |
Impairment losses | — |  |  | (4,828) |  |  | (4,828) |
Balance at December 31, 2019 | 201,099 |  |  | (191,297) |  |  | 9,802 |
Goodwill disposed (1) | (191,297) |  |  | 191,297 |  |  | — |
Balance at June 30, 2020 | $ | 9,802 |  |  | $ | — |  |  | $ | 9,802 |
______________________ (1)Related to the sale of Clayton in January 2020. See Note 7 of Notes to Consolidated Financial Statements in our 2019 Form 10-K for additional information on the sale of Clayton.
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:
| June 30, 2020 |  |  |  |
(In thousands) | Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Amount
Client relationships | $ | 43,550 |  |  | $ | (28,921) |  |  | $ | 14,629 |
Technology | 8,285 |  |  | (6,884) |  |  | 1,401 |
Trade name and trademarks | 480 |  |  | (442) |  |  | 38 |
Licenses | 463 |  |  | (104) |  |  | 359 |
Total | $ | 52,778 |  |  | $ | (36,351) |  |  | $ | 16,427 |
| December 31, 2019 |  |  |  |
(In thousands) | Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Amount
Client relationships | $ | 43,550 |  |  | $ | (27,269) |  |  | $ | 16,281 |
Technology | 8,435 |  |  | (6,789) |  |  | 1,646 |
Trade name and trademarks | 480 |  |  | (404) |  |  | 76 |
Licenses | 463 |  |  | (81) |  |  | 382 |
Total | $ | 52,928 |  |  | $ | (34,543) |  |  | $ | 18,385 |

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