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Goodwill and Intangible Assets (Tables) | 3 Months Ended
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Mar. 31, 2018
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of Goodwill [Table Text Block] | The changes in the carrying amount of goodwill for the three months ended March 31, 2018 and 2017 were as follows (in thousands):
Goodwill |  |  |  |
Balance as of January 1, 2018 |  | $ | 2,832 |
Foreign currency translation adjustment |  |  | 2 |
Balance as of March 31, 2018 |  | $ | 2,834 |
Balance as of January 1, 2017 |  | $ | 2,734 |
Foreign currency translation adjustment |  |  | 13 |
Balance as of March 31, 2017 |  | $ | 2,747 |
Schedule of Finite-Lived Intangible Assets [Table Text Block] | Information regarding the Company’s acquisition-related intangible assets is as follows (in thousands):
|  |  |  |  |  | Trademarks |  |  |  | Media |  |  |
|  |  |  |  |  | and |  |  |  | Contact |  |  |
|  | Developed technology |  | Customer relationships |  | trade names |  | Patents |  | Database |  | Total |
Gross carrying amounts: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance as of January 1, 2018 |  | $ | 3,204 |  | $ | 2,264 |  | $ | 884 |  | $ | 46 |  | $ | 3,647 |  | $ | 10,045 |
Foreign currency translation |  |  | (33) |  |  | (53) |  |  | - |  |  | (1) |  |  | 67 |  |  | (20) |
Balance as of March 31, 2018 |  | $ | 3,171 |  | $ | 2,211 |  | $ | 884 |  | $ | 45 |  | $ | 3,714 |  | $ | 10,025 |
|  |  |  |  |  | Trademarks |  |  |  | Media |  |  |
|  |  |  |  |  | and |  |  |  | Contact |  |  |
|  | Developed technology |  | Customer relationships |  | trade names |  | Patents |  | Database |  | Total |
Gross carrying amounts: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance as of January 1, 2017 |  | $ | 3,019 |  | $ | 2,112 |  | $ | 865 |  | $ | 43 |  | $ | 3,510 |  | $ | 9,549 |
Foreign currency translation |  |  | 20 |  |  | 16 |  |  | (6) |  |  | - |  |  | 18 |  |  | 48 |
Balance as of March 31, 2017 |  | $ | 3,039 |  | $ | 2,128 |  | $ | 859 |  | $ | 43 |  | $ | 3,528 |  | $ | 9,597 |
|  |  |  |  |  | Trademarks |  |  |  | Media |  |  |
|  |  |  |  |  | and |  |  |  | Contact |  |  |
|  | Developed technology |  | Customer relationships |  | trade names |  | Patents |  | Database |  | Total |
Accumulated amortization: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance as of January 1, 2018 |  | $ | 902 |  | $ | 645 |  | $ | 330 |  | $ | 15 |  | $ | 547 |  | $ | 2,439 |
Amortization expense |  |  | 80 |  |  | 47 |  |  | 31 |  |  | 1 |  |  | 90 |  |  | 249 |
Foreign currency translation |  |  | (15) |  |  | (17) |  |  | (2) |  |  | 1 |  |  | 12 |  |  | (21) |
Balance as of March 31, 2018 |  | $ | 967 |  | $ | 675 |  | $ | 359 |  | $ | 17 |  | $ | 649 |  | $ | 2,667 |
|  |  |  |  |  | Trademarks |  |  |  | Media |  |  |
|  |  |  |  |  | and |  |  |  | Contact |  |  |
|  | Developed technology |  | Customer relationships |  | trade names |  | Patents |  | Database |  | Total |
Accumulated amortization: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance as of January 1, 2017 |  | $ | 545 |  | $ | 425 |  | $ | 203 |  | $ | 10 |  | $ | 175 |  | $ | 1,358 |
Amortization expense |  |  | 77 |  |  | 45 |  |  | 30 |  |  | 1 |  |  | 90 |  |  | 243 |
Foreign currency translation |  |  | 2 |  |  | 3 |  |  | - |  |  | 1 |  |  | - |  |  | 6 |
Balance as of March 31, 2017 |  | $ | 624 |  | $ | 473 |  | $ | 233 |  | $ | 12 |  | $ | 265 |  | $ | 1,607 |
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] | Estimated amortization expense for intangible assets after March 31, 2018 is as follows (in thousands):
Year |  | Amortization |
2018 |  | $ | 999 |
2019 |  |  | 983 |
2020 |  |  | 934 |
2021 |  |  | 934 |
2022 |  |  | 934 |
Thereafter |  |  | 2,574 |
|  | $ | 7,358 |

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