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Goodwill and Intangible Assets (Tables) | 6 Months Ended
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Jun. 30, 2018
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of Goodwill [Table Text Block] | The changes in the carrying amount of goodwill for the six months ended June 30, 2018 and 2017 were as follows (in thousands):
Goodwill |  |  |
Balance as of January 1, 2018 |  | $ | 2,832 |
Foreign currency translation adjustment |  |  | (49 | )
Goodwill impairment |  |  | (675 | )
Balance as of June 30, 2018 |  | $ | 2,108 |
Balance as of January 1, 2017 |  | $ | 2,734 |
Foreign currency translation adjustment |  |  | 42 |
Balance as of June 30, 2017 |  | $ | 2,776 |
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 |  |  |  |
|  | Developed |  |  | Customer |  |  | and trade |  |  |  |  |  | Contact |  |  |  |
|  | technology |  |  | relationships |  |  | 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 |  |  | (107 | ) |  |  | (104 | ) |  |  | (13 | ) |  |  | (2 | ) |  |  | (21 | ) |  |  | (247 | )
Balance as of June 30, 2018 |  | $ | 3,097 |  |  | $ | 2,160 |  |  | $ | 871 |  |  | $ | 44 |  |  | $ | 3,626 |  |  | $ | 9,798 |
|  |  |  |  |  |  |  | Trademarks |  |  |  |  |  | Media |  |  |  |
|  | Developed |  |  | Customer |  |  | and trade |  |  |  |  |  | Contact |  |  |  |
|  | technology |  |  | relationships |  |  | 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 |  |  | 84 |  |  |  | 65 |  |  |  | 4 |  |  |  | 1 |  |  |  | 75 |  |  |  | 229 |
Balance as of June 30, 2017 |  | $ | 3,103 |  |  | $ | 2,177 |  |  | $ | 869 |  |  | $ | 44 |  |  | $ | 3,585 |  |  | $ | 9,778 |
|  |  |  |  |  |  |  | Trademarks |  |  |  |  |  | Media |  |  |  |
|  | Developed |  |  | Customer |  |  | and trade |  |  |  |  |  | Contact |  |  |  |
|  | technology |  |  | relationships |  |  | names |  |  | Patents |  |  | Database |  |  | Total |
Accumulated amortization: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance as of January 1, 2018 |  | $ | 902 |  |  | $ | 645 |  |  | $ | 330 |  |  | $ | 15 |  |  | $ | 547 |  |  | $ | 2,439 |
Amortization expense |  |  | 159 |  |  |  | 93 |  |  |  | 61 |  |  |  | 2 |  |  |  | 181 |  |  |  | 496 |
Foreign currency translation |  |  | (39 | ) |  |  | (33 | ) |  |  | (5 | ) |  |  | - |  |  |  | (3 | ) |  |  | (80 | )
Balance as of June 30, 2018 |  | $ | 1,022 |  |  | $ | 705 |  |  | $ | 386 |  |  | $ | 17 |  |  | $ | 725 |  |  | $ | 2,855 |
|  |  |  |  |  |  |  | Trademarks |  |  |  |  |  | Media |  |  |  |
|  | Developed |  |  | Customer |  |  | and trade |  |  |  |  |  | Contact |  |  |  |
|  | technology |  |  | relationships |  |  | names |  |  | Patents |  |  | Database |  |  | Total |
Accumulated amortization: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance as of January 1, 2017 |  | $ | 545 |  |  | $ | 425 |  |  | $ | 203 |  |  | $ | 10 |  |  | $ | 175 |  |  | $ | 1,358 |
Amortization expense |  |  | 153 |  |  |  | 89 |  |  |  | 60 |  |  |  | 2 |  |  |  | 181 |  |  |  | 485 |
Foreign currency translation |  |  | 18 |  |  |  | 15 |  |  |  | 2 |  |  |  | 1 |  |  |  | 2 |  |  |  | 38 |
Balance as of June 30, 2017 |  | $ | 716 |  |  | $ | 529 |  |  | $ | 265 |  |  | $ | 13 |  |  | $ | 358 |  |  | $ | 1,881 |
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] | Estimated amortization expense for intangible assets after June 30, 2018 is as follows (in thousands):
Year |  | Amortization |
2018 |  | $ | 521 |
2019 |  |  | 945 |
2020 |  |  | 912 |
2021 |  |  | 912 |
2022 |  |  | 912 |
Thereafter |  |  | 2,741 |
|  | $ | 6,943 |

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