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Other Current Liabilities (Tables) | 12 Months Ended
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Dec. 31, 2017
Other Liabilities, Current [Abstract] |
Schedule of Other Current Liabilities |
| December 31,
| 2017 |  | 2016
| (In thousands)
Accrued legal | $ | 2,202 |  |  | $ | 3,096 |
Income taxes payable | 219 |  |  | 164 |
Other current liabilities | 1,475 |  |  | 1,149 |
Total other current liabilities | $ | 3,896 |  |  | $ | 4,409 |

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