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Leases - Schedule of Condensed Consolidated Balance Sheet (Details) - USD ($) $ in Thousands | Mar. 31, 2019 | Jan. 02, 2019 | Dec. 31, 2018
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Leases [Abstract] |  |  |
Right-of-use asset | $ 215 | $ 228 |
Other current liabilities | 53 |  |
Other noncurrent liabilities | $ 188 |  |

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