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Basis of Presentation and Summary of Significant Accounting Policies - Reconciliation of Basic and Diluted Loss per Share (Details) - USD ($) shares in Thousands, $ in Thousands | 3 Months Ended
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Mar. 31, 2020 | Mar. 31, 2019
Accounting Policies [Abstract] |  |
Securities excluded from net loss per share calculation (in shares) | 8 | 28
Numerator: |  |
Net Income (Loss) Attributable to Parent | $ (541) | $ (2,865)
Denominator: |  |
Basic weighted average common shares outstanding (in shares) | 15,430 | 12,126

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