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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 | 9 Months Ended
--- | --- | ---
Sep. 30, 2020 | Sep. 30, 2019 | Sep. 30, 2020 | Sep. 30, 2019
Numerator: |  |  |  |  |
Net loss |  | $ (1,165) | $ (946) | $ (6,046) | $ (6,065)
Net loss per share - basic and diluted |  |  |  |  |
Basic weighted average common shares outstanding (in shares) | [1] | 3,308 | 2,474 | 3,196 | 2,455
[1] | * Shares outstanding for prior periods have been restated for the 1-for-5 reverse stock split effective June 11, 2020.

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