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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, 2019 | Sep. 30, 2018 | Sep. 30, 2019 | Sep. 30, 2018
Accounting Policies [Abstract] |  |  |  |
Securities excluded from net loss per share calculation (in shares) | 0 | 62 | 31 | 90
Numerator: |  |  |  |
Net loss | $ (946) | $ (1,920) | $ (6,065) | $ (6,114)
Denominator: |  |  |  |
Basic weighted average common shares outstanding (in shares) | 12,370 | 12,059 | 12,278 | 11,970
Diluted weighted average shares (in shares) | 12,370 | 12,059 | 12,278 | 11,970

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- Definition Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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