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Stock-Based Compensation (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2019 | Jun. 30, 2018
Summary of stock-based compensation expense |  |  |  |
Total stock-based compensation expense |  | $ 17 |  | $ 29
Sales and marketing [Member] |  |  |  |
Summary of stock-based compensation expense |  |  |  |
Total stock-based compensation expense |  | (2) |  | 6
General and administrative [Member] |  |  |  |
Summary of stock-based compensation expense |  |  |  |
Total stock-based compensation expense |  | $ 19 |  | $ 23

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- Definition Stock based compensation expense. + References No definition available. + Details
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- Definition Amount of noncash expense for share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585 + Details
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- Details
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- Details
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