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Stock-Based Compensation (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2018 | Sep. 30, 2017 | Sep. 30, 2018 | Sep. 30, 2017
Summary of stock-based compensation expense |  |  |  |
Total stock-based compensation expense |  | $ 17 | $ 29 | $ 56
Remaining unrecognized expense, Stock-based compensation |  |  |  |
Sales and marketing [Member] |  |  |  |
Summary of stock-based compensation expense |  |  |  |
Total stock-based compensation expense |  | 11 | 6 | 39
General and administrative [Member] |  |  |  |
Summary of stock-based compensation expense |  |  |  |
Total stock-based compensation expense |  | $ 6 | $ 23 | $ 17

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- Definition Stock based compensation expense. + References No definition available. + Details
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- Definition Unrecognized cost of unvested options awarded to employees as compensation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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- Definition The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method. + 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=109223946&loc=d3e3602-108585 + Details
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- Details
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- Details
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