Stockholders' Equity (Deficit) (Details Textual) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2018	Mar. 31, 2017
Stockholders' Equity (Deficit) (Textual )
Unrecognized compensation cost	$ 106
Unrecognized compensation cost, weighted average period	1 year 6 months
Estimated average forfeiture rate	5.95%	12.34%

Percentage of estimated average forfeiture rate for the reporting period.

No definition available.

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- References

No definition available.

+ Details

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- Definition

Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (i)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

+ Details

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- Definition

Unrecognized cost of unvested options awarded to employees as compensation.

+ References

+ Details

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