Derivative Warrants Liabilities (Details 1) - 12 months ended Dec. 31, 2018	$ / shares shares	₪ / shares shares
Series A (Mar-2016) (10B(a)) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Outstanding and Exercisable \| shares
Exercise Price Per Share \| $ / shares	$ 0.86
Exercisable Through	August 2017	August 2017
Series A (Mar-2016) (10B(a)) [Member] \| NIS [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise Price Per Share \| ₪ / shares		₪ 3
Series B (Mar-2016) (10B(a)) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Outstanding and Exercisable \| shares	9,752,984	9,752,984
Exercise Price Per Share \| $ / shares	$ 1.53
Exercisable Through	February 2019	February 2019
Series B (Mar-2016) (10B(a)) [Member] \| NIS [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise Price Per Share \| ₪ / shares		₪ 4
Series A (May-2016) (10B(b)) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Outstanding and Exercisable \| shares
Exercise Price Per Share \| $ / shares	$ 0.86
Exercisable Through	November 2017	November 2017
Series A (May-2016) (10B(b)) [Member] \| NIS [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise Price Per Share \| ₪ / shares		₪ 3
Series B (May-2016) (10B(b)) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Outstanding and Exercisable \| shares	2,028,568	2,028,568
Exercisable Through	May 2019	May 2019
Series B (May-2016) (10B(b)) [Member] \| NIS [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise Price Per Share \| ₪ / shares		₪ 4
Series E (Oct-2016) (10B(c)) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Outstanding and Exercisable \| shares	2,687,197	2,687,197
Exercise Price Per Share \| $ / shares	$ 0.86
Exercisable Through	October 2019	October 2019
Series E (Oct-2016) (10B(c)) [Member] \| NIS [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise Price Per Share \| ₪ / shares		₪ 3

General descriptive information regarding an arrangement under which employees and directors receive: (a) awards of equity shares, equity share options, or other equity instruments; or (b) the entity incurs liabilities to them: (1) in amounts based, at least in part, on the price of the entity's shares or other equity instruments; or (2) that require or may require settlement by issuance of the entity's shares. Such an arrangement is usually provided to employees and directors to compensate them, provide performance incentives to them, and to attract or retain their services. May also include pertinent information particular to a plan that is not elsewhere specified in the taxonomy.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5047-113901

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

+ 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 (c)(1)(iii)
-URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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