Additional Information to the Statements of Comprehensive Loss (Details 1) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Statement Line Items [Line Items]
Revenues	$ 23,101	$ 16,397	$ 11,145
Percentage of revenues	100.00%	100.00%	100.00%
U.S [Member]
Statement Line Items [Line Items]
Revenues	$ 20,636	$ 14,478	$ 9,957
Percentage of revenues	89.00%	88.00%	89.00%
Europe [Member]
Statement Line Items [Line Items]
Revenues	$ 1,353	$ 1,102	$ 871
Percentage of revenues	6.00%	7.00%	8.00%
Israel [Member]
Statement Line Items [Line Items]
Revenues	$ 267	$ 371	$ 180
Percentage of revenues	1.00%	2.00%	2.00%
Other [Member]
Statement Line Items [Line Items]
Revenues	$ 845	$ 446	$ 137
Percentage of revenues	4.00%	3.00%	1.00%

Expiry date 2020-01-01: The income arising in the course of an entity's ordinary activities. Income is increases in economic benefits during the accounting period in the form of inflows or enhancements of assets or decreases of liabilities that result in an increase in equity, other than those relating to contributions from equity participants. Effective 2020-01-01: The income arising in the course of an entity's ordinary activities. Income is increases in assets, or decreases in liabilities, that result in increases in equity, other than those relating to contributions from holders of equity claims.

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+ Details