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Selling and Marketing Expenses (Tables)

12 Months Ended

Dec. 31, 2018

Selling And Marketing Expenses

Schedule of selling and marketing expenses

		Year ended December 31
		2018				2017				2016
		U.S. dollars in thousands
Payroll and related expenses			2,801				1,567				695
Share-based payment			123				573				771
Professional fees			1,118				823				741
Marketing			699				490				353
Other			801				598				332
			5,542				4,051				2,892