Research and Develoment, Net (Tables)

12 Months Ended

Dec. 31, 2018

Research and Development [Abstract]

Schedule of research and develoment, net

	Year ended December 31,
	2018			2017		2016
	USD in thousands
Payroll and related expenses (*)		5,793			2,083		221
Subcontracted work and consulting		1,744			1,238		588
Share based payments to service provider		43			112		--
Rent and office maintenance		629			281		--
Travel expenses		76			79		--
Other		393			296		95
Sales of prototypes		(40	)		--		--
		8,638			4,089		904

(*) Includes Share-based payment of USD 578 and USD 379 in 2018 and 2017, respectively.