Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Income Statement [Abstract]
Research and development expenses, net	$ 8,638	$ 4,089	$ 904
Marketing and sales	987	1,015	224
General and administrative	3,696	3,753	2,627
Operating loss	13,321	8,857	3,755
Equity in net loss (gain) of an affiliated company	2,905	(156)	108
Financial expenses (income), net	(1,569)	7,241	(1,950)
Net Loss	$ 14,657	$ 15,942	$ 1,913
Basic and diluted loss per share (in USD)	$ (0.12)	$ (0.17)	$ (0.03)
Weighted average number of shares outstanding used in computing basic and diluted loss per share - in thousands	120,612	94,401	67,311

The amount of net income or loss for the period per each share in instances when basic and diluted earnings per share are the same amount and reported as a single line item on the face of the financial statements. Basic earnings per share is the amount of net income or loss for the period per each share of common stock or unit outstanding during the reporting period. Diluted earnings per share includes the amount of net income or loss for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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