Finance Income (Expenses), Net (Tables)

12 Months Ended

Dec. 31, 2019

Finance Income (Expenses), Net [Abstract]

Schedule of finance income (expenses), net

	Year ended December 31,
	2019			2018		2017
	U.S. dollars in thousands
Finance expenses:
Issuance cost related to warrants to investors		-			-		329
Bank account management fees and commissions		29			7		8
Revaluation of marketable securities		574			-		-
Exchange differences		-			28		-
Total finance expenses		603			35		337
Finance income:
Revaluation of warrants to purchase ADS's		-			974		765
Revaluation of marketable securities		-			2,753		-
Interest income on bank deposits		93			87		16
Exchange differences		5			-		21
Total finance income		98			3,814		802
Finance income (expenses), net		(505	)		3,779		465