CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2020	Mar. 31, 2019
Cash flows used in operating activities:
Net loss		$ (3,840)	$ (4,000)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation		75	94
Share-based compensation to employees and non-employees		199	319
Deferred taxes		(4)	(36)
Changes in assets and liabilities:
Trade receivables, net		68	(334)
Prepaid expenses, operating lease right-of-use assets and other assets		(448)	(240)
Inventories		(267)	(238)
Trade payables		79	238
Employees and payroll accruals		(143)	(56)
Deferred revenues and advances from customers		(64)	(25)
Other liabilities		4	25
Net cash used in operating activities		(4,341)	(4,253)
Cash flows used in investing activities:
Purchase of property and equipment		(9)
Net cash used in investing activities		(9)
Cash flows from financing activities:
Repayment of long term loan		(1,266)	(401)
Issuance of ordinary shares in a "best efforts" offering, net of issuance expenses paid in the amount of $496	[1]		3,874
Issuance of ordinary shares in a "best efforts" offerings, net of issuance expenses paid in the amount of $ 1,044	[1]	4,022
Exercise of pre-funded warrants and warrants	[1]	1,934	107
Net cash provided by financing activities		4,690	3,580
Increase (decrease) in cash, cash equivalents, and restricted cash		340	(673)
Cash, cash equivalents, and restricted cash at beginning of period		16,992	10,347
Cash, cash equivalents, and restricted cash at end of period		17,332	9,674
Supplemental disclosures of non-cash flow information
Classification of inventory to property and equipment, net		50
"Best efforts" offering issuance cost not yet paid	[1]	12	189
Initial recognition of operating lease right-of-use assets			2,099
Initial recognition of operating lease liabilities			(2,249)
Supplemental cash flow information:
Cash and cash equivalents		16,602	8,862
Restricted cash included in other long term assets		730	812
Total Cash, cash equivalents, and restricted cash		$ 17,332	$ 9,674

[1] See Note 7f to the condensed consolidated financial statements