CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands		9 Months Ended
		Sep. 30, 2020	Sep. 30, 2019
Cash flows used in operating activities:
Net loss		$ (10,031)	$ (11,976)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation		215	242
Share-based compensation to employees and non-employees		544	869
Deferred taxes		(68)	(67)
Financial expenses related to long-term loans		59
Changes in assets and liabilities:
Trade receivables, net		79	186
Prepaid expenses, operating lease right-of-use assets and other assets		33	(397)
Inventories		(634)	(828)
Trade payables		(633)	625
Employees and payroll accruals		17	(56)
Deferred revenues and advances from customers		227	180
Operating lease liabilities and other liabilities		61	(3)
Net cash used in operating activities		(10,131)	(11,225)
Cash flows used in investing activities:
Purchase of property and equipment		(73)	(8)
Net cash used in investing activities		(73)	(8)
Cash flows from financing activities:
Repayment of long-term loan		(3,982)	(1,261)
Proceeds from issuance of long-term debt		392
Issuance of ordinary shares in a "best efforts" offering, net of issuance expenses in the amount of $ 686	[1]		3,684
Issuance of ordinary shares in a "registered direct" offerings, net of issuance expenses in the amount of $1,035	[1]		8,215
Issuance of ordinary shares in a "warrant exercise" agreement, net of issuance expenses in the amount of $ 1,019	[1]		9,966
Issuance of ordinary shares in a "best efforts" offerings, net of issuance expenses paid in the amount of $ 1,056	[1]	4,010
Issuance of ordinary shares in a "registered direct" offerings, net of issuance expenses in the amount of $977	[1]	8,023
Exercise of pre-funded warrants and warrants	[1],[2]	3,505	1,429
Net cash provided by financing activities		11,948	22,033
Increase in cash, cash equivalents, and restricted cash		1,744	10,800
Cash, cash equivalents, and restricted cash at beginning of period		16,992	10,347
Cash, cash equivalents, and restricted cash at end of period		18,736	21,147
Supplemental disclosures of non-cash flow information
"Registered direct" offerings issuance cost not yet paid	[1]	42
Classification of other current assets to property and equipment, net		65	90
Classification of inventory to property and equipment, net		50	88
Cashless exercise of pre-funded warrants	[1],[2]		72
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		18,050	20,410
Restricted cash included in other long-term assets		686	737
Total Cash, cash equivalents, and restricted cash		$ 18,736	$ 21,147

[1] See Note 8f to the condensed consolidated financial statements.

[2] See Note 8d to the condensed consolidated financial statements.