CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands		6 Months Ended
		Jun. 30, 2020		Jun. 30, 2019
Cash flows used in operating activities:
Net loss		$ (6,695)		$ (8,587)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation		151		173
Share-based compensation to employees and non-employees		312		633
Deferred taxes		(50)		(51)
Changes in assets and liabilities:
Trade receivables, net		(260)		341
Prepaid expenses, operating lease right-of-use assets and other assets		(240)		(632)
Inventories		(382)		(421)
Trade payables		(581)		399
Employees and payroll accruals		126		(12)
Deferred revenues and advances from customers		29		202
Operating lease liabilities and other liabilities		57		(1)
Net cash used in operating activities		(7,533)		(7,956)
Cash flows used in investing activities:
Purchase of property and equipment		(15)
Net cash used in investing activities		(15)
Cash flows from financing activities:
Repayment of long-term loan		(2,591)		(821)
Proceeds from issuance of long-term debt		392
Issuance of ordinary shares in a "best efforts" offerings, net of issuance expenses paid in the amount of $ 1,056	[2]	4,010	[1]
Issuance of ordinary shares in a "best efforts" offering, net of issuance expenses in the amount of $ 686	[2]			3,684
Issuance of ordinary shares in a "registered direct" offerings, net of issuance expenses in the amount of $1,035	[2]			8,215
Issuance of ordinary shares in a "warrant exercise" agreement, net of issuance expenses in the amount of $ 1,019	[2]			9,966
Exercise of pre-funded warrants and warrants	[1],[2]	3,492		1,429
Net cash provided by financing activities		5,303		22,473
Increase (decrease) in cash, cash equivalents, and restricted cash		(2,245)		14,517
Cash, cash equivalents, and restricted cash at beginning of period		16,992		10,347
Cash, cash equivalents, and restricted cash at end of period		14,747		24,864
Supplemental disclosures of non-cash flow information
"Registered direct" offerings issuance cost not yet paid	[2]			90
Classification of other current assets to property and equipment, net		32
Classification of inventory to property and equipment, net		50
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		14,064		24,054
Restricted cash included in other long-term assets		683		810
Total Cash, cash equivalents, and restricted cash		$ 14,747		$ 24,864

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

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