CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2017	Mar. 31, 2016
Cash flows from operating activities:
Net loss		$ (6,400)	$ (6,922)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation		180	163
Share-based compensation to employees and non- employees		851	717
Deferred taxes		(47)	(13)
Financial expenses related to long term loan		33	156
Changes in assets and liabilities:
Trade receivables, net		(147)	(295)
Prepaid expenses and other current and long term assets		(225)	(607)
Inventories		188	(526)
Trade payables		(438)	378
Employees and payroll accruals		(313)	(82)
Deferred revenues and advances from customers		127	44
Other current and long term liabilities		141	50
Net cash used in operating activities		(6,050)	(6,937)
Cash flows from investing activities:
Purchase of property and equipment		(10)	(129)
Net cash used in investing activities		(10)	(129)
Cash flows from financing activities:
Issuance of ordinary shares upon exercise of options to purchase ordinary shares by employees and non employees		20	0
Proceeds from long term loan		0	12,000
Debt issuance cost		0	(441)
Repayment of long term loan		(1,168)	(553)
Issuance of ordinary shares in at-the-market offering, net of issuance expenses paid in the amount of $41	[1]	658	0
Net cash provided by (used in) financing activities		(490)	11,006
Increase (decrease) in cash and cash equivalents		(6,550)	3,940
Cash and cash equivalents at beginning of period		23,678	17,869
Cash and cash equivalents at end of period		17,128	21,809
Supplemental disclosures of non-cash flow information
At-the-market offering expenses not yet paid		47	0
Issuance of ordinary shares upon exercise of stock options by employees and non-employees		0	38
Classification of inventory to property and equipment, net		$ 29	$ 0

[1] (1) See Note 7e to the condensed consolidated financial statements.