CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
Sep. 30, 2018	Sep. 30, 2017
CASH FLOWS FROM OPERATING ACTIVITIES:
Net loss	$ (36,238)	$ (70,135)
Adjustments required to reconcile net loss to net cash used in operating activities:
Share based compensation	96	291
Depreciation	1,257	1,469
Financial (income) expenses, net (mainly exchange differences)	(37)	13
Changes in accrued liability for employee rights upon retirement	(86)	54
Gain on amounts funded in respect of employee rights upon retirement	(45)	(21)
Net loss in connection with conversions of convertible notes	204	587
Change in fair value of convertible notes embedded derivative		38,061
Amortization of debt issuance costs and debt discount	1,916	1,710
Issuance of shares for interest payment in connection with conversions of convertible notes	205	1,111
Changes in operating assets and liabilities:
Increase (decrease) in deferred revenues	34,929	(837)
Increase in deferred asset	(1,450)
Increase in accounts receivable and other assets	(3,661)	(6,467)
Increase in inventories	(126)	(2,234)
Increase (decrease) in accounts payable and accruals	(1,805)	8,698
Increase in other long term liabilities	1,103
Net cash used in continuing operations	(3,738)	(27,700)
Net cash provided by discontinued operations		116
Net cash used in operating activities	(3,738)	(27,584)
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchase of property and equipment	(498)	(681)
Increase in restricted deposit	(247)	(336)
Amounts funded in respect of employee rights upon retirement, net	70	(68)
Net cash used in investing activities	(675)	(1,085)
CASH FLOWS FROM FINANCING ACTIVITIES:
Net payment for convertible notes	(4,752)	(10,961)
Net proceeds from issuance of convertible notes		9,542
Net cash used in financing activities	(4,752)	(1,419)
EFFECT OF EXCHANGE RATE CHANGES ON CASH AND CASH EQUIVALENTS	(130)	289
NET DECREASE IN CASH AND CASH EQUIVALENTS	(9,295)	(29,799)
BALANCE OF CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	51,163	63,281
BALANCE OF CASH AND CASH EQUIVALENTS AT END OF PERIOD	41,868	33,482
SUPPLEMENTARY INFORMATION ON INVESTING AND FINANCING ACTIVITIES NOT INVOLVING CASH FLOWS:
Purchase of property and equipment	237	666
Convertible notes conversions	2,236	7,668
SUPPLEMENTARY DISCLOSURE ON CASH FLOWS
Interest paid	$ 2,411	$ 2,613

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Amount of cash (inflow) outflow from investing activities classified as other.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 3
-Subparagraph (SX 210.12-04(a))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24072-122690

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3213-108585

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3179-108585

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Period Type:	duration

- Definition

The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3213-108585

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Period Type:	duration

- Definition

Amount of cost (reversal of cost) for pension and other postretirement benefits.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The cash inflow from the issuance of a long-term debt instrument which can be exchanged for a specified amount of another security, typically the entity's common stock, at the option of the issuer or the holder.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3255-108585

+ Details

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Namespace Prefix:	us-gaap_
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Balance Type:	debit
Period Type:	duration

- Definition

The cash outflow from the repayment of a long-term debt instrument which can be exchanged for a specified amount of another security, typically the entity's common stock, at the option of the issuer or the holder.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3291-108585

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- Definition

The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

+ References

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Balance Type:	debit
Period Type:	duration

- References

No definition available.

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Balance Type:	na
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