FAIR VALUE MEASUREMENT (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
FAIR VALUE MEASUREMENT
Warrants to purchase Ordinary Shares	$ (24,391)	$ (7,078)
Fair Value \| Recurring basis
FAIR VALUE MEASUREMENT
Reverse Repurchase Agreements	39,004	13,001
Net financial assets (liabilities)	15,018	12,378
Fair Value \| Recurring basis \| Money Market Funds
FAIR VALUE MEASUREMENT
Money Market Funds	405	6,455
Fair Value \| Recurring basis \| Warrant to purchase Ordinary Shares
FAIR VALUE MEASUREMENT
Warrants to purchase Ordinary Shares	(24,391)	(7,078)
Level 1 \| Recurring basis
FAIR VALUE MEASUREMENT
Net financial assets (liabilities)	405	6,455
Level 1 \| Recurring basis \| Money Market Funds
FAIR VALUE MEASUREMENT
Money Market Funds	405	6,455
Level 2 \| Recurring basis
FAIR VALUE MEASUREMENT
Reverse Repurchase Agreements	39,004	13,001
Net financial assets (liabilities)	39,004	13,001
Level 3 \| Recurring basis
FAIR VALUE MEASUREMENT
Net financial assets (liabilities)	(24,391)	(7,078)
Level 3 \| Recurring basis \| Warrant to purchase Ordinary Shares
FAIR VALUE MEASUREMENT
Warrants to purchase Ordinary Shares	$ (24,391)	$ (7,078)

Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Cash
-URI http://asc.fasb.org/extlink&oid=6506951

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Cash Equivalents
-URI http://asc.fasb.org/extlink&oid=6507016

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

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- Definition

Fair value of asset after deduction of liability.

+ References

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- Definition

The carrying value of securities purchased to be resold in reverse repurchase transactions as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(m)(2)(i))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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- Definition

Value of outstanding derivative securities that permit the holder the right to purchase securities (usually equity) from the issuer at a specified price.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(i))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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