FAIR VALUE MEASUREMENT (Tables)

6 Months Ended

Jun. 30, 2017

FAIR VALUE MEASUREMENT

Schedule of financial assets and liabilities measured at fair value on recurring basis

	June 30, 2017
	Unaudited
Description	Fair value			Level 1		Level 2		Level 3
Reverse repurchase agreements	$	39,004		$	—	$	39,004	$	—
Money market funds		405		405			—	—
Warrants to purchase Ordinary Shares		(24,391	)		—	—		(24,391		)
	$	15,018		$	405	$	39,004	$	(24,391	)

	December 31, 2016
Description	Fair value			Level 1		Level 2		Level 3
Reverse repurchase agreements	$	13,001		$	—	$	13,001	$	—
Money market funds	6,455			6,455		—		—
Warrants to purchase Ordinary Shares	(7,078		)	—		—		(7,078		)
	$	12,378		$	6,455	$	13,001	$	(7,078	)

Tabular presentation of components of liability associated with warrants to purchase Ordinary Shares

	Fair value of warrants to purchase Ordinary Shares
Balance at January 1, 2017	$	7,078
Warrants issued to investors (see Note 1e)	6,994
Warrants exercised (see Note 6)	(5,177		)
Increase in the fair value of the warrants (see Note 6)	15,496
Balance at June 30, 2017 (unaudited)	$	24,391