FAIR VALUE MEASUREMENT (Tables)

3 Months Ended

Mar. 31, 2018

FAIR VALUE MEASUREMENT

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

Assets:

	March 31, 2018
	Fair value measurements
	Unaudited
Description	Fair value		Level 1		Level 2		Level 3
Reverse Repurchase Agreements	$	24,405	$	—	$	24,405	$	—
Money Market Funds	279		279		—		—
Total financial assets	$	24,684	$	279	$	24,405	$	—

	December 31, 2017
	Fair value measurements
Description	Fair value		Level 1		Level 2		Level 3
Reverse Repurchase Agreements	$	30,407	$	—	$	30,407	$	—
Money Market Funds	185		185		—		—
Total financial assets	$	30,592	$	185	$	30,407	$	—

Liabilities:

	March 31, 2018
	Fair value measurements
	Unaudited
Description	Fair value			Level 1		Level 2		Level 3
Warrants to purchase Ordinary Shares	$	(15,544	)	$	—	$	—	$	(15,544	)
Total financial liabilities	$	(15,544	)	$	—	$	—	$	(15,544	)

	December 31, 2017
	Fair value measurements
Description	Fair value			Level 1		Level 2		Level 3
Warrants to purchase Ordinary Shares	$	(11,343	)	$	—	$	—	$	(11,343	)
Total financial liabilities	$	(11,343	)	$	—	$	—	$	(11,343	)

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, 2018	$	11,343
Decrease in the fair value of the warrants (see Note 4)	4,201
Balance at March 31, 2018 (unaudited)	$	15,544