SIGNIFICANT ACCOUNTING POLICIES (Tables)

12 Months Ended

Dec. 31, 2017

SIGNIFICANT ACCOUNTING POLICIES

Property and equipment rates of estimated useful lives

	%
Computers and peripheral equipment	33
Laboratory equipment	7 - 15
Office furniture and equipment	6
Leasehold improvements	Over the shorter of the lease term or useful economic life

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

Assets:

	December 31, 2016
	Fair value measurements
Description	Fair value		Level 1		Level 2		Level 3
Reverse Repurchase Agreements	$	13,001	$	—	$	13,001	$	—
Money Market Funds		6,455		6,455		—		—
Total financial assets	$	19,456	$	6,455	$	13,001	$	—

	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:

	December 31, 2016
	Fair value measurements
Description	Fair value			Level 1		Level 2		Level 3
Warrants to purchase Ordinary Shares	$	(7,078	)	$	—	$	—	$	(7,078	)
Total financial liabilities	$	(7,078	)	$	—	$	—	$	(7,078	)

	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	)