MARKETABLE SECURITIES (Tables)

3 Months Ended

Mar. 31, 2016

Cash and Cash Equivalents [Abstract]

Summary of Available-for-Sale Marketable Securities

The following is a summary of available-for-sale marketable securities:

	March 31, 2016 (Unaudited)
	Amortized cost		Gross unrealized gains		Gross unrealized losses			Fair value
Available-for-sale - matures within one year:
Certificate of deposits	$	1	$	—	$	—		$	1
Corporate bonds		6,084		—		(19	)		6,065
		6,085		—		(19	)		6,066
Available-for-sale - matures after one year through three years:
Government bonds		501		—		(1	)		500
Corporate bonds		47,945		40		(260	)		47,725
		48,446		40		(261	)		48,225
Total	$	54,531	$	40	$	(280	)	$	54,291

	December 31, 2015 (Audited)
	Amortized cost		Gross unrealized gains		Gross unrealized losses			Fair value
Available-for-sale - matures within one year:
Certificate of deposits	$	1	$	—	$	—		$	1
Corporate bonds		9,257		1		(50	)		9,208
		9,258		1		(50	)		9,209
Available-for-sale - matures after one year through three years:
Corporate bonds		39,501		—		(444	)		39,057
		39,501		—		(444	)		39,057
Total	$	48,759	$	1	$	(494	)	$	48,266

Summary of Gross Unrealized Losses and Fair Values on Investments

The following table presents gross unrealized losses and fair values for those investments that were in an unrealized loss position as of March 31, 2016 and December 31, 2015, and the length of time that those investments have been in a continuous loss position:

	Less than 12 months					12 months or greater
	Fair value		Gross unrealized loss			Fair value		Gross unrealized loss
As of March 31, 2016	$	31,619	$	(228	)	$	9,189	$	(52	)
As of December 31, 2015	$	32,695	$	(389	)	$	14,488	$	(105	)

Summary of Gross Realized Gain and Loss from Sale of Available-for-Sale Marketable Securities

The following table presents gross realized gains and losses from sale of available-for-sale marketable securities:

	Three months ended March 31,
	2016			2015
	(unaudited)			(unaudited)
Gross realized gains from sale of available-for-sale marketable securities	$	—		$	1
Gross realized losses from sale of available-for-sale marketable securities	$	(30	)	$	(14	)