MARKETABLE SECURITIES (Tables)

3 Months Ended

Mar. 31, 2014

Cash And Cash Equivalents [Abstract]

Summary of Available-for-Sale Marketable Securities

The following is a summary of available-for-sale marketable securities at March 31, 2014 and December 31, 2013:

	As at March 31, 2014 (Unaudited)
	Amortized cost		Gross unrealized gains		Gross unrealized losses			Fair value
Available-for-sale securities - matures within one year:
Corporate bonds	$	3,549	$	15	$	(4	)	$	3,560
Available-for-sale securities - matures after one year through three years:
Corporate bonds		61,885		140		(247	)		61,778
Total	$	65,434	$	155	$	(251	)	$	65,338

	As at December 31, 2013 (Audited)
	Amortized cost		Gross unrealized gains		Gross unrealized losses			Fair value
Available-for-sale securities - matures within one year:
Corporate bonds	$	2,852	$	6	$	(3	)	$	2,855
Available-for-sale securities - matures after one year through three years:
Corporate bonds		65,702		134		(227	)		65,609
Total	$	68,554	$	140	$	(230	)	$	68,464

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, 2014 and December 31, 2013, 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, 2014	$	25,517	$	(213	)	$	6,850	$	(38	)
As of December 31, 2013	$	28,535	$	(208	)	$	4,278	$	(22	)

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

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

	Three months ended March 31,
	2014			2013
	(unaudited)			(unaudited)
Gross realized gain from sale of available-for-sale marketable securities	$	11		$	152
Gross realized loss from sale of available-for-sale marketable securities	$	(12	)	$	(9	)