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MARKETABLE SECURITIES (Tables)

3 Months Ended

Mar. 31, 2018

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, 2018 (Unaudited)
		Amortized cost				Gross unrealized gains				Gross unrealized losses				Fair value
Available-for-sale - matures within one year:
Corporate bonds		$	9,016			$	—			$	(20	)		$	8,996
			9,016				—				(20	)			8,996
Available-for-sale - matures after one year through five years:
Certificate of deposits			747				—				—				747
Government bonds			501				—				(10	)			491
Corporate bonds			76,310				37				(1,369	)			74,978
			77,558				37				(1,379	)			76,216
Total		$	86,574			$	37			$	(1,399	)		$	85,212
		December 31, 2017 (Audited)
		Amortized cost				Gross unrealized gains				Gross unrealized losses				Fair value
Available-for-sale - matures within one year:
Corporate bonds		$	11,803			$	3			$	(12	)		$	11,794
			11,803				3				(12	)			11,794
Available-for-sale - matures after one year through five years:
Certificate of deposits			747				—				—				747
Government bonds			501				—				(6	)			495
Corporate bonds			70,291				14				(677	)			69,628
			71,539				14				(683	)			70,870
Total		$	83,342			$	17			$	(695	)		$	82,664

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, 2018 and December 31, 2017, 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, 2018 (unaudited)		$	49,387			$	(883	)		$	22,135			$	(516	)
As of December 31, 2017		$	49,921			$	(411	)		$	22,960			$	(284	)

Summary of Gross Realized Gains and Losses 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,
		2018 (unaudited)				2017 (unaudited)
Gross realized gains from sale of available-for-sale marketable securities		$	4			$	—
Gross realized losses from sale of available-for-sale marketable securities		$	—			$	(38	)

X

- Definition

Tabular disclosure of fair value of investments in debt and equity securities in an unrealized loss position categorized neither as held-to-maturity nor trading securities.

+ References

No definition available.

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- Definition

Tabular disclosure of the reconciliation of available-for-sale securities from cost basis to fair value.

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- Definition

Tabular disclosure of the proceeds from sales of available-for-sale securities and the gross realized gains and gross realized losses that have been included in earnings as a result of those sales.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 9
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27357-111563

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