Marketable Securities

12 Months Ended

Dec. 31, 2011

NOTE 4:-

MARKETABLE SECURITIES

Marketable securities with contractual maturities of less than one year are as follows:


	December 31,
	2010								2011
	Amortized		Gross unrealized		Gross unrealized		Market		Amortized		Gross unrealized			Gross unrealized		Market
	cost		losses		gains		value		cost		losses			gains		Value

Foreign banks and government debentures	$	17,444	$	-	$	105	$	17,549	$	6,162	$	(46	)	$	7	$	6,123
Corporate debentures		6,628		-		23		6,651		4,212		(4	)		3		4,211

Total available-for-sale marketable securities	$	24,072	$	-	$	128	$	24,200	$	10,374	$	(50	)	$	10	$	10,334

Marketable securities with contractual maturities from one to three years are as follows:


	December 31,
	2010									2011
	Amortized		Gross unrealized			Gross unrealized		Market		Amortized		Gross unrealized			Gross unrealized		Market
	cost		losses			gains		value		cost		Losses			gains		Value

Foreign banks and government debentures	$	32,985	$	(81	)	$	333	$	33,237	$	34,989	$	(645	)	$	33	$	34,377
Corporate debentures		17,272		(6	)		175		17,441		16,720		(28	)		204		16,896

Total available-for-sale marketable securities	$	50,257	$	(87	)	$	508	$	50,678	$	51,709	$	(673	)	$	237	$	51,273

Marketable securities with contractual maturities of more than three years are as follows:


	December 31,
	2010									2011
	Amortized		Gross unrealized			Gross unrealized		Market		Amortized		Gross unrealized			Gross unrealized		Market
	cost		losses			gains		value		cost		Losses			gains		Value

U.S. Government debentures	$	2,510	$	(31	)	$	-	$	2,479	$	-	$	-		$	-	$	-
Foreign banks and government debentures		19,276		(275	)		15		19,016		33,623		(1,426	)		85		32,282
Corporate debentures		10,824		(137	)		4		10,691		18,935		(129	)		283		19,089

Total available-for-sale marketable securities	$	32,610	$	(443	)	$	19	$	32,186	$	52,558	$	(1,555	)	$	368	$	51,371

Investments with continuous unrealized losses for less than 12 months and 12 months or greater and their related fair values were as follows:


	December 31, 2011
	Investments with continuous unrealized losses for less than 12 months					Investments with continuous unrealized losses for 12 months or greater					Total investments with continuous unrealized losses
	Fair value		Unrealized losses			Fair value		unrealized losses			Fair value		unrealized losses

Foreign banks and government debentures	$	49,510	$	(1,999	)	$	6,858	$	(116	)	$	56,368	$	(2,115	)
Corporate debentures		8,943		(152	)		1,594		(10	)		10,537		(162	)

Total available-for-sale marketable securities	$	58,453	$	(2,151	)	$	8,452	$	(126	)	$	66,905	$	(2,277	)


	December 31, 2010
	Investments with continuous unrealized losses for less than 12 months					Investments with continuous unrealized losses for 12 months or greater				Total investments with continuous unrealized losses
	Fair value		Unrealized losses			Fair value		unrealized losses		Fair value		unrealized losses

U.S. Government debentures	$	2,479	$	(31	)	$	-	$	-	$	2,479	$	(31	)

Foreign banks and government debentures		25,354		(356	)		-		-		25,354		(356	)
Corporate debentures		10,896		(143	)		-		-		10,896		(143	)

Total available-for-sale marketable securities	$	38,729	$	(530	)	$	-	$	-	$	38,729	$	(530	)

As of December 31, 2010 and 2011, interest receivable amounted to $ 1,271 and $ 1,274, respectively, and is included within available for sale marketable securities in the balance sheets.

- Definition

Tabular disclosure of marketable securities. This may consist of investments in certain debt and equity securities, short-term investments and other assets.

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