MARKETABLE SECURITIES (Tables)

3 Months Ended

Mar. 31, 2014

Marketable Securities [Abstract]

Schedule of current available-for-sale marketable securities

At March 31, 2014, current available-for-sale marketable securities are as follows:

	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Estimated Fair Value
	(In thousands)
Corporate debt securities	$	33,964	$	15	$	(18	)	$	33,961
Total debt securities	33,964		15		(18		)	33,961
Equity securities	314		5,268		—			5,582
Total marketable securities	$	34,278	$	5,283	$	(18	)	$	39,543

At December 31, 2013, current available-for-sale marketable securities are as follows:

	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Estimated Fair Value
	(In thousands)
Corporate debt security	$	1,004	$	4	$	—	$	1,008
Total debt security	1,004		4		—		1,008
Equity securities	216		4,780		—		4,996
Total marketable securities	$	1,220	$	4,784	$	—	$	6,004

Schedule of contractual maturities of debt securities classified as available-for-sale

The contractual maturities of debt securities classified as current available-for-sale at March 31, 2014 are as follows:

	Amortized Cost		Estimated Fair Value
	(In thousands)
Due in one year or less	$	6,081	$	6,082
Due after one year through five years	27,883		27,879
Total	$	33,964	$	33,961

Schedule of Unrealized Loss on Investments

The following table summarizes investments in current available-for-sale marketable debt securities (4 in total at March 31, 2014) that have been in a continuous unrealized loss position for less than twelve months:

	March 31,
	2014					2013
	(In thousands)
	Fair Value		Gross Unrealized Losses			Fair Value		Gross Unrealized Losses
Corporate debt securities	$	16,174	$	(18	)	$	—	$	—
Total	$	16,174	$	(18	)	$	—	$	—

Schedule of proceeds from maturities and sales of current and non-current available-for-sale marketable securities and the related gross realized gains and losses

The following table presents the proceeds from maturities and sales of current and non-current available-for-sale marketable securities:

	Three Months Ended March 31,
	2014		2013
	(In thousands)
Proceeds from maturities and sales of available-for-sale marketable securities	$	—	$	12,500