MARKETABLE SECURITIES (Tables)

3 Months Ended

Mar. 31, 2013

Marketable Securities [Abstract]

Schedule of current available-for-sale marketable securities

At March 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	$	1,007	$	14	$	—	$	1,021
Total debt security	1,007		14		—		1,021
Equity security	—		4,793		—		4,793
Total marketable securities	$	1,007	$	4,807	$	—	$	5,814

At December 31, 2012, 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	$	13,608	$	19	$	—	$	13,627
Total debt securities	13,608		19		—		13,627
Equity security	—		6,977		—		6,977
Total marketable securities	$	13,608	$	6,996	$	—	$	20,604

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

The contractual maturity of the debt security classified as available-for-sale at March 31, 2013 is as follows:

	Amortized Cost		Estimated Fair Value
	(In thousands)
Due after one year through two years	$	1,007	$	1,021
Total	$	1,007	$	1,021

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 and the related gross realized gains and losses:

	Three Months Ended March 31,
	2013		2012
	(In thousands)
Proceeds from maturities and sales of available-for-sale marketable securities	$	12,500	$	26,401
Gross realized gains	—		1,783
Gross realized losses	—		—