INVESTMENTS: (Tables)

3 Months Ended

Mar. 31, 2013

Investments [Abstract]

Available-for-sale Securities [Table Text Block]

The Company’s investments (short-term and long-term) consist of the following:

	Amortized Cost Basis		Gross Unrealized Losses		Gross Unrealized Gains		Fair Value
	(In thousands)
March 31, 2013
Corporate debt securities	$	1,298	$	(7)	$	9	$	1,300
Mutual funds		2,002		(24)		2		1,980
Total investments	$	3,300	$	(31)	$	11	$	3,280

	Amortized Cost Basis		Gross Unrealized Losses		Gross Unrealized Gains		Fair Value
	(In thousands)
December 31, 2012
Corporate debt securities	$	85	$	—	$	107	$	192
Mutual funds		1,512		(11)		1		1,502
Total investments	$	1,597	$	(11)	$	108	$	1,694

Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Table Text Block]

The following tables show the gross unrealized losses and fair value of the Company’s investments with unrealized losses that are not deemed to be other-than-temporarily impaired, aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position:

	Fair Value < 1 Year		Unrealized Losses < 1 Year		Fair Value > 1 Year		Unrealized Losses > 1 Year		Total Unrealized Losses
	(In thousands)
March 31, 2013
Corporate debt securities	$	1,075	$	(7)	$	—	$	—	$	(7)
Mutual funds		1,475		(24)		—		—		(24)
Total investments	$	2,550	$	(31)	$	—	$	—	$	(31)

	Fair Value < 1 Year		Unrealized Losses < 1 Year		Fair Value > 1 Year		Unrealized Losses > 1 Year		Total Unrealized Losses
	(In thousands)
December 31, 2012
Mutual funds	$	1,235	$	(11)	$	—	$	—	$	(11)
Total investments	$	1,235	$	(11)	$	—	$	—	$	(11)

Investments Classified by Contractual Maturity Date [Table Text Block]

The amortized cost and estimated fair value of debt securities at March 31, 2013, by contractual maturity, are shown below.

	Amortized Cost Basis		Fair Value
	(In thousands)
Within 1 year	$	1,273	$	1,272
After 1 year through 5 years		25		28
Total debt securities	$	1,298	$	1,300

Schedule Of Available For Sale Securities [Table Text Block]

Available-for-sale securities were sold as follows:

	Three Months Ended March 31,
	2013		2012
	(In thousands)
Proceeds from sales	$	503	$	3,859
Gross realized gains		—		8
Gross realized losses		—		(37)