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Stock-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2014

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of Deferred Compensation Arrangement with Individual, Share-based Payments [Table Text Block]



	Year Ended December 31,
Stock-based Compensation	2014		2013		2012
(In thousands)
Employees and directors	$	1,157	$	655	$	650
Non-employees	344		217		287
Total	$	1,501	$	872	$	937

Schedule of common stock activity available under share-based compensation plans



Title of Plan	Total Shares of Common Stock Authorized	Total Shares of Common Stock Issued	Total Shares of Common Stock Subject to Outstanding Awards	Total Shares of Common Stock Available for Grant
2005 Equity Incentive Plan⁽¹⁾	5,200,000	1,034,216	—	4,165,784
2002 Outside Directors Stock Option Plan⁽²⁾	157,000	140,750	16,250	—
1999 Non-statutory Stock Option Plan⁽²⁾	4,966,183	4,966,183	—	—
1999 Stock Option Plan⁽²⁾	3,694,485	3,653,150	41,335	—

Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]



	2014				2013				2012
	Number of shares (in thousands)		Weighted-Average Exercise Price		Number of shares (in thousands)		Weighted-Average Exercise Price		Number of shares (in thousands)		Weighted-Average Exercise Price
Outstanding at beginning of year	172		$	16.52	196		$	16.22	231		$	16.62
Expired	(114	)	$	22.08	(24	)	$	14.07	(35	)	$	18.83
Outstanding at end of year	58		$	5.41	172		$	16.52	196		$	16.22
Exercisable at end of year	58		$	5.41	172		$	16.52	196		$	16.22

Schedule of Share-based Compensation, Restricted Stock Units Award Activity [Table Text Block]



	2014				2013				2012
	Number of shares (in thousands)		Weighted-average grant-date fair value per share		Number of shares (in thousands)		Weighted-average grant-date fair value per share		Number of shares (in thousands)		Weighted- average grant-date fair value per share
Nonvested at beginning of year	114		$	7.45	120		$	6.51	137		$	6.09
Awards granted	312		$	8.39	127		$	7.50	139		$	6.49
Awards vested	(149	)	$	7.67	(118	)	$	6.59	(137	)	$	6.09
Forfeited	—		$	—	(15	)	$	7.07	(19	)	$	6.35
Nonvested at end of year	277		$	8.39	114		$	7.45	120		$	6.51

- Definition

Tabular disclosure of an equity-based arrangement (such as stock or unit options and stock or unit awards) with an individual employee, which is generally an employment contract between the entity and a selected officer or key employee containing a promise by the employer to pay certain equity-based awards at future dates, sometimes including a period after retirement, upon compliance with stipulated requirements. This type of arrangement is distinguished from broader based employee benefit plans as it is usually tailored to the employee. Disclosure also typically includes the amount of related compensation expense recognized during the reporting period, the number of shares or units issued during the period under such arrangements, and the carrying amount as of the balance sheet date of the related liability.

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