Annual Increments To Be Vested In Common Stock Units

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Annual Increments To Be Vested In Restricted Stock Units

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Maximum period of common stock granted

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Maximum Period Of Restricted Stock Units Granted

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Share-based Compensation Arrangement by Share-based Payment Award, Options, Total Fair Value

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Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Restricted Stock Granted

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Face amount or stated value of common stock per share; generally not indicative of the fair market value per share.

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Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

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Aggregate proceeds received by the entity during the annual period from exercises of stock or unit options and conversion of similar instruments granted under equity-based payment arrangements.

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As of the balance sheet date, the aggregate unrecognized cost of equity-based awards made to employees under equity-based compensation awards that have yet to vest.

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The weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, using a decimal to express in number of years.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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The total accumulated difference between fair values of underlying shares on dates of exercise and exercise price on options which were exercised (or share units converted) into shares during the reporting period under the plan.

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Number of share options (or share units) forfeited during the period.

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Number of share options (or share units) exercised during the current period.

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The noncash expense that accounts for the value of stock or unit options distributed to employees as compensation.

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Stock-Based Compensation (Narrative) (Details) (USD $)	3 Months Ended				9 Months Ended		12 Months Ended				3 Months Ended		9 Months Ended
Stock-Based Compensation (Narrative) (Details) (USD $)	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010	Dec. 31, 2010	Mar. 23, 2011	Mar. 15, 2011	Feb. 21, 2008	Sep. 30, 2011 Restricted Stock Units (RSUs) [Member]	Sep. 30, 2010 Restricted Stock Units (RSUs) [Member]	Sep. 30, 2011 Restricted Stock Units (RSUs) [Member]	Sep. 30, 2010 Restricted Stock Units (RSUs) [Member]	Feb. 21, 2011 Restricted Stock Units (RSUs) [Member]	Feb. 21, 2010 Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum period of common stock granted, years	10				10
Annual increments to be vested	20.00%				20.00%
Options granted					0		0
Option compensation expense	$ 194,000			$ 694,000	$ 756,000	$ 2,400,000					$ 213,000	$ 82,000	$ 523,000	$ 245,000
Unrecognized stock-based compensation expense related to stock options	1,100,000				1,100,000						1,200,000		1,200,000
Unrecognized stock-based compensation expense related to stock options expected to be recognized period, years					1.4								1.4
Exercised, shares	0	0	86,860				0
Cash received totaled					1,300,000
Cash received aggregate intrinsic value total					172,000
Fair value of stock options vested	$ 0			$ 0	$ 0	$ 0
Shares available under incentive plan	2,267,713				2,267,713
Restricted stock units granted to eligible employees			65,243					50,174	15,069	82,291
Common stock shares issued upon vesting restricted stock units	82,853,701				82,853,701		82,739,348								12,633	15,006
Common stock closing price	$ 0.01				$ 0.01		$ 0.01	$ 16.15	$ 16.14						$ 18.79	$ 9.64
Restricted stock units granted maximum term, years	5				5
Annual increments of restricted stock grants	20.00%				20.00%