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Stock-Based Compensation (Assumptions Used in the Black-Scholes Option Pricing Model) (Details) (USD $)	6 Months Ended
	Jun. 30, 2010
Stock-Based Compensation
Risk-free interest rate	1.40%
Expected volatility	72.00%
Expected option life, years	4
Weighted-average grant date fair value	$ 2.81
Options granted	766,050

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Gross number of share options (or share units) granted during the period.

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The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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-Publisher FASB
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-Number 123R
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The period of time an equity-based award is expected to be outstanding. An equity-based award's expected term is generally determined based on, among other factors, the instrument's contractual term and the holders' expected behavior.

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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The estimated measure of the percentage amount by which a share price is expected to fluctuate during the expected term of a nonvested share or option award issued to other than an employee.

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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The risk-free interest rate assumption that is used in valuing a nonvested share or option award issued to other than an employee.

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-Name Accounting Standards Codification
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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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