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Compensatory Equity Incentive Plan and Other Equity Incentives (Details)	Dec. 31, 2012
Award Shares Authorized	1,915,625
Award Shares Outstanding	1,208,939
Available for Issuance	176,056
Amended and Restated Omnibus Incentive Plan
Award Shares Authorized	1,715,625
Award Shares Outstanding	1,208,939
Available for Issuance	61,293
Employee Stock Purchase Plan
Award Shares Authorized	200,000
Award Shares Outstanding
Available for Issuance	114,763

The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested).

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- Definition

The number of shares reserved for issuance under stock option agreements awarded under the plan that validly exist and are outstanding as of the balance sheet date, including vested options.

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