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Stock-based Compensation (Details Textual) (USD $)	3 Months Ended		6 Months Ended
Stock-based Compensation (Details Textual) (USD $)	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011	Jun. 02, 2010
Award, Number of Shares Authorized					1,630,000
Award, Shares Issued in Period			880,000
Award, Shares Purchased for Award			750,000
Options Grants In Period			596,000
Options, Vested Outstanding, Number	528,000		528,000
Stock based compensation expense	$ 27,000	$ 39,000	$ 59,000	$ 77,000
Stock Based Compensation Expenses Shares Issued			21,000
Restricted Stock Units (Rsus) [Member]
Options Grants In Period			84,000

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

Number of share instruments newly issued under a share-based compensation plan.

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- Definition

The number of shares purchased on the open market during the period for issuance to employees under the plan.

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