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Common Stock Repurchase Plan	6 Months Ended
Common Stock Repurchase Plan	Jun. 30, 2012
Common Stock Repurchase Plan [Abstract]
Common Stock Repurchase Plan	Note 6 - Common Stock Repurchase Plan In January 2002, the Company announced a common stock repurchase plan (the "Repurchase Plan") which allows for the repurchase by the Company of up to 10 million shares of its common stock in the open market. The Repurchase Plan is conditioned upon favorable business conditions and acceptable prices for the common stock. Purchases under the Repurchase Plan may be made, from time to time, in the open market, through block trades or otherwise. Depending on market conditions and other factors, purchases may be commenced or suspended any time or from time to time without prior notice. No shares have been purchased pursuant to the Repurchase Plan in the year-to-date period ended June 30, 2012. As of June 30, 2012, the Company has purchased 3,208,109 common shares through the Repurchase Plan leaving 6,791,891 common shares that may still be purchased pursuant to the Repurchase Plan.