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Common Stock Repurchase Plan	12 Months Ended
Common Stock Repurchase Plan	Dec. 31, 2017
Common Stock Repurchase Plan [Abstract]
Common Stock Repurchase Plan	Common Stock Repurchase Plan The Company has had a stock repurchase plan since September 17, 2002, when the Board of Directors approval was announced. As last amended by the Board of Directors on September 21, 2017, this plan permits the purchase of up to 3,500,000 shares. There is currently available for purchase through September 30, 2018, a maximum of 1,154,940 shares. The Company may repurchase its shares either in the open market or through private transactions. The volume of the shares to be repurchased is contingent upon market conditions and other factors. No shares were repurchased during the years ended December 31, 2017 and December 31, 2016. As of December 31, 2017, the total number of shares repurchased under the Repurchase Plan was 2,345,060 at a cost of $1,289,467 (average cost of $0.55 per share). The Company currently holds the repurchased stock as Treasury Stock, reported at cost. Prior to September 17, 2002, the Company had 17,358 shares of Treasury Stock that it had purchased at a cost of $18,720.