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Balance Sheets (Parenthetical) (USD $)
Sep. 30, 2011
Dec. 31, 2010
Stockholders Equity  
Common Stock shares par value$ 0.01$ 0.01
Common Stock shares Authorized30,000,00030,000,000
Common Stock shares Issued12,839,37612,839,376
Common Stock shares Outstanding11,196,76011,196,760
Treasury Stock1,642,6161,642,616