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Repurchase of Common Stock
9 Months Ended
Sep. 30, 2017
Stockholders' Equity Note [Abstract]  
Stockholders' Equity Note Disclosure [Text Block]
Note 6.              Repurchase of Common Stock
 
In 1999 and 2001, the Board of Directors approved resolutions authorizing the Company to repurchase up to a total of 1,000,000 shares of its own stock on the open market, which the Board reaffirmed in 2008. There were no shares repurchased during the three and nine-month periods ended September 30, 2017 or 2016, respectively. There are approximately 72,000 shares remaining under this repurchase authorization as of September 30, 2017.