XML 22 R11.htm IDEA: XBRL DOCUMENT v3.8.0.1
Repurchase of Common Stock
3 Months Ended
Mar. 31, 2018
Stockholders' Equity Note [Abstract]  
Stockholders' Equity Note Disclosure [Text Block]
Note 5. 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 of Directors reaffirmed in 2008. There were no shares repurchased during the three-month periods ended March 31, 2018 and 2017. There are approximately 72,000 shares remaining under this repurchase authorization as of March 31, 2018.