XML 65 R21.htm IDEA: XBRL DOCUMENT v2.4.0.6
Note 3 - Share Information (Tables)
3 Months Ended
Mar. 31, 2013
Schedule of Weighted Average Number of Shares [Table Text Block]
   
Quarters Ended
March 31,
 
      2013       2012  
Weighted average number of common shares used for basic EPS
    38,878,208       39,196,634  
Effect of dilutive stock options and restricted and deferred stock unit awards
    408,226       301,484  
Weighted average number of common shares and dilutive potential common stock used in dilutive EPS
    39,286,434       39,498,118