XML 69 R20.htm IDEA: XBRL DOCUMENT v2.4.0.6
Note 3 - Share Information (Tables)
3 Months Ended
Mar. 31, 2012
Schedule of Weighted Average Number of Shares [Table Text Block]
   
Three Months Ended
 
   
March 31,
 
   
2012
   
2011
 
Weighted average number of common shares used for basic EPS
    39,196,634       39,272,011  
Effect of dilutive stock options and restricted shares subject to performance restrictions
    301,484       433,655  
Weighted average number of common shares and dilutive potential common stock used in
dilutive EPS
    39,498,118       39,705,666