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Note 7 - Earnings Per Share (Tables)
9 Months Ended
Sep. 30, 2012
Schedule of Weighted Average Number of Shares [Table Text Block]
   
Three months ended
September 30,
   
Nine months ended
September 30,
 
    (In thousands)     (In thousands)  
   
2012
   
­ 2011
   
­ 2012
   
­ 2011­
 
Weighted average shares and share equivalents – basic
    6,791       6,679       6,754       6,666  
Weighted average dilutive effect of options
    160       160       173       165  
Weighted average dilutive effect of restricted stock
    10       11       14       14  
Weighted average shares and share equivalents - dilutive
    6,961       6,850       6,941       6,845