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Earnings per Share (Tables)
3 Months Ended
Dec. 31, 2012
Earnings Per Share [Abstract]  
Earnings per share computations
  THREE MONTHS
   ENDED DECEMBER 31,
   2012  2011
Weighted average common shares      
outstanding during the period      
- shares used for basic      
earnings per common share   9,452    9,290 
           
Common shares issuable under          
share based payment plans          
which are potentially dilutive   97    132 
           
Common shares used for diluted          
earnings per common share   9,549    9,422 
           
Net income  $3,123    2,124 
           
Earnings per common share          
Basic  $0.33    0.23 
Diluted  $0.33    0.23