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QUARTERLY FINANCIAL DATA (UNAUDITED)
12 Months Ended
Dec. 31, 2011
QUARTERLY FINANCIAL DATA (UNAUDITED) [Abstract]  
QUARTERLY FINANCIAL DATA (UNAUDITED)
19.   QUARTERLY FINANCIAL DATA (UNAUDITED)
 
The results of any single quarter are not necessarily indicative of the Company's results for the full year.  Earnings per share data is computed independently for each of the periods presented.  As a result, the sum of the earnings per share amounts for the quarter may not equal the total for the year.
 
2011
 
First
  
Second
  
Third
  
Fourth
 
Net sales
 $60,899  $63,348  $64,767  $65,026 
Gross profit
 $14,558  $15,245  $15,332  $14,515 
Net income
 $4,269  $3,966  $4,078  $4,076 
Amounts per common share:
                
Net income
 $0.37  $0.34  $0.35  $0.35 
Net income - assuming dilution
 $0.37  $0.34  $0.35  $0.35 
                  
2010
 
First
  
Second
  
Third
  
Fourth
 
Net sales
 $60,415  $55,945  $52,284  $54,712 
Gross profit
 $14,406  $13,225  $11,965  $11,904 
Net income
 $3,896  $3,336  $2,649  $3,050 
Amounts per common share:
                
Net income
 $0.34  $0.29  $0.23  $0.27 
Net income - assuming dilution
 $0.34  $0.29  $0.23  $0.26