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Note 14 - Quarterly Financial Data (Unaudited)
12 Months Ended
Dec. 31, 2018
Notes to Financial Statements  
Quarterly Financial Information [Text Block]
1
4
. Quarterly Financial Data (unaudited)
 
 
   
Three months ended
 
2018
 
March 31
   
June 30
   
September 30
   
December 31
 
   
(in thousands, except per share data)
 
Total net sales
  $
25,994
    $
27,020
    $
24,165
    $
28,389
 
Gross profit
   
18,474
     
18,992
     
17,255
     
19,218
 
Income (loss) from operations
   
4,862
     
11,541
     
4,613
     
7,193
 
Net income
   
3,853
     
8,751
     
4,314
     
6,025
 
Earnings per share
                               
Basic
  $
0.20
    $
0.45
    $
0.22
    $
0.31
 
Diluted
  $
0.19
    $
0.43
    $
0.21
    $
0.30
 
 
 
   
Three months ended
 
2017
 
March 31
   
June 30
   
September 30
   
December 31
 
   
(in thousands, except per share data)
 
Total net sales
  $
24,139
    $
25,753
    $
24,822
    $
26,153
 
Gross profit
   
17,353
     
17,516
     
17,577
     
18,251
 
Income (loss) from operations
   
4,193
     
5,536
     
5,053
     
6,321
 
Net income (loss)
   
3,219
     
4,632
     
5,042
     
4,284
 
Earnings per share
                               
Basic
  $
0.17
    $
0.25
    $
0.26
    $
0.22
 
Diluted
  $
0.16
    $
0.23
    $
0.25
    $
0.21