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Note 21 - Selected Quarterly Financial Data (Unaudited)
12 Months Ended
Dec. 31, 2019
Notes to Financial Statements  
Quarterly Financial Information [Text Block]
21.
Selected Quarterly Financial Data (Unaudited): 
 
   
December 31
   
September 30
   
June 30
   
March 31
 
   
(in thousands, except for per share data)
 
                                 
2019
     
 
     
 
     
 
     
 
Total revenues
  $
85,946
    $
88,129
    $
84,117
    $
78,953
 
Gross profit
   
26,045
     
27,574
     
24,507
     
22,651
 
Net income
   
5,778
     
4,205
     
2,616
     
2,799
 
Earnings per share:
                               
Basic
  $
0.55
    $
0.40
    $
0.25
    $
0.26
 
Diluted
   
0.54
     
0.39
     
0.24
     
0.26
 
                                 
2018
     
 
     
 
     
 
     
 
Total revenues
  $
85,612
    $
83,519
    $
81,087
    $
95,795
 
Gross profit
   
27,731
     
24,261
     
22,158
     
22,619
 
Net income
   
4,436
     
5,346
     
3,608
     
3,744
 
Earnings per share:
                               
Basic
  $
0.42
    $
0.50
    $
0.34
    $
0.35
 
Diluted
   
0.41
     
0.50
     
0.33
     
0.35