XML 35 R22.htm IDEA: XBRL DOCUMENT v3.20.4
Note 16 - Selected Quarterly Financial Data (Unaudited and in Thousands, Except Per Share Amounts)
 12 Months Ended
Dec. 31, 2020
Notes to Financial Statements  
Quarterly Financial Information [Text Block]
16.
Selected Quarterly Financial Data (unaudited and in thousands, except per share amounts)
 
   
First
Quarter
    
Second
Quarter
    
Third
Quarter
    
Fourth
Quarter
  
Fiscal 2019:
                                
Revenue
   $
15,755
     $
15,658
     $
15,762
     $
15,591
  
Operating income
   $
3,763
     $
3,708
     $
3,841
     $
3,532
  
Net income
   $
2,281
     $
1,717
     $
1,819
     $
1,979
  
Net income per common share-basic
   $
0.67
     $
0.50
     $
0.53
     $
0.58
  
Net income per common share-diluted
   $
0.66
     $
0.50
     $
0.53
     $
0.58
  
                                 
Fiscal 2020:
                                
Revenue
   $
15,422
     $
15,468
     $
15,574
     $
15,507
  
Operating income
   $
3,305
     $
2,830
     $
2,605
     $
2,802
  
Net income
   $
2,218
     $
1,431
     $
1,228
     $
1,430
  
Net income per common share-basic
   $
0.65
     $
0.42
     $
0.36
     $
0.42
  
Net income per common share-diluted
   $
0.64
     $
0.42
     $
0.36
     $
0.42