XML 49 R38.htm IDEA: XBRL DOCUMENT v3.20.1
Note 11 - Net Income Per Share (Tables)
12 Months Ended
Dec. 31, 2019
Notes Tables  
Schedule of Weighted Average Number of Shares [Table Text Block]
    Years Ended December 31,
    2019   2018   2017
Basic weighted average common shares outstanding during the year    
7,424
     
7,347
     
7,248
 
Weighted average common equivalent shares due to stock options and restricted stock units    
92
     
83
     
89
 
Diluted weighted average common shares outstanding during the year    
7,516
     
7,430
     
7,337