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Note 7 - Net Earnings Per Share (Tables)
12 Months Ended
Dec. 31, 2019
Notes Tables  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
   
December 31,
201
9
   
December 31,
201
8
 
In thousands (except per share amounts):
               
Net income (a)
  $
(7
)
  $
1,486
 
Weighted average outstanding shares of common stock (b)
   
1,925
     
2,030
 
Dilutive potential common shares from employee stock options
   
-
     
27
 
Common stock and common stock equivalents (c)
   
1,925
     
2,057
 
Income per share:
               
Basic net income per share (a)/(b)
  $
0.00
    $
0.73
 
Diluted net income per share (a)/(c)
  $
0.00
    $
0.72