XML 31 R19.htm IDEA: XBRL DOCUMENT v3.10.0.1
Note 3 - Earnings (Loss) Per Share (Tables)
 9 Months Ended
Sep. 30, 2018
Notes Tables  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
   
Three months ended
September 30
,
    
Nine months
ended
September 30
,
  
   
2018
    
2017
    
2018
    
2017
  
Numerator:
                                
Net loss
   $
(10,142
)
   $
(9,276
)
   $
(14,151
)
   $
(10,564
)
Denominator:
                                
Basic weighted average shares outstanding
    
8,306,707
      
8,520,041
      
8,304,974
      
8,641,173
  
Dilutive common stock equivalents using treasury stock method
    
—
      
—
      
—
      
—
  
Diluted weighted average shares outstanding
    
8,306,707
      
8,520,041
      
8,304,974
      
8,641,173
  
                                 
Basic loss per common share
   $
(1.22
)
   $
(1.09
)
   $
(1.70
)
   $
(1.22
)
Diluted loss per common share
   $
(1.22
)
   $
(1.09
)
   $
(1.70
)
   $
(1.22
)
                                 
Weighted average options outstanding
    
711,888
      
782,012
      
727,980
      
832,953
  
Anti-dilutive options not included in the computations
    
711,888
      
782,012
      
727,980
      
832,953