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Note 20 - Loss Per Common Share (Tables)
12 Months Ended
Dec. 31, 2019
Notes Tables  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
   
Year ended December 31,
 
   
2019
   
2018
 
Loss attributable to stockholders:
               
Net loss as reported
  $
(3,949
)   $
(3,505
)
Less distributed and undistributed earnings allocable to restricted award holders
   
0
     
0
 
Net loss allocable to common stockholders
  $
(3,949
)   $
(3,505
)
                 
Loss per common share attributable to stockholders:
               
Basic
  $
(0.19
)   $
(0.17
)
Diluted
  $
(0.19
)   $
(0.17
)
Weighted average shares outstanding – basic
   
20,865
     
20,512
 
Weighted average additional shares assuming conversion of potential common shares
   
0
     
0
 
Weighted average shares outstanding – diluted
   
20,865
     
20,512