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Note 11 - Earnings (Loss) Per Share (Tables)
 12 Months Ended
Dec. 31, 2016
Notes Tables  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
    2016   2015
Numerator:                
Numerator for basic and diluted earnings per share, net income (loss)  available to common shareholders   $
(1,196,642
 )   $
1,016,088
  
Denominator:                
Denominator for basic earnings per share, weighted average shares outstanding    
7,838,197
      
7,389,177
  
Effect of dilutive securities-stock options and restricted awards    
-
      
4,599,003
  
Denominator for diluted earnings per share, adjusted weighted average shares and assumed conversion    
7,838,197
      
11,988,180
  
Basic earnings (loss) per common share
   $
(0.15
 )   $
0.14
  
Diluted earnings (loss) per common share and common share equivalent   $
(0.15
 )   $
0.08
  
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]
    Year Ended
December 31,
    2016   2015
Anti-dilutive awards and options    
3,361,276
      
-