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Note 18 - Quarterly Financial Information (Unaudited) (Tables)
 12 Months Ended
Dec. 31, 2016
Notes Tables  
Quarterly Financial Information [Table Text Block]
 
 
First
Quarter
(2)
 
 
Second
Quarter
(3)
 
 
Third
Quarter
(4)
 
 
Fourth
Quarter
(5)
 
201
6
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Revenues
  $
169,655
    $
175,849
    $
179,006
    $
169,934
  
Gross profit
(1)
    
40,840
      
39,449
      
43,240
      
44,144
  
Net income attributable to:
                               
Continuing operations
    
(13,236
 )    
(11,705
 )    
(10,818
 )    
(10,627
 )
Discontinued operations
    
(3
 )    
(1
 )    
–
      
–
  
Basic earnings per share:
                                
Continuing operations
    
(0.26
 )    
(0.23
 )    
(0.22
 )    
(0.21
 )
Discontinued operations
    
–
      
–
      
–
      
–
  
Diluted earnings per share:
                               
Continuing operations
    
(0.26
 )    
(0.23
 )    
(0.22
 )    
(0.21
 )
Discontinued operations
    
–
      
–
      
–
      
–
  
201
5
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Revenues
  $
337,358
    $
269,258
    $
258,886
    $
234,474
 
Gross profit
(1)
    
99,636
     
74,594
     
70,296
     
69,752
 
Net income attributable to:
                               
Continuing operations
   
19,402
      
6,148
     
1,706
      
1,115
  
Discontinued operations
   
166
      
35
     
23
     
2
 
Basic earnings per share:
                                
Continuing operations
   
0.38
     
0.12
     
0.03
     
0.02
 
Discontinued operations
   
–
      
–
      
–
      
–
  
Diluted earnings per share:
                               
Continuing operations
   
0.38
     
0.12
     
0.03
     
0.02
 
Discontinued operations
   
–
      
–
      
–
      
–