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UNAUDITED QUARTERLY FINANCIAL INFORMATION (Tables)
 12 Months Ended
Dec. 31, 2016
UNAUDITED QUARTERLY FINANCIAL INFORMATION [Abstract]  
Quarterly financial information
The following tables have been updated to reflect changes in discontinued operations. Quarterly financial information for 2016 and 2015 is as follows:

  
Quarter
 
2016
 
First
  
Second
  
Third
  
Fourth
 
             
Revenue
 
$
47,423
  
$
46,263
  
$
52,877
  
$
50,348
 
(Loss) income from continuing operations
  
(4,638
)
  
(1,642
)
  
1,697
   
84
 
(Loss) income from discontinued operations
  
(1,430
)
  
(1,496
)
  
(2,168
)
  
(18,711
)
Loss income
  
(6,068
)
  
(3,138
)
  
(471
)
  
(18,627
)
Basic
                
(Loss) earnings per share from continuing operations
 
$
(0.20
)
 
$
(0.07
)
 
$
0.07
  
$
0.00
 
(Loss) earnings per share from discontinued operations
  
(0.06
)
  
(0.06
)
  
(0.09
)
  
(0.79
)
Net (loss) earnings per share
 
$
(0.26
)
 
$
(0.13
)
 
$
(0.02
)
 
$
(0.79
)
Diluted
                
(Loss) earnings per share from continuing operations
 
$
(0.20
)
 
$
(0.07
)
 
$
0.07
  
$
0.00
 
(Loss) earnings per share from discontinued operations
  
(0.06
)
  
(0.06
)
  
(0.09
)
  
(0.76
)
Net (loss) earnings per share
 
$
(0.26
)
 
$
(0.13
)
 
$
(0.02
)
 
$
(0.76
)
                 
Weighted average number of common shares outstanding:
                
Basic
  
23,351
   
23,448
   
23,499
   
23,514
 
Diluted
  
23,351
   
23,448
   
24,680
   
24,602
 

  
Quarter
 
2015
 
First
  
Second
  
Third
  
Fourth
 
             
Revenue
 
$
51,345
  
$
48,607
  
$
55,752
  
$
52,552
 
(Loss) income from continuing operations
  
(4,786
)
  
(4,169
)
  
5,217
   
3,878
 
(Loss) income from discontinued operations
  
(2,097
)
  
(3,436
)
  
(2,636
)
  
4,679
 
Net (loss) income
  
(6,883
)
  
(7,605
)
  
2,581
   
8,557
 
Basic
                
(Loss) earnings per share from continuing operations
 
$
(0.21
)
 
$
(0.18
)
 
$
0.22
  
$
0.17
 
(Loss) earnings per share from discontinued operations
  
(0.09
)
  
(0.15
)
  
(0.11
)
  
0.20
 
Net (loss) earnings per share
 
$
(0.30
)
 
$
(0.33
)
 
$
0.11
  
$
0.37
 
Diluted
                
(Loss) earnings per share from continuing operations
 
$
(0.21
)
 
$
(0.18
)
 
$
0.22
  
$
0.17
 
(Loss) earnings per share from discontinued operations
  
(0.09
)
  
(0.15
)
  
(0.11
)
  
0.20
 
Net (loss) earnings per share
 
$
(0.30
)
 
$
(0.33
)
 
$
0.11
  
$
0.37
 
                 
Weighted average number of common shares outstanding:
                
Basic
  
23,056
   
23,132
   
23,230
   
23,247
 
Diluted
  
23,056
   
23,132
   
23,270
   
23,347