UNAUDITED QUARTERLY FINANCIAL INFORMATION (Tables)
 12 Months Ended
Dec. 31, 2015
UNAUDITED QUARTERLY FINANCIAL INFORMATION [Abstract]  
Quarterly financial information
Quarterly financial information for 2015 and 2014 is as follows:

  
Quarter
 
2015
 
First
  
Second
  
Third
  
Fourth
 
             
Revenue
 
$
47,674
  
$
44,739
  
$
51,951
  
$
48,856
 
(Loss) income from continuing operations
  
(6,142
)
  
(5,595
)
  
3,633
   
5,394
 
(Loss) income from discontinued operations
  
(741
)
  
(2,010
)
  
(1,052
)
  
3,163
 
Net (loss) income
  
(6,883
)
  
(7,605
)
  
2,581
   
8,557
 
Basic
                
(Loss) earnings per share from continuing operations
 
$
(0.27
)
 
$
(0.24
)
 
$
0.16
  
$
0.23
 
(Loss) earnings per share from discontinued operations
  
(0.03
)
  
(0.09
)
  
(0.05
)
  
0.14
 
Net (loss) earnings per share
 
$
(0.30
)
 
$
(0.33
)
 
$
0.11
  
$
0.37
 
Diluted
                
(Loss) earnings per share from continuing operations
 
$
(0.27
)
 
$
(0.24
)
 
$
0.16
  
$
0.23
 
(Loss) earnings per share from discontinued operations
  
(0.03
)
  
(0.09
)
  
(0.05
)
  
0.14
 
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
 

  
Quarter
 
2014
 
First
  
Second
  
Third
  
Fourth
 
             
Revenue
 
$
48,177
  
$
46,673
  
$
54,892
  
$
53,146
 
(Loss) income from continuing operations
  
(9,804
)
  
(8,868
)
  
(263
)
  
4,113
 
(Loss) income from discontinued operations
  
(1,290
)
  
(2,728
)
  
(37,818
)
  
525
 
Net (loss) income
  
(11,094
)
  
(11,596
)
  
(38,081
)
  
4,638
 
Basic
                
(Loss) earnings per share from continuing operations
 
$
(0.43
)
 
$
(0.39
)
 
$
(0.01
)
 
$
0.18
 
(Loss) earnings per share from discontinued operations
  
(0.06
)
  
(0.13
)
  
(1.66
)
  
0.02
 
Net (loss) earnings per share
 
$
(0.49
)
 
$
(0.52
)
 
$
(1.67
)
 
$
0.20
 
Diluted
                
(Loss) earnings per share from continuing operations
 
$
(0.43
)
 
$
(0.39
)
 
$
(0.01
)
 
$
0.18
 
(Loss) earnings per share from discontinued operations
  
(0.06
)
  
(0.13
)
  
(1.66
)
  
0.02
 
Net (loss) earnings per share
 
$
(0.49
)
 
$
(0.52
)
 
$
(1.67
)
 
$
0.20
 
                 
Weighted average number of common shares outstanding:
                
Basic
  
22,723
   
22,800
   
22,843
   
22,888
 
Diluted
  
22,723
   
22,800
   
22,843
   
23,004