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UNAUDITED QUARTERLY FINANCIAL INFORMATION (Tables)
 12 Months Ended
Dec. 31, 2012
UNAUDITED QUARTERLY FINANCIAL INFORMATION [Abstract]  
Schedule of Quarterly Financial Information
 
2012
  
2011
 
 
Fourth
  
Third
  
Second
  
First
  
Fourth
  
Third
  
Second
  
First
 
 
Quarter
  
Quarter
  
Quarter (1)
  
Quarter
  
Quarter
  
Quarter
  
Quarter
  
Quarter
 
 
(in thousands, except per share amounts)
 
Total revenue
 
$
84,349
  
$
79,624
  
$
66,403
  
$
65,247
  
$
65,104
  
$
63,987
  
$
64,659
  
$
73,724
 
Total cost of goods sold
  
39,171
   
37,938
   
27,682
   
27,344
   
30,412
   
27,648
   
25,793
   
27,099
 
Net (loss) income
  
(12,269
)
  
(17,859
)
  
23,649
   
(4,217
)
  
(14,739
)
  
(9,789
)
  
(3,672
)
  
39
 
Basic net (loss) income per common share
  
(0.17
)
  
(0.25
)
  
0.34
   
(0.06
)
  
(0.21
)
  
(0.14
)
  
(0.05
)
  
0.00
 
Diluted net (loss) income per common share
  
(0.17
)
  
(0.25
)
  
0.33
   
(0.06
)
  
(0.21
)
  
(0.14
)
  
(0.05
)
  
0.00