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Segment Reporting
 3 Months Ended
Mar. 31, 2013
Segment Reporting [Abstract]  
Segment Reporting
Segment Reporting. We report our operations in two operating segments: cardiovascular and endoscopy. Our cardiovascular segment consists of cardiology and radiology medical device products which assist in diagnosing and treating coronary artery disease, peripheral vascular disease and other non-vascular diseases and includes our embolotherapeutic products. Our endoscopy segment consists of gastroenterology and pulmonary medical device products which assist in the palliative treatment of expanding esophageal, tracheobronchial and biliary strictures caused by malignant tumors. We evaluate the performance of our operating segments based on operating income (loss). Financial information relating to our reportable operating segments and reconciliations to the consolidated totals is as follows (in thousands):
 
Three Months Ended
 
March 31,
 
2013
 
2012
Revenues
 

 
 

Cardiovascular
$
99,754

 
$
91,670

Endoscopy
4,194

 
3,948

Total revenues
103,948

 
95,618

 
 
 
 
Operating income (loss)
 

 
 

Cardiovascular
1,628

 
8,338

Endoscopy
129

 
(331
)
Total operating income
$
1,757

 
$
8,007