XML 64 R13.htm IDEA: XBRL DOCUMENT v3.3.0.814
Revenue
 9 Months Ended
Sep. 30, 2015
Revenue [Abstract]  
Revenue
Revenue
The Company differentiates revenue and cost of revenue based on whether the source of revenue is attributable to products, rentals or services. Revenue and cost of revenue by source are as follows (in thousands):
 
Three months ended September 30,
 
Nine months ended September 30,
 
2015
 
2014
 
2015
 
2014
Revenue:
 
 
 
 
 
 
 
Products
$
76,555

 
$
92,708

 
$
217,237

 
$
257,415

Rentals
7,574

 
16,966

 
28,146

 
45,954

Services
3,813

 
7,087

 
11,963

 
21,284

 
$
87,942

 
$
116,761

 
$
257,346

 
$
324,653

Cost of revenue:
 
 
 
 
 
 
 
Products
$
49,520

 
$
57,315

 
$
145,387

 
$
155,048

Rentals
3,387

 
8,272

 
13,315

 
22,444

Services
2,160

 
3,074

 
6,283

 
9,042

Depreciation
1,648

 
2,022

 
5,355

 
6,051

 
$
56,715

 
$
70,683

 
$
170,340

 
$
192,585