XML 49 R32.htm IDEA: XBRL DOCUMENT v3.3.1.900
Revenue (Tables)
 12 Months Ended
Dec. 31, 2015
Revenue [Abstract]  
Differentiation of revenue and cost of revenue
Revenue and cost of revenue by source are as follows (in thousands):
 
Year ended December 31,
 
2015
 
2014
 
2013
Revenue:
 
 
 
 
 
Products
$
283,493

 
$
354,356

 
$
282,639

Rentals
35,242

 
65,549

 
62,042

Services
15,624

 
29,252

 
26,384

 
$
334,359

 
$
449,157

 
$
371,065

Cost of Revenue:
 
 
 
 
 
Products
$
187,511

 
$
214,417

 
$
180,800

Rentals
16,052

 
31,285

 
24,987

Services
8,668

 
12,385

 
9,916

Depreciation
7,018

 
8,111

 
7,835

 
$
219,249

 
$
266,198

 
$
223,538