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Segments (Notes)
 12 Months Ended
Dec. 31, 2014
Segment Reporting [Abstract]  
Segments
Segments
Our reporting segments have been determined based on the nature of the products and/or services offered to customers or the nature of their function in the organization. We evaluate performance based on the operating income (loss) contributed by each segment. Our operating segments include Diagnostic Imaging, Digirad Imaging Solutions, and cardiac event monitoring from our Telerhythmics acquisition on March 13, 2014 (See Note 3). For financial reporting purposes, we aggregate Digirad Imaging Solutions and cardiac event monitoring due to their similar economic and operational characteristics. Summarized annual data for segments are as follows (in thousands):
 
 
Year ended December 31,
 
 
2014 (1)
 
2013
 
2012
Gross profit by segment:
 
 
 
 
 
 
Diagnostic Services
 
$
10,449

 
$
9,343

 
$
8,771

Diagnostic Imaging
 
6,191

 
4,773

 
4,321

Consolidated gross profit
 
$
16,640

 
$
14,116

 
$
13,092

 
 
 
 
 
 
 
Income (loss) from operations by segment:
 
 
 
 
 
 
Diagnostic Services
 
$
220

 
$
30

 
$
(48
)
Diagnostic Imaging (2)
 
2,298

 
141

 
(5,050
)
Consolidated income (loss) from operations
 
$
2,518

 
$
171

 
$
(5,098
)
 
 
 
 
 
 
 
Depreciation and amortization of tangible and intangible assets by segment:
 
 
 
 
 
 
Diagnostic Services
 
$
1,672

 
$
1,436

 
$
1,814

Diagnostic Imaging
 
263

 
477

 
317

Consolidated depreciation and amortization
 
$
1,935

 
$
1,913

 
$
2,131

 
 
 
 
 
 
 
 
 
December 31,
 
 
 
 
2014 (1)
 
2013
 
 
Identifiable assets by segment:
 
 
 
 
 
 
Diagnostic Services
 
$
18,724

 
$
11,874

 
 
Diagnostic Imaging
 
23,177

 
29,577

 
 
Consolidated assets
 
$
41,901

 
$
41,451

 
 

(1) On March 13, 2014, we acquired 100% of the membership interest of Telerhythmics, LLC. The results of Telerhythmics are included in Diagnostic Services since the acquisition date (See Note 3).
(2) Included in the Diagnostic Imaging income from operations for the year ended December 31, 2014, are approximately $0.7 million of charges associated with our Diagnostic Imaging and Facilities restructuring initiatives (See Note 11). Included in the Diagnostic Imaging income from operations for the year ended December 31, 2013, are approximately $1.7 million of charges associated with our Diagnostic Imaging restructuring initiative, as well as a gain of approximately $1.6 million associated with the sale of assets and licensing agreement from an uncommercialized surgical imaging system previously in development (See Note 12).