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OPERATING SEGMENT AND GEOGRAPHIC INFORMATION
 3 Months Ended
Mar. 31, 2014
Segment Reporting [Abstract]  
Operating Segment And Geographic Information
OPERATING SEGMENT AND GEOGRAPHIC INFORMATION
Our chief operating decision-maker is our Chief Executive Officer, who regularly evaluates our performance based on net sales and net loss before taxes. The preparation of this segment analysis requires management to make estimates and assumptions around expenses below the gross profit level. While we believe the segment information to be directionally correct, actual results could differ from the estimates and assumptions used in preparing this information.
We have two reportable operating segments, Laboratory Services and Genetic Assays and Platforms. These lines of business are complementary with the Biomarker Identification labs driving innovation and leading to kit production in our Genetic Assays and Platforms segment and new tests in our Patient Testing labs.
 
Segment information for the three months ended March 31, 2014 and 2013 is as follows:
 
 
Dollars in Thousands
 
Three Months Ended March 31, 2014
 
Laboratory Services
 
Genetic Assays
and Platforms
 
Total
Net Sales
$
3,688

 
$
2,563

 
$
6,251

Gross Profit
1,632

 
862

 
2,494

Net Loss before Taxes
(2,984
)
 
(687
)
 
(3,671
)
Income Tax Expense (Benefit)
509

 
(4
)
 
505

Net Loss
$
(3,493
)
 
$
(683
)
 
$
(4,176
)
Depreciation/Amortization
$
440

 
$
53

 
$
493

Interest Expense, net
$
(107
)
 
$
(75
)
 
$
(182
)
 
 
 
 
 
 
 
March 31, 2014
Total Assets
$
22,446

 
$
8,271

 
$
30,717


 
 
 
 
 
 
 
Dollars in Thousands
 
Three Months Ended March 31, 2013
 
Laboratory Services
 
Genetic Assays
and Platforms
 
Total
Net Sales
$
4,427

 
$
2,947

 
$
7,374

Gross Profit
2,193

 
1,062

 
3,255

Net Loss before Taxes
(3,085
)
 
(435
)
 
(3,520
)
Income Tax Expense
—

 
66

 
66

Net Loss
$
(3,085
)
 
$
(501
)
 
$
(3,586
)
Depreciation/Amortization
$
563

 
$
181

 
$
744

Interest Expense, net
$
(135
)
 
$
(18
)
 
$
(153
)
 
 
 
 
 
 
 
March 31, 2013
Total Assets
$
30,366

 
$
11,032

 
$
41,398


Net sales for the three months ended March 31, 2014 and 2013 by country were as follows:
 
 
 
Dollars in Thousands
 
 
Three Months Ended March 31,
 
 
2014
 
2013
United States
 
$
4,763

 
$
5,348

Italy
 
385

 
455

All Other Countries
 
1,103

 
1,571

Total
 
$
6,251

 
$
7,374


Other than the countries specifically identified above, no other country individually accounted for more than 5% of total net sales.

Approximately 99% of our long-lived assets are located within the United States.