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Segment Information (Tables)
3 Months Ended
Mar. 31, 2018
Segment Reporting [Abstract]  
Summary of Segment Information
The following table summarizes segment information for the three month periods ended March 31, 2018 and 2017, respectively (in thousands).  
 
 
 
For the Three-Months Ended March 31,
 
 
2018
 
2017 (as adjusted)
Net revenues:
 
 
 
 
Clinical Services
 
$
56,971

 
$
52,907

Pharma Services
 
6,452

 
4,521

Total Revenue
 
$
63,423

 
$
57,428

 
 
 
 
 
Cost of revenue:
 
 
 
 
Clinical Services
 
$
31,042

 
$
30,700

Pharma Services
 
5,078

 
3,780

Total Cost of Revenue
 
$
36,120

 
$
34,480

 
 
 
 
 
Gross Profit:
 
 
 
 
Clinical Services
 
$
25,929

 
$
22,207

Pharma Services
 
1,374

 
741

Total Gross Profit
 
$
27,303

 
$
22,948

 
 
 
 
 
Operating expenses:
 
 
 
 
General and administrative
 
$
17,067

 
$
17,018

Research and development
 
956

 
862

Sales and marketing
 
6,775

 
5,648

Total operating expenses
 
24,798

 
23,528

Income (Loss) From Operations
 
2,505

 
(580
)
Interest expense, net
 
1,486

 
1,364

Other income
 
(63
)
 

Income (loss) before taxes
 
1,082

 
(1,944
)
Income tax (benefit) expense
 
438

 
(779
)
Net Income (Loss)
 
$
644

 
$
(1,165
)