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Summary of Significant Accounting Policies (Tables)
12 Months Ended
Dec. 31, 2017
Investments in Debt Securities

Investments in debt securities consisted of the following at December 31, 2016 (in thousands):

 

     Amortized
Cost
     Gross
Unrealized
Gain
     Gross
Unrealized
Loss
     Fair Value  

Marketable securities:

           

U.S. Government and agency securities

   $ 807      $ —        $ —        $ 807  

Corporate and other debt securities

     18,745        2        (7      18,740  
  

 

 

    

 

 

    

 

 

    

 

 

 

Total

   $ 19,552      $ 2      $ (7    $ 19,547  
  

 

 

    

 

 

    

 

 

    

 

 

 
RollForward of Fair Value of Contingent Consideration

The following table provides a rollforward of the fair value of contingent consideration (in thousands):

 

Balance at December 31, 2016

   $ 6,119  

Payments

     (6,119
  

 

 

 

Balance at December 31, 2017

   $ —    
  

 

 

 
Schedule of Inventories

Inventories consist of the following (in thousands):

 

     December 31,
2017
     December 31,
2016
 

Raw Materials

   $ 22,351      $ 14,954  

Work-in-process

     4,083        2,789  

Finished products

     12,570        6,953  
  

 

 

    

 

 

 

Total

   $ 39,004      $ 24,696  
  

 

 

    

 

 

 
Reconciliation of Basic and Diluted Shares Amounts

A reconciliation of basic and diluted share amounts is as follows:

 

     Years ended December 31,  
     2017      2016      2015  

Numerator:

        

Net income

   $ 28,353,000      $ 11,681,000      $ 9,345,000  

Denominator:

        

Basic weighted average common shares outstanding

     38,233,527        33,572,883        32,881,940  

Effect of dilutive securities:

        

Stock options and restricted stock awards

     441,924        526,015        695,151  

Convertible senior notes

     474,923        —          —    
  

 

 

    

 

 

    

 

 

 

Diluted weighted average common shares outstanding

     39,150,374        34,098,898        33,577,091  
  

 

 

    

 

 

    

 

 

 

Basic net income per common share

   $ 0.74      $ 0.35      $ 0.28  
  

 

 

    

 

 

    

 

 

 

Diluted net income per common share

   $ 0.72      $ 0.34      $ 0.28  
  

 

 

    

 

 

    

 

 

 
Summary of Product Revenues by Product Line

The following table represents product revenues by product line (in thousands):

 

     December 31, 2017     December 31, 2016     December 31, 2015  

Protein products

   $ 53,969     $ 54,716     $ 52,938  

Filtration products

     49,050 (3)      19,774 (1)      15,676  

Chromatography products

     36,309 (3)      29,520 (2)      14,613  

Other

     1,761 (3)      431       310  
  

 

 

   

 

 

   

 

 

 

Total product revenues

   $ 141,089     $ 104,441     $ 83,537  
  

 

 

   

 

 

   

 

 

 

 

(1) 2016 revenue for filtration products includes revenue related to TangenX from December 14, 2016 through December 31, 2016.
(2) 2016 revenue for chromatography products includes revenue related to Atoll from April 1, 2016 through December 31, 2016.
(3) 2017 revenue for filtration, chromatography and other products includes revenue related to Spectrum from August 1, 2017 through December 31, 2017.
Total Assets by Geographic Area

The following table represents the Company’s total assets by geographic area (in thousands):

 

     December 31,
2017
     December 31,
2016
 

United States

   $ 654,673      $ 209,728  

Europe

     85,169        79,145  

Asia

     3,677        40  
  

 

 

    

 

 

 

Total

   $ 743,519      $ 288,913  
  

 

 

    

 

 

 
Long Lived Assets by Geographic Area

The following table represents the Company’s long-lived assets by geographic area (in thousands):

 

     December 31,
2017
     December 31,
2016
 

United States

   $ 465,453      $ 77,039  

Europe

     34,430        27,721  

Asia

     854        —    
  

 

 

    

 

 

 

Total

   $ 500,737      $ 104,760  
  

 

 

    

 

 

 
Percentage of Revenue from Significant Customers

Revenue from significant customers as a percentage of the Company’s total revenue is as follows:

 

     Years ended December 31,  
     2017     2016     2015  

GE Healthcare

     21     29     37

MilliporeSigma

     18     28     29
Intangible assets

Intangible assets consisted of the following at December 31, 2017 (in thousands):

 

     Gross Carrying
Amount
     Accumulated
Amortization
     Weighted
Average
Useful Life
(in years)
 

Technology – developed

   $ 51,801      $ (3,201      19  

Patents

     240        (238      8  

Customer relationships

     102,120        (9,636      14  

Trademarks – definite lived

     2,160        (47      20  

Trademarks – indefinite lived

     700        —          —    

Other intangibles

     1,063        (209      3  
  

 

 

    

 

 

    

 

 

 

Total intangible assets

   $ 158,084      $ (13,331      16  
  

 

 

    

 

 

    

Intangible assets consisted of the following at December 31, 2016 (in thousands):

 

     Gross Carrying
Amount
     Accumulated
Amortization
     Weighted
Average
Useful Life
(in years)
 

Technology – developed

   $ 12,911      $ (1,468      17  

Patents

     240        (208      8  

Customer relationships

     22,555        (4,995      11  

Trademark/ tradename

     711        —          —    

Other intangibles

     84        (24      2  
  

 

 

    

 

 

    

 

 

 

Total intangible assets

   $ 36,501      $ (6,695      13  
  

 

 

    

 

 

    
Schedule of Amortization Expense for Amortized Intangible Assets

As of December 31, 2017, the Company expects to record the following amortization expense (in thousands):

 

Year Ending

   Amortization Expense  

December 31, 2018

   $ 10,633  

December 31, 2019

     10,578  

December 31, 2020

     9,894  

December 31, 2021

     9,376  

December 31, 2022

     9,374  
Total Revenue  
Percentage by Geographic Area or Significant Customers

The following table represents the Company’s total revenue by geographic area (based on the location of the customer):

 

     Years ended December 31,  
     2017     2016     2015  

United States

     43     39     28

Sweden

     20     29     37

United Kingdom

     4     7     17

Other

     33     25     18
  

 

 

   

 

 

   

 

 

 

Total

     100     100     100
  

 

 

   

 

 

   

 

 

 
Accounts Receivable  
Percentage by Geographic Area or Significant Customers

Significant accounts receivable balances as a percentage of the Company’s total trade accounts receivable and royalties and other receivable balances are as follows:

 

     December 31, 2017     December 31, 2016  

GE Healthcare

     11     26

MilliporeSigma

     19     8