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Goodwill and Intangible Assets (Tables)
3 Months Ended
Mar. 31, 2019
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Intangible Assets and Goodwill
The table below shows the weighted-average life, original cost, accumulated amortization, and net book value by major intangible asset classification (in thousands):
 
Weighted-Average Life (Years)
 
Original Cost
 
Accumulated Amortization
 
Net Book Value
Definite-lived intangible assets
 
 
 
 
 
 
 
Distribution right
20
 
$
58,076

 
$
(484
)
 
$
57,592

Capitalized software
2
 
1,190

 

 
1,190

Intangible assets, net
 
 
59,266

 
(484
)
 
58,782

Indefinite-lived intangible asset
 
 
 
 
 
 
 
Goodwill
*
 
21,208

 

 
21,208

Total as of March 31, 2019
 
 
$
80,474

 
$
(484
)
 
$
79,990

 
Weighted-Average Life (Years)
 
Original Cost
 
Accumulated Amortization
 
Net Book Value
Indefinite-lived intangible assets
 
 
 
 
 
 
 
IPR&D**
*
 
$
56,076

 
$

 
$
56,076

Goodwill
*
 
21,208

 

 
21,208

Total as of December 31, 2018
 
 
$
77,284

 
$

 
$
77,284

________________________
* Intangible assets with indefinite lives have an indeterminable average life.
** IPR&D is presented as “intangible asset, net” in the accompanying condensed balance sheets.
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense
The following table outlines the estimated future amortization expense related to intangible assets held as of March 31, 2019 that are subject to amortization:
Fiscal year
(in thousands)

Remaining in 2019
$
2,178

2020
2,904

2021
2,904

2022
2,904

2023
2,904

Thereafter
43,798

 
$
57,592