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Goodwill and Intangible Assets
9 Months Ended
Sep. 30, 2014
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill and Intangible Assets
Goodwill and Intangible Assets. Other intangible assets as of September 30, 2014 and December 31, 2013, consisted of the following (in thousands):
 
September 30, 2014
 
Gross Carrying
Amount
 
Accumulated
Amortization
 
Net Carrying
Amount
Patents
$
9,921

 
$
(2,104
)
 
$
7,817

Distribution agreements
5,376

 
(2,139
)
 
3,237

License agreements
6,327

 
(1,664
)
 
4,663

Trademarks
7,313

 
(1,961
)
 
5,352

Covenants not to compete
1,029

 
(577
)
 
452

Customer lists
20,473

 
(12,649
)
 
7,824

Royalty agreements
267

 
(267
)
 

 
 
 
 
 
 
Total
$
50,706

 
$
(21,361
)
 
$
29,345


 
December 31, 2013
 
Gross Carrying
Amount
 
Accumulated
Amortization
 
Net Carrying
Amount
Patents
$
9,302

 
$
(2,374
)
 
$
6,928

Distribution agreements
5,176

 
(1,780
)
 
3,396

License agreements
3,783

 
(1,249
)
 
2,534

Trademarks
7,622

 
(1,844
)
 
5,778

Covenants not to compete
1,029

 
(399
)
 
630

Customer lists
20,626

 
(10,957
)
 
9,669

Royalty agreements
267

 
(267
)
 

 
 
 
 
 
 
Total
$
47,805

 
$
(18,870
)
 
$
28,935



Aggregate amortization expense related to developed technology and other intangible assets for the three and nine-month periods ended September 30, 2014 was approximately $3.8 million and $11.2 million, respectively, and approximately $3.4 million and $10.4 million for the three and nine-month periods ending September 30, 2013, respectively.

Estimated amortization expense for developed technology and other intangible assets for the next five years consists of the following as of September 30, 2014 (in thousands):

Year Ending December 31
 
Remaining 2014
$
3,821

2015
15,031

2016
14,303

2017
13,898

2018
13,369



We evaluate long-lived assets, including amortizing intangible assets, for impairment whenever events or changes in circumstances indicate that their carrying amounts may not be recoverable. We perform the impairment analysis at the asset group for which the lowest level of identifiable cash flows are largely independent of the cash flows of other assets and liabilities. We compared the carrying value of the amortizing intangible assets acquired in our Ostial acquisition to the undiscounted cash flows expected to result from our operation of the Ostial asset group, and we determined that the carrying amount was not recoverable. We then determined the fair value of the amortizing assets related to the Ostial acquisition based on estimated future cash flows discounted back to their present value using a discount rate that reflects the risk profiles of the underlying activities. Some of the factors that influenced our estimated cash flows were slower than anticipated sales growth in the products acquired from our Ostial acquisition and uncertainty about future sales growth. The excess of the carrying value compared to the fair value was recognized as an intangible asset impairment charge. During the three months ended September 30, 2014, we recorded an impairment charge of approximately $1.1 million, which was offset by approximately $874,000 of fair value reductions to the contingent consideration liability. During the three months ended September 30, 2013, we recorded an impairment charge of approximately $8.1 million, which was offset by approximately $3.8 million of fair value reductions to the contingent consideration liability.