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Intangible Assets, Net | 12 Months Ended
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Dec. 31, 2019
Goodwill And Intangible Assets Disclosure [Abstract] |
Intangible Assets, Net |
6. | Intangible Assets, net
Intangible assets are related to certain capitalized milestone and sublicense payments. The following table presents intangible assets (in thousands):
|  | December 31, |
|  | 2019 |  |  | 2018 |
Intangible assets |  | $ | 19,773 |  |  | $ | 19,773 |
Less accumulated amortization |  |  | (17,273 | ) |  |  | (8,056 | )
Total |  | $ | 2,500 |  |  | $ | 11,717 |
We recorded cost of sales - amortization of intangible assets related to capitalized milestone and sublicense payments to Merck, GlaxoSmithKline Biologicals SA (“GSK”) and Coley Pharmaceutical Group, Inc. (“Coley”) that we capitalized upon or after FDA approval of HEPLISAV-B in November 2017. See Note 10. In 2019, cost of sales – amortization of intangible assets of $9.2 million was related to capitalized Merck payments. In 2018, cost of sales – amortization of intangible assets of $8.1 million, $1.5 million and $1.3 million, were related to capitalized Merck, GSK and Coley payments, respectively. In 2017, cost of sales – amortization of intangible assets of $1.2 million was related to capitalized Coley payment. At December 31, 2018, intangible assets related to GSK and Coley have been fully-amortized. The remaining intangible asset related to Merck will be fully amortized by April 2020. No impairment of intangible assets has been identified during the years presented.

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- Definition The entire disclosure for all or part of the information related to intangible assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -URI http://asc.fasb.org/topic&trid=2144416 + Details
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