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Related Party Transactions | 3 Months Ended
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Mar. 31, 2022
Related Party Transactions [Abstract] |
Related Party Transactions | 7. Related Party Transactions Astellas is an equity investor in the Company and is considered a related party. The Company recorded revenue related to collaboration agreements with Astellas of $27.8 million and $3.6 million for the three months ended March 31, 2022 and 2021, respectively. The Company also recorded drug product revenue from Astellas of $7.6 million and $4.0 million for the three months ended March 31, 2022 and 2021, respectively. See Note 2, Collaboration Agreements, License Agreement and Revenues, for details. The Company’s expense related to collaboration agreements with Astellas was immaterial for the three months ended March 31, 2022 and 2021. As of March 31, 2022 and December 31, 2021, accounts receivable from Astellas were $37.6 million and $10.9 million, respectively. As of March 31, 2022 and December 31, 2021, total deferred revenue from Astellas was $29.6 million and $27.9 million, respectively. As of March 31, 2022, the amount due to Astellas was $49.7 million. As of December 31, 2021, amount due to Astellas was immaterial. Falikang, an entity jointly owned by FibroGen Beijing and AstraZeneca is an unconsolidated VIE accounted for as an equity method investment, and considered as a related party to the Company. FibroGen Beijing owns 51.1% of Falikang’s equity. See Note 3, Variable Interest Entity, for details. For the three months ended March 31, 2022 and 2021, the net product revenue from Falikang was $16.2 million and $10.4 million, respectively. See Note 2, Collaboration Agreements, License Agreement and Revenues, for details. For the three months ended March 31, 2022 and 2021, the investment income (loss) in Falikang was $0.3 million and ($0.2) million, respectively. As of March 31, 2022 and December 31, 2021, the Company’s equity method investment in Falikang was $4.2 million and $3.8 million, respectively. See Note 3, Variable Interest Entity, for details. As of March 31, 2022 , accounts receivable, net, from Falikang was of $1.2 million. As of December 31, 2021, accounts receivable, net, from Falikang was zero. The total deferred revenue from Falikang was zero as of March 31, 2022. The total deferred revenue from Falikang was $1.2 million as of December 31, 2021.

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- Definition The entire disclosure for related party transactions. Examples of related party transactions include transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners; and (d) affiliates. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -URI http://asc.fasb.org/topic&trid=2122745 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39691-107864 + Details
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