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Related Party Transactions | 9 Months Ended
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Sep. 30, 2023
Related Party Transactions [Abstract] |
Related Party Transactions | 11. Related Party Transactions Astellas is an equity investor in the Company and is considered a related party. The Company recorded license and development revenue related to collaboration agreements with Astellas of $2.4 million and $1.4 million for the three months ended September 30, 2023 and 2022, and $5.8 million and $31.0 million for the nine months ended September 30, 2023 and 2022, respectively. The Company also recorded drug product revenue from Astellas of $1.3 million and $(4.1) million for the three months ended September 30, 2023 and 2022, and $17.7 million and $4.6 million for the nine months ended September 30, 2023 and 2022, 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 each of the three and nine months ended September 30, 2023 and 2022. As of September 30, 2023 and December 31, 2022, accounts receivable from Astellas were $8.7 million and $1.5 million, respectively. As of September 30, 2023 and December 31, 2022, total deferred revenue from Astellas was $10.2 million and $40.3 million, respectively. As of September 30, 2023, the amounts due to Astellas, included in accrued and other current liabilities, and other long-term liabilities, totaled $29.8 million. As of December 31, 2022, the amount due to Astellas, included in accrued and other current liabilities, was $63.9 million. 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 4, Equity method investment - Variable Interest Entity, for details. The net product revenue from Falikang was $26.5 million and $14.9 million for the three months ended September 30, 2023 and 2022, and $68.3 million and $50.9 million for the nine months ended September 30, 2023 and 2022, respectively. See the Product Revenue, Net section in Note 2, Collaboration Agreements, License Agreement and Revenues, for details. The investment income in Falikang was $0.7 million and $0.4 million for the three months ended September 30, 2023 and 2022, and $2.0 million and $1.3 million for the nine months ended September 30, 2023 and 2022, respectively. During the three months ended September 30, 2023, the Company received $2.3 million of dividend distribution from Falikang. As of September 30, 2023 and December 31, 2022, the Company’s equity method investment in Falikang was $4.5 million and $5.1 million, respectively. See Note 4, Equity method investment - Variable Interest Entity, for details. The other income from Falikang was immaterial for each of the three and nine months ended September 30, 2023 and 2022. As of September 30, 2023 and December 31, 2022, accounts receivable, net, from Falikang, were $14.2 million and $10.5 million, respectively.

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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 -Topic 946 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480990/946-20-50-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480990/946-20-50-5 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480990/946-20-50-6 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 235 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481062/946-235-50-2 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 235 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481062/946-235-50-2 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 850 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483326/850-10-50-1 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.6-07(2)(g)(3)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483575/946-220-S99-1 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.6-07(2)(c)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483575/946-220-S99-1 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.6-07(2)(e)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483575/946-220-S99-1 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Topic 850 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org//850/tableOfContent Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Topic 850 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483326/850-10-50-6 Reference 12: http://www.xbrl.org/2003/role/disclosureRef -Topic 850 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483326/850-10-50-1 Reference 13: http://www.xbrl.org/2003/role/disclosureRef -Topic 850 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483326/850-10-50-1 + Details
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