FIBROGEN INC
COMPANY
10-Q
FORM
2025-11-10
FILING DATE
2025-09-30
Q3 PERIOD END
1039
FACTS
SIC 2834
CIK 0000921299
Taxonomy US GAAP 2025  
SIC 2834
CIK 0000921299
Taxonomy US GAAP 2025  
Standard Concepts
289
Extended Concepts
140
33%
Extended Concepts
Errors
0
What are errors?
What are errors?
Indicate problems with an XBRL formatted filing that are sufficient grounds for SEC rejection of the XBRL portion of the filing.
ERROR
Cost of Revenue has a value of -58,000 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:CostOfRevenue fact are: Period :2025-07-01 to 2025-09-30 Unit : USD Rule version: 27.0.10
ERROR
Cost of Revenue has a value of -75,000 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:CostOfRevenue fact are: Period :2024-07-01 to 2024-09-30 Unit : USD Rule version: 27.0.10
WARNING
Cost of Revenue has a value of -58,000 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:CostOfRevenue fact are: Period :2025-07-01 to 2025-09-30 Unit : USD Rule version: 27.0.1
WARNING
Cost of Revenue has a value of -75,000 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:CostOfRevenue fact are: Period :2024-07-01 to 2024-09-30 Unit : USD Rule version: 27.0.1
WARNING
Cost of Revenue has a value of -58,000 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:CostOfRevenue fact are: Period :2025-07-01 to 2025-09-30 Unit : USD Rule version: 27.0.1
WARNING
Cost of Revenue has a value of -75,000 which is less than zero. This element should not have a negative value. The preparer should consider if the value is input correctly for this assertion and, after considering the appropriateness of the input, if incorrect, input the amount as a positive (i.e., absolute) value and provide a negated label. The properties of this us-gaap:CostOfRevenue fact are: Period :2024-07-01 to 2024-09-30 Unit : USD Rule version: 27.0.1
What are data quality errors?
What are data quality errors?
Indicate areas that may not meet the standards set by the Data Quality Committee (DQC), and may reveal areas where the XBRL can be improved.