BIOLARGO, INC.
COMPANY
S-1
FORM
2026-04-09
FILING DATE
None
PERIOD END
1502
FACTS
SIC 2800
CIK 0000880242
Taxonomy US GAAP 2025  
SIC 2800
CIK 0000880242
Taxonomy US GAAP 2025  
Standard Concepts
396
Extended Concepts
163
29%
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
The calculation weight between the concept us-gaap:EffectiveIncomeTaxRateContinuingOperations and us-gaap:EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate is -1 in the extension taxonomy. This weight does not match the weight between these two concepts defined in the US GAAP taxonomy which is 1. The calculation weight for this relationship should be updated to match the US GAAP taxonomy. Rule Element Id:10098 Rule version: 28.0.12
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.
WARNING
Concept IncomeStatementLocationAxis in us-gaap/2025 used in 2 facts was deprecated as of 2026 and should not be used.
WARNING
Concept SellingGeneralAndAdministrativeExpensesMember in us-gaap/2025 used in 2 facts was deprecated as of 2026 and should not be used.
WARNING
67 fact(s) appearing in ix:hidden were eligible for transformation: blgo:ClassOfWarrantOrRightExercisedDuringPeriod, blgo:EngagementExtensionTerm, blgo:GrantTerm, blgo:NumberOfMajorCustomers, blgo:NumberOfPatentsAcquired, blgo:NumberOfWhollyOwnedSubsidiaries, blgo:NumberofAccreditedInvestors, blgo:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodFairValue, blgo:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestingPeriodForRenewableOptions, us-gaa...
INFO
for submission type S-1, Offering 1, Rule 457(o), ffd:AmtSctiesRegd may be omitted. Filers relying on Rule 457(o) to determine the fee for a class of securities registered on this form may omit the Amount Registered and Proposed Maximum Offering Price Per Unit for any such class.
INFO
for submission type S-1, Offering 1, Rule 457(o), ffd:MaxOfferingPricPerScty may be omitted. Filers relying on Rule 457(o) to determine the fee for a class of securities registered on this form may omit the Amount Registered and Proposed Maximum Offering Price Per Unit for any such class.
What are possible issues?
What are possible issues?
Indicate areas of interest as to the quality of an XBRL formatted filing, and in some cases reveal opportunities for improvement of the XBRL filing.