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Consolidated Statements of Cash Flows (Unaudited) (Parenthetical) - USD ($)	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Statement of Cash Flows [Abstract]
Common stock from direct offering, net of underwriting discounts, commissions, and offering expenses		$ 495,000
Warrants, net of underwriting discounts, commissions, and offering expenses	$ 243,145

X

- Definition

The cash outflow for cost incurred directly with the issuance of an warrant.

+ References

No definition available.

+ Details

Name:	BIAF_PaymentsOfWarrantIssuanceCosts
Namespace Prefix:	BIAF_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

The cash outflow for cost incurred directly with the issuance of an equity security.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-15

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
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