Sale of stock expenses.

No definition available.

Name:	BMRA_SaleOfStockExpenses
Namespace Prefix:	BMRA_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Specific incremental costs directly attributable to a proposed or actual offering of securities which are deferred at the end of the reporting period.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 340
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 5.A)
-Publisher FASB
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+ Details

Name:	us-gaap_DeferredOfferingCosts
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The cash inflow from the additional capital contribution to the entity.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Section 45
-Paragraph 14
-Subparagraph (a)
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+ Details

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

- Definition

Cash received on stock transaction after deduction of issuance costs.

+ References

No definition available.

+ Details

Name:	us-gaap_SaleOfStockConsiderationReceivedOnTransaction
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The number of shares issued or sold by the subsidiary or equity method investee per stock transaction.

+ References

No definition available.

+ Details

Name:	us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction.

+ References

No definition available.

+ Details

Name:	us-gaap_SaleOfStockPricePerShare
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
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+ Details

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

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_SubsidiarySaleOfStockLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_SubsidiarySaleOfStockAxis=BMRA_ATMOfferingMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_SubsidiarySaleOfStockAxis=BMRA_ATMAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

SHAREHOLDERS’ EQUITY (Details Narrative) - USD ($)			3 Months Ended
SHAREHOLDERS’ EQUITY (Details Narrative) - USD ($)	May 10, 2024	Sep. 28, 2023	Aug. 31, 2025	Aug. 31, 2024	May 31, 2024
Subsidiary, Sale of Stock [Line Items]
Common stock issuance value		$ 20,000,000	$ 912,000
Sale of stock, consideration received on transaction	$ 5,500,000
Proceeds from issuance of common stock			939,000
Sale of stock expenses					$ 81,000
ATM Offering [Member]
Subsidiary, Sale of Stock [Line Items]
Sale of stock, consideration received on transaction			$ 939,000
Sale of stock, number of shares issued in transaction			258,569
Proceeds from issuance of common stock			$ 912,000
Sale of stock expenses			$ 27,000
ATM Offering [Member] \| Minimum [Member]
Subsidiary, Sale of Stock [Line Items]
Sale of stock, price per share			$ 3.34
ATM Offering [Member] \| Maximum [Member]
Subsidiary, Sale of Stock [Line Items]
Sale of stock, price per share			$ 3.69
ATM Agreement [Member]
Subsidiary, Sale of Stock [Line Items]
Proceeds from issuance of common stock			$ 912,000
Sale of stock expenses			27,000
Sale of stock expenses			$ 8,000