Amount of amortization of license cost.

No definition available.

Name:	bmra_AmortizationOfLicenseCosts
Namespace Prefix:	bmra_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Date the asset purchase agreement was signed, in CCYY-MM-DD format.

+ References

No definition available.

+ Details

Name:	bmra_AssetPurchaseAgreementInitiationDate
Namespace Prefix:	bmra_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- References

No definition available.

+ Details

Name:	bmra_COMMITMENTSANDCONTINGENCIESDetailsLineItems
Namespace Prefix:	bmra_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

License Cost Amortization Period.

+ References

No definition available.

+ Details

Name:	bmra_LicenseCostAmortizationPeriod
Namespace Prefix:	bmra_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of license issuance cost.

+ References

No definition available.

+ Details

Name:	bmra_LicenseIssuanceCost
Namespace Prefix:	bmra_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Date the operating lease was initiated, in CCYY-MM-DD format.

+ References

No definition available.

+ Details

Name:	bmra_OperatingLeaseInitiationDate
Namespace Prefix:	bmra_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Cash payment for license.

+ References

No definition available.

+ Details

Name:	bmra_PaymentForLicense
Namespace Prefix:	bmra_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Royalty expenses expressed as a percentage of sales.

+ References

No definition available.

+ Details

Name:	bmra_RoyaltyExpensePercentageOfSales
Namespace Prefix:	bmra_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Percentage of total sales of products manufactured under the agreements.

+ References

No definition available.

+ Details

Name:	bmra_SaleOfProductsPercentageOfTotalSales
Namespace Prefix:	bmra_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (a)(2)

-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275

+ Details

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

- Definition

Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line.

+ References

No definition available.

+ Details

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

- Definition

Date which lease or group of leases is set to expire, in CCYY-MM-DD format.

+ References

No definition available.

+ Details

Name:	us-gaap_LeaseExpirationDate1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

The increases or decreases in lease payments that result from changes occurring after the inception of the lease in the factors (other than the passage of time) on which lease payments are based, except that any escalation of minimum lease payments relating to increases in construction or acquisition cost of the leased property or for increases in some measure of cost or value during the construction or preconstruction period, are excluded from contingent rentals. Contingent rentals also may include amounts for which the triggering events have not yet occurred or the specified targets for which have not yet been achieved (such as sales based percentage rent), but which events are considered probable of occurring or which specified targets are considered probable of being achieved.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 20

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6453985&loc=d3e41499-112717

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 10

-Section 55

-Paragraph 40

-Subparagraph (Note 3)

-URI http://asc.fasb.org/extlink&oid=6584154&loc=d3e38371-112697

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Contingent Rentals

-URI http://asc.fasb.org/extlink&oid=6508509

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 10

-Section 40

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6452616&loc=d3e36728-112689

Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 10

-Section 25

-Paragraph 35

-URI http://asc.fasb.org/extlink&oid=7579899&loc=d3e35050-112683

Reference 6: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6452660&loc=d3e36991-112694

+ Details

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

- Definition

This element represents the payments that the lessee is obligated to make or can be required to make in connection with a property under the terms of an agreement classified as an operating lease, excluding contingent rentals and a guarantee by the lessee of the lessor's debt and the lessee's obligation to pay (apart from the rental payments) executory costs such as insurance, maintenance, and taxes.

+ References

+ Details

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

- Definition

The amount of cash paid for the settlement of litigation or for other legal issues during the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 25

-Subparagraph (g)

-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3536-108585

+ Details

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

- Definition

Amount of expense related to royalty payments under a contractual arrangement such as payment for mineral and drilling rights and use of technology or intellectual property.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.3)

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

+ Details

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

- Definition

This element represents money paid in advance to protect the provider of a product or service, such as a lessor, against damage or nonpayment by the buyer or tenant (lessee) during the term of the agreement. Such damages may include physical damage to the property, theft of property, and other contractual breaches. Security deposits held may be interest or noninterest bearing.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-03.15(a))

-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

+ Details

Name:	us-gaap_SecurityDepositLiability
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

Name:	us-gaap_PropertySubjectToOrAvailableForOperatingLeaseAxis=bmra_OperatingLeaseRentalMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementGeographicalAxis=country_MX
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	bmra_ContractsAxis=bmra_AssetsPurchaseAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	bmra_ContractsAxis=bmra_CrossLicenseAgreementToAcquireTechnologyAndIntellectualPropertyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	bmra_ContractsAxis=bmra_PerpetualLicenseMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	bmra_ContractsAxis=bmra_AgreementWithUniversityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	bmra_ContractsAxis=bmra_TwoRoyaltyAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RangeAxis=us-gaap_MinimumMember
Namespace Prefix:
Data Type:	na
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COMMITMENTS AND CONTINGENCIES (Details) - USD ($)				12 Months Ended
COMMITMENTS AND CONTINGENCIES (Details) - USD ($)	Jun. 30, 2010	Oct. 31, 2009	Jun. 18, 2009	May. 31, 2015	May. 31, 2014
COMMITMENTS AND CONTINGENCIES (Details) [Line Items]
Amortization of Intangible Assets				$ 75,056	$ 29,515
Operating Lease Rental [Member]
COMMITMENTS AND CONTINGENCIES (Details) [Line Items]
Operating Lease Initiation Date				Sep. 01, 2009
Lease Expiration Date				Aug. 31, 2016
Operating Leases, Rent Expense, Minimum Rentals			$ 18,490
Operating Leases, Rent Expense, Contingent Rentals				$ 22,080
Security Deposit Liability				22,080
Operating Leases, Rent Expense				236,154	234,960
Operating Lease Rental [Member] \| MEXICO
COMMITMENTS AND CONTINGENCIES (Details) [Line Items]
Operating Leases, Rent Expense				$ 36,000	33,385
Assets Purchase Agreement [Member]
COMMITMENTS AND CONTINGENCIES (Details) [Line Items]
Asset Purchase Agreement, Initiation Date				Mar. 27, 2009
Royalty Expense Percentage of Sales				10.00%
Royalty Expense				$ 1,400	600
Cross License Agreement To Acquire Technology And Intellectual Property [Member]
COMMITMENTS AND CONTINGENCIES (Details) [Line Items]
Payment for Licenses		$ 25,000
License Cost Amortization, Period		10 years
Amortization of Intangible Assets				15,000	15,000
Perpetual License [Member]
COMMITMENTS AND CONTINGENCIES (Details) [Line Items]
Royalty Expense				$ 1,200	8,300
License Cost Amortization, Period				10 years
Amortization of Intangible Assets				$ 25,000
Payments for Legal Settlements	$ 25,000
Amortization of License Costs				12,500
Agreement With University [Member]
COMMITMENTS AND CONTINGENCIES (Details) [Line Items]
Royalty Expense				4,500	6,900
License Issuance Cost				15,000
Two Royalty Agreement [Member]
COMMITMENTS AND CONTINGENCIES (Details) [Line Items]
Royalty Expense				$ 21,000	$ 21,000
Sale of Products Percentage Of Total Sales				3.20%	3.00%
Minimum [Member] \| Cross License Agreement To Acquire Technology And Intellectual Property [Member]
COMMITMENTS AND CONTINGENCIES (Details) [Line Items]
Royalty Expense Percentage of Sales		4.00%
Minimum [Member] \| Perpetual License [Member]
COMMITMENTS AND CONTINGENCIES (Details) [Line Items]
Royalty Expense Percentage of Sales				4.00%
Maximum [Member] \| Cross License Agreement To Acquire Technology And Intellectual Property [Member]
COMMITMENTS AND CONTINGENCIES (Details) [Line Items]
Royalty Expense Percentage of Sales		8.00%
Maximum [Member] \| Perpetual License [Member]
COMMITMENTS AND CONTINGENCIES (Details) [Line Items]
Royalty Expense Percentage of Sales				8.00%