XML 26 R28.htm IDEA: XBRL DOCUMENT v3.19.3

Leases (Details) - USD ($)			1 Months Ended	3 Months Ended
	Sep. 01, 2019	Jun. 18, 2009	Nov. 30, 2016	Aug. 31, 2019
Leases (Details) [Line Items]
Operating Leases, Rent Expense				$ 85,946
Building In Irvine California [Member]
Leases (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		$ 22,080
MEXICO | Property Available for Operating Lease [Member]
Leases (Details) [Line Items]
Operating Leases, Rent Expense, Minimum Rentals			$ 2,926
Operating Leases, Rent Expense			$ 3,140
Lease Expiration Period			10 years
First Amendment To Lease [Member] | Building In Irvine California [Member]
Leases (Details) [Line Items]
Operating Lease Initiation Date		Sep. 01, 2016
Lease Expiration Date		Aug. 31, 2021
Operating Leases, Rent Expense, Minimum Rentals		$ 21,000
First Amendment To Lease [Member] | Subsequent Event [Member] | Building In Irvine California [Member]
Leases (Details) [Line Items]
Operating Leases, Rent Expense	$ 22,948

X

- Definition

Represents the number of years in which the lease expires.

+ References

No definition available.

+ Details

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

X

- References

No definition available.

+ Details

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

X

- 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

X

- 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

X

- 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

X

- 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

Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 10
-Section 25
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=77910348&loc=d3e34039-112682

Reference 2: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 10
-Section 55
-Paragraph 40
-Subparagraph (Note 3)
-URI http://asc.fasb.org/extlink&oid=82846649&loc=d3e38371-112697

Reference 3: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=77902758&loc=d3e41499-112717

+ Details

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

X

- Details

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

X

- Details

Name:	srt_StatementGeographicalAxis=country_MX
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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

X

- Details

Name:	bmra_LeaseAmendmentAxis=bmra_FirstAmendmentToLeaseMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: