XML 36 R25.htm IDEA: XBRL DOCUMENT v3.20.4

LEASES (Details) - USD ($)		1 Months Ended	6 Months Ended
	Jun. 18, 2009	Nov. 30, 2016	Nov. 30, 2020
LEASES (Details) [Line Items]
Threshold Period Past Due for Write-off of Trade Accounts Receivable			90 days
Operating Lease, Expense			$ 171,769
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	$ 23,637
Building In Irvine California [Member] | First Amendment To Lease [Member]
LEASES (Details) [Line Items]
Lease Expiration Date	Aug. 31, 2021
MEXICO | Property Available for Operating Lease [Member]
LEASES (Details) [Line Items]
Operating Leases, Rent Expense		$ 3,383
Threshold Period Past Due for Write-off of Trade Accounts Receivable		10 years

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

Amount of operating lease expense. Excludes sublease income.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 4
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121603541&loc=SL77918638-209977

+ Details

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

X

- Definition

Threshold period past due for trade accounts receivable to write off as uncollectible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

Name:	us-gaap_ThresholdPeriodPastDueForWriteoffOfTradeAccountsReceivable
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_PropertySubjectToOrAvailableForOperatingLeaseAxis=bmra_BuildingInIrvineCaliforniaMember
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:	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: