XML 33 R22.htm IDEA: XBRL DOCUMENT v3.10.0.1

Shareholders` Equity (Details)	6 Months Ended
	Nov. 30, 2018 USD ($)
At Market Issuance Sales Agreement [Member]
Shareholders` Equity (Details) [Line Items]
Proceeds from Issuance of Common Stock	$ 927,600

X

- References

No definition available.

+ Details

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

X

- Definition

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3255-108585

+ Details

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

X

- Details

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