XML 32 R21.htm IDEA: XBRL DOCUMENT v3.7.0.1

Geographic Information (Details) - Financial information about foreign and domestic operations and export sales - USD ($)	3 Months Ended		9 Months Ended
	Feb. 28, 2017	Feb. 29, 2016	Feb. 28, 2017	Feb. 29, 2016
Revenues from sales to unaffiliated customers:
Net Sales	$ 1,499,930	$ 1,361,608	$ 4,342,247	$ 3,813,683
UNITED STATES
Revenues from sales to unaffiliated customers:
Net Sales	345,000	370,000	743,000	776,000
Asia [Member]
Revenues from sales to unaffiliated customers:
Net Sales	448,000	367,000	1,740,000	1,219,000
Europe [Member]
Revenues from sales to unaffiliated customers:
Net Sales	654,000	543,000	1,672,000	1,634,000
South America [Member]
Revenues from sales to unaffiliated customers:
Net Sales	13,000	1,000	43,000	50,000
Middle East [Member]
Revenues from sales to unaffiliated customers:
Net Sales	37,000	81,000	127,000	134,000
Other Foreign [Member]
Revenues from sales to unaffiliated customers:
Net Sales	$ 3,000		$ 17,000	$ 1,000

X

- References

No definition available.

+ Details

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

X

- Definition

Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

+ 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 210.5-03.1)
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

+ Details

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

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

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