XML 27 R17.htm IDEA: XBRL DOCUMENT
v3.21.4

GEOGRAPHIC INFORMATION (Tables) | 6 Months Ended
--- | ---
Nov. 30, 2021
Geographic Information Disclosure [Abstract] |
Revenue from External Customers by Geographic Areas [Table Text Block] |
|  | Three Months Ended November 30, |  | Six Months Ended November 30,
|  | 2021 |  | 2020 |  | 2021 |  | 2020
Revenues from sales to unaffiliated customers: |  |  |  |  |  |  |  |  |  |  |  |
Asia |  | $ | 3,373,000 |  | $ | 550,000 |  | $ | 4,048,000 |  | $ | 897,000
Europe |  |  | 796,000 |  |  | 580,000 |  |  | 1,267,000 |  |  | 1,171,000
North America |  |  | 429,000 |  |  | 107,000 |  |  | 534,000 |  |  | 241,000
Middle East |  |  | 46,000 |  |  | 96,000 |  |  | 54,000 |  |  | 125,000
South America |  |  | 3,000 |  |  | 40,000 |  |  | 6,000 |  |  | 82,000
|  | $ | 4,647,000 |  | $ | 1,373,000 |  | $ | 5,909,000 |  | $ | 2,516,000

X
- References No definition available. + Details
Name: | bmra_GeographicInformationDisclosureAbstract
Namespace Prefix: | bmra_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of revenue from external customers by geographic areas attributed to the entity's country of domicile and to foreign countries from which the entity derives revenue. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -Subparagraph a -URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e9038-108599 + Details
Name: | us-gaap_RevenueFromExternalCustomersByGeographicAreasTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration