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Note 12 - Commitments and Contingencies (Details Textual) | Jun. 30, 2022 ft²
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Emeryville, California [Member] |
Number of Copiers Leased | 2
Riverside, Missouri [Member] |
Area of Real Estate Property (Square Foot) | 19,136

X
- Definition Amount of copiers leased. + References No definition available. + Details
Name: | nby_NumberOfCopiersLeased
Namespace Prefix: | nby_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Area of a real estate property. + References No definition available. + Details
Name: | us-gaap_AreaOfRealEstateProperty
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:areaItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_LeaseContractualTermAxis=nby_EmeryvilleCaliforniaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LeaseContractualTermAxis=nby_RiversideMissouriMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |