XML 46 R34.htm IDEA: XBRL DOCUMENT
v3.21.2

Organization and Description of Business (Details) - Schedule of property plant and equipment | 12 Months Ended
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Jan. 31, 2021
Furniture and fixtures [Member] |
Organization and Description of Business (Details) - Schedule of property plant and equipment [Line Items] |
Property plant and equipment, Usefull life | 3 years
Minimum [Member] | Lab Equipment [Member] |
Organization and Description of Business (Details) - Schedule of property plant and equipment [Line Items] |
Property plant and equipment, Usefull life | 5 years
Minimum [Member] | Machinery and equipment [Member] |
Organization and Description of Business (Details) - Schedule of property plant and equipment [Line Items] |
Property plant and equipment, Usefull life | 10 years
Maximum [Member] | Lab Equipment [Member] |
Organization and Description of Business (Details) - Schedule of property plant and equipment [Line Items] |
Property plant and equipment, Usefull life | 10 years
Maximum [Member] | Machinery and equipment [Member] |
Organization and Description of Business (Details) - Schedule of property plant and equipment [Line Items] |
Property plant and equipment, Usefull life | 20 years

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

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- Definition Useful life of other property, plant and equipment (PPE) owned by public utility, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Details
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Namespace Prefix: |
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- Details
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Balance Type: |
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- Details
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- Details
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- Details
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