XML 37 R20.htm IDEA: XBRL DOCUMENT
v3.19.1

Disclosure - Organization and Summary of Significant Accounting Policies (Tables) | 12 Months Ended
--- | ---
Jan. 31, 2019
Disclosure - Organization And Summary Of Significant Accounting Policies |
Schedule of property plant and equipment |
Lab Equipment |  | 5 years
Furniture, fixtures and equipment |  | 3 years
Schedule of disaggregation of revenues |
Revenue by service type |  | Year Ended January 31, 2019 $ |  |  | Year Ended January 31, 2018 $ |
Sale of goods |  |  | 49,000 |  |  |  | - |
Services |  |  | 196,285 |  |  |  | - |
Total |  |  | 245,285 |  |  |  | - |
Revenue by geographical location |  | Year Ended January 31, 2019 $ |  |  | Year Ended January 31, 2018 $ |
United States |  |  | 196,285 |  |  |  | - |
Non-United States |  |  | 49,000 |  |  |  | - |
Total |  |  | 245,285 |  |  |  | - |

X
- Definition Tabular disclosure of property and equipment usefull life. + References No definition available. + Details
Name: | ntrb_PropertyPlantAndEquipmentUsefulLifeTextBlock
Namespace Prefix: | ntrb_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130545-203045 + Details
Name: | us-gaap_DisaggregationOfRevenueTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration