XML 52 R40.htm IDEA: XBRL DOCUMENT
v3.21.2

Income Taxes (Details) - USD ($) | 1 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 22, 2017 | Jan. 31, 2021
Income Tax Disclosure [Abstract] |  |
Net operating loss carryforward |  | $ 5,300,000
Net operating loss expire, description |  | The Company’s NOL expires in 2038.
Valuation allowance |  | $ 810,000
Corporate rate, description | On December 22, 2017, the Tax Cuts and Jobs Act (the “Tax Act”) significantly revised U.S. corporate income tax law by, among other things, reducing the corporate rate from 34% to 21%. |

X
- Definition Description of effective income tax federal statutory tax rate. + References No definition available. + Details
Name: | ntrb_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTax
Namespace Prefix: | ntrb_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition A description of the limitations on the use of all operating loss carryforwards available to reduce future taxable income. + References No definition available. + Details
Name: | us-gaap_OperatingLossCarryforwardsLimitationsOnUse
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The portion of the valuation allowance pertaining to the deferred tax asset representing potential future taxable deductions from net operating loss carryforwards for which it is more likely than not that a tax benefit will not be realized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32537-109319 + Details
Name: | us-gaap_OperatingLossCarryforwardsValuationAllowance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32537-109319 + Details
Name: | us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration