NOTES RECEIVABLE AND DEPOSITS - Schedule of note receivable and deposits (Details) - USD ($)	Jan. 31, 2020	Jan. 31, 2019	Jan. 31, 2018
NOTES RECEIVABLE AND DEPOSITS [abstract]
Promissory notes receivable	$ 0	$ 5,345,000	$ 0
Deposit on acquisition	0	900,000	0
Accrued interest receivable	0	216,897	0
Additional advances	0	14,618	0
Notes receivable and deposits	$ 0	$ 6,476,515	$ 0

It represents deposit on acquisition.

No definition available.

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- Definition

Noncurrent Additional Advances Receivable

+ References

No definition available.

+ Details

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Namespace Prefix:	cxxif_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- References

No definition available.

+ Details

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- Definition

The amount of interest recognised as a receivable.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
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-IssueDate 2019-01-01
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-URIDate 2019-03-27

+ Details

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- Definition

The amount of non-current loans and receivables. [Refer: Loans and receivables]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Note Expiry date 2021-01-01
-Name IFRS
-Number 7
-IssueDate 2019-01-01
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- Definition

The amount of non-current trade receivables and non-current other receivables. [Refer: Non-current trade receivables; Other non-current receivables]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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+ Details

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