Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

+ Details

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- Definition

The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

+ References

+ Details

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Balance Type:	na
Period Type:	instant

- Definition

Number of options outstanding, including both vested and non-vested options.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(ii)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(i)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

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- Definition

Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

+ References

+ Details

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SHAREHOLDERS' EQUITY (Schedule of stock options outstanding and exercisable) (Details) - $ / shares	Jan. 31, 2022	Jan. 31, 2021	Jan. 31, 2020
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Exercise Price	$ 0.84	$ 1.22	$ 1.78
Outstanding	5,615,000	6,965,000	3,255,000
Exercisable	4,263,333
February 5, 2022 [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Exercise Price	$ 1.11
Outstanding	460,000
Exercisable	460,000
October 9, 2022 [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Exercise Price	$ 1.38
Outstanding	500,000
Exercisable	500,000
January 24, 2023 [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Exercise Price	$ 0.8
Outstanding	100,000
Exercisable	100,000
August 17, 2023 [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Exercise Price	$ 0.7
Outstanding	3,905,000
Exercisable	2,603,333
January 28, 2024 [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Exercise Price	$ 1.5
Outstanding	150,000
Exercisable	100,000
October 9, 2024 [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Exercise Price	$ 1
Outstanding	500,000
Exercisable	500,000