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Note 20 - Corporate Restructuring (Details Textual) - shares | Jan. 31, 2022 | Jan. 31, 2021 | Aug. 03, 2020 | Aug. 02, 2020
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Common Stock and Preferred Stock, Shares Authorized (in shares) |  |  | 42,000,000 | 21,000,000
Common Stock, Shares Authorized (in shares) | 40,000,000 | 40,000,000 | 40,000,000 | 20,000,000
Preferred Stock, Shares Authorized (in shares) | 2,000,000 | 2,000,000 | 2,000,000 | 1,000,000

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- Definition The number of common and preferred stock shares authorized. + References No definition available. + Details
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Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

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- Definition The maximum number of common shares permitted to be issued by an entity's charter and bylaws. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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