Note 20 - Corporate Restructuring (Details Textual) - shares	Jan. 31, 2022	Jan. 31, 2021	Aug. 03, 2020	Aug. 02, 2020
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

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.

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

Name:	us-gaap_PreferredStockSharesAuthorized
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant