Note 17 - Subsequent Event	9 Months Ended
Oct. 31, 2021
Notes to Financial Statements
Subsequent Events [Text Block]	17. Subsequent Event On November 12, 2021, the Company issued 432,000 shares of Preferred Stock pursuant to an underwritten public offering. The Company has received net proceeds of approximately $9.5 million after underwriting discounts and other costs. Holders of our Preferred Stock are entitled to 9.00% per annum of the $25.00 per share liquidation preference (equivalent to $2.25 per annum per share), accruing from the date of initial issuance. Dividends will be payable to holders of our Preferred Stock quarterly on or about the last day of January, April, July and October of each year. The record date for dividend payment will be the 15th day of January, April, July and October of each year.

The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-URI http://asc.fasb.org/topic&trid=2122774

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6842918&loc=SL6314017-165662

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