Note 13 - Equity and Stock-based Compensation	3 Months Ended
Apr. 30, 2022
Notes to Financial Statements
Shareholders' Equity and Share-Based Payments [Text Block]	13. Equity and Stock-Based Compensation During the three months ended April 30, 2022, the Board declared quarterly dividends of $0.5625 per share for our Preferred Stock. As of April 30, 2022, there are approximately 1,683,000 shares of Preferred Stock outstanding with an aggregate liquidation preference of approximately $42.0 million. Total compensation expense recognized for stock-based awards granted under the Company’s equity incentive plan during the three months ended April 30, 2022 and 2021 was approximately $ 236,000 and $ 109,000, respectively.

The entire disclosure for shareholders' equity and share-based payment arrangement. Includes, but is not limited to, disclosure of policy and terms of share-based payment arrangement, deferred compensation arrangement, and employee stock purchase plan (ESPP).

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-URI https://asc.fasb.org/topic&trid=2208762

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-URI https://asc.fasb.org/topic&trid=2228938

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