Note 14 - Equity and Stock-based Compensation	9 Months Ended
Oct. 31, 2021
Notes to Financial Statements
Shareholders' Equity and Share-based Payments [Text Block]	14. Equity and Stock-Based Compensation During the three months ended October 31, 2021, the Board declared quarterly dividends of $0.5625 per share for our Preferred Stock. As of October 31, 2021, there are approximately 1,250,000 shares of Preferred Stock outstanding with an aggregate liquidation preference of approximately $31.2 million. Total compensation expense recognized for stock-based awards granted under the Company’s equity incentive plan during the three and nine months ended October 31, 2021 was approximately $ 183,000 and $ 419,000, respectively, and during the three and nine months ended October 31, 2020 was approximately $ 219,000 and $ 449,000, 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 http://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 http://asc.fasb.org/topic&trid=2228938

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