Equity and Stock-Based Compensation	6 Months Ended
Jul. 31, 2021
Equity [Abstract]
Equity and Stock-Based Compensation	Equity and Stock-Based CompensationDuring the three months ended July 31, 2021, the Board declared quarterly dividends of $0.5625 per share for our Preferred Stock. As of July 31, 2021, there are 1,223,000 shares of Preferred Stock outstanding with an aggregate liquidation preference of approximately $30.6 million. Total compensation expense recognized for stock-based awards granted under the Company’s equity incentive plan during the three and six months ended July 31, 2021 was approximately $115,000 and $224,000, respectively, and during the three and six months ended July 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

Name:	us-gaap_ShareholdersEquityAndShareBasedPaymentsTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration