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Employee Benefits (Details) - USD ($)	3 Months Ended	6 Months Ended
	Jul. 31, 2022	Jul. 31, 2022	Jan. 31, 2022
Employee Benefits (Details) [Line Items]
Weighted Average Number of Shares, Restricted Stock (in Shares)		67,500
Restricted Stock or Unit Expense	$ 188,000	$ 188,000
Rex Shareholders [Member]
Employee Benefits (Details) [Line Items]
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount	$ 621,000	$ 621,000	$ 97,000
Share-Based Payment Arrangement, Option [Member] | Stock Option Plans 2015 [Member]
Employee Benefits (Details) [Line Items]
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized (in Shares)	1,650,000	1,650,000
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant (in Shares)	1,342,392	1,342,392

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Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
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Number of shares authorized for issuance under share-based payment arrangement.

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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Number of shares of restricted stock determined by relating the portion of time within a reporting period that restricted shares have been outstanding to the total time in that period. Restricted shares are subject to sales, contractual, regulatory or other restrictions that prevent or inhibit the holder from freely disposing of them before the restriction ends.

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