Fair Value Measurements (Narrative) (Details) - USD ($)	3 Months Ended
Apr. 30, 2022	May 01, 2021
Fair Value Disclosures [Abstract]
Investment Owned, at Fair Value	$ 10,500,000
Accrued Liabilities and Other Liabilities	53,000
Unrealized losses related to equity securities	(2,600,000)
Long-lived assets, impairment charges	0	$ 724,000
Operating lease, impairment loss	$ 0	$ 0

Amount of expenses incurred but not yet paid nor invoiced, and liabilities classified as other.

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Amount of unrealized gain (loss) on investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 220
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The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale).

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Value of the investment at close of period. For schedules of investments that are categorized, the value would be aggregated by category. For investment in and advances to affiliates, if operations of any controlled companies are different in character from those of the company, group such affiliates within divisions and by type of activities.

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Amount of loss from impairment of right-of-use asset from operating lease.

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