Note 14 - Net Income (Loss) Per Share - Share/Unit Totals With Potentially Dilutive Impact (Details) - shares	3 Months Ended
Apr. 30, 2026	Apr. 30, 2025
Antidilutive securities (in shares)	4,881	4,442
Warrant [Member]
Antidilutive securities (in shares)	2,848	3,098
Restricted Stock Units (RSUs) [Member]
Antidilutive securities (in shares)	2,025	1,310
Share-Based Payment Arrangement, Option [Member]
Antidilutive securities (in shares)	8	34

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 260
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482662/260-10-50-1

Name:	us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration