Quarterly report pursuant to Section 13 or 15(d)

Note 13 - Net Loss Per Share - Share/Unit Totals With Potentially Dilutive Impact (Details)

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Note 13 - Net Loss Per Share - Share/Unit Totals With Potentially Dilutive Impact (Details) - shares
shares in Thousands
3 Months Ended 6 Months Ended
Jul. 31, 2024
Jul. 31, 2023
Jul. 31, 2024
Jul. 31, 2023
Antidilutive securities (in shares) 4,163 4,293 4,156 4,080
Warrant [Member]        
Antidilutive securities (in shares) 3,098 3,098 3,098 3,098
Share-Based Payment Arrangement, Option [Member]        
Antidilutive securities (in shares) 63 101 72 105
Restricted Stock Units (RSUs) [Member]        
Antidilutive securities (in shares) 1,002 1,094 986 877