Note 2 - Significant Accounting Policies - Accounting Standards Update (Details) - USD ($) |
12 Months Ended | |
|---|---|---|
Jan. 31, 2025 |
Jan. 31, 2024 |
|
| Allowance for credit losses | $ 86,000 | $ 132,000 |
| Allowance for credit losses, provision | (58,000) | (10,000) |
| Allowance for credit losses, writeoffs | 31,000 | |
| Allowance for credit losses | 59,000 | 86,000 |
| Cumulative Effect, Period of Adoption, Adjustment [Member] | Accounting Standards Update 2016-13 [Member] | ||
| Allowance for credit losses | $ 0 | (36,000) |
| Allowance for credit losses | $ 0 | |
| X | ||||||||||
- Definition Amount of allowance for credit loss on accounts receivable. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of direct write-downs of accounts receivable charged against the allowance. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of expense (reversal of expense) for expected credit loss on accounts receivable. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Details
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| X | ||||||||||
- Details
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