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Note 8 - Accounts Receivables | 12 Months Ended
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Jan. 31, 2022
Notes to Financial Statements |
Financing Receivables [Text Block] | 8. Accounts Receivables Accounts receivables from continuing operations consisted of the following (in thousands):
|  | As of January 31, 2022 |  |  | As of January 31, 2021 |
|  | Current |  |  | Long-term |  |  | Total |  |  | Current |  |  | Long-term |  |  | Total |
Accounts receivable |  | $ | 8,610 |  |  | $ | 650 |  |  | $ | 9,260 |  |  | $ | 5,695 |  |  | $ | — |  |  | $ | 5,695 |
Less allowance for doubtful accounts |  |  | (484 | ) |  |  | — |  |  |  | (484 | ) |  |  | (948 | ) |  |  | — |  |  |  | (948 | )
Accounts receivable net of allowance for doubtful accounts |  | $ | 8,126 |  |  | $ | 650 |  |  | $ | 8,776 |  |  | $ | 4,747 |  |  | $ | — |  |  | $ | 4,747 |
* the long-term balance of accounts receivable is recorded in Other Assets.

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- Definition The entire disclosure for financing receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -URI https://asc.fasb.org/subtopic&trid=2196772 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 20 -URI https://asc.fasb.org/subtopic&trid=2196816 + Details
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