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Note 8 - Accounts Receivables - Accounts Receivables From Continuing Operations (Details) - USD ($) $ in Thousands | Jan. 31, 2022 | Jan. 31, 2021
--- | --- | ---
Accounts receivable, current | $ 8,610 | $ 5,695
Accounts receivable, noncurrent | 650 | 0
Accounts receivable | 9,260 | 5,695
Less allowance for doubtful accounts, current | (484) | (948)
Less allowance for doubtful accounts, noncurrent | 0 | 0
Less allowance for doubtful accounts | (484) | (948)
Accounts receivable net of allowance for doubtful accounts, current | 8,126 | 4,747
Accounts receivable net of allowance for doubtful accounts, noncurrent | 650 | 0
Accounts receivable net of allowance for doubtful accounts | $ 8,776 | $ 4,747

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