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Delivery Costs | 3 Months Ended
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Apr. 30, 2021
Other Income and Expenses [Abstract] |
Delivery Costs | Delivery CostsFor the quarter ended April 30, 2021 and 2020, shipping and classroom delivery costs of approximately $2,921,000 and $2,078,000, respectively, were included in selling, general and administrative expenses in the accompanying condensed consolidated statements of operations.

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- Definition Delivery Costs [Text Block] + References No definition available. + Details
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