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Delivery Costs (Details) - USD ($) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jul. 31, 2020 | Jul. 31, 2019 | Jul. 31, 2020 | Jul. 31, 2019
Other Income and Expenses [Abstract] |  |  |  |
Shipping and classroom delivery costs | $ 4,907,000 | $ 6,497,000 | $ 6,985,000 | $ 9,258,000

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- References No definition available. + Details
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- Definition Shipping And Classroom Delivery Costs + References No definition available. + Details
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Namespace Prefix: | virc_
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Balance Type: | debit
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