Note 8 - Debt - Summary of Debt (Details) - USD ($) $ in Thousands	Jul. 31, 2021	Jan. 31, 2021
Long-term debt	$ 0	$ 11,825
2012 Mortgage [Member]
Mortgage note payable	12,103	12,366
Less current maturities	(12,103)	(527)
Less loan origination costs, net	0	(14)
Long-term debt	0	11,825
Promissory Note Issued for Acquisition [Member]
Long-term Debt, Total	$ 2,431	$ 0

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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