The required amount due as a lump sum payment on final maturity date.

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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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No definition available.

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Face (par) amount of debt instrument at time of issuance.

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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Amount of the required periodic payments including both interest and principal payments.

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Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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No definition available.

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Fixed interest rate related to the interest rate derivative.

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No definition available.

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Nominal or face amount used to calculate payments on the derivative liability.

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Including the current and noncurrent portions, carrying value as of the balance sheet date of loans from a bank with maturities initially due after one year or beyond the normal operating cycle if longer.

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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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Note 8 - Debt (Details Textual) - USD ($)		6 Months Ended
Note 8 - Debt (Details Textual) - USD ($)	May 30, 2012	Jul. 31, 2021	Jan. 31, 2021
2012 Mortgage [Member] \| Rabobank N.A [Member] \| Quad Ortega Hill LLC [Member]
Debt Instrument, Face Amount	$ 16,100,000
Debt Instrument, Periodic Payment, Total	88,100
Final Principal Payment	11,700,000
Loans Payable to Bank, Total		$ 12,100,000
2012 Mortgage [Member] \| Rabobank N.A [Member] \| Quad Ortega Hill LLC [Member] \| Swap [Member]
Derivative Liability, Notional Amount	$ 16,100,000
Derivative, Fixed Interest Rate	4.31%
2012 Mortgage [Member] \| Rabobank N.A [Member] \| Quad Ortega Hill LLC [Member] \| London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument, Basis Spread on Variable Rate	2.25%	0.09%
Promissory Note Issued for Acquisition [Member]
Long-term Debt, Total		$ 2,431,000	$ 0
Debt Instrument, Term (Year)		4 years
Debt Instrument, Interest Rate, Stated Percentage		4.00%