Note 8 - Debt (Details Textual) - Rabobank N.A [Member] - USD ($)	Jan. 31, 2020	May 30, 2012
2012 Mortgage [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
2012 Mortgage [Member] \| Quad Ortega Hill LLC [Member] \| Swap [Member]
Derivative Liability, Notional Amount		$ 16,100,000
Derivative, Fixed Interest Rate		4.31%
2012 Mortgage [Member] \| Quad Ortega Hill LLC [Member] \| London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument, Basis Spread on Variable Rate	1.67%	2.25%
Unsecured Credit Agreement [Member]
Loans Payable to Bank, Total	$ 12,900,000

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

No definition available.

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- Definition

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

+ References

No definition available.

+ Details

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- Definition

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

+ References

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- Definition

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

+ References

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- Definition

Fixed interest rate related to the interest rate derivative.

+ References

No definition available.

+ Details

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- Definition

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

+ References

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- Definition

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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