Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

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The amount of additional borrowing that is available to the borrower if certain conditions are met or extensions requested.

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

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Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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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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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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Fixed interest rate related to the interest rate derivative.

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Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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Amount of interest expense classified as other.

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The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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The effective interest rate at the end of the reporting period.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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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 of cash outflow for cost from early extinguishment and prepayment of debt. Includes, but is not limited to, third-party cost, premium paid, and other fee paid to lender directly for debt extinguishment or debt prepayment. Excludes accrued interest.

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Write-off of amounts previously capitalized as debt issuance cost in an extinguishment of debt.

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Note 7 - Debt (Details Textual) - USD ($)		12 Months Ended
Note 7 - Debt (Details Textual) - USD ($)	Sep. 23, 2016	May 27, 2018	May 28, 2017	May 29, 2016	Nov. 01, 2016
Long-term Debt, Total		$ 42,300,000	$ 47,239,000
Debt Issuance Costs, Net, Total		200,000	261,000
Line of Credit, Current		27,000,000	3,000,000
Gain (Loss) on Extinguishment of Debt, Total	$ (1,200,000)		(1,233,000)
Payment for Debt Extinguishment or Debt Prepayment Cost	233,000		233,000
Write off of Deferred Debt Issuance Cost	1,000,000
Apio [Member] \| Amortization of Loan Origination Fees [Member]
Interest Expense, Other		$ 181,000	142,000	$ 293,000
Interest Rate Swap [Member] \| BMO [Member]
Derivative, Notional Amount					$ 50,000,000
London Interbank Offered Rate (LIBOR) [Member] \| Interest Rate Swap [Member] \| BMO [Member]
Derivative, Fixed Interest Rate					1.22%
Credit Agreement With JPMorgan Chase, BMO Harris Bank, and City National Bank [Member]
Debt Instrument, Additional Borrowing Amount	$ 75,000,000
Debt Issuance Costs, Net, Total			897,000
Credit Agreement With JPMorgan Chase, BMO Harris Bank, and City National Bank [Member] \| Prime Rate [Member] \| Minimum [Member]
Debt Instrument, Basis Spread on Variable Rate	0.25%
Credit Agreement With JPMorgan Chase, BMO Harris Bank, and City National Bank [Member] \| Prime Rate [Member] \| Maximum [Member]
Debt Instrument, Basis Spread on Variable Rate	1.25%
Credit Agreement With JPMorgan Chase, BMO Harris Bank, and City National Bank [Member] \| Eurodollar [Member] \| Minimum [Member]
Debt Instrument, Basis Spread on Variable Rate	1.25%
Credit Agreement With JPMorgan Chase, BMO Harris Bank, and City National Bank [Member] \| Eurodollar [Member] \| Maximum [Member]
Debt Instrument, Basis Spread on Variable Rate	2.25%
Credit Agreement With JPMorgan Chase, BMO Harris Bank, and City National Bank [Member] \| Term Loan [Member]
Long-term Debt, Total	$ 50,000,000
Debt Instrument, Term	5 years
Debt Instrument, Periodic Payment, Total	$ 1,250,000
Debt Instrument, Interest Rate, Effective Percentage		3.22%
Debt Issuance Costs, Net, Total			299,000
Credit Agreement With JPMorgan Chase, BMO Harris Bank, and City National Bank [Member] \| Revolving Credit Facility [Member]
Line of Credit Facility, Maximum Borrowing Capacity	100,000,000
Debt Issuance Costs, Net, Total			$ 598,000
Line of Credit, Current	$ 1,500,000	$ 27,000,000
Credit Agreement With JPMorgan Chase, BMO Harris Bank, and City National Bank [Member] \| Revolving Credit Facility [Member] \| Prime Rate [Member]
Line of Credit Facility, Interest Rate at Period End		5.75%
Long-term Line of Credit, Total		$ 4,000,000
Credit Agreement With JPMorgan Chase, BMO Harris Bank, and City National Bank [Member] \| Revolving Credit Facility [Member] \| London Interbank Offered Rate (LIBOR) [Member]
Line of Credit Facility, Interest Rate at Period End		3.91%
Long-term Line of Credit, Total		$ 23,000,000