Note 10 - Debt (Details) (USD $)					3 Months Ended				3 Months Ended		1 Months Ended			3 Months Ended							1 Months Ended		1 Months Ended
	Aug. 25, 2013	May 28, 2013	May 26, 2013	May 23, 2012	Aug. 25, 2013 GE [Member] Amortization of Loan Origination Fees [Member]	Aug. 26, 2012 GE [Member] Amortization of Loan Origination Fees [Member]	Aug. 25, 2013 GE [Member]	May 26, 2013 GE [Member]	Aug. 25, 2013 Remarketing Fee [Member]	Aug. 25, 2013 Annual Fees [Member]	Apr. 23, 2012 Apio [Member]	Aug. 25, 2013 Apio [Member]	May 26, 2013 Apio [Member]	Aug. 25, 2013 Apio [Member]	Aug. 25, 2013 Lifecore [Member] Amortization of Loan Origination Fees [Member]	Aug. 26, 2012 Lifecore [Member] Amortization of Loan Origination Fees [Member]	Aug. 25, 2013 Lifecore [Member]	Aug. 26, 2012 Lifecore [Member]	May 26, 2013 Lifecore [Member]	May 23, 2012 Term Loan [Member]	May 23, 2012 Working Capital Line of Credit [Member]	Aug. 25, 2013 Working Capital Line of Credit [Member]	May 23, 2012 Term Loan [Member]
Note 10 - Debt (Details) [Line Items]
Line of Credit Facility Term											5 years										1 year
Line of Credit Facility, Maximum Borrowing Capacity											$ 25,000,000										$ 8,000,000
Debt Instrument, Basis Spread on Variable Rate											2.00%										1.85%		2.00%
Line of Credit Facility, Remaining Borrowing Capacity												14,400,000										10,000,000
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage											0.375%
Line of Credit Facility, Amount Outstanding												1,100,000	4,000,000
Minimum Fixed Charge Coverage Ratio														1.10 to 1.0			1.10 to 1.0
Unamortized Loan Commitment and Origination Fees and Unamortized Discounts or Premiums							1,100,000	1,200,000									136,000		149,000
Interest Expense, Other					47,000	46,000									13,000	13,000
Number of Financing Agreements				2
Minimum Quick Ratio																	1.25 to 1.00	1.85%, with availability based on the combination of Lifecore's eligible accounts receivable and inventory balances (availability was $8.0 million at August 25, 2013) and with no unused fee (at August 25, 2013 and May 26, 2013, no amounts were outstanding under the line of credit) and (b) a $12.0
Long-term Debt	38,922,000		40,305,000																	12,000,000
Long Term Debt Contractual Maturity Term																							4 years
Debt Instrument, Periodic Payment, Principal																							250,000
Letters of Credit Outstanding, Amount				3,500,000
Minimum Tangible Net Worth		$ 29,000,000
Annual Re-Marketing Fee Percentage									0.125%
Annual Letter of Credit Fee Percentage										0.75%