Note 1 - Organization, Basis of Presentation, and Summary of Significant Accounting Policies (Details) (USD $)	12 Months Ended					12 Months Ended			6 Months Ended	9 Months Ended	12 Months Ended						6 Months Ended		9 Months Ended	12 Months Ended		6 Months Ended	12 Months Ended				12 Months Ended						12 Months Ended												6 Months Ended	12 Months Ended			12 Months Ended
	May 25, 2014	May 26, 2013	May 27, 2012	May 30, 2010	May 29, 2011	May 25, 2014 Beachside Produce LLC [Member]	May 26, 2013 Beachside Produce LLC [Member]	May 27, 2012 Beachside Produce LLC [Member]	May 25, 2014 Building [Member]	Nov. 24, 2013 Building [Member]	May 25, 2014 Building [Member] Minimum [Member]	May 25, 2014 Building [Member] Maximum [Member]	May 25, 2014 Leasehold Improvements [Member] Minimum [Member]	May 25, 2014 Leasehold Improvements [Member] Maximum [Member]	May 25, 2014 Software Development [Member] Minimum [Member]	May 25, 2014 Software Development [Member] Maximum [Member]	May 25, 2014 Machinery and Equipment [Member] Depreciable Assets [Member] (Deprecated 2014-01-31)	May 25, 2014 Machinery and Equipment [Member]	Nov. 24, 2013 Machinery and Equipment [Member]	May 25, 2014 Ophthalmic [Member] HA-based Biomaterials [Member] Sales Revenue, Goods, Net [Member] Product Concentration Risk [Member]	May 25, 2014 Orthopedic [Member] HA-based Biomaterials [Member] Sales Revenue, Goods, Net [Member] Product Concentration Risk [Member]	Nov. 24, 2013 HA-based Biomaterials [Member]	May 25, 2014 HA-based Biomaterials [Member]	May 26, 2013 HA-based Biomaterials [Member]	May 27, 2012 HA-based Biomaterials [Member]	May 29, 2011 HA-based Biomaterials [Member]	May 25, 2014 Food Products Technology [Member]	May 26, 2013 Food Products Technology [Member]	May 27, 2012 Food Products Technology [Member]	May 29, 2011 Food Products Technology [Member]	May 25, 2014 Short Term [Member]	May 26, 2013 Short Term [Member]	May 25, 2014 Customer Relationships [Member] Minimum [Member]	May 25, 2014 Customer Relationships [Member] Maximum [Member]	May 25, 2014 Costco Wholesale Corporation [Member] Sales Revenue, Goods, Net [Member] Customer Concentration Risk [Member]	May 26, 2013 Costco Wholesale Corporation [Member] Sales Revenue, Goods, Net [Member] Customer Concentration Risk [Member]	May 25, 2014 Costco Wholesale Corporation [Member] Accounts Receivable [Member] Customer Concentration Risk [Member]	May 26, 2013 Costco Wholesale Corporation [Member] Accounts Receivable [Member] Customer Concentration Risk [Member]	May 25, 2014 Wal-mart, Inc. [Member] Sales Revenue, Goods, Net [Member] Customer Concentration Risk [Member]	May 26, 2013 Wal-mart, Inc. [Member] Sales Revenue, Goods, Net [Member] Customer Concentration Risk [Member]	May 25, 2014 Wal-mart, Inc. [Member] Accounts Receivable [Member] Customer Concentration Risk [Member]	May 26, 2013 Wal-mart, Inc. [Member] Accounts Receivable [Member] Customer Concentration Risk [Member]	May 25, 2014 International Customers [Member] Sales Revenue, Goods, Net [Member] Geographic Concentration Risk [Member]	May 26, 2013 International Customers [Member] Sales Revenue, Goods, Net [Member] Geographic Concentration Risk [Member]	May 25, 2014 Depreciable Assets [Member] (Deprecated 2014-01-31)	May 25, 2014 Sales Revenue, Goods, Net [Member] Customer Concentration Risk [Member]	May 26, 2013 Sales Revenue, Goods, Net [Member] Customer Concentration Risk [Member]	May 25, 2014 Apio Cooling, LP [Member] Apio, Inc [Member]	May 25, 2014 Fiscal 2013 [Member]	May 25, 2014 Fiscal 2012 [Member]	May 25, 2014 Minimum [Member]	May 25, 2014 Maximum [Member]
Note 1 - Organization, Basis of Presentation, and Summary of Significant Accounting Policies (Details) [Line Items]
Number of Proprietary Platforms	2
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners	20.10%
Concentration Risk, Percentage																				60.00%	20.00%														21.00%	16.00%	16.00%	15.00%	11.00%	13.00%	12.00%	15.00%	29.00%	30.00%		42.00%	40.00%
Investment Ownership Percentage																																																60.00%
Number of Product Segments																							3
Certificates of Deposit, at Carrying Value	$ 0	$ 701,000
Marketable Securities Contractual Maturity																																																			1 year	2 years
Marketable Securities	0	251,000																													0	1,300,000
Proceeds from Sale and Maturity of Marketable Securities	0	0
Advertising Expense		445,000	406,000																																																	447,000
Revenue from Related Parties						365,000	2,500,000	3,800,000
Prior Period Reclassification Adjustment																																																	2,100,000	3,100,000
Accounts Receivable, Related Parties	304,000	316,000
Related Party Costs	1,600,000	6,700,000	5,600,000
Accounts Payable, Related Parties	134,000	225,000
Property, Plant and Equipment, Useful Life									35 years	29 years	3 years	40 years	3 years	20 years	3 years	7 years		11 years	7 years
Capitalized Computer Software, Additions	913,000	0	0
New Accounting Pronouncement or Change in Accounting Principle Effect of Change on Depreciation Expense																																													876,000
New Accounting Pronouncement or Change in Accounting Principle, Effect of Change on Net Income																	564,000
New Accounting Pronouncement or Change in Accounting Principle, Effect of Change on Basic Earnings Per Share (in Dollars per share)																	$ 0.02
Finite-Lived Intangible Asset, Useful Life																																	12 years	13 years
Goodwill	49,620,000	49,620,000	49,620,000		36,462,000																		13,881,000	13,881,000	13,881,000	13,881,000	35,739,000	35,739,000	35,739,000	22,581,000
Fair Value Assumptions, Expected Term																							5 years				5 years
Effective Income Tax Rate Reconciliation, Percent	36.00%	30.00%	36.00%																				36.00%				36.00%
Percentage of Estimated Fair Value Exceeds Net Book Value																							176.00%				136.00%
Projected Cash Flow																							6,300,000				10,100,000
Cash, Period Increase (Decrease)																							10,200,000				10,500,000
Difference Between Projected Cash Flow and Actual Cash Flow																						3,900,000
Cost-method Investments, Realized Losses				1,000,000
Cost Method Investments	793,000	793,000
Deferred Revenue	1,300,000	1,200,000
Stockholders' Equity Attributable to Noncontrolling Interest	1,692,000	1,721,000
Deferred Tax Assets, Valuation Allowance	$ 881,000	$ 783,000
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in Shares)	333,993	88,022	1,855,167
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price (in Dollars per share)	$ 14.15	$ 12.80	$ 6.72
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value (in Dollars per share)	$ 4.41	$ 3.57	$ 2.65