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Note 7 - Intangible Assets (Tables)

12 Months Ended

May 26, 2013

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill [Table Text Block]

			Food Products Technology				Corporate				Hyaluronan- based Biomaterials				Total

Balance as of May 30, 2010			$	22,581			$	4,780			$	13,793			$	41,154
Goodwill acquired/reclassified during the period				—				—				88				88
Goodwill impaired during the period				—				(4,780	)			—				(4,780	)
Balance as of May 29, 2011				22,581				—				13,881				36,462
Goodwill acquired during the period				13,158				—				—				13,158
Balance as of May 27, 2012				35,739				—				13,881				49,620
Goodwill acquired during the period				—				—				—				—
Balance as of May 26, 2013			$	35,739			$	—			$	13,881			$	49,620

Schedule of Finite-Lived Intangible Assets [Table Text Block]

			Trademarks & Trade names				Customer Relationships				Total
Balance as of May 30, 2010				12,428				3,674				16,102
Amortization expense				—				(308	)			(308	)
Balance as of May 29, 2011				12,428				3,366				15,794
Acquired during the period				36,000				7,500				43,500
Amortization expense				—				(309	)			(309	)
Balance as of May 27, 2012				48,428				10,557				58,985
Amortization expense				—				(951	)			(951	)
Balance as of May 26, 2013			$	48,428			$	9,606			$	58,034

- Definition

Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule.

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