Note 14 - Business Segment Reporting (Tables)

6 Months Ended

Nov. 25, 2012

Schedule Of Segment Reporting Information Geographic location [Table Text Block]

	Three Months Ended				Six Months Ended
	November 25, 2012		November 27, 2011		November 25, 2012		November 27, 2011
Taiwan	$	12.9	$	9.6	$	25.8	$	19.0
Indonesia	$	7.4	$	6.4	$	13.5	$	13.9
Canada	$	6.1	$	4.9	$	12.3	$	9.9
Japan	$	2.8	$	3.8	$	5.9	$	6.2
Belgium	$	1.6	$	6.3	$	4.6	$	8.1
All Other Countries	$	7.4	$	5.7	$	12.5	$	9.7

Schedule of Segment Reporting Information, by Segment [Table Text Block]

Three Months Ended Nov. 25, 2012	Food Products Technology		Food Export		HA-based Biomaterials		Corporate			TOTAL
Net sales	$	78,593	$	28,115	$	7,739	$	207		$	114,654
International sales	$	5,959	$	28,055	$	4,222	$	—		$	38,236
Gross profit	$	13,102	$	2,034	$	3,116	$	207		$	18,459
Net income (loss)	$	9,212	$	866	$	338	$	(1,503	)	$	8,913
Depreciation and amortization	$	1,174	$	1	$	592	$	38		$	1,805
Dividend Income	$	281	$	—	$	—		—		$	281
Interest income	$	7	$	—	$	26	$	—		$	33
Interest expense	$	427	$	—	$	71	$	—		$	498
Income tax expense	$	1,761	$	288	$	113	$	758		$	2,920
Three Months Ended Nov. 27, 2011
Net sales	$	46,693	$	24,229	$	9,235	$	1,413		$	81,570
International sales	$	4,640	$	24,150	$	7,884	$	—		$	36,674
Gross profit	$	4,531	$	1,802	$	5,264	$	1,413		$	13,010
Net income (loss)	$	2,637	$	1,093	$	2,838	$	(3,228	)	$	3,340
Depreciation and amortization	$	771	$	2	$	555	$	46		$	1,374
Dividend Income	$	281	$	—	$	—	$	—		$	281
Interest income	$	22	$	—	$	58	$	1		$	81
Interest expense	$	—	$	—	$	163	$	—		$	163
Income tax expense	$	—	$	—	$	—	$	2,049		$	2,049
Six Months Ended Nov. 25, 2012
Net sales	$	147,224	$	53,473	$	15,712	$	319		$	216,728
International sales	$	12,182	$	53,366	$	9,024	$	—		$	74,572
Gross profit	$	23,044	$	3,377	$	5,482	$	319		$	32,222
Net income (loss)	$	15,128	$	1,175	$	26	$	(3,050	)	$	13,279
Depreciation and amortization	$	2,410	$	2	$	1,175	$	74		$	3,661
Dividend Income	$	563	$	—	$	—		—		$	563
Interest income	$	8	$	—	$	50	$	—		$	58
Interest expense	$	882	$	—	$	157	$	—		$	1,039
Income tax expense	$	3,733	$	391	$	9	$	1,351		$	5,484
Six Months Ended Nov. 27, 2011
Net sales	$	90,056	$	45,584	$	16,356	$	2,875		$	154,871
International sales	$	9,711	$	45,460	$	11,650	$	—		$	66,821
Gross profit	$	10,590	$	2,816	$	7,979	$	2,875		$	24,260
Net income (loss)	$	5,995	$	1,390	$	3,300	$	(5,533	)	$	5,152
Depreciation and amortization	$	1,551	$	4	$	1,083	$	91		$	2,729
Dividend Income	$	563	$	—	$	—	$	—		$	563
Interest income	$	30	$	—	$	105	$	22		$	157
Interest expense	$	—	$	—	$	340	$	—		$	340
Income tax expense	$	—	$	—	$	―	$	3,159		$	3,159