Note 11 - Business Segment Reporting (Tables)

6 Months Ended

Nov. 30, 2014

Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area [Table Text Block]

	Three Months Ended				Six Months Ended
	November 30,		November 24,		November 30,		November 24,
	2014		2013		2014		2013
Canada	$	17.5	$	10.2	$	35.2	$	19.6
Taiwan	$	9.4	$	12.6	$	25.6	$	24.6
China	$	2.9	$	3.7	$	7.3	$	5.3
Indonesia	$	4.9	$	2.4	$	6.5	$	4.9
Japan	$	2.3	$	2.1	$	5.1	$	5.3
Belgium	$	—	$	0.8	$	—	$	2.0
All Other Countries	$	4.6	$	4.9	$	8.3	$	10.2

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

Three Months Ended Nov. 30, 2014	Food Products Technology		Food Export		HA-based Biomaterials			Corporate			TOTAL
Net sales	$	102,079	$	22,106	$	8,318		$	162		$	132,665
International sales	$	17,760	$	22,106	$	1,734		$	—		$	41,600
Gross profit	$	11,151	$	1,550	$	2,804		$	161		$	15,666
Net income (loss)	$	3,644	$	582	$	(12	)	$	(991	)	$	3,223
Depreciation and amortization	$	1,237	$	1	$	561		$	31		$	1,830
Dividend income	$	321	$	—	$	—		$	—		$	321
Interest income	$	15	$	—	$	67		$	9		$	91
Interest expense	$	425	$	—	$	47		$	—		$	472
Income tax expense	$	440	$	95	$	(2	)	$	1,252		$	1,785

Three Months Ended Nov. 24, 2013
Net sales	$	88,090	$	23,031	$	8,777		$	128		$	120,026
International sales	$	10,345	$	22,940	$	3,366		$	—		$	36,651
Gross profit	$	8,220	$	1,820	$	3,625		$	69		$	13,734
Net income (loss)	$	2,005	$	727	$	611		$	108		$	3,451
Depreciation and amortization	$	1,304	$	1	$	604		$	36		$	1,945
Dividend income	$	281	$	—	$	—		$	—		$	281
Interest income	$	2	$	—	$	44		$	—		$	46
Interest expense	$	356	$	—	$	80		$	—		$	436
Income tax expense	$	1,461	$	205	$	172		$	36		$	1,874

Six Months Ended Nov. 30, 2014
Net sales	$	202,185	$	48,703	$	15,129		$	262		$	266,279
International sales	$	35,911	$	48,693	$	3,368		$	—		$	87,972
Gross profit	$	23,005	$	2,736	$	3,852		$	261		$	29,854
Net income (loss)	$	7,290	$	853	$	(1,554	)	$	(1,013	)	$	5,576
Depreciation and amortization	$	2,247	$	2	$	1,032		$	62		$	3,343
Dividend income	$	602	$	—	$	—		$	—		$	602
Interest income	$	26	$	—	$	138		$	20		$	184
Interest expense	$	763	$	—	$	92		$	—		$	855
Income tax expense	$	1,310	$	139	$	(253	)	$	1,890		$	3,086

Six Months Ended Nov. 24, 2013
Net sales	$	167,526	$	44,430	$	17,363		$	186		$	229,505
International sales	$	19,823	$	44,329	$	7,743		$	—		$	71,895
Gross profit	$	17,101	$	3,025	$	6,013		$	127		$	26,266
Net income (loss)	$	9,271	$	1,003	$	235		$	(2,306	)	$	8,203
Depreciation and amortization	$	2,526	$	2	$	1,188		$	71		$	3,787
Dividend income	$	563	$	—	$	—		$	—		$	563
Interest income	$	5	$	—	$	100		$	—		$	105
Interest expense	$	732	$	—	$	135		$	—		$	867
Income tax expense	$	1,966	$	283	$	66		$	2,034		$	4,349

- Definition

Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss.

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