SELECTED QUARTERLY FINANCIAL DATA SELECTED QUARTERLY FINANCIAL DATA (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	May. 30, 2015	Feb. 28, 2015	Nov. 29, 2014	Aug. 30, 2014	May. 31, 2014	Mar. 01, 2014	Nov. 30, 2013	Aug. 31, 2013	May. 30, 2015	May. 31, 2014	Jun. 01, 2013
Quarterly Financial Information [Line Items]
Net sales	$ 34,946	$ 33,471	$ 33,841	$ 34,699	$ 35,383	$ 32,884	$ 35,436	$ 34,257	$ 136,957	$ 137,960	$ 141,066
Gross Profit	10,218	9,800	10,462	10,658	10,164	9,651	11,007	10,192	41,138	41,014	41,545
Income (Loss) from Continuing Operations Attributable to Parent	(2,103)	(2,198)	(1,144)	(83)	(2,843)	(112)	631	1,979	(5,528)	(345)	482
Income (loss) from discontinued operations, net of tax	(118)	0	87	0	368	(420)	(107)	(11)	(31)	(170)	766
Net income (loss)	$ (2,221)	$ (2,198)	$ (1,057)	$ (83)	$ (2,475)	$ (532)	$ 524	$ 1,968	$ (5,559)	$ (515)	$ 1,248
Common Stock
Income (Loss) from Continuing Operations, Including Portion Attributable to Noncontrolling Interest [Abstract]
Income (loss) from continuing operations	$ (0.16)	$ (0.16)	$ (0.08)	$ (0.01)	$ (0.21)	$ (0.01)	$ 0.05	$ 0.14	$ (0.41)	$ (0.03)	$ 0.03
Income (loss) from continuing operations	(0.16)	(0.16)	(0.08)	(0.01)	(0.21)	(0.01)	0.04	0.14	(0.41)	(0.03)	0.03
Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest [Abstract]
Income (loss) from discontinued operations	(0.01)	0.00	0.01	0.00	0.03	(0.03)	(0.01)	0.00	0.00	(0.01)	0.05
Income (loss) from discontinued operations	(0.01)	0.00	0.01	0.00	0.03	(0.03)	(0.01)	0.00	0.00	(0.01)	0.05
Earnings Per Share, Basic [Abstract]
Earnings Per Share, Basic	(0.17)	(0.16)	(0.07)	(0.01)	(0.18)	(0.04)	0.04	0.14	(0.41)	(0.04)	0.08
Earnings Per Share, Diluted	(0.17)	(0.16)	(0.07)	(0.01)	(0.18)	(0.04)	0.03	0.14	(0.41)	(0.04)	0.08
Class B Common Stock
Income (Loss) from Continuing Operations, Including Portion Attributable to Noncontrolling Interest [Abstract]
Income (loss) from continuing operations	(0.13)	(0.15)	(0.07)	(0.01)	(0.19)	(0.01)	0.04	0.13	(0.36)	(0.02)	0.03
Income (loss) from continuing operations	(0.13)	(0.15)	(0.07)	(0.01)	(0.19)	(0.01)	0.04	0.13	(0.36)	(0.02)	0.03
Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest [Abstract]
Income (loss) from discontinued operations	(0.01)	0.00	0.01	0.00	0.02	(0.03)	(0.01)	0.00	0.00	(0.01)	0.05
Income (loss) from discontinued operations	(0.01)	0.00	0.01	0.00	0.02	(0.03)	(0.01)	0.00	0.00	(0.01)	0.05
Earnings Per Share, Basic [Abstract]
Earnings Per Share, Basic	(0.14)	(0.15)	(0.06)	(0.01)	(0.17)	(0.04)	0.03	0.13	(0.36)	(0.03)	0.08
Earnings Per Share, Diluted	$ (0.14)	$ (0.15)	$ (0.06)	$ (0.01)	$ (0.17)	$ (0.04)	$ 0.03	$ 0.13	$ (0.36)	$ (0.03)	$ 0.08