Audited Consolidated Statements of Comprehensive Loss - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Jun. 02, 2018	May 27, 2017	May 28, 2016
Net sales	$ 163,212	$ 136,872	$ 142,016
Cost of sales	108,130	92,989	97,181
Gross profit	55,082	43,883	44,835
Selling, general, and administrative expenses	51,729	49,854	51,632
Gain on disposal of business		(209)
Gain on disposal of assets	(276)		(244)
Operating income (loss)	3,629	(5,762)	(6,553)
Other (income) expense:
Investment/interest income	(432)	(234)	(562)
Foreign exchange loss	224	612	212
Other, net	(23)	(24)	17
Total other (income) expense	(231)	354	(333)
Income (loss) from continuing operations before income taxes	3,860	(6,116)	(6,220)
Income tax provision	1,534	812	546
Income (loss) from continuing operations	2,326	(6,928)	(6,766)
Income from discontinued operations	1,496
Net income (loss)	3,822	(6,928)	(6,766)
Foreign currency translation gain (loss), net of tax	1,580	90	(759)
Fair value adjustments on investments gain (loss)	(130)	54	(44)
Comprehensive income (loss)	$ 5,272	$ (6,784)	$ (7,569)
Common Class B [Member]
Other (income) expense:
Loss from continuing operations	$ 0.16	$ (0.49)	$ (0.47)
Loss from discontinued operations	0.11
Total loss per Common share - Basic:	0.27	(0.49)	(0.47)
Loss from continuing operations	0.16	(0.49)	(0.47)
Loss from discontinued operations	0.11
Total loss per common share - Diluted	$ 0.27	$ (0.49)	$ (0.47)
Weighted average number of shares:
Common shares - Basic	2,137	2,140	2,141
Common shares - Diluted	2,137	2,140	2,141
Dividends per share	$ 0.220	$ 0.220	$ 0.220
Common Stock [Member]
Other (income) expense:
Loss from continuing operations	0.18	(0.55)	(0.53)
Loss from discontinued operations	0.12
Total loss per Common share - Basic:	0.30	(0.55)	(0.53)
Loss from continuing operations	0.18	(0.55)	(0.53)
Loss from discontinued operations	0.12
Total loss per common share - Diluted	$ 0.30	$ (0.55)	$ (0.53)
Weighted average number of shares:
Common shares - Basic	10,765	10,705	10,908
Common shares - Diluted	10,824	10,705	10,908
Dividends per share	$ 0.240	$ 0.240	$ 0.240