Unaudited Consolidated Statements of Comprehensive Loss - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Nov. 30, 2019	Dec. 01, 2018	Nov. 30, 2019	Dec. 01, 2018
Net sales	$ 39,634	$ 41,314	$ 80,287	$ 85,471
Cost of sales	26,954	28,343	54,656	58,547
Gross profit	12,680	12,971	25,631	26,924
Selling, general and administrative expenses	13,161	13,425	26,008	26,524
Loss on disposal of assets			1
Operating (loss) income	(481)	(454)	(378)	400
Other expense (income):
Investment/interest income	(123)	(121)	(243)	(247)
Foreign exchange loss (gain)	199	(211)	89	75
Other, net	(15)	4	(16)	(4)
Total other expense (income)	61	(328)	(170)	(176)
(Loss) income before income taxes	(542)	(126)	(208)	576
Income tax provision	80	178	257	449
Net (loss) income	(622)	(304)	(465)	127
Foreign currency translation gain (loss), net of tax	222	(1,041)	(494)	(1,781)
Comprehensive loss	$ (400)	$ (1,345)	$ (959)	$ (1,654)
Weighted average number of shares:
Common shares - Diluted	13,135	13,049	13,111	13,167
Common Class B
Net (loss) income per share
Common shares - Basic	$ (0.04)	$ (0.02)	$ (0.03)	$ 0.01
Common shares - Diluted	$ (0.04)	$ (0.02)	$ (0.03)	$ 0.01
Weighted average number of shares:
Common shares - Basic	2,097	2,097	2,097	2,114
Common shares - Diluted	2,097	2,097	2,097	2,114
Dividends per share	$ 0.054	$ 0.054	$ 0.108	$ 0.108
Common Stock
Net (loss) income per share
Common shares - Basic	(0.05)	(0.02)	(0.04)	0.01
Common shares - Diluted	$ (0.05)	$ (0.02)	$ (0.04)	$ 0.01
Weighted average number of shares:
Common shares - Basic	11,038	10,952	11,014	10,890
Common shares - Diluted	11,038	10,952	11,014	11,053
Dividends per share	$ 0.060	$ 0.060	$ 0.120	$ 0.120