Unaudited Consolidated Statement of Stockholders' Equity - USD ($) shares in Thousands, $ in Thousands	Total	Common	Common Class B	Common Stock	Common Stock Common	Common Stock Common Class B	Additional Paid-In Capital	Retained Earnings	Accumulated Other Comprehensive Income
Beginning Balance at Jun. 01, 2019	$ 123,757			$ 652			$ 61,012	$ 59,703	$ 2,390
Beginning Balance (in shares) at Jun. 01, 2019					10,957	2,097
Comprehensive (loss) income
Net (loss) income	(465)							(465)
Foreign currency translation	(494)								(494)
Share-based compensation:
Restricted stock	214						214
Stock options	156						156
Options exercised	59			1			58
Options exercised (in shares)					10
Restricted stock issuance				4			(4)
Restricted stock issuance (in shares)					71
Dividends paid to:
Common ($0.120 and $0.060 per share)	(1,324)							(1,324)
Class B ($0.108 and $0.054 per share)	(226)							(226)
Ending Balance at Nov. 30, 2019	121,677			657			61,436	57,688	1,896
Ending Balance (in shares) at Nov. 30, 2019					11,038	2,097
Beginning Balance at Aug. 31, 2019	122,615			656			61,200	59,085	1,674
Beginning Balance (in shares) at Aug. 31, 2019					11,029	2,097
Comprehensive (loss) income
Net (loss) income	(622)							(622)
Foreign currency translation	222								222
Share-based compensation:
Restricted stock	115						115
Stock options	67						67
Options exercised	59			1			58
Options exercised (in shares)					10
Restricted stock issuance	(4)						(4)
Restricted stock issuance (in shares)					(1)
Dividends paid to:
Common ($0.120 and $0.060 per share)	(662)							(662)
Class B ($0.108 and $0.054 per share)	(113)							(113)
Ending Balance at Nov. 30, 2019	121,677			657			61,436	57,688	1,896
Ending Balance (in shares) at Nov. 30, 2019					11,038	2,097
Beginning Balance at May. 30, 2020	118,660			657			61,749	54,764	1,490
Beginning Balance (in shares) at May. 30, 2020		11,038	2,097		11,038	2,097
Comprehensive (loss) income
Net (loss) income	(458)							(458)
Foreign currency translation	2,613								2,613
Share-based compensation:
Restricted stock	259						259
Stock options	120						120
Restricted stock issuance				4			(4)
Restricted stock issuance (in shares)					73
Dividends paid to:
Common ($0.120 and $0.060 per share)	(1,333)							(1,333)
Class B ($0.108 and $0.054 per share)	(227)							(227)
Ending Balance at Nov. 28, 2020	119,634			661			62,124	52,746	4,103
Ending Balance (in shares) at Nov. 28, 2020		11,111	2,097		11,111	2,097
Beginning Balance at Aug. 29, 2020	119,070			661			61,946	52,837	3,626
Beginning Balance (in shares) at Aug. 29, 2020					11,111	2,097
Comprehensive (loss) income
Net (loss) income	689							689
Foreign currency translation	477								477
Share-based compensation:
Restricted stock	128						128
Stock options	50						50
Dividends paid to:
Common ($0.120 and $0.060 per share)	(666)							(666)
Class B ($0.108 and $0.054 per share)	(114)							(114)
Ending Balance at Nov. 28, 2020	$ 119,634			$ 661			$ 62,124	$ 52,746	$ 4,103
Ending Balance (in shares) at Nov. 28, 2020		11,111	2,097		11,111	2,097