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	(558)							(558)
Foreign currency translation	(554)								(554)
Share-based compensation:
Restricted stock	335						335
Stock options	192						192
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 ($0.180 and $0.060 per share)	(1,986)							(1,986)
Class B ($0.162 and $0.054 per share)	(340)							(340)
Ending Balance at Feb. 29, 2020	120,905			657			61,593	56,819	1,836
Ending Balance (in shares) at Feb. 29, 2020					11,038	2,097
Beginning Balance at Nov. 30, 2019	121,677			657			61,436	57,688	1,896
Beginning Balance (in shares) at Nov. 30, 2019					11,038	2,097
Comprehensive (loss) income
Net (loss) income	(93)							(93)
Foreign currency translation	(60)								(60)
Share-based compensation:
Restricted stock	121						121
Stock options	36						36
Dividends paid to:
Common ($0.180 and $0.060 per share)	(662)							(662)
Class B ($0.162 and $0.054 per share)	(114)							(114)
Ending Balance at Feb. 29, 2020	120,905			657			61,593	56,819	1,836
Ending Balance (in shares) at Feb. 29, 2020					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	(230)							(230)
Foreign currency translation	2,966								2,966
Share-based compensation:
Restricted stock	371						371
Stock options	158						158
Restricted stock issuance				4			(4)
Restricted stock issuance (in shares)					73
Dividends paid to:
Common ($0.180 and $0.060 per share)	(2,000)							(2,000)
Class B ($0.162 and $0.054 per share)	(340)							(340)
Ending Balance at Feb. 27, 2021	119,585			661			62,274	52,194	4,456
Ending Balance (in shares) at Feb. 27, 2021		11,111	2,097		11,111	2,097
Beginning Balance at Nov. 28, 2020	119,634			661			62,124	52,746	4,103
Beginning Balance (in shares) at Nov. 28, 2020					11,111	2,097
Comprehensive (loss) income
Net (loss) income	228							228
Foreign currency translation	353								353
Share-based compensation:
Restricted stock	112						112
Stock options	38						38
Dividends paid to:
Common ($0.180 and $0.060 per share)	(667)							(667)
Class B ($0.162 and $0.054 per share)	(113)							(113)
Ending Balance at Feb. 27, 2021	$ 119,585			$ 661			$ 62,274	$ 52,194	$ 4,456
Ending Balance (in shares) at Feb. 27, 2021		11,111	2,097		11,111	2,097