Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Jun. 01, 2019	Jun. 02, 2018
Deferred tax assets:
NOL carryforwards - foreign and domestic	$ 7,458	$ 7,883
Inventory valuations	1,179	978
Goodwill	1,578	294
Foreign tax credits	1,782	465
Severance reserve	188	119
Foreign capital loss	1,129	1,143
Other	1,737	1,632
Subtotal	15,051	12,514
Valuation allowance - foreign and domestic	(11,706)	(9,148)
Net deferred tax assets after valuation allowance	3,345	3,366
Deferred tax liabilities:
Accelerated depreciation	(2,908)	(2,474)
Tax on undistributed earnings	(141)	(274)
Other	21	28
Subtotal	(3,028)	(2,720)
Net deferred tax assets	317	646
Supplemental disclosure of net deferred tax assets, excluding valuation allowance:
Deferred tax assets - domestic	10,194	7,394
Deferred tax assets - Foreign	1,829	2,401
Total	$ 12,023	$ 9,795