Unaudited Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 02, 2019	Mar. 03, 2018	Mar. 02, 2019	Mar. 03, 2018
Operating activities:
Net (loss) income	$ (1,078)	$ 527	$ (951)	$ 2,083
Adjustments to reconcile net (loss) income to cash (used in) provided by operating activities:
Depreciation and amortization	794	752	2,350	2,219
Inventory provisions	203	183	568	470
Gain on sale of investments		159		183
Loss (gain) on disposal of assets		(3)		188
Share-based compensation expense	176	116	571	425
Deferred income taxes	113	124	268	186
Change in assets and liabilities:
Accounts receivable	(478)	(551)	(576)	(239)
Inventories	(1,484)	(598)	(3,315)	(5,232)
Prepaid expenses and other assets	614	43	332	(572)
Accounts payable	(1,561)	552	(5,442)	(446)
Accrued liabilities	309	1,116	880	1,325
Other	(86)	(137)	88	(140)
Net cash (used in) provided by operating activities	(2,478)	1,971	(5,227)	(292)
Investing activities:
Capital expenditures	(974)	(1,461)	(3,166)	(4,196)
Proceeds from sale of assets				276
Proceeds from maturity of investments	2,300	3,943	2,300	12,120
Purchases of investments	(12,500)		(17,800)	(3,943)
Proceeds from sales of available-for-sale securities		648		913
Purchases of available-for-sale securities				(265)
Other		(2)		(7)
Net cash (used in) provided by investing activities	(11,174)	3,128	(18,666)	4,898
Financing activities:
Proceeds from issuance of common stock	16	44	219	44
Cash dividends paid	(771)	(763)	(2,305)	(2,284)
Net cash used in financing activities	(755)	(719)	(2,086)	(2,240)
Effect of exchange rate changes on cash and cash equivalents	417	1,049	(617)	2,189
(Decrease) increase in cash and cash equivalents	(13,990)	5,429	(26,596)	4,555
Cash and cash equivalents at beginning of period	47,859	54,453	60,465	55,327
Cash and cash equivalents at end of period	$ 33,869	$ 59,882	$ 33,869	$ 59,882