Unaudited Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Sep. 01, 2018	Sep. 02, 2017
Operating activities:
Net income (loss)	$ 431	$ (112)
Adjustments to reconcile net income (loss) to cash used in operating activities:
Depreciation and amortization	764	732
Inventory provisions	215	162
Gain on sale of investments		(25)
Gain on disposal of assets		(191)
Share-based compensation expense	165	101
Deferred income taxes	58	(4)
Change in assets and liabilities:
Accounts receivable	(198)	2,047
Inventories	77	(2,613)
Prepaid expenses and other assets	37	(258)
Accounts payable	(5,419)	(2,755)
Accrued liabilities	227	726
Other	13	(267)
Net cash used in operating activities	(3,630)	(2,457)
Investing activities:
Capital expenditures	(1,072)	(1,015)
Proceeds from sale of assets		276
Proceeds from maturity of investments		4,000
Purchases of investments	(2,300)
Proceeds from sales of available-for-sale securities		151
Purchases of available-for-sale securities		(151)
Other		(3)
Net cash (used in) provided by investing activities	(3,372)	3,258
Financing activities:
Proceeds from issuance of common stock	192
Cash dividends paid	(764)	(758)
Net cash used in financing activities	(572)	(758)
Effect of exchange rate changes on cash and cash equivalents	(413)	1,059
(Decrease) increase in cash and cash equivalents	(7,987)	1,102
Cash and cash equivalents at beginning of period	60,465	55,327
Cash and cash equivalents at end of period	$ 52,478	$ 56,429