Unaudited Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Sep. 02, 2017	Aug. 27, 2016
Operating activities:
Net loss	$ (112)	$ (2,850)
Adjustments to reconcile net loss to cash used in operating activities:
Depreciation and amortization	732	715
Inventory provisions	162	43
Gain on sale of investments	(25)	(2)
Gain on disposal of assets	(191)
Share-based compensation expense	101	103
Deferred income taxes	(4)	(158)
Change in assets and liabilities:
Accounts receivable	2,047	3,555
Income tax receivable		(13)
Inventories	(2,613)	368
Prepaid expenses and other assets	(258)	41
Accounts payable	(2,755)	(2,338)
Accrued liabilities	726	(1,144)
Other	(267)	5
Net cash used in operating activities	(2,457)	(1,675)
Investing activities:
Capital expenditures	(1,015)	(2,064)
Proceeds from sales of assets	276
Proceeds from maturity of investments	4,000	1,465
Proceeds from sales of available-for-sale securities	151	88
Purchases of available-for-sale securities	(151)	(88)
Other	(3)	(3)
Net cash provided by (used in) investing activities	3,258	(602)
Financing activities:
Cash dividends paid	(758)	(758)
Net cash used in financing activities	(758)	(758)
Effect of exchange rate changes on cash and cash equivalents	1,059	69
Increase (decrease) in cash and cash equivalents	1,102	(2,966)
Cash and cash equivalents at beginning of period	55,327	60,454
Cash and cash equivalents at end of period	$ 56,429	$ 57,488