Unaudited Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Aug. 29, 2020	Aug. 31, 2019
Operating activities:
Net (loss) income	$ (1,147)	$ 157
Adjustments to reconcile net (loss) income to cash used in operating activities:
Depreciation and amortization	873	833
Inventory provisions	237	161
Loss on disposal of assets		1
Share-based compensation expense	201	188
Deferred income taxes	2	(48)
Change in assets and liabilities:
Accounts receivable	(854)	2,161
Inventories	(1,621)	(1,357)
Prepaid expenses and other assets	109	625
Accounts payable	(2,734)	(3,955)
Accrued liabilities	1,779	(876)
Other	(202)	56
Net cash used in operating activities	(3,357)	(2,054)
Investing activities:
Capital expenditures	(718)	(339)
Proceeds from maturity of investments	16,000	8,000
Purchases of investments	(9,000)
Net cash provided by investing activities	6,282	7,661
Financing activities:
Cash dividends paid	(780)	(775)
Payment of financing lease principal	(45)	(30)
Other		4
Net cash used in financing activities	(825)	(801)
Effect of exchange rate changes on cash and cash equivalents	860	(368)
Increase in cash and cash equivalents	2,960	4,438
Cash and cash equivalents at beginning of period	30,535	42,019
Cash and cash equivalents at end of period	$ 33,495	$ 46,457