Unaudited Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Aug. 31, 2019	Sep. 01, 2018
Operating activities:
Net income	$ 157	$ 431
Adjustments to reconcile net income to cash used in operating activities:
Depreciation and amortization	833	764
Inventory provisions	161	215
Loss on disposal of assets	1
Share-based compensation expense	188	165
Deferred income taxes	(48)	58
Change in assets and liabilities:
Accounts receivable	2,161	(198)
Inventories	(1,357)	77
Prepaid expenses and other assets	625	37
Accounts payable	(3,955)	(5,419)
Accrued liabilities	(876)	227
Other	56	13
Net cash used in operating activities	(2,054)	(3,630)
Investing activities:
Capital expenditures	(339)	(1,072)
Proceeds from maturity of investments	8,000
Purchases of investments		(2,300)
Net cash provided by (used in) investing activities	7,661	(3,372)
Financing activities:
Proceeds from issuance of common stock		192
Cash dividends paid	(775)	(764)
Payment of financing lease principal	(30)
Other	4
Net cash used in financing activities	(801)	(572)
Effect of exchange rate changes on cash and cash equivalents	(368)	(413)
Increase (decrease) in cash and cash equivalents	4,438	(7,987)
Cash and cash equivalents at beginning of period	42,019	60,465
Cash and cash equivalents at end of period	$ 46,457	$ 52,478