Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Aug. 28, 2016	Aug. 30, 2015
Cash flows from operating activities:
Consolidated net income	$ 3,345	$ 2,988
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation and amortization	2,550	2,211
Stock-based compensation expense	807	797
Deferred taxes	1,727	509
Change in investment in non-public company, fair value		(800)
Net gain on disposal of property and equipment	(4)	(3)
Changes in current assets and current liabilities:
Accounts receivable, net	2,256	1,959
Inventories, net	(4,647)	(3,396)
Prepaid expenses and other current assets	(347)	270
Accounts payable	709	(3,063)
Accrued compensation	(1,415)	(2,829)
Other accrued liabilities	1,612	(419)
Deferred revenue, net	(126)	11
Net cash provided by (used in) operating activities	6,467	(1,765)
Cash flows from investing activities:
Purchases of property and equipment	(2,131)	(3,487)
Proceeds from sales of fixed assets	9	91
Net cash used in investing activities	(2,122)	(3,396)
Cash flows from financing activities:
Proceeds from sale of common stock	98	41
Taxes paid by Company for stock swaps and RSUs	(272)
Payments on long-term debt	(1,909)	(1,916)
Payments on line of credit	(3,500)
Change in other assets	(30)	12
Net cash used in financing activities	(5,613)	(1,863)
Net decrease in cash and cash equivalents	(1,268)	(7,024)
Cash and cash equivalents at beginning of period	9,894	14,127
Cash and cash equivalents at end of period	$ 8,626	$ 7,103