CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Apr. 28, 2024	Apr. 30, 2023	May 01, 2022
cash flows from operating activities:
net loss	$ (13,819)	$ (31,520)	$ (3,211)
adjustments to reconcile net loss income to net cash (used in) provided by operating activities
depreciation	6,521	6,845	6,994
non-cash inventory (credit) charges	(1,628)	5,819	1,927
amortization	390	438	559
stock-based compensation	915	1,145	1,133
deferred income taxes	387	(2)	691
gain on sale of property, plant, and equipment	(299)	(314)
non-cash restructuring expense	330	791
realized loss from the sale of investments	0		450
foreign currency exchange (gain) loss	(593)	(537)	16
changes in assets and liabilities:
accounts receivable	3,559	(2,642)	15,416
inventories	1,593	15,370	(12,714)
other current assets	(329)	(297)	946
other assets	(115)	86	(1,386)
accounts payable-trade	(2,926)	10,274	(22,131)
accrued expenses and deferred compensation	(1,870)	853	(5,204)
deferred revenue	303	672	(20)
income taxes	(643)	823	(907)
net cash (used in) provided by operating activities	(8,224)	7,804	(17,441)
cash flows from investing activities:
capital expenditures	(3,711)	(2,108)	(5,695)
proceeds from the sale of property, plant, and equipment	385	468
proceeds from note receivable	330	15
proceeds from the sale of short-term investments (available for sale)			9,879
proceeds from the sale and maturity of investments (held to maturity)			13,486
purchase of short-term investments (available for sale)			(4,391)
purchase of investments (held-to-maturity)			(9,751)
proceeds from the sale of investments (rabbi trust)	1,449	2,058	56
purchase of investments (rabbi trust)	(884)	(1,185)	(1,088)
net cash (used in) provided by investing activities	(2,431)	(752)	2,496
cash flows from financing activities:
proceeds from lines of credit	4,166		9,000
payments associated with lines of credit	(4,146)		(9,000)
dividends paid			(5,511)
repurchases of common stock			(1,752)
common stock surrendered for payroll withholding taxes	(146)	(33)	(50)
payments for debt issuance costs	0	(403)	(110)
net cash used in financing activities	(126)	(436)	(7,423)
effect of exchange rate changes on cash and cash equivalents	(171)	(202)	(91)
(decrease) increase in cash and cash equivalents	(10,952)	6,414	(22,459)
cash and cash equivalents at beginning of year	20,964	14,550	37,009
cash and cash equivalents at end of year	$ 10,012	$ 20,964	$ 14,550