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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
$ in Thousands
 6 Months Ended
Oct. 29, 2023
Oct. 30, 2022
Cash flows from operating activities:    
Net loss $ (5,766) $ (17,872)
Adjustments to reconcile net loss to net cash (used in) provided by operating activities:    
Depreciation 3,251 3,489
Non-cash inventory (credits) charges (2,001) 6,439
Amortization 193 214
Stock-based compensation 485 565
Deferred income taxes (283) (269)
Gain sale of equipment (278) (232)
Non-cash restructuring expenses 379  
Foreign currency exchange gain (697) (1,168)
Changes in assets and liabilities:    
Accounts receivable 1,644 (443)
Inventories 2,304 7,192
Other current assets (1,355) (728)
Other assets (123) 58
Accounts payable – trade (495) 6,027
Deferred revenue (339) 1,007
Accrued restructuring costs   33
Accrued expenses and deferred compensation (762) 1,254
Income taxes (633) 601
Net cash (used in) provided by operating activities (4,476) 6,167
Cash flows from investing activities:    
Capital expenditures (1,972) (1,051)
Proceeds from the sale of equipment 309 465
Proceeds from note receivable 150  
Proceeds from the sale of investments (rabbi trust) 986 46
Purchase of investments (rabbi trust) (472) (505)
Net cash used in investing activities (999) (1,045)
Cash flows from financing activities:    
Common stock surrendered for withholding taxes payable (146) (33)
Payments of debt issuance costs   (206)
Net cash used in financing activities (146) (239)
Effect of exchange rate changes on cash and cash equivalents (129) (296)
(Decrease) increase in cash and cash equivalents (5,750) 4,587
Cash and cash equivalents at beginning of year 20,964 14,550
Cash and cash equivalents at end of period $ 15,214 $ 19,137