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Note 12 - Income Taxes - Effective Income Tax (Details) - USD ($)
$ in Thousands
12 Months Ended
May 01, 2021
May 02, 2020
Apr. 27, 2019
Computed income tax expense (benefit) at federal statutory rates $ 2,953 $ (2) $ (1,038)
Change in uncertain tax positions (34) 4 (2,600)
Research and development tax credit (1,047) (1,621) (1,278)
Other, net 403 (241) 587
Change in valuation allowances 402 482 (471)
GILTI (156) 149 391
Base Erosion Anti-Abuse Tax (BEAT) (285) 301 0
Stock compensation 355 318 308
Meals and entertainment 49 305 248
Dividends paid to retirement plan 0 (111) (158)
State taxes, net of federal benefit 494 (84) 25
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount $ 3,134 $ (500) $ (3,986)