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Note 12 - Income Taxes - Components of Net Deferred Tax Assets (Details) - USD ($) $ in Thousands | May 01, 2021 | May 02, 2020
--- | --- | ---
Accrued warranty obligations | $ 6,293 | $ 6,202
Vacation accrual | 1,222 | 1,753
Deferred maintenance revenue | 398 | 987
Allowance for excess and obsolete inventory | 1,776 | 1,318
Legal reserve | 0 | 503
Equity compensation | 324 | 396
Allowance for doubtful accounts | 829 | 546
Inventory capitalization | 583 | 822
Accrued compensation and benefits | 1,707 | 539
Unrealized loss on foreign currency exchange | 85 | 0
Net operating loss carry forwards | 856 | 919
Research and development tax credit carry forwards | 516 | 1,975
Lease accounting - lease liability | 1,572 | 2,099
Other | 1,513 | 1,035
Total deferred tax assets | 17,674 | 19,094
Valuation allowance | (1,732) | (1,189)
Net deferred tax assets | 15,942 | 17,905
Property and equipment | (2,373) | (2,141)
Lease accounting - right of use asset | (1,580) | (2,103)
Prepaid expenses | (337) | (440)
Intangible assets | (69) | (317)
Unrealized gain on foreign currency exchange | 0 | (17)
Other | (49) | (68)
Total deferred tax liabilities | (4,408) | (5,086)
Net deferred tax asset | 11,534 | 12,819
Non-current assets | 11,944 | 13,271
Non-current liabilities | $ (410) | $ (452)

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