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Note 12 - Income Taxes (Tables)
12 Months Ended
May 01, 2021
Notes Tables  
Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block]
  

Year Ended

 
  May 1, 2021  May 2, 2020  April 27, 2019 

Domestic

 $10,413  $(4,187) $(8,402)

Foreign

  3,647   4,178   3,458 

Income (loss) before income taxes

 $14,060  $(9) $(4,944)
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]
  

Year Ended

 
  May 1, 2021  May 2, 2020  April 27, 2019 

Current:

            

Federal

 $507  $625  $(2,142)

State

  422   297   384 

Foreign

  891   761   1,151 

Deferred:

            

Federal

  1,216   (2,028)  (2,725)

State

  59   (321)  (390)

Foreign

  39   166   (264)
  $3,134  $(500) $(3,986)
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]
  

Year Ended

 
  May 1, 2021  May 2, 2020  April 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    

Stock compensation

  355   318   308 

Meals and entertainment

  49   305   248 

Dividends paid to retirement plan

     (111)  (158)

State taxes, net of federal benefit

  494   (84)  25 
  $3,134  $(500) $(3,986)
Schedule of Deferred Tax Assets and Liabilities [Table Text Block]
  

May 1, 2021

  

May 2, 2020

 

Deferred tax assets:

        

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

     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    

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 
         

Deferred tax liabilities:

        

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

     (17)

Other

  (49)  (68)

Total deferred tax liabilities

  (4,408)  (5,086)

Net deferred tax asset

 $11,534  $12,819 
  May 1, 2021  May 2, 2020 

Non-current assets

 $11,944  $13,271 

Non-current liabilities

  (410)  (452)
  $11,534  $12,819 
Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block]
  May 1, 2021  May 2, 2020 

Balance at beginning of year

 $582  $578 

Gross increases related to prior period tax positions

  21   17 

Gross decreases related to prior period tax positions

  (1)  (2)

Gross increases related to current period tax positions

  84   148 

Lapse of statute of limitations

  (138)  (159)

Balance at end of year

 $548  $582