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Income Taxes (Tables)
12 Months Ended
Dec. 31, 2021
Income Tax Disclosure [Abstract]  
Schedule of income tax provision expense
   Year ended December 31 
   2021   2020   2019 
Current provision:            
Federal  $2,536   $21   $21 
State and local   795    133    152 
Foreign   3,572    1,415    5,423 
    6,903    1,569    5,596 
Deferred expense/(benefit):               
Federal   (9,013)   
    
 
State and local   (3,472)   (118)   (141)
Foreign   (213)   490    (866)
    (12,698)   372    (1,007)
Provision for (benefit from) income taxes  $(5,795)  $1,941   $4,589 

 

Schedule of income (loss) before provision for income taxes
   Year ended December 31 
   2021   2020   2019 
United States  $17,018   $24,616   $(11,288)
International   13,449    7,751    (1,114)
Total  $30,467   $32,367   $(12,402)

 

Schedule of deferred income tax assets and liabilities
   December 31 
   2021   2020 
Deferred tax assets:        
Accounts receivable  $4,295   $2,819 
Inventories   4,413    3,205 
Reserves and other accruals   5,903    1,271 
Lease liabilities   22,203    10,746 
Credits and other   2,144    4,064 
Net operating losses   6,102    10,485 
Gross deferred tax assets   45,060    32,590 
Valuation allowance   (5,543)   (19,425)
Total deferred tax assets, net   39,517    13,165 
           
Deferred tax liabilities:          
Prepaid expenses   (798)   (598)
Other   (621)   
 
ROU   (21,212)   (10,223)
Property and equipment   (3,219)   (693)
Long-term investment   (300)   (982)
Total deferred tax liabilities   (26,150)   (12,496)
Net deferred tax assets  $13,367   $669 

 

Schedule of effective tax rate
   Year ended December 31 
     2021     2020   2019 
Federal taxes at statutory rate   21.00%   21.00%   21.00%
State taxes, net of federal benefit   (6.85)   0.04    (0.02)
Permanent items:               
Other nondeductible items   0.48    0.17    (0.18)
Subpart F income   
    0.03    (1.24)
SEC. 956 Income inclusion   
    
    
 
Stock-based compensation   0.74    0.07    
 
Foreign withholding tax   
    
    (32.12)
Research & development credit   
    (2.04)   
 
Global intangible low-taxed income   
    2.36    
 
Foreign rate differential and foreign tax credits   2.15    1.12    3.77 
Change in valuation allowance   (33.11)   (15.48)   (13.60)
Federal tax reform rate differential   
    
    
 
Prior year adjustments and other   (3.43)   (1.27)   (13.22)
Effective tax rate   (19.02)%   6.00%   (35.61)%

 

Schedule of reconciliation of the beginning and ending amounts of uncertain tax positions
   Year ended
December 31
 
   2021   2020 
Beginning balance  $850   $586 
Additions based on tax positions related to the prior year   713    264 
Reductions for tax positions of prior years   
    
 
Ending balance  $1,563   $850