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Note 9 - Income Taxes (Tables)
12 Months Ended
Dec. 31, 2020
Notes Tables  
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]
  

Year ended December 31,

 
  

2020

  

2019

  

2018

 
             

Income for the year before provision for income taxes

 $10,760  $24,571  $26,155 

Computed federal tax expense

  2,259   5,160   5,492 
             

Increase (reduction) in income tax expense resulting from:

            

State income taxes

  303   526   846 

Change in Valuation allowance

  1,867   5,277   2,811 
Expired business tax credits  1,044   -   - 

Non-creditable Foreign Tax

  818   515   - 

Excess tax benefits on share-based compensation expense

  (407)  (634)  (697)

Permanent differences

  (161)  (103)  159 

Effect of deferred tax in foreign branch

  (774)  (840)  - 

Others

  36   (728)  409 

Provision for income taxes

 $4,985  $9,173  $9,020 
Schedule of Deferred Tax Assets and Liabilities [Table Text Block]
  

December 31, 2020

  

December 31, 2019

 

Deferred tax assets (liabilities):

        

Deferred tax assets:

        

Deferred revenue

 $5,739  $6,301 

Foreign tax credits and general business credits

  11,203   9,004 

Net operating losses

  1,452   1,341 

Accruals, including foreign exchange and other

  792   1,490 

Sub-total Deferred tax assets

  19,186   18,136 

Valuation allowance

  (11,232)  (9,365)

Total deferred tax assets

 $7,954  $8,771 

Deferred tax liabilities:

        

Prepaid registry fees and expenses

 $(16,909) $(16,237)

Amortization

  (7,083)  (6,925)

Limited life intangible assets

  (4,327)  (5,958)

Indefinite life intangible assets

  (2,847)  (3,110)
Foreign branch deferred tax liability  (1,256)  (2,012)

Total deferred tax liability

 $(32,422) $(34,242)
         

Net deferred tax asset (liability)

 $(24,468) $(25,471)