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Note 9 - Income Taxes (Tables)
12 Months Ended
Dec. 31, 2021
Notes Tables  
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]
  

YEARS ENDED December 31,

 
  

2021

  

2020

 

Current:

        

Federal

 $9,000  $209,000 

State

  93,000   88,000 

Foreign

  107,000   117,000 

Total current

  209,000   414,000 
         

Deferred:

        

Federal

  98,000   (1,909,000)

State

  (18,000)  (266,000)

Foreign

  (20,000)  24,000 

Total deferred

  60,000   (2,151,000)
  $269,000  $(1,737,000)
Schedule of Deferred Tax Assets and Liabilities [Table Text Block]
  

December 31,

 
  

2021

  

2020

 

Deferred tax liabilities:

        

Property and equipment

 $(1,055,000) $(564,000)
         

Total deferred tax liabilities

  (1,055,000)  (564,000)
         

Deferred tax assets:

        

Net operating loss carryforwards

  360,000   99,000 

Accruals and allowances

  41,000   43,000 

Lease liabilities

  136,000   - 

Tax credits

  4,000   5,000 

Other – net

  87,000   50,000 

Capital loss carryover

  646,000   627,000 
         

Total deferred tax assets

  1,274,000   824,000 
         

Valuation allowance

  (697,000)  (678,000)
         

Deferred tax assets net of valuation allowance

  577,000   146,000 
         

Net deferred tax liabilities

 $(478,000) $(418,000)
  

December 31,

 
  

2021

  

2020

 

Deferred income taxes (non-current)

 $(478,000) $(418,000)
  $(478,000) $(418,000)
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]
  

YEARS ENDED December 31,

 
  

2021

  

2020

 

Computed expected federal income tax

 $79,000  $(1,844,000)

State income taxes, net of federal benefit

  69,000   (199,000)

Non-deductible expenses

  28,000   6,000 

Return to Provision True-up

  19,000   22,000 

Uncertain Tax Positions

  14,000   16,000 

Capital loss carryforward expiration

  -   246,000 

Change in valuation allowance

  19,000   (243,000)

Other deferred tax adjustments

  41,000   259,000 
         
  $269,000  $(1,737,000)
Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block]
  

YEARS ENDED December 31,

 
  

2021

  

2020

 

Balance at beginning of year

 $275,000  $259,000 

Additions based on tax positions of prior years

  20,000   16,000 
         

Balance at end of year

 $295,000  $275,000