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Note 16 - Income Taxes (Tables)
12 Months Ended
Aug. 31, 2022
Notes Tables  
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]
  

Fiscal Year Ended August 31,

 
  

2022

  

2021

 

Current:

        

Federal

 $  $ 

State

  98,000   39,000 

Foreign

  1,894,000   1,307,000 
   1,992,000   1,346,000 

Deferred:

        

Federal

      

State

      

Foreign

  (118,164)  115,905 
   (118,164)  115,905 
  $1,873,836  $1,461,905 
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]
  

Fiscal Year Ended August 31,

 
  

2022

  

2021

 

Tax computed at statutory rates

 $1,780,000  $1,794,000 

State income tax, net of federal benefit

  34,000   37,000 

Tax effect on equity in income of international joint ventures

  (988,000)  (1,560,000)

Tax effect of foreign operations

  1,004,000   839,000 

Deemed repatriation

  10,000    

Expired foreign tax credit

     897,000 

Research and development credit

  (244,000)  (277,000)

Valuation allowance

  133,000   (492,000)

Stock based compensation

  67,000   75,000 

Non-controlling interest

  (72,000)  (83,000)

Other

  149,836   231,905 
  $1,873,836  $1,461,905 
Schedule of Deferred Tax Assets and Liabilities [Table Text Block]
  

August 31,

 
  

2022

  

2021

 

Accrued compensation

 $329,100  $539,300 

Inventory costs

  93,900   55,100 

Other accrued expenses

  84,800   103,100 

Lease liability

  98,300   84,300 

Goodwill and other intangible assets

  398,600   453,000 

Stock-based compensation

  547,200   466,300 

Property and equipment

  9,100    

Foreign tax credit carryforward

  4,892,100   4,893,300 

Other credit and loss carryforward

  5,455,500   5,243,100 

Other

  23,000    

Total deferred tax assets

  11,931,600   11,837,500 

Valuation allowance

  (11,592,900)  (11,447,500)

Total deferred tax assets after valuation allowance

  338,700   390,000 

Property and equipment

     (7,300)

Right-of-use asset

  (98,300)  (84,300)

Intangible assets

  (1,777,200)   

Unremitted foreign earnings

  (163,200)  (154,900)

Other

     (50,900)

Total deferred tax liabilities

  (2,038,700)  (297,400)

Net deferred tax assets

 $(1,700,000) $92,600 
Summary of Income Tax Contingencies [Table Text Block]
  

Fiscal Year Ended August 31,

 
  

2022

  

2021

 

Gross unrecognized tax benefits – beginning balance

 $297,600  $278,200 

Gross increases – prior period tax positions

  3,400   4,400 

Gross increases – current period tax positions

  18,000   15,000 

Gross unrecognized tax benefits – ending balance

 $319,000  $297,600