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Note L - Accrued Liabilities (Tables)
12 Months Ended
Dec. 31, 2022
Notes Tables  
Schedule of Accrued Liabilities [Table Text Block]
   

2022

   

2021

 
                 

Compensation

  $ 377,958     $ 254,433  

Compensated absences

    378,874       293,297  

Accrued legal and accounting fees

    110,008       95,738  
Franchise taxes     7,000       40,000  
Employee expenses reimbursement     114,209       76,000  

Sales tax payable

    17,594       18,548  

Other

    3,480       50,981  
                 

Total

  $ 1,009,123     $ 828,997