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Note I - Resalable Software Licenses Rights (Tables)
12 Months Ended
Dec. 31, 2020
Notes Tables  
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]
Years ending December 31
       
2021
  $
216,000
 
2022
   
215,000
 
2023
   
213,000
 
2024
   
209,000
 
2025
   
165,000
 
Thereafter
   
496,146
 
Total   $
1,514,146
 
Software License Rights [Member]  
Notes Tables  
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]
Years ending December 31
       
2021
  $
18,000
 
2022
   
18,000
 
2023
   
18,000
 
2024
   
4,882
 
Total   $
58,882