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Note 9 - Commitments and Contingencies (Tables)
3 Months Ended
Mar. 31, 2023
Notes Tables  
Contractual Obligation, Fiscal Year Maturity [Table Text Block]

Years ending December 31,

 

Purchase and Service Commitments

 

2023

  $ 19,684  

2024 and Thereafter

    -  

Total

  $ 19,684