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Note 14 - Earnings Per Share ("EPS") (Tables)
3 Months Ended
Mar. 31, 2022
Notes Tables  
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]
  

Three Months Ended
March 31,

 
  

2022

  

2021

 
         

Stock options

  212,461   212,711 

Warrants

  4,689,387   4,689,387 

Total

  4,901,848   4,902,098