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Note 10 - Earnings Per Share (Tables)
3 Months Ended
Mar. 31, 2022
Notes Tables  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
  

Three months ended

March 31,

 
  

2022

  

2021

 
         

Basic weighted average common shares outstanding

  6,725,042   6,680,130 

Dilutive effect of options and unvested restricted shares

  -   - 

Diluted weighted average shares outstanding

  6,725,042   6,680,130 
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]
  

Three months ended

March 31,

 
  

2022

  

2021

 
         

Stock Options

  628,500   410,000 
   628,500   410,000