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NOTE 9 — Net Income Per Share (Tables)
3 Months Ended
Mar. 31, 2023
Accounting Policies [Abstract]  
Reconciliation of basic shares to diluted shares and the computation of basic and diluted net income per share
                
   Three Months Ended March 31,
   2023  2022
Numerator:      
   Net income (loss)   $(993,420)   $341,933 
   Net income allocated to restricted stock award    121,264    31,752 
   Adjusted net income (loss) before interest for diluted earnings per share  $(872,156)   $310,181 
 Denominator:          
Weighted average shares
outstanding used in computing
net income (loss) per share:
          
 Basic    7,106,746    7,234,163 
 Effect of dilutive stock options          490,194 
 Diluted    7,106,746    7,724,357 
 Net income (loss) per share applicable to common stockholders:          
 Basic   $(0.12)   $0.04 
 Diluted   $(0.12)   $0.04