XML 47 R38.htm IDEA: XBRL DOCUMENT v3.22.1
Reconciliation of basic shares to diluted shares and the computation of basic and diluted net income per share (Details) - USD ($)
 3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Numerator:    
   Net income $ 341,933 $ 202,902
   Net income allocated to restricted stock award 31,752 17,365
   Adjusted net income before interest for diluted earnings per share $ 310,181 $ 185,537
Denominator: Weighted average shares outstanding used in computing net income per share:    
          Basic 7,234,163 6,484,391
 Effect of dilutive stock options 490,194 821,597
          Diluted 7,724,357 7,305,988
Net income per share applicable to common stockholders:    
          Basic $ 0.04 $ 0.03
          Diluted $ 0.04 $ 0.03