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Earnings Per Share
 6 Months Ended
Mar. 31, 2021
Earnings Per Share [Abstract]  
EARNINGS PER SHARE EARNINGS PER SHARE
The following table is a reconciliation of the numerators and denominators in the net income per common share calculations (in thousands, except per common share data):
 Three months ended March 31,Six months ended March 31,
 2021202020212020
Numerator:  
Net income$2,928 $2,004 $2,621 $2,212 
Denominator:  
Denominator for basic net income per common share — weighted average shares outstanding30,900 28,881 30,129 28,673 
Effect of dilutive securities:  
Stock options and restricted stock units1,323 605 1,307 912 
Denominator for diluted net income per common share — adjusted weighted average shares32,223 29,486 31,436 29,585 
Net income per common share, basic$0.09 $0.07 $0.09 $0.08 
Net income per common share, diluted$0.09 $0.07 $0.08 $0.07 
For the three months ended March 31, 2021 and 2020, there were 37,248 and 713,980 potentially dilutive shares, respectively. For the six months ended March 31, 2021 and 2020, there were 37,248 and 592,780 potentially dilutive shares, respectively. These potentially dilutive shares were related to stock options to purchase common shares that were not included in the above computation of diluted earnings per common share since the options' exercise prices were greater than the average market price of our common shares.