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Earnings Per Share (Tables)
9 Months Ended
Jun. 30, 2020
Earnings Per Share [Abstract]  
Schedule of Calculation of Numerator and Denominator in 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 June 30,Nine months ended June 30,
 2020201920202019
Numerator:  
Net income$1,766  $1,648  $3,978  $7,672  
Denominator:  
Denominator for basic net income per common share — weighted average shares outstanding28,972  28,072  28,772  27,816  
Effect of dilutive securities:  
Stock options and restricted stock units215  517  705  598  
Denominator for diluted net income per common share — adjusted weighted average shares29,187  28,589  29,477  28,414  
Net income per common share, basic$0.06  $0.06  $0.14  $0.28  
Net income per common share, diluted$0.06  $0.06  $0.13  $0.27