Summary of Significant Accounting Policies (Tables)

12 Months Ended

Sep. 30, 2021

Accounting Policies [Abstract]

Accounts Receivable, Allowance for Credit Loss

The following table presents a reconciliation of the allowance for credit losses (in thousands):

	Year ended September 30,
	2021		2020
Balance at beginning of period	$	3,778	$	968
Additions	2,803		2,534
Uncollectible accounts charged to allowance, net of recoveries	(2,647)		276
Balance at end of period	$	3,934	$	3,778

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):

	Year ended September 30,
	2021		2020		2019
Numerator:
Net income	$	10,366	$	8,411	$	9,958
Denominator:
Denominator basic net income per common share — weighted average shares outstanding	32,111		28,849		27,905
Effect of dilutive securities:
Stock options and restricted stock units	1,283		697		649
Denominator diluted net income per common share — adjusted weighted average shares	33,394		29,546		28,554
Net income per common share, basic	$	0.32	$	0.29	$	0.36
Net income per common share, diluted	$	0.31	$	0.28	$	0.35