Accounts Receivable

12 Months Ended

Sep. 30, 2020

Receivables [Abstract]

Accounts Receivable

NOTE 7.Accounts Receivable

The components of accounts receivable consisted of the following:

	As of September 30,
(in thousands)	2020		2019
Accounts receivable, gross	$	25,551	$	18,645
Allowance for doubtful accounts		(227)		(148)
Accounts receivable, net	$	25,324	$	18,497

The allowance for doubtful accounts is based on the age of receivables and a specific identification of receivables considered at risk of collection.

The following table summarizes changes in the allowance for doubtful accounts for the fiscal years ended September 30, 2020, 2019 and 2018.

Allowance for Doubtful Accounts	For the Fiscal Years ended September 30,
(in thousands)	2020		2019		2018
Balance at beginning of period	$	148	$	548	$	22
Provision adjustment - expense, net of recoveries		188		62		599
Write-offs and other adjustments - deductions to receivable balances		(109)		(462)		(73)
Balance at end of period	$	227	$	148	$	548