Accounts Receivable

9 Months Ended

Jun. 30, 2019

Receivables [Abstract]

Accounts Receivable

Accounts Receivable

The components of accounts receivable consisted of the following:

	As of
(in thousands)	June 30, 2019			September 30, 2018
Accounts receivable, gross	$	18,746		$	19,823
Allowance for doubtful accounts	(295		)	(548		)
Accounts receivable, net	$	18,451		$	19,275

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 three and nine months ended June 30, 2019 and 2018.

Allowance for Doubtful Accounts (in thousands)	For the three months ended June 30,						For the nine months ended June 30,
	2019			2018			2019			2018
Balance at beginning of period	$	267		$	95		$	548		$	22
Provision adjustment - expense, net of recoveries	62			524			62			599
Write-offs and other adjustments - deductions to receivable balances	(34		)	(21		)	(315		)	(23		)
Balance at end of period	$	295		$	598		$	295		$	598