Contracts Receivable Including Retainage, net (Tables)

12 Months Ended

Sep. 30, 2019

Contractors [Abstract]

Schedule of Contracts Receivable Including Retainage, Net

Contracts receivable including retainage, net consisted of the following at September 30, 2019 and 2018 (in thousands):

	September 30,
	2019		2018
Contracts receivable	$	121,050	$	104,541
Retainage	19,835		16,848
	140,885		121,389
Allowance for doubtful accounts	(1,003)		(1,098)
Contracts receivable including retainage, net	$	139,882	$	120,291

The following is a summary of changes in the allowance for doubtful accounts balance during the fiscal years ended September 30, 2019 and 2018 (in thousands):

	For the Fiscal Year Ended  September 30,
	2019		2018
Balance at beginning of period	$	1,098	$	1,734
Charged to bad debt expense	995		604
Write-off of contracts receivable including retainage	(1,090)		(1,240)
Balance at end of period	$	1,003	$	1,098