Contracts Receivable Including Retainage, net (Tables)

12 Months Ended

Sep. 30, 2020

Contractors [Abstract]

Schedule of Contracts Receivable Including Retainage, Net

Contracts receivable including retainage, net consisted of the following at September 30, 2020 and 2019 (in thousands):

	September 30,
	2020		2019
Contracts receivable	$	112,197	$	121,050
Retainage	21,013		19,835
	133,210		140,885
Allowance for doubtful accounts	(1,440)		(1,003)
Contracts receivable including retainage, net	$	131,770	$	139,882

The following is a summary of changes in the allowance for doubtful accounts balance during the fiscal years ended September 30, 2020 and 2019 (in thousands):

	For the Fiscal Year Ended  September 30,
	2020		2019
Balance at beginning of period	$	1,003	$	1,098
Charged to bad debt expense	705		995
Write-off of contracts receivable including retainage	(268)		(1,090)
Balance at end of period	$	1,440	$	1,003