Intangible Assets, Goodwill and Acquisitions (Tables)

6 Months Ended

Mar. 31, 2019

Goodwill And Intangible Assets Disclosure [Abstract]

Schedule of Intangible Assets

Intangible assets as of March 31, 2019 and September 30, 2018 consisted of the following:

		March 31, 2019					September 30, 2018
	Estimated Useful Life	Gross Carrying Amount		Accumulated Amortization			Gross Carrying Amount		Accumulated Amortization
Customer relationships	6-21 yrs.	$	635,394	$	(366,417	)	$	622,710	$	(337,800	)
Trademarks(1)	4-12 yrs.		4,800		(1,504	)		230,900		(227,520	)
Non-compete agreements	5 yrs.		2,740		(392	)		2,320		(155	)
Total intangible assets		$	642,934	$	(368,313	)	$	855,930	$	(565,475	)

(1) During the six months ended March 31, 2019, the Company wrote off $226,100 of fully amortized trademarks

Schedule of Changes in Carrying Amount of Goodwill

The following is a summary of the activity for the periods ended September 30, 2018 and March 31, 2019 for goodwill:

	Maintenance Services		Development Services		Total
Balance, September 30, 2017	$	1,523,299	$	180,474	$	1,703,773
Acquisitions		49,064		13,924		62,988
Balance, September 30, 2018		1,572,363		194,398		1,766,761
Acquisitions		32,448		—		32,448
Balance, March 31, 2019	$	1,604,811	$	194,398	$	1,799,209