Intangible Assets, Goodwill and Acquisitions

3 Months Ended

Dec. 31, 2018

Goodwill And Intangible Assets Disclosure [Abstract]

Intangible Assets, Goodwill and Acquisitions

7.Intangible Assets, Goodwill and Acquisitions

Identifiable intangible assets consist of acquired customer contracts and relationships, trademarks and non-compete agreements. Amortization expense related to intangible assets was $15,130 and $31,046 for the three months ended December 31, 2018 and 2017, respectively. These assets are amortized over their estimated useful lives of which the reasonableness is continually evaluated by the Company.

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

		December 31, 2018					September 30, 2018
	Estimated Useful Life	Gross Carrying Amount		Accumulated Amortization			Gross Carrying Amount		Accumulated Amortization
Customer relationships	6-21 yrs.	$	622,670	$	(352,743	)	$	622,710	$	(337,800	)
Trademarks	12 yrs.		4,800		(1,499	)		230,900		(227,520	)
Non-compete agreements	5 yrs.		2,320		(263	)		2,320		(155	)
Total intangible assets		$	629,790	$	(354,505	)	$	855,930	$	(565,475	)

The following is a summary of the activity for the periods ended September 30, 2018 and December 31, 2018 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		2,451		—		2,451
Balance, December 31, 2018	$	1,574,814	$	194,398	$	1,769,212