6. INTANGIBLE ASSETS

6 Months Ended

Mar. 31, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

6. INTANGIBLE ASSETS

6. INTANGIBLE ASSETS

The Company amortizes intangible assets with finite lives over their estimated useful lives, which range between two and twenty years as follows:

Useful life
Patents	13-20 years
Websites	3 years
Customer list and non-compete agreement	1.5-4 years
Design assets	2 years
Trademarks	14 years
Engineering trade secrets	1-7 years
Strategic contract	5 years
Software	4 years

Intangible assets consist of the following as of March 31, 2021 and September 30, 2020:

	March 31, 2021			September 30, 2020
Patents	$	74,112		$	74,112
Websites		8,115			8,115
Customer list and non-compete agreement		11,824,757			6,702,024
Design assets		123,000			123,000
Trademarks		5,928			5,928
Trade secrets		4,370,269			4,370,269
Software		1,120,000			1,120,000
Strategic contract		7,457,970			—
Intangible assets:		24,984,151			12,403,448
Less: accumulated amortization		(7,651,331	)		(5,353,792)
Intangible assets, net	$	17,332,820		$	7,049,656

Amortization expense for the six months ended March 31, 2021 and 2020 was $2,225,991 and $1,269,293, respectively.

The Company expects to record amortization expense of intangible assets over the next 5 years and thereafter as follows:

2021 (six months remaining)	$	3,882,949
2022		7,072,469
2023		2,492,479
2024		2,065,344
2025		1,495,888
Thereafter		323,691
Total	$	17,332,820