Intangible Assets

12 Months Ended

Sep. 30, 2021

Finite-Lived Intangible Assets, Net [Abstract]

Intangible assets consist of the following:


			Balance as of September 30, 2021						Balance as of September 30, 2020
	Useful Life (in years)	Weighted average useful Life (in years)	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
			(in thousands)						(in thousands)
Contract intangibles	6	6.0	$	3,100	$	(1,679)	$	1,421	$	3,100	$	(1,162)	$	1,938
Brand and technology	5	5.0	2,700		(1,755)		945		2,700		(1,215)		1,485
Patent and trademarks	7 - 10	8.6	2,360		(1,273)		1,087		2,329		(994)		1,335
Total intangible assets, net			$	8,160	$	(4,707)	$	3,453	$	8,129	$	(3,371)	$	4,758

Future expected amortization of intangible assets at September 30, 2021, is as follows:


Year Ending September 30,	Amortization
	(in thousands)
2022	$	1,330
2023	1,187
2024	649
2025	287
2026	—
Thereafter	—
Total	$	3,453

Amortization expense related to intangible assets for the years ended September 30, 2021, 2020 and 2019 was $1.3 million, $1.3 million and $1.3 million, respectively. The Company did not record impairment charges on any intangible assets during the years ended September 30, 2021, 2020 and 2019.