Intangible Assets and Goodwill (Tables)

12 Months Ended

Sep. 30, 2023

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Changes in Intangible Assets

The following table summarizes changes in intangible assets, net:

	September 30,
(in thousands)	2023		2022
Balance at beginning of period	$	14,790	$	167
Additions from acquisition	1,470		14,740
Write off due to impairment	(2,125)		—
Amortization	(1,890)		(117)
Balance at end of period	$	12,245	$	14,790

Schedule of Weighted Average Remaining Useful Lives by Definite-lived Intangible Asset

The weighted average remaining useful lives by definite-lived intangible asset category are as follows:

(in thousands, except weighted average remaining life)	September 30, 2023
	Weighted Average Remaining Life (in years)	Gross Carrying Amount		Accumulated Amortization		Net Book Value
Technology	13.0	$	16,901	$	(9,527)	$	7,374
Customer relationships	4.0	4,690		(674)		4,016
Definite-lived intangible assets total		$	21,591	$	(10,201)	$	11,390

(in thousands, except weighted average remaining life)	September 30, 2022
	Weighted Average Remaining Life (in years)	Gross Carrying Amount		Accumulated Amortization		Net Book Value
Technology	5.4	$	10,991	$	(8,261)	$	2,730
Customer relationships	4.6	3,260		(50)		3,210
Definite-lived intangible assets total		$	14,251	$	(8,311)	$	5,940

Schedule of Future Amortization Expense for Intangible Assets

Estimated future amortization expense for intangible assets recorded by the Company at September 30, 2023 is as follows:

(in thousands)	Amount
2024	$	1,956
2025	1,930
2026	1,527
2027	1,504
2028	1,491
Thereafter	2,982
Total amortization expense	$	11,390

Schedule of Goodwill

The following table summarizes changes in goodwill:

	Year Ended September 30,
(in thousands)	2023		2022
Balance at beginning of period	$	17,894	$	69
Additions from acquisition	1,150		17,825
Write off from impairment	(19,044)		—
Balance at end of period	$	—	$	17,894