Intangible Assets, Net

9 Months Ended

12 Months Ended

Sep. 30, 2023

Dec. 31, 2022

Intangible Assets, Net (Excluding Goodwill) [Abstract]

Intangible Assets, Net

6. Intangible Assets, net

Identifiable intangible assets, net consist of the following:

	As of September 30,						As of December 31,
	2023						2022
(in thousands)	Cost		Accumulated Amortization		Net Book Value		Cost		Accumulated Amortization		Net Book Value
Internal-Use Software	$	6,346	$	(3,480)	$	2,866	$	5,827	$	(1,993)	$	3,834
Total identifiable intangible assets	$	6,346	$	(3,480)	$	2,866	$	5,827	$	(1,993)	$	3,834

Amortization expense amounted to $0.5 million for each of the three months ended September 30, 2023 and 2022, and $1.5 million and $1.1 million for the nine months ended September 30, 2023 and 2022, respectively. Intangible assets are assessed for impairment when events or circumstances indicate the existence of a possible impairment.

As of September 30, 2023, estimated annual amortization expense for each of the next five fiscal years is as follows:

Fiscal Years Ending December 31,
(in thousands)
2023 (remaining)		530
2024		1,689
2025		554
2026		93
2027		—
Total	$	2,866

7. Intangible Assets, net

Identifiable intangible assets, net consist of the following:

	As of December 31,						As of December 31,
	2022						2021
(in thousands)	Cost		Accumulated Amortization		Net Book Value		Cost		Accumulated Amortization		Net Book Value
Internal-Use Software	$	5,827	$	(1,993)	$	3,834	$	3,083	$	(428)	$	2,655
Total identifiable intangible assets	$	5,827	$	(1,993)	$	3,834	$	3,083	$	(428)	$	2,655

As of December 31, 2022, estimated annual amortization expense for each of the next five fiscal years is as follows:

(in thousands)
Fiscal Years Ending December 31,
2023	$	1,946
2024		1,516
2025		372
2026		—
2027		—