Intangible Assets

12 Months Ended

Dec. 31, 2023

Goodwill and Intangible Assets Disclosure [Abstract]

Intangible Assets

12. Intangible Assets

Intangible assets, net are as follows:

	December 31, 2023
	Intangible Assets, Gross		Accumulated Amortization		Intangible Assets, Net		Weighted-Average Useful Life (in years)
Software - in service	$	3,486	$	(1,902)	$	1,584	3
FAA certificate	650		—		650		Indefinite
Total acquired intangible assets	$	4,136	$	(1,902)	$	2,234

	December 31, 2022
	Intangible Assets, Gross		Accumulated Amortization		Intangible Assets, Net		Weighted-Average Useful Life (in years)
Software - in service	$	2,680	$	(898)	$	1,782	3
FAA certificate	650		—		650		Indefinite
Total acquired intangible assets	$	3,330	$	(898)	$	2,432

Amortization of intangible assets was $1,004 and $898 for the years ended December 31, 2023 and 2022, respectively. The Company did not record any impairment charges related to definite-lived intangible assets for the years ended December 31, 2023 and 2022.

The following is a schedule of estimated amortization expense for the following periods:

Fiscal Year	Amount
2024	$	1,040
2025	383
2026	161
2027	—
2028	—
Thereafter	—
	$	1,584