Intangible assets, net are as follows:


		December 31, 2024
		Intangible Assets, Gross		Accumulated Amortization			Intangible Assets, Net	Weighted-Average Useful Life (in years)
Software - in service	$	3,978	$	(3,028	)	$	950	3
FAA certificate		650		—			650	Indefinite
Total acquired intangible assets	$	4,628	$	(3,028	)	$	1,600


		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

Amortization of intangible assets was $1,126 and $1,004 for the years ended December 31, 2024 and 2023, respectively. The Company did not record any impairment charges related to definite-lived intangible assets for the years ended December 31, 2024 and 2023.

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


Fiscal Year		Amount
2025	$	547
2026		324
2027		79
2028		—
2029		—
Thereafter		—
	$	950