Intangible Assets

12 Months Ended

Dec. 31, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

Intangible Assets

Intangible Assets

Intangible assets with finite lives are amortized over the following estimated useful lives:

	Estimated Useful Life
Acquired technology	8 years
Customer relationship	3 years
Software development costs	2 years

Intangible assets, all of which are finite-lived, consists of the following (in thousands):

	December 31, 2021						December 31, 2020
	Gross Carrying Amount		Accumulated Amortization		Net Carrying Value		Gross Carrying Amount		Accumulated Amortization		Net Carrying Value
Acquired technology	$	3,630	$	(256)	$	3,374	$	—	$	—	$	—
Customer relationships	40		(5)		35		—		—		—
Software development costs	22,222		(6,432)		15,790		12,253		(4,833)		7,420
	$	25,892	$	(6,693)	$	19,199	$	12,253	$	(4,833)	$	7,420

Amortization expense was $1.9 million, $1.7 million, and $1.8 million for the years ended December 31, 2021, 2020, and 2019, respectively.

The expected future annual amortization expense of intangible assets as of December 31, 2021 is presented below (in thousands):

Years Ending December 31,	Amount
2022	$	6,820
2023	7,657
2024	2,460
2025	703
2026	454
2027 and thereafter	1,105
Total	$	19,199