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INTANGIBLE ASSETS AND GOODWILL
 9 Months Ended
Sep. 30, 2022
Goodwill and Intangible Assets Disclosure [Abstract]  
INTANGIBLE ASSETS AND GOODWILL INTANGIBLE ASSETS AND GOODWILL
Intangible assets, net
Intangible assets, net consisted of the following as of September 30, 2022 (in thousands):

Gross Fair ValueAccumulated AmortizationNet Book Value
Developed technology
$1,700 $(623)$1,077 
Customer relationships
1,100 (252)848 
IPR&D
500 — 500 
Trade name and other
150 — 150 
Total intangibles
$3,450 $(875)$2,575 
Intangible assets, net consisted of the following as of December 31, 2021 (in thousands):

Gross Fair ValueAccumulated AmortizationNet Book Value
Developed technology
$1,700 $(368)$1,332 
Customer relationships
1,100 (149)951 
IPR&D
500 — 500 
Trade name and other
176 — 176 
Total intangibles
$3,476 $(517)$2,959 

Amortization expense of intangible assets was $0.1 million for both the three months ended September 30, 2022 and 2021, and $0.4 million for both the nine months ended September 30, 2022 and 2021.

The expected future amortization expense of these intangible assets as of September 30, 2022 is as follows (in thousands):

Fiscal year ending December 31,
Amount
Remainder of 2022
$120 
2023478 
2024478 
2025449 
2026138 
Thereafter262 
Total future amortization expense$1,925 
Goodwill
As of September 30, 2022 and December 31, 2021, goodwill was $2.7 million. No goodwill impairments were recorded during the three and nine months ended September 30, 2022 and 2021.