Acquired Intangible Assets, Net

12 Months Ended

Dec. 31, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

ACQUIRED INTANGIBLE ASSETS, NET

9. ACQUIRED INTANGIBLE ASSETS, NET

	December 31, 2020			December 31, 2021
Cost of acquired intangible assets	$	4,051		$	4,104
Less: accumulated amortization		(1,772	)		(2,222	)
Acquired intangible assets, net	$	2,279		$	1,882

The Group recorded amortization expense of $409, $392 and $413 for the years ended December 31, 2019, 2020 and 2021, respectively. No impairment losses were recognized for the years ended December 31, 2019, 2020 and 2021.

The annual amortization expense for each of the five succeeding fiscal years and thereafter are as follows:

2022	$	244
2023		243
2024		237
2025		233
2026		231
Thereafter		694
Total	$	1,882