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Intangible Assets, net | 9 Months Ended
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Sep. 30, 2021
Goodwill and Intangible Assets Disclosure [Abstract] |
Intangible Assets, net |
12. | Intangible Assets, net
Intangible assets as of December 31, 2020 and September 30, 2021 consisted of the followings:
|  | December 31, |  |  | September 30, |
|  | 2020 |  |  | 2021 |
Computer software at cost |  | $ | 32,686 |  |  | $ | 44,634 |
Accumulated amortization |  |  | (20,879 | ) |  |  | (23,216 | )
|  | $ | 11,807 |  |  | $ | 21,418 |
Amortization expenses were $870 and $1,613 for the three months ended September 30, 2020 and 2021and $3,452 and $4,195 for the nine months ended September 30, 2020 and 2021, respectively.

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- Definition The entire disclosure for all or part of the information related to intangible assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -URI http://asc.fasb.org/topic&trid=2144416 + Details
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