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Intangible Assets, Net | 12 Months Ended
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Dec. 31, 2019
Intangible Assets, Net [Abstract] |
Intangible Assets, net |
11. | Intangible Assets, net
Intangible assets as of December 31, 2018 and 2019 consisted of the followings:
|  | December 31, |  |  | December 31, |
|  | 2018 |  |  | 2019 |
Computer software at cost |  | $ | 31,025 |  |  |  | 30,648 |
Accumulated amortization |  |  | (10,156 | ) |  |  | (15,470 | )
|  | $ | 20,869 |  |  |  | 15,178 |
Amortization expenses were $3,383 and $ 5,482 for the years ended December 31, 2018 and 2019, 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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