v3.20.1

Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2019
Accounting Policies [Abstract] |
Property and Equipment, Net | Depreciation is recognized over the following useful lives in straight-line method, taking into consideration the assets’ estimated salvage value:
Building |  | 30 years
Computer equipment |  | 3 to 5 years
Furniture, fixtures and office equipment |  | 5 years
Software |  | 3 to 5 years
Motor vehicles |  | 5 years
Leasehold improvements |  | The shorter of lease terms and estimated useful lives
Employee Benefit Plans | Employee benefit expenses recognized under these plans for nine months ended December 31, 2017, the years ended December 31, 2018 and 2019 are allocated to the following expense items:
|  | Nine months ended December 31 |  |  | Twelve months ended December 31 |  |  | Twelve months ended December 31
|  | 2017 |  |  | 2018 |  |  | 2019
|  | RMB |  |  | RMB |  |  | RMB
Cost of revenues |  |  | 78,381 |  |  |  | 79,280 |  |  | 2,363,553
Research and development |  |  | 2,296,392 |  |  |  | 3,232,457 |  |  | 2,468,898
Sales and marketing |  |  | 334,628 |  |  |  | 771,479 |  |  | 2,077,128
General and administrative |  |  | 810,713 |  |  |  | 1,530,096 |  |  | 3,301,256
Total expense due to employee benefit plans |  |  | 3,520,114 |  |  |  | 5,613,312 |  |  | 10,210,835

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- Definition Tabular disclosure of the useful life of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. + References No definition available. + Details
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- Definition Tabular disclosure of the costs related to the various types of defined contribution plans including both before retirement defined contribution plan cost and certain other postretirement benefit plan cost. + References No definition available. + Details
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- References No definition available. + Details
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