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Summary of Significant Accounting Policies (Tables)
12 Months Ended
Dec. 31, 2018
Summary of Significant Accounting Policies  
Schedule of estimated useful lives of the assets

 

 

 

 

 

Category

    

Estimated useful life

Computer and office equipment

 

3 years

Leasehold improvements

 

Over the shorter of lease terms or the estimated useful lives of the assets