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FAIR VALUE MEASUREMENTS (Tables)
12 Months Ended
Dec. 31, 2020
FAIR VALUE MEASUREMENTS  
Schedule of fair value hierarchy for assets and liabilities measured at fair value

As of December 31, 2019

As of December 31, 2020

Fair Value Measurement at the Reporting Date using

Fair Value Measurement at the Reporting Date using

Quoted

Quoted

price in

price in

active

active

markets

markets

for

Significant

Significant

for

Significant

Significant

identical

other

unobservable

identical

other

unobservable

assets

observable

inputs

assets

observable

inputs

    

Level 1

    

inputs

    

Level 3

    

Total

    

Level 1

    

inputs

    

Level 3

    

Total

Warrant liability

(1,690)

(1,690)

Summary of key assumptions used in the valuation of the contingent consideration

    

As of April 30, 2019

 

Volatility

 

40

%

Risk-free rate

 

3.2

%

Expected dividend rate

 

%

Simulation steps

 

10,000

Schedule of reconciliation of the beginning and ending balances for contingent consideration measured at fair value on a recurring basis using significant unobservable inputs (Level 3)

    

Amount

Balance at January 1, 2019

    

$

105,670

Fair value change for the four months ended April 30, 2019

 

(65,594)

Exchange difference

2,466

Contingent liability assumed by Renren on April 30, 2019

 

(42,542)

Balance at December 31, 2019

$