FAIR VALUE MEASUREMENTS - Summary of Quantitative Inputs (Details) - Fair Value, Inputs, Level 3 - China Branding Group Limited
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Dec. 31, 2019 |
Dec. 31, 2018 |
| Expected volatility | CBG Financing Warrants |
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| Fair Value Measurement Inputs and Valuation Techniques [Line Items] |
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| Warrants, measurement input |
0.8500
|
0.7000
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| Expected volatility | CBG Acquisition Warrants |
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| Fair Value Measurement Inputs and Valuation Techniques [Line Items] |
|
|
| Warrants, measurement input |
0.7500
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0.7000
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| Risk-free interest rate | CBG Financing Warrants |
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| Fair Value Measurement Inputs and Valuation Techniques [Line Items] |
|
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| Warrants, measurement input |
0.0160
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0.0252
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| Risk-free interest rate | CBG Acquisition Warrants |
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| Fair Value Measurement Inputs and Valuation Techniques [Line Items] |
|
|
| Warrants, measurement input |
0.0165
|
0.0246
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| Expected remaining term (years) | CBG Financing Warrants |
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| Fair Value Measurement Inputs and Valuation Techniques [Line Items] |
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| Expected remaining term (years) |
8 months 23 days
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1 year 8 months 23 days
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| Expected remaining term (years) | CBG Acquisition Warrants |
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| Fair Value Measurement Inputs and Valuation Techniques [Line Items] |
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| Expected remaining term (years) |
3 years 8 months 19 days
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4 years 8 months 19 days
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