FAIR VALUE MEASUREMENTS - Estimate of Expected Volatility and Stock Price (Details) - China Branding Group Limited $ in Thousands	6 Months Ended
Jun. 30, 2020 USD ($)
CBG Financing Warrants
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Changes in fair value resulting from 5% increase in expected volatility	$ 130
Changes in fair value resulting from 5% decrease in expected volatility	130
Changes in fair value resulting form 5% increase in stock price	595
Changes in fair value resulting from 5% decrease in stock price	660
CBG Acquisition Warrants
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Changes in fair value resulting from 5% increase in expected volatility	460
Changes in fair value resulting from 5% decrease in expected volatility	405
Changes in fair value resulting form 5% increase in stock price	230
Changes in fair value resulting from 5% decrease in stock price	$ 290

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