FAIR VALUE MEASUREMENTS - Schedule of Fair Value of Liabilities Measured on Recurring Basis (Details) - USD ($)	Jun. 30, 2021	Dec. 31, 2020
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Convertible promissory note with embedded conversion option	$ 2,747,418	$ 2,298,820
Total	2,747,418	2,298,820
Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Convertible promissory note with embedded conversion option
Total
Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Convertible promissory note with embedded conversion option
Total
Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Convertible promissory note with embedded conversion option	2,747,418	2,298,820
Total	$ 2,747,418	$ 2,298,820