SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Changes in Fair Value Derivative Liability (Details) - USD ($)
|
12 Months Ended |
Dec. 31, 2019 |
Dec. 31, 2018 |
| Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward] |
|
|
| Beginning Balance |
$ 370,000
|
$ 0
|
| Derivative liability |
(370,000)
|
|
| Change in fair value of derivative liability |
(873,000)
|
(50,000)
|
| Ending Balance |
3,045,500
|
370,000
|
| The amount of total gains (losses) for the period included in earnings attributable to the change in unrealized gains (losses) relating to the fair value liabilities still held at the end of the period |
1,347,900
|
50,000
|
| Warrant |
|
|
| Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward] |
|
|
| Issuance of liability |
3,330,000
|
0
|
| Exchange of the April Warrants and Placement Agent Warrants |
(746,700)
|
|
| Change in fair value of warrant liabilities |
54,200
|
0
|
| Derivative Financial Instruments, Liabilities |
|
|
| Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward] |
|
|
| Derivative liability |
0
|
420,000
|
| Extinguishment of derivative liability (the Senior Convertible Note) |
(370,000)
|
0
|
| Unsecured Convertible Promissory Note |
|
|
| Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward] |
|
|
| Issuance of liability |
$ 1,281,000
|
$ 0
|