DEBT - Additional Note (Details) - USD ($)
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3 Months Ended |
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Jan. 10, 2020 |
Mar. 08, 2019 |
Mar. 31, 2021 |
Mar. 31, 2020 |
Dec. 31, 2020 |
| Debt Instrument [Line Items] |
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| Amortization of debt discount |
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$ 43,983
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$ 481,024
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| Repayments of debt |
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58,199
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1,469,804
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| Unsecured Convertible Promissory Note |
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| Debt Instrument [Line Items] |
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| Principal amount |
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$ 5,500,000
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$ 8,400,000
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| Conversion price (in dollars per share) |
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$ 3.25
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| Proceeds from notes payable |
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$ 5,000,000.0
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| Unamortized discount |
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500,000
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| Debt discount and derivative liability at the issuance date |
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$ 1,300,000
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| Amortization of debt discount |
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400,000
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| Debt interest rate |
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10.00%
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| Repayments of debt |
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1,500,000
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| Additional Note | Unsecured Convertible Promissory Note |
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| Debt Instrument [Line Items] |
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| Principal amount |
$ 2,750,000
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| Conversion price (in dollars per share) |
$ 3.25
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| Proceeds from notes payable |
$ 2,500,000
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| Unamortized discount |
250,000
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| Debt discount and derivative liability at the issuance date |
$ 400,000
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| Amortization of debt discount |
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44,000
|
108,000
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| Debt interest rate |
10.00%
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| Repayments of debt |
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$ 59,000
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$ 0
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