DEBT - Narrative (Details)
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12 Months Ended |
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Mar. 08, 2019
USD ($)
day
$ / shares
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Jan. 07, 2019
USD ($)
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Jan. 29, 2018
USD ($)
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Dec. 31, 2019
USD ($)
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Dec. 31, 2018
USD ($)
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Mar. 31, 2019
USD ($)
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| Short-term Debt [Line Items] |
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| Repurchased face amount |
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$ 7,790,557
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$ 275,000
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| Loss on extinguishment of convertible note payable |
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(1,049,166)
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0
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| Interest expense |
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1,067,379
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2,513,475
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| Convertible Notes Payable |
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| Short-term Debt [Line Items] |
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| Face amount of debt |
$ 5,500,000
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5,500,000
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5,196,667
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| Unamortized discount |
500,000
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| Payments of financing costs |
20,000
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| Proceeds from issuance of debt |
$ 5,000,000
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| Interest rate |
10.00%
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| Interest rate upon default |
18.00%
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| Interest expense |
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1,100,000
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| Conversion price (in dollars per share) | $ / shares |
$ 3.25
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| Redemption price (as a percentage) |
115.00%
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| Debt issuance costs |
$ 37,000
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| Estimated fair value of embedded derivative |
$ 1,300,000
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| Less: principal payments of debt |
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(1,544,724)
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0
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| Threshold trading days | day |
20
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| Stock price trigger (in dollars per share) | $ / shares |
$ 10.00
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| Conversion ratio |
80.00%
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| Debt instrument, cap rate |
19.99%
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| Note Purchase Agreement and Senior Note Payable |
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| Short-term Debt [Line Items] |
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| Face amount of debt |
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$ 4,800,000.0
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| Unamortized discount |
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1,800,000
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| Payments of financing costs |
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20,000
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| Proceeds from issuance of debt |
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$ 3,000,000
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| Interest rate |
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12.50%
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| Interest expense |
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0
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$ 2,500,000
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| Senior Convertible Note |
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| Short-term Debt [Line Items] |
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| Face amount of debt |
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5,200,000.0
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| Payments of financing costs |
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$ 30,000
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| Interest rate |
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8.00%
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| Interest rate upon default |
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18.00%
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| Repurchased face amount |
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$ 1,049,167
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| Repayments of accrued interest convertible note payable |
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1,399
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| Loss on extinguishment of convertible note payable |
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$ 1,000,000
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| Consideration paid to noteholder |
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$ 250,000
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| Repurchased face amount |
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$ 5,200,000
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| Accrued interest on convertible note |
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$ 60,000
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| Minimum | Convertible Notes Payable |
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| Short-term Debt [Line Items] |
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| Interest rate to increase outstanding obligations |
5.00%
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| Maximum | Convertible Notes Payable |
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| Short-term Debt [Line Items] |
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| Interest rate to increase outstanding obligations |
15.00%
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| Debt Instrument, Redemption, Period One | Convertible Notes Payable |
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| Short-term Debt [Line Items] |
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| Redemption price, amount |
$ 500,000
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| Debt instrument, redemption period |
15 months
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| Debt Instrument, Redemption, Period Two | Convertible Notes Payable |
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| Short-term Debt [Line Items] |
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| Redemption price, amount |
$ 750,000
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| Debt instrument, redemption period |
6 months
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