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STOCKHOLDERS EQUITY - Narrative (Details) | Dec. 11, 2020 USD ($) $ / shares shares | Jul. 02, 2020 USD ($) $ / shares shares | Jun. 26, 2019 USD ($) investor $ / shares shares | Jan. 12, 2018 $ / shares shares
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Public Stock Offering |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |
Sale of stock, number of shares issued (in shares) | 5,750,000 | 8,625,000 |  |
Sale of stock, price per share (in dollars per share) | $ / shares | $ 30 | $ 5.60 |  |
Proceeds from Issuance of Common Stock | $ | $ 172,500,000 | $ 48,300,000 |  |
Sale of stock, consideration received on transaction | $ | $ 162,500,000 | $ 44,600,000 |  |
Over-Allotment Option |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |
Sale of stock, number of shares issued (in shares) | 750,000 | 1,125,000 |  |
Private Placement |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |
Sale of stock, number of shares issued (in shares) |  |  | 4,123,257 | 36
Sale of stock, price per share (in dollars per share) | $ / shares |  |  | $ 3.10 | $ 250,000
Warrants and rights outstanding term |  |  | 3 years |
Number of securities called by each warrant or right (in shares) |  |  | 0.5 |
Class of warrant or right, exercise price (in dollars per share) | $ / shares |  |  | $ 3.50 | $ 0.01
Proceeds from issuance of private placement | $ |  |  | $ 12,782,099 |
Number of investors | investor |  |  | 19 |
Private Placement | Common Stock |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |
Sale of stock, award issued per unit sold |  |  | 1 |
Private Placement | Warrant |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |
Sale of stock, award issued per unit sold |  |  | 1 |

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