CONVERTIBLE PREFERRED STOCK AND STOCKHOLDERS' EQUITY - Warrants (Details) - USD ($) $ / shares in Units, $ in Thousands |
Sep. 30, 2020 |
Dec. 31, 2019 |
Sep. 30, 2019 |
Dec. 31, 2018 |
Dec. 31, 2017 |
May 31, 2017 |
|---|---|---|---|---|---|---|
| Class of Warrant or Right [Line Items] | ||||||
| Warrants to purchase shares | 399,960 | 501,113 | 477,629 | 18,389 | 2,000,000 | |
| Number of common stock purchased by each warrant | 1 | 1 | ||||
| Revenue generated per share | $ 35.00 | $ 35.00 | ||||
| Exercise price | $ 5.00 | $ 5.00 | ||||
| Fair value of the warrants | $ 40 | $ 1,000 | $ 900 | $ 34,939 | ||
| Maximum | ||||||
| Class of Warrant or Right [Line Items] | ||||||
| Warrants to purchase shares | 2,000,000 |
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- Definition Fair value of warrants issued. No definition available.
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- Definition Revenue generated per share or per unit of warrants or rights outstanding. No definition available.
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- Definition Exercise price per share or per unit of warrants or rights outstanding. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Number of securities into which each warrant or right may be converted. For example, but not limited to, each warrant may be converted into two shares. No definition available.
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- Definition Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Details
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