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Stockholders' Equity - Summary of Warrant Activity (Details) - $ / shares | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2020 | Dec. 31, 2019
Warrants outstanding [Roll Forward] |  |
Outstanding, beginning of period (in shares) | 1,826,608 |
Warrants issued (in shares) | 2,601,900 |
Exercised (in shares) | (66,117) |
Warrants expired (in shares) | (18) |
Outstanding, end of period (in shares) | 4,362,373 | 1,826,608
Warrants, Exercise Price per Share [Roll Forward] |  |
Outstanding, (in dollars per share) | $ 10.00 |
Warrants, Weighted Average Exercise Price [Roll Forward] |  |
Outstanding, beginning of period (in dollars per share) | 23.04 |
Issued (in dollars per share) | 10.00 |
Exercised (in dollars per share) | 9.09 |
Warrants expired (in dollars per share) | 7.00 |
Outstanding, end of period (in dollars per share) | $ 9.15 | $ 23.04
Weighted average remaining life | 4 years 6 months | 5 years
Minimum [Member] |  |
Warrants, Exercise Price per Share [Roll Forward] |  |
Outstanding, (in dollars per share) | $ 0.01 | $ 7.00
Maximum [Member] |  |
Warrants, Exercise Price per Share [Roll Forward] |  |
Outstanding, (in dollars per share) | $ 10.00 | $ 23.04

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- Definition Exercise price per share or per unit of warrants or rights outstanding. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21475-112644 + Details
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