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Warrants and Derivative Liabilities (Details) | 12 Months Ended
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Dec. 31, 2019 $ / shares shares
Class of Warrant or Right [Line Items] |
Amount Vested and Outstanding | shares | 25,143,250
Pre 2015 Common Stock Warrants |
Class of Warrant or Right [Line Items] |
Exercise Price | $ / shares | $ 1.00
Amount Vested and Outstanding | shares | 4,000,000
Pre 2015 Common Stock Warrants | Minimum |
Class of Warrant or Right [Line Items] |
Term (Years) | 6 years
Pre 2015 Common Stock Warrants | Maximum |
Class of Warrant or Right [Line Items] |
Term (Years) | 10 years
2015 Common Stock Warrants |
Class of Warrant or Right [Line Items] |
Amount Vested and Outstanding | shares | 442,000
2015 Common Stock Warrants | Minimum |
Class of Warrant or Right [Line Items] |
Exercise Price | $ / shares | $ 1.15
Term (Years) | 5 years
2015 Common Stock Warrants | Maximum |
Class of Warrant or Right [Line Items] |
Exercise Price | $ / shares | $ 5.00
Term (Years) | 10 years
Common Stock Warrants to Series B Stockholders |
Class of Warrant or Right [Line Items] |
Exercise Price | $ / shares | $ 0.00
Term (Years) | 5 years
Amount Vested and Outstanding | shares | 1,031,250
2016 Common Stock Warrants to Service Providers |
Class of Warrant or Right [Line Items] |
Exercise Price | $ / shares | $ 1.15
Term (Years) | 10 years
Amount Vested and Outstanding | shares | 40,000
2016 Series C Common Stock Warrants to Placement Agent |
Class of Warrant or Right [Line Items] |
Exercise Price | $ / shares | $ 0.40
Term (Years) | 5 years
Amount Vested and Outstanding | shares | 125,000
2017 Series D Common Stock Warrants to Placement Agent |
Class of Warrant or Right [Line Items] |
Exercise Price | $ / shares | $ 0.25
Term (Years) | 5 years
Amount Vested and Outstanding | shares | 480,000
2017 Common Stock Warrants to Service Provider |
Class of Warrant or Right [Line Items] |
Exercise Price | $ / shares | $ 0.41
Term (Years) | 5 years
Amount Vested and Outstanding | shares | 125,000
2018 Emerald Financing Warrants |
Class of Warrant or Right [Line Items] |
Exercise Price | $ / shares | $ 0.10
Term (Years) | 5 years
Amount Vested and Outstanding | shares | 3,400,000
Emerald Multi-Draw Credit Agreement Warrants |
Class of Warrant or Right [Line Items] |
Exercise Price | $ / shares | $ 0.50
Term (Years) | 5 years
Amount Vested and Outstanding | shares | 7,500,000
2019 Common Stock Warrants |
Class of Warrant or Right [Line Items] |
Exercise Price | $ / shares | $ 0.35
Term (Years) | 5 years
Amount Vested and Outstanding | shares | 8,000,000

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- Definition Exercise price per share or per unit of warrants or rights outstanding. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(i)(4)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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