v3.20.1

Consolidated Statements of Cash Flows (Parenthetical) | 12 Months Ended
--- | ---
Dec. 31, 2019 USD ($)
Series B Preferred Stock |
Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] |
Warrants to purchase common stock | $ 6,709,961
Arosa |
Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] |
Warrants to purchase common stock | $ 3,540,542

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