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Stockholders' Equity - Schedule of Warrant Activity (Details)
12 Months Ended
Dec. 31, 2019
shares
Equity [Abstract]  
Expiring in 2021 1,189,079
Expiring in 2022 343,750
Expiring in 2023 33,645,847
Expiring in 2024 335,453
Expiring in 2025 3,200
Total 35,517,329