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Stockholders' Equity (Tables)
6 Months Ended
Jun. 30, 2020
Equity [Abstract]  
Schedule of Warrant Activity As of June 30, 2020, there were 53,770,750 warrants outstanding, with a weighted average exercise price of $0.37 per share, and annual expirations as follows:
Expiring in 2021343,750 
Expiring in 2022 
Expiring in 2023
33,645,847 
Expiring in 2024335,452 
Expiring thereafter19,445,701 
Total53,770,750