Stockholders' Equity (Tables)

9 Months Ended

Sep. 30, 2019

Equity [Abstract]

Schedule of Warrant Activity

As of September 30, 2019, there were 35,667,329 warrants outstanding, with a weighted average exercise price of $0.63 per share, and annual expirations as follows:

Expiring in 2020	1,189,079
Expiring in 2021	343,750
Expiring in 2023	33,795,847
Expiring thereafter	338,653
Total	35,667,329