Warrants (Tables)

9 Months Ended

Sep. 30, 2019

Warrant Activity

Summary of warrant activity

	Nine Months Ended		Nine Months Ended
	September 30,		September 30,
	2019		2018
	(unaudited)
Warrants outstanding, beginning balance		34,682		4,590
Issuances		19,387,761		12,713
Expirations and cancellations		(551)		(722)
Warrants outstanding, ending balance		19,421,892		16,581