Equity - Warrants (Details) - USD ($) $ / shares in Units, $ in Millions			1 Months Ended	6 Months Ended	12 Months Ended
	Jul. 17, 2019	Jul. 10, 2019	May 31, 2016	Jun. 30, 2020	Dec. 31, 2019
Warrant
Number of Underlying Shares
Outstanding, beginning balance (in shares)				14,653,846
Outstanding, end balance (in shares)				25,903,846	14,653,846
Weighted Average Exercise Price Per Share
Outstanding, beginning balance (in dollars per share)				$ 0.39
Outstanding, end balance (in dollars per share)				$ 0.35	$ 0.39
May 2016 Warrants
Weighted Average Exercise Price Per Share
Exchanged during period (in shares)					4,500,000
Series A Warrants
Number of Underlying Shares
Granted (in shares)				7,500,000
Weighted Average Exercise Price Per Share
Granted (in dollars per share)				$ 0.30
Outstanding, end balance (in dollars per share)	$ 0.33
Expiration term of warrant	5 years
Warrants exercise period	6 months
Series B Warrants
Number of Underlying Shares
Granted (in shares)				3,750,000
Weighted Average Exercise Price Per Share
Granted (in dollars per share)				$ 0.30
Outstanding, end balance (in dollars per share)	$ 0.33
Exchanged during period (in shares)					4,500,000
Exchanged during the period (in dollar per share)					$ 0.35
Warrants exercise period	6 months
Registered Offering
Weighted Average Exercise Price Per Share
Sale price (in dollars per shares)			$ 0.50
Common stock issued (in shares)			8,000,000
Gross proceeds from common stock sale			$ 4.0
Registered Offering | 2016 Warrants
Number of Underlying Shares
Outstanding, end balance (in shares)			6,000,000
Weighted Average Exercise Price Per Share
Number of shares of common stock per capital unit (in shares)			0.75
Term of warrants			5 years
Number of common shares which can be purchased with each warrant			1
LPC Program [Member]
Weighted Average Exercise Price Per Share
Sale price (in dollars per shares)				$ 0.27
Common stock issued (in shares)				900,000
LPC Program [Member] | May 2016 Warrants
Weighted Average Exercise Price Per Share
Outstanding, end balance (in dollars per share)	$ 0.75
LPC Program [Member] | Series A Warrants
Weighted Average Exercise Price Per Share
Outstanding, end balance (in dollars per share)	$ 0.35
Common shares issuable upon exercise	8,653,846
LPC Program [Member] | Series B Warrants
Weighted Average Exercise Price Per Share
Outstanding, end balance (in dollars per share)	$ 0.35
Number of common shares which can be purchased with each warrant	1
Common shares issuable upon exercise	4,500,000
Common Stock | LPC Program [Member]
Weighted Average Exercise Price Per Share
Common stock issued (in shares)	8,653,846	8,653,846