Shareholders' Equity and Non-Controlling Interests Class of Warrant or Right (Details) - shares	3 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Feb. 10, 2020	Dec. 31, 2019	Dec. 31, 2018
Class of Warrant or Right [Line Items]
Class of Warrant or Right, Outstanding	8,121,000	2,263,000	6,085,000	2,040,000	2,259,000
Warrants and Rights, expired	(4,000)	0