Stock Warrants - Changes in Warrants (Details) - shares	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Stock Warrants
Warrants Outstanding, Beginning of Period	7,276,928	6,512,516	2,233,062
Exercised During the Period	(7,276,928)	(2,882,647)
Issued During the Period		3,647,059	5,479,454
Expired During the Period			(1,200,000)
Warrants Outstanding, End of Period	0	7,276,928	6,512,516