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Stock Warrants - Changes in Warrants (Details) - shares
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Stock Warrants    
Warrants Outstanding, Beginning of Period 7,276,928 6,512,516
Exercised During the Period (7,276,928) (2,882,647)
Issued During the Period   3,647,059
Warrants Outstanding, End of Period   7,276,928