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Equity - Warrants - Activity (Details) - $ / shares
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Equity      
Warrants Outstanding at beginning of period (in shares) 2,495,784    
Warrants Forfeited/Expired (in shares) (2,415,784)    
Warrants Outstanding at end of period (in shares) 80,000    
Weighted Average Exercise Price, Warrants Outstanding (in dollars per share) $ 1.80 $ 3.98 $ 3.98
Weighted Average Exercise Price, Warrants Forfeited/Expired (in dollars per share) $ 4.05