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CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (DEFICIT) (Parenthetical)
Dec. 31, 2020
Mar. 31, 2020
Dec. 31, 2019
12% Warrants      
Interest rate (as a percent) 12.00%   12.00%
15% Warrants      
Interest rate (as a percent) 15.00% 15.00% 15.00%
10% Warrants      
Interest rate (as a percent) 10.00%   10.00%