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Condensed Consolidated Balance Sheets (Parenthetical) - $ / shares
Mar. 31, 2022
Dec. 31, 2021
Preferred stock, par value (in dollars per share) $ 0.0001 $ 0.0001
Preferred stock, shares authorized (in shares) 10,000,000 10,000,000
Common stock, par value (in dollars per share) $ 0.0001 $ 0.0001
Common stock, shares authorized (in shares) 200,000,000 200,000,000
Common stock, shares issued (in shares) 69,049,247 67,863,674
Common stock, shares outstanding (in shares) 69,049,247 67,863,674
Series X Convertible Preferred Stock    
Preferred stock, par value (in dollars per share) $ 0.0001 $ 0.0001
Preferred stock, shares authorized (in shares) 4,947,759 4,947,759
Preferred stock, shares issued (in shares) 1,870,713 1,818,472
Preferred stock, shares outstanding (in shares) 1,870,713 1,818,472