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Stockholders' Equity - Summary of Authorized and Issued Common and Preferred Stock (Details) - $ / shares	Mar. 31, 2021	Dec. 31, 2020
Summary of common and preferred stock authorized, issued and outstanding
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, shares, authorized (in shares)	600,000,000
Common stock, shares, issued (in shares)	209,334,036
Common stock, shares, outstanding (in shares)	209,334,036	186,851,493
Series C Preferred Stock
Summary of common and preferred stock authorized, issued and outstanding
Preferred stock, par value (in dollars per share)	$ 0.001	$ 0.001
Preferred stock, shares authorized (in shares)	1,091
Preferred stock, shares issued (in shares)	1,091
Preferred stock, shares outstanding (in shares)	9	9

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