Annual report pursuant to Section 13 and 15(d)

Common Stock Warrants - Schedule of Common Stock Warrants Issued and Outstanding (Parenthetical) (Details)

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Common Stock Warrants - Schedule of Common Stock Warrants Issued and Outstanding (Parenthetical) (Details)
$ in Millions
12 Months Ended
Dec. 31, 2020
USD ($)
shares
Class Of Warrant Or Right [Line Items]  
Warrant exercised 84,000
Fair value of warrant | $ $ 0.3
Warrants Not Settleable in Cash  
Class Of Warrant Or Right [Line Items]  
Conversion of preferred stock into common stock, shares 46,939