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Stockholders' Equity - Reserved Common Stock (Details)
Jun. 30, 2020
shares
Class of Stock [Line Items]  
Common stock reserved for issuance (in shares) 5,065,461
Warrant  
Class of Stock [Line Items]  
Common stock reserved for issuance (in shares) 15,461
Stock options  
Class of Stock [Line Items]  
Common stock reserved for issuance (in shares) 5,050,000