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Debt - Convertible Promissory Note (Details) - USD ($)
$ / shares in Units, shares in Millions
May 16, 2019
Apr. 05, 2019
Apr. 04, 2019
Debt Instrument [Line Items]      
Common stock, shares agreed to be sold 0.1    
Price per share (in USD per share) $ 12.41    
Increase in additional paid-in capital from conversion $ 900,000 $ 13,000,000.0  
Convertible Promissory Notes      
Debt Instrument [Line Items]      
Aggregate amount     $ 900,000
Interest rate     5.00%