Quarterly report pursuant to Section 13 or 15(d)

Subsequent Events - Narrative (Details)

v3.10.0.1
Subsequent Events - Narrative (Details) - USD ($)
$ / shares in Units, $ in Millions
Oct. 10, 2018
Oct. 02, 2018
Oct. 05, 2018
Sep. 27, 2018
Subsequent Event        
Subsequent Event [Line Items]        
Ownership interest (as a percent) 31.50%      
Ownership interest assuming conversion of preferred stock (as a percent) 43.00%      
Common Stock Subscribed        
Subsequent Event [Line Items]        
Additional common stock authorized (shares)       922,500
Common Stock Subscribed | Subsequent Event        
Subsequent Event [Line Items]        
Common stock issued (shares)   6,150,000 840,744  
Share price (USD per share) $ 6.100      
Discount per share on common stock exercise (USD per share)     $ 5.795  
Net proceeds from initial public offering $ 4.9 $ 34.8