Quarterly report pursuant to Section 13 or 15(d)

Subsequent Events (Details)

v3.19.3
Subsequent Events (Details) - USD ($)
Oct. 29, 2019
Oct. 21, 2019
Nov. 04, 2019
Sep. 30, 2019
Nov. 30, 2015
Subsequent Event [Line Items]          
Credit line capacity       $ 122,435,000  
IPO | Subsequent Event          
Subsequent Event [Line Items]          
Common stock issued (in shares) 50,000,000        
Common stock price (in dollars per share) $ 1.50        
Net proceeds $ 70,000,000        
Over-Allotment Option | Subsequent Event          
Subsequent Event [Line Items]          
Common stock issued (in shares) 7,500,000        
Period to purchase shares 30 days        
Members of Senior Management | IPO | Subsequent Event          
Subsequent Event [Line Items]          
Common stock issued (in shares) 2,415,000        
Products | Pfizer | Subsequent Event          
Subsequent Event [Line Items]          
Annual height velocity at point in time   12 months      
Height velocity at point in time   12 months      
Change in height velocity at point in time   6 months      
Six Months | Products | Pfizer | Subsequent Event          
Subsequent Event [Line Items]          
Change in height standard deviation at point in time   6 months      
Twelve Months | Products | Pfizer | Subsequent Event          
Subsequent Event [Line Items]          
Change in height standard deviation at point in time   12 months      
New Credit Agreement | Revolving Credit Facility | Line of Credit          
Subsequent Event [Line Items]          
Credit line capacity         $ 100,000,000.0
New Credit Agreement | Revolving Credit Facility | Line of Credit | Subsequent Event          
Subsequent Event [Line Items]          
Credit line capacity     $ 75,000,000