Quarterly report pursuant to Section 13 or 15(d)

Common Stock - Authorized - Additional Information (Detail)

v3.20.1
Common Stock - Authorized - Additional Information (Detail) - $ / shares
Mar. 31, 2020
Dec. 31, 2019
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]    
Common stock, shares authorized 150,000,000 150,000,000
Common stock, par value $ 0.001 $ 0.001
Preferred stock, shares authorized 5,000,000  
Preferred stock, par value $ 0.001