Quarterly report pursuant to Section 13 or 15(d)

Subsequent Event - Additional Information (Detail)

v3.20.1
Subsequent Event - Additional Information (Detail)
1 Months Ended
Apr. 30, 2020
USD ($)
Subsequent Event [Member]  
Subsequent Event [Line Items]  
Proceeds from issuance of stock at the market offering $ 9,216,621