Quarterly report pursuant to Section 13 or 15(d)

Nature of Operations, Corporate History, and Liquidity Risk and Management Plans - Additional Information (Detail)

v3.20.2
Nature of Operations, Corporate History, and Liquidity Risk and Management Plans - Additional Information (Detail) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Aug. 19, 2020
Jun. 30, 2020
Organization Consolidation And Presentation Of Financial Statements [Abstract]        
Common stock, par value $ 0.001   $ 0.0001 $ 0.001
Conversion of convertible common stock 1.5740 shares      
Nature of operations, corporate history, and going concern (Textual)        
Net loss $ (19,518) $ (1,606)    
Cash flow from operations (4,110) $ (2,266)    
Cash and cash equivalents 22,602     $ 2,392
Net proceeds from private placement $ 21,600