Quarterly report pursuant to Section 13 or 15(d)

Going Concern - Additional Information (Detail)

v3.20.2
Going Concern - Additional Information (Detail) - USD ($)
1 Months Ended 9 Months Ended
Jul. 18, 2020
Aug. 31, 2020
Sep. 30, 2020
Sep. 30, 2019
Mar. 31, 2020
Dec. 31, 2019
Nov. 30, 2018
Financial Support For Nonconsolidated Legal Entity [Line Items]              
Cumulative operating losses         $ 18,236,000    
Proceeds from warrants exercised $ 135,000   $ 3,081,480 $ 22,320      
Proceeds from stock subscription     $ 9,447,535        
Common stock, shares issued     15,418,799     3,134,261 2,500,000
Cash     $ 12,234,506     $ 822,909  
Going Concerns [Member]              
Financial Support For Nonconsolidated Legal Entity [Line Items]              
Proceeds from issuance of common stock, warrants exercised and related party receivable     $ 14,000,000        
Warrants Exercised   150,000 1,200,000        
Proceeds from warrants exercised   $ 100,000 $ 2,900,000        
Related party receivable     1,500,000        
Proceeds from stock subscription     $ 1,250,000        
Common stock, shares issued     520,838        
Cash     $ 12,200,000        
Going Concerns [Member] | Common Stock [Member]              
Financial Support For Nonconsolidated Legal Entity [Line Items]              
Proceeds from stock subscription     $ 8,300,000        
Common stock, shares issued     10,200,000