Quarterly report pursuant to Section 13 or 15(d)

Liquidity and Management Plans - Additional Information (Detail)

v3.22.2.2
Liquidity and Management Plans - Additional Information (Detail) - USD ($)
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2022
Jun. 30, 2022
Mar. 31, 2022
Dec. 31, 2021
Sep. 30, 2021
Jun. 30, 2021
Mar. 31, 2021
Sep. 30, 2022
Sep. 30, 2021
Dec. 31, 2020
Liquidity And Management Plans [Line Items]                    
Engineering product development $ 223,201       $ 201,364     $ 672,133 $ 531,389  
Net loss (5,964,875) $ (7,017,749) $ (7,152,718)   (12,464,526) $ (11,015,829) $ (8,525,763) (20,135,342) (32,006,118)  
Net cash provided by (used in) operating activities               (18,838,453) (22,498,803)  
Proceeds of securities offerings       $ 27,043,751           $ 53,556,202
Cash and cash equivalents, at carrying value, total 30,355,468     $ 49,071,414       30,355,468    
Technology Service [Member]                    
Liquidity And Management Plans [Line Items]                    
Engineering product development $ 223,201       $ 201,364     $ 672,133 $ 531,389