v3.26.3
Liquidity and management's plans - Additional Information (Detail) - USD ($)
9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Dec. 31, 2025
Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract]      
Negative cash flow from operations $ (18,053,729) $ (22,073,128)  
Cash and cash equivalents $ 1,894,351   $ 3,619,949