v3.25.2
Unrestricted Net Assets - Condensed Financial Information on Cash Flows (Detail) - USD ($)
3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Condensed Financial Information on Cash Flows [Line Items]    
Cash used in operating activities $ (1,010,467) $ 297,897
Cash used in investing activities (149,042) (270,242)
Cash provided by financing activities 3,148,197 (641,782)
Effect of exchange rates on cash (367,548) 102,847
Net cash flows 1,621,140 (511,280)
Cash at beginning of period 245,164 1,105,214
Cash at end of period 1,866,304 593,934
Northann Corp [Member]    
Condensed Financial Information on Cash Flows [Line Items]    
Cash used in operating activities (780,858) 528,867
Cash used in investing activities
Cash provided by financing activities 780,858 (528,495)
Effect of exchange rates on cash 0 0
Net cash flows 0 372
Cash at beginning of period 0 370
Cash at end of period $ 0 $ 742