| Cover | Sep. 05, 2024 |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Sep. 05, 2024 |
| Entity File Number | 001-41273 |
| Entity Registrant Name | BYNORDIC ACQUISITION CORPORATION |
| Entity Central Index Key | 0001801417 |
| Entity Tax Identification Number | 85-4529780 |
| Entity Incorporation, State or Country Code | DE |
| Entity Address, Address Line One | c/o Pir 29 |
| Entity Address, Address Line Two | Einar Hansens Esplanad 29 |
| Entity Address, City or Town | Malmö |
| Entity Address, Country | SE |
| Entity Address, Postal Zip Code | 211 13 |
| City Area Code | +46 |
| Local Phone Number | 707 29 41 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | true |
| Elected Not To Use the Extended Transition Period | false |
| Units, each consisting of one share of Class A common stock, par value $0.0001, and one-half of one redeemable warrant | |
| Title of 12(b) Security | Units, each consisting of one share of Class A common stock, par value $0.0001, and one-half of one redeemable warrant |
| Trading Symbol | BYNOU |
| Security Exchange Name | NASDAQ |
| Class A common stock, par value $0.0001 per share | |
| Title of 12(b) Security | Class A common stock, par value $0.0001 per share |
| Trading Symbol | BYNO |
| Security Exchange Name | NASDAQ |
| Redeemable warrants, each whole warrant exercisable for one share of Class A common stock at an exercise price of $11.50 per share | |
| Title of 12(b) Security | Redeemable warrants, each whole warrant exercisable for one share of Class A common stock at an exercise price of $11.50 per share |
| Trading Symbol | BYNOW |
| Security Exchange Name | NASDAQ |
