Condensed Statements of Stockholders’ Equity (Unaudited) (Parentheticals) - USD ($)	3 Months Ended
Jun. 30, 2022	Mar. 31, 2022
Statement of Stockholders' Equity [Abstract]
Issuance of common stock , net offering costs	$ 1.1	$ 2.9

Issuance of common stock in initial public offering, net.

No definition available.

Name:	bwv_IssuanceOfCommonStockInInitialPublicOfferingNet
Namespace Prefix:	bwv_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration