Balance Sheets - USD ($)	Jun. 30, 2026	Dec. 31, 2025
ASSETS
Cash	$ 50,543	$ 44,129
Prepaid expenses	48,070	8,336
Total Current Assets	98,613	52,465
Investments held in trust account	10,763,268	11,710,990
Cash held in escrow account		50,000
Total Assets	10,861,881	11,813,455
Current liabilities:
Accrued expenses	1,217,199	842,103
Payable to target	1,228,932	669,311
Total Current Liabilities	4,762,323	3,467,119
Deferred underwriting commission payable	2,100,000	2,100,000
Total Liabilities	6,862,323	5,567,119
Commitments and contingencies (Note 6)
Ordinary shares subject to possible redemption (881,636 and 1,005,792 shares at redemption value of $12.21 and $11.69 as of June 30, 2026 and December 31, 2025, respectively)	10,763,268	11,760,990
Shareholders’ Deficit:
Preferred shares, $0.0001 par value; 2,000,000 shares authorized; none issued and outstanding
Ordinary shares, $0.0001 par value; 200,000,000 shares authorized; 1,732,500 shares issued and outstanding (excluding 881,636 and 1,005,792 shares subject to possible redemption) at June 30, 2026 and December 31, 2025, respectively	173	173
Additional paid-in capital
Accumulated Deficit	(6,763,883)	(5,514,827)
Total Shareholders’ Deficit	(6,763,710)	(5,514,654)
Total Liabilities and Shareholders’ Deficit	10,861,881	11,813,455
Related Party [Member]
Current liabilities:
Promissory note – extension	2,075,000	1,775,000
Due to related party	$ 241,192	$ 180,705

Investment held in escrow account non current.

No definition available.

Name:	BAYA_InvestmentHeldInEscrowAccountNonCurrent
Namespace Prefix:	BAYA_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).