Condensed Consolidated Balance Sheets - USD ($)	Feb. 28, 2026	Nov. 30, 2025
Current Assets:
Cash and cash equivalents	$ 111,629	$ 5,304
Prepaid expenses and other assets	51,802	36,842
Right of use asset	2,874	7,185
Total Current Assets	166,305	49,331
Property and equipment, net	175,261	175,390
Total Assets	341,566	224,721
Current Liabilities:
Accounts payable and accrued expenses	259,006	300,040
Interest payable, related party	53,020	49,382
Line of credit, related party	531,090
Advances, related party	99,000	99,000
Lease liability	2,970	7,352
Convertible notes payable, related party	49,500	45,000
Total Current Liabilities	1,605,936	1,153,690
Total Liabilities	1,605,936	1,153,690
Commitments and Contingencies (Note 9)
Stockholders’ Deficit:
Preferred stock, $0.001 par value; 10,000,000 shares authorized; no shares issued and outstanding at February 28, 2026 and November 30, 2025
Common stock, $0.001 par value; 520,000,000 shares authorized; 279,468,151 shares issued and outstanding at February 28, 2026 and November 30, 2025	279,468	279,468
Additional paid-in capital	65,291,436	65,279,790
Accumulated deficit	(66,835,274)	(66,488,227)
Total Stockholders’ Deficit	(1,264,370)	(928,969)
Total Liabilities and Stockholders’ Deficit	341,566	224,721
Related Party [Member]
Current Liabilities:
Note payable, net of debt discount	46,000	31,000
Nonrelated Party [Member]
Current Liabilities:
Note payable, net of debt discount	$ 565,350	$ 621,196

No definition available.

Name:	PUBC_OperatingLeaseRightOfUseAssetCurrent
Namespace Prefix:	PUBC_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Sum of the carrying values as of the balance sheet date of obligations incurred through that date and due within one year (or the operating cycle, if longer), including liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received, taxes, interest, rent and utilities, accrued salaries and bonuses, payroll taxes and fringe benefits.