CONSOLIDATED BALANCE SHEETS - USD ($)	Dec. 31, 2025	Dec. 31, 2024
Current Assets
Cash	$ 152,121	$ 209,614
Accounts Receivable		44,000
Total Current Assets	152,121	253,614
Total Assets	152,121	253,614
Current Liabilities
Accounts Payable and Accrued Expenses	16,631	1,400
Accrued Board of Directors/Officer Compensation	137,800	77,000
Total Current Liabilities	154,431	78,400
Total Liabilities	154,431	78,400
Stockholders' Equity (Deficit)
238,216,969 and 238,136,969 Issued and Outstanding, Respectively	238,216	238,136
Additional Paid-In-Capital	1,046,769	1,043,809
Accumulated Deficit	(1,287,295)	(1,106,731)
Total Stockholders' Equity (Deficit)	(2,310)	175,214
Total Liabilities and Stockholders' Equity (Deficit)	$ 152,121	$ 253,614

No definition available.

Name:	grhi_AccruedBoardOfDirectorCompensation
Namespace Prefix:	grhi_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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.