CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Current assets
Cash and cash equivalents	$ 460	$ 436
Other current assets	24	30
Total current assets	484	466
Property and equipment, net of depreciation
Land, buildings and equipment	632	631
Note receivable -related parties	3,542	3,542
Total assets	4,658	4,639
Current liabilities
Accounts payable	25	23
Accrued expenses	39	40
Total current liabilities	64	63
Stockholders' equity
Preferred stock, Series B	1	1
Common stock, $.01 par value; authorized, 100,000,000 shares; issued and outstanding, 5,131,934 shares at September 30, 2023 and December 31, 2022	51	51
Additional paid-in capital	63,579	63,579
Accumulated deficit	(59,037)	(59,055)
Total shareholder equity	4,594	4,576
Total liabilities & equity	$ 4,658	$ 4,639

No definition available.

Name:	GBR_NoteReceivableRelatedParties
Namespace Prefix:	GBR_
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).