CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Cash flows from operating activities
Net income (loss) from continuing operations	$ 70	$ (52)	$ 60
Net income (loss) from discontinued operations		1,968	(2,412)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities
Gain on sale of oil and gas operations		(2,138)
Depreciation and amortization	13	12	18
Impairment of oil & gas properties			2,285
Changes in operating assets and liabilities
Other current and non-current assets	92	(197)	42
Accounts payable and other liabilities	(52)	(128)	(232)
Net cash provided by (used) in operating activities	123	(535)	(239)
Cash flows from investing activities
Proceeds from the sale of discontinued operations		85
Fixed asset addition			(68)
Collections of note receivable	276	508	12
Net cash provided by (used) in investing activities	276	593	(56)
Cash flows from financing activities
Payment on notes payable	(174)	(53)	(44)
Net cash provided by (used) in financing activities	(174)	(53)	(44)
Net increase (decrease) in cash and cash equivalents	225	5	(339)
Cash and cash equivalents at beginning of year	27	22	361
Cash and cash equivalents at end of year	252	27	22
Supplemental disclosures of cash flow information
Cash paid for interest on notes payable:	5	12	15
Cash paid for principal on notes payable:	$ 174	$ 47	$ 44