CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Cash flows from operating activities
Net income (loss)	$ 17	$ 5
Adjustments to reconcile net income to net cash provided by (used in) operating activities
Depreciation, depletion and amortization	3	3
Note receivable - related party		18
Other current assets	(32)	(60)
Accounts payable and other liabilities	13	36
Net cash provided by (used) in operating activities	1	2
Net increase (decrease) in cash and cash equivalents	1	2
Cash and cash equivalents at beginning of year	436	252
Cash and cash equivalents at end of period	$ 437	$ 254