Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2021	Mar. 31, 2020
Cash flows from operating activities
Net income (loss)	$ 79	$ (97)
Adjustments to reconcile net income to net cash provided by (used in) operating activities
Depreciation, depletion and amortization	3	3
Other current and non-current assets	(73)	45
Accounts payable and other liabilities	16	32
Net cash provided by (used) in operating activities	25	(17)
Cash flows from financing activities
Payment on notes payable	(9)	(12)
Net cash provided by (used in) financing activities	(9)	(12)
Net increase (decrease) in cash and cash equivalents	16	(29)
Cash and cash equivalents at beginning of year	27	56
Cash and cash equivalents at end of period	43	27
Supplemental disclosures of cash flow information
Cash paid for interest on notes payable	$ 3	$ 3

The sum of adjustments which are added to or deducted from net income or loss, including the portion attributable to noncontrolling interest, to reflect cash provided by or used in operating activities, in accordance with the indirect cash flow method.

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