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UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Cash flows from operating activities:
Net loss	$ (3,436)	$ (6,921)
Adjustments to reconcile net loss to net cash used in operations:
Depreciation and amortization	34	36
Stock-based compensation	668	727
Gain on disposal of mineral property interests, net	(2,883)	(2,100)
Loss on other investments		(41)
Reduction of provision for environmental liability	(240)
Change in working capital account items:
Other current assets	599	300
Accounts payable, accrued liabilities and other	(492)	561
Net cash used in operating activities	(5,750)	(7,438)
Cash flows from investing activities:
Maturities of short-term investments, net	384	400
Additions to plant and equipment	(5)	(105)
Proceeds from option/sale agreements, net	2,500	2,415
Net cash provided by investing activities	2,879	2,710
Cash flows from financing activities:
Proceeds from equity financing, net	51	13,385
Payment of taxes from withheld shares	(357)	(401)
Net cash provided by/(used in) financing activities	(306)	12,984
Net increase/(decrease) in cash and cash equivalents	(3,177)	8,256
Cash and cash equivalents, beginning of period	12,757	7,762
Cash and cash equivalents, end of period	$ 9,580	$ 16,018

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