CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
CASH FLOWS FROM OPERATING ACTIVITIES:
Consolidated net loss	$ (1,126)	$ (1,457)
Adjustments to reconcile net loss to net cash used by operating activities:
Depreciation and amortization	24	7
Non-cash interest expense	485	(126)
Gain on decrease in warrant liability	(771)
Income realized on lease of water rights		(13)
Gain on sale of non-core assets	(547)
Stock-based compensation for employees and directors	318	24
Decrease (increase) in deposits, prepaid expenses and other	(60)	(191)
Decrease in accounts payable and accrued liabilities	(91)	519
(Decrease) increase in post closure reclamation and remediation costs	20	27
Net cash used by operating activities	(1,748)	(1,210)
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchase and development of mining properties, land and water rights	(200)	(576)
Deposits on property, plant and equipment		152
Proceeds from sale of non-core assets	685
Increase in investments for reclamation bonds		(17)
Net cash used by investing activities	485	(441)
CASH FLOWS FROM FINANCING ACTIVITIES:
Stock proceeds, net of issuance costs		299
Net cash provided/(used) by financing activities:		299
Net (decrease) in cash, cash equivalents and restricted cash	(1,263)	(1,352)
Cash, cash equivalents and restricted cash, beginning of period	8,002	8,617
Cash, cash equivalents and restricted cash, end of period	6,739	7,265
SUPPLEMENTAL CASH FLOW INFORMATION:
Cash paid for interest, net of capitalized	(274)	(181)
NON-CASH INVESTING AND FINANCING ACTIVITIES:
Equity compensation capitalized as development	64	$ 1
Accrued portion of advance royalties	$ 500