UNAUDITED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2020	Sep. 30, 2019
Cash flows from operating activities:
Net income/(loss)		$ 2,622	$ (8,194)
Adjustments to reconcile net income/(loss) for the period to net cash used in operations:
Depreciation and amortization	$ 11	34	40
Stock-based compensation		757	615
Gain on disposal of mineral property	(3,540)	(6,108)
(Gain)/Loss on other investments	(2,437)	(2,407)	1,951
Change in working capital account items:
Other current assets		292	217
Provision for environmental liability			(2)
Accounts payable, accrued liabilities and other		112	183
Net cash used in operating activities		(4,698)	(5,190)
Cash flows from investing activities:
Proceeds from sales of marketable securities		5,788
Disposition (acquisitions) of short-term investments, net		(789)	3,886
Additions to plant and equipment			(40)
Proceeds from option/sale agreements, net		3,048	1,667
Net cash provided by investing activities		8,047	5,513
Cash flows from financing activities:
Proceeds from equity financings, net		1,436
Payment of taxes from withheld shares		(124)	(76)
Proceeds from exercise of stock options		37	66
Net cash provided by (used in) financing activities		1,349	(10)
Net increase in cash and cash equivalents		4,698	313
Cash and cash equivalents, beginning of period		1,408	1,071
Cash and cash equivalents, end of period	$ 6,106	$ 6,106	$ 1,384