UNAUDITED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2020	Jun. 30, 2019
Cash flows from operating activities:
Net loss		$ (1,598)	$ (5,696)
Adjustments to reconcile net loss for the period to net cash used in operations:
Depreciation and amortization	$ 11	23	26
Stock-based compensation		592	467
Gain on disposal of mineral property	(2,568)	(2,568)
Loss on other investments	(1,099)	30	1,717
Change in working capital account items:
Other current assets		167	89
Provision for environmental liability			(2)
Accounts payable, accrued liabilities and other		88	8
Net cash used in operating activities		(3,266)	(3,391)
Cash flows from investing activities:
Proceeds from sales of marketable securities		954
Disposition (acquisitions) of short-term investments, net		(34)	1,988
Additions to plant and equipment			(40)
Proceeds from option/sale agreements, net		2,400	1,667
Net cash provided by investing activities		3,320	3,615
Cash flows from financing activities:
Proceeds from equity financings, net		807
Payment of taxes from withheld shares		(97)	(46)
Proceeds from exercise of stock options		37	66
Net cash provided by financing activities		747	20
Net increase in cash and cash equivalents		801	244
Cash and cash equivalents, beginning of period		1,408	1,071
Cash and cash equivalents, end of period	$ 2,209	$ 2,209	$ 1,315