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CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Operating Expenses:
Mineral property expenses	$ (576)	$ (808)	$ (1,178)	$ (1,426)
Product development expenses	(175)	(16)	(301)	(32)
General and administrative expenses	(1,659)	(1,700)	(3,438)	(3,405)
Arbitration costs	(28)	(354)	(697)	(485)
Accretion of asset retirement obligations	(32)	(30)	(138)	(156)
Depreciation and amortization	(17)	(25)	(30)	(48)
Total operating expenses	(2,487)	(2,933)	(5,782)	(5,552)
Non-Operating Income/(Expenses):
Loss on sale of marketable securities				(720)
Interest income		168		334
Other income (expense)	20	(10)	28	(11)
Total other income (expense)	20	158	28	(397)
Net Loss	(2,467)	(2,775)	(5,754)	(5,949)
Other Comprehensive Income
Transfer to realized loss upon sale of available for sale securities				90
Comprehensive Loss	$ (2,467)	$ (2,775)	$ (5,754)	$ (5,859)
BASIC AND DILUTED LOSS PER SHARE	$ (0.43)	$ (1.81)	$ (1.18)	$ (3.95)
WEIGHTED AVERAGE NUMBER OF SHARES OUTSTANDING	5,786,117	1,532,802	4,895,533	1,505,668

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