UNAUDITED CONSOLIDATED STATEMENTS OF INCOME/(LOSS) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Operating expense:
Exploration, property evaluation and holding costs	$ (948)	$ (946)
Corporate administration	(1,376)	(1,147)
Depreciation and amortization	(12)	(12)
Total operating expense	(2,336)	(2,105)
Non-operating income/(expense):
Loss on other investments (Note 3)	(1,129)	(624)
Interest income	10	42
Other income/(expense)	(45)	35
Total non-operating income/(expense)	(1,164)	(547)
Loss before income taxes	(3,500)	(2,652)
Net loss	$ (3,500)	$ (2,652)
Basic:
Weighted average number of shares outstanding (in shares)	100,698,124	100,323,736
Net loss per share, Basic (in dollars per share)	$ (0.03)	$ (0.03)
Diluted:
Weighted average number of shares outstanding (in shares)	100,698,124	100,323,736
Net loss per share, Diluted (in dollars per share)	$ (0.03)	$ (0.03)