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CONDENSED CONSOLIDATED STATEMENTS OF INCOME/(LOSS) AND COMPREHENSIVE INCOME/(LOSS) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
CONDENSED CONSOLIDATED STATEMENTS OF INCOME/(LOSS) AND COMPREHENSIVE INCOME/(LOSS) [Abstract]
Revenues	$ 0	$ 0	$ 0	$ 0
Operating expense:
Exploration, property evaluation and holding costs	(1,168)	(1,306)	(2,979)	(3,265)
Corporate administration	(581)	(832)	(2,319)	(2,674)
Depreciation and amortization	(144)	(163)	(431)	(531)
Gain on disposal of mineral property, net (Note 4)			150	1,958
Write-down of value-added tax receivable		(572)		(572)
Total operating expense	(1,893)	(2,873)	(5,579)	(5,084)
Non-operating income/(expenses):
Gain on sale of marketable securities				12
Gain/(loss) on other investments (Note 3)	(234)	(624)	3,586	(1,674)
Research and development grant, net (Note 10)		4,357	744	10,220
Interest income	20	11	45	14
Other income/(expense)	24	(335)	44	(310)
Total non-operating income/(expense)	(190)	3,409	4,419	8,262
Net income/(loss)	(2,083)	536	(1,160)	3,178
Other comprehensive income
Unrealized fair value increase/(decrease) on available-for-sale securities	7	(21)	71	(48)
Comprehensive income/(loss)	$ (2,076)	$ 515	$ (1,089)	$ 3,130
Basic:
Weighted average number of basic shares outstanding (in shares)	92,543,232	82,618,766	86,135,588	82,466,677
Net income/(loss) per share, Basic	$ (0.02)	$ 0.01	$ (0.01)	$ 0.04
Diluted:
Weighted average number of diluted shares outstanding (in shares)	92,543,232	82,790,051	86,135,588	82,566,906
Net income/(loss) per share, Diluted	$ (0.02)	$ 0.01	$ (0.01)	$ 0.04

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