Condensed Consolidated Statements of Operations and Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Operating Expenses:
Mineral property expenses	$ (731)	$ (809)
General and administrative	(2,145)	(2,095)
Accretion of asset retirement obligations	(120)	(112)
Depreciation and amortization	(82)	(85)
Total operating expenses	(3,078)	$ (3,101)
Non-Operating Income/(Expenses):
Loss on sale of marketable securities	(116)
Interest expense	(743)	$ (675)
Commitment fees	(333)
Other income/(expense), net	(3)	$ 15
Total other expense	(1,195)	(660)
Net Loss	(4,273)	$ (3,761)
Other Comprehensive Loss
Unrealized fair value decrease on available-for-sale securities	(49)
Transfer to realized loss upon sale of available-for-sale securities	116
Comprehensive Loss	$ (4,206)	$ (3,761)
BASIC AND DILUTED LOSS PER SHARE	$ (0.86)	$ (1.70)
WEIGHTED AVERAGE NUMBER OF SHARES OUTSTANDING	4,967,896	2,212,933