Consolidated Statements of Operations - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Operating Expenses:
Mineral property expenses	$ (4,470)	$ (3,502)
General and administrative	(7,488)	(9,132)
Acquisition related expenses	(3,048)
Accretion of asset retirement obligations	(450)	(425)
Depreciation and amortization	(336)	(331)
Impairment of uranium properties	(960)	(160)
Total operating expenses	$ (16,752)	(13,550)
Non-Operating Income/(Expenses):
Gain on derivatives		2,919
Interest expense	$ (2,645)	(2,368)
Gain on disposal/exchange of uranium properties	4,268	2,313
Other income/(expense), net	(14)	2
Total other income	1,609	2,866
Net Loss	(15,143)	$ (10,684)
Other Comprehensive Loss
Unrealized fair value decrease on available-for-sale securities	(67)
Comprehensive Loss	$ (15,210)	$ (10,684)
BASIC AND DILUTED LOSS PER SHARE	$ (5.63)	$ (5.28)
WEIGHTED AVERAGE NUMBER OF SHARES OUTSTANDING	2,690,559	2,023,533