CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Operating Expenses:
Mineral property expenses	$ (824)	$ (969)	$ (1,458)	$ (1,751)
General and administrative expenses	(2,054)	(2,054)	(3,890)	(3,859)
Acquisition costs		422		(333)
Accretion of asset retirement obligations	(30)	(134)	(156)	(268)
Depreciation and amortization	(25)	(33)	(48)	(67)
Impairment of uranium properties		(17,968)		(17,968)
Total operating expenses	(2,933)	(20,736)	(5,552)	(24,246)
Non-Operating Income/(Expenses):
Loss on sale of marketable securities			(720)	(93)
Gain on sale of fixed assets	1	8	1	8
Interest income	168	172	334	346
Other income (expense)	(11)	99	(12)	109
Total other (expense)/income	158	279	(397)	370
Net Loss	(2,775)	(20,457)	(5,949)	(23,876)
Other Comprehensive Income (Loss)
Unrealized fair value increase (decrease) on marketable securities		(26)		(1,056)
Transfer to realized loss upon sale of available-for-sale securities		93	90	93
Comprehensive Loss	$ (2,775)	$ (20,483)	$ (5,859)	$ (24,839)
BASIC AND DILUTED LOSS PER SHARE	$ (1.81)	$ (25.63)	$ (3.95)	$ (35.14)
WEIGHTED AVERAGE NUMBER OF SHARES OUTSTANDING	1,532,802	798,200	1,505,668	679,438