Consolidated Statements of Cash Flows and Supplemental Cash Flow Information - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Operating Activities:
Net loss	$ (19,605)	$ (15,143)
Reconciliation of net loss to cash used in operations:
Accretion of asset retirement obligations	480	450
Amortization of debt discount	1,839	1,809
Amortization of convertible loan establishment fee	100	100
Loss on extinguishment of convertible debt	3,322
Decrease in restoration and reclamation accrual	(54)	(178)
Depreciation and amortization	247	336
Stock compensation expense	195	950
Common stock issued as payment of commitment fees	333
Common stock issued as payment of acquisition related costs		745
Gain on disposal/exchange of uranium properties		(4,268)
Impairment of uranium properties	1,673	960
Common stock issued for lithium property acquisition	278
(Gain)/loss on disposal of fixed assets		(18)
Loss on sale of marketable securities	116
Effect of changes in operating working capital items:
(Increase)/decrease in receivables	89	(72)
Decrease in prepaid and other current assets	53	203
Increase/(decrease) in payables, accrued liabilities and deferred credits	(1,375)	2,107
Net Cash Used In Operating Activities	(12,309)	(12,019)
Cash Flows From Investing Activities:
Acquisition of Anatolia Energy, net of cash acquired		(1,436)
Purchases of equipment	(26)	(31)
Proceeds from disposal of property, plant and equipment		2,518
Proceeds from the sale of other short-term assets	247
Release of restricted cash	62
Net Cash Provided By Investing Activities	283	1,051
Cash Flows From Financing Activities:
Payments on borrowings		(4)
Issuance of common stock, net	14,472	6,393
Payment of minimum withholding taxes on net share settlements of equity awards	(2)	(126)
Net Cash Provided By Financing Activities	14,470	6,263
Net increase/(decrease) in cash and cash equivalents	2,444	(4,705)
Cash and cash equivalents, beginning of period	865	5,570
Cash and Cash Equivalents, End of Period	3,309	865
Cash Paid During the Period for:
Interest	600
Supplemental Non-Cash Information with Respect to Investing and Financing Activities:
Common stock issued for acquisition of Anatolia Energy		14,563
Stock options issued for acquisition of Anatolia Energy		1,308
Common stock issued for payment of loan interest	304	722
Common stock issued for payment of commitment fees	523
Total Non-Cash Investing and Financing Activities for the Period	$ 827	$ 16,593