Condensed Consolidated Statements of Cash Flows (USD $)	3 Months Ended		12 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Dec. 31, 2013
Operating activities:
Net loss	$ (3,460,037)	$ (4,473,447)
Reconciliation of net loss to cash used in operations:
Accretion/amortization of asset retirement obligations	79,179	97,435	389,740
Amortization of debt discount	242,854
Unrealized gain - derivative liability	(653,768)
Decrease in restoration and reclamation accrual	(209)	(489,153)
Depreciation	100,905	121,878
Impairment of uranium properties		279,429
Stock compensation expense	116,688	244,985
Effect of changes in operating working capital items:
(Increase) decrease in receivables	(244,598)	276,801
Increase in prepaid and other current assets	(181,868)	(21,534)
Increase in payables, accrued liabilities and deferred credits	251,373	76,474
Net cash used in operating activities	(3,749,481)	(3,887,132)
Cash flows from investing activities:
Restricted cash		(5,632)
Additions to uranium properties		(15,726)
Net cash used in investing activities		(21,358)
Cash flows from financing activities:
Proceeds from convertible loan	2,000,000
Payments on borrowings	(4,263)	(39,770)
Issuance of common stock, net	11,248,711	3,633,883
Net cash provided by financing activities	13,244,448	3,594,113
Net increase (decrease) in cash and cash equivalents	9,494,967	(314,377)
Cash and cash equivalents, beginning of period	1,117,303	4,664,596	4,664,596
Cash and cash equivalents, end of period	10,612,270	4,350,219	1,117,303
Cash paid during the period for:
Interest	5,751	2,970
Non-cash transactions:
Common stock issued for payment of convertible loan fees and interest	363,083
Common stock issued for repayment of short-term loan principal and interest		5,095,832
Common stock issued for services		291,500	291,500
Restricted stock issued for services		$ 47