CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Operating activities:
Net loss	$ (20,293,803)	$ (19,360,853)
Reconciliation of net loss to cash used in operations:
Accretion/amortization of asset retirement obligations	389,740	85,181
Amortization of debt discount and interest accrual	86,509
Change in fair value of derivative liability	107,614
Decrease in restoration and reclamation accrual	(1,638,214)	(1,767,289)
Depreciation and depletion	447,927	556,993
Impairment of uranium properties	4,094,612	1,737,359
Stock compensation expense	381,385	427,292
Other non-cash items, net	113,919	73,932
Effect of changes in operating working capital items:
(Increase) decrease in receivables	229,223	(148,465)
Increase in prepaid and other current assets	(206,673)	(88,578)
Increase (decrease) in payables, accrued liabilities and deferred credits	948,379	(116,223)
Net cash used in operating activities	(15,339,382)	(18,600,651)
Cash flows from investing activities:
Decrease in certificates of deposit, restricted	5,480,928	161,834
Additions to uranium properties	(173,588)	(1,278,745)
Acquisition of Neutron Energy, Inc.		(3,677,133)
Net cash provided by (used in) investing activities	5,307,340	(4,794,044)
Cash flows from financing activities:
Proceeds from notes payable		5,000,000
Proceeds from convertible debt	3,000,000
Payments on borrowings	(114,683)	(95,664)
Issuance of common stock, net	3,599,432	20,264,692
Net cash provided by financing activities	6,484,749	25,169,028
Net increase (decrease) in cash and cash equivalents	(3,547,293)	1,774,333
Cash and cash equivalents, beginning of year	4,664,596	2,890,263
Cash and cash equivalents, end of year	1,117,303	4,664,596
Cash paid during the year for:
Interest	11,230	14,100
Non-cash transactions:
Common stock issued to acquire Neutron Energy, Inc.		16,504,473
Common stock issued for repayment of loan	5,000,000
Common stock issued for repayment of interest	95,833
Common stock issued for services	291,500
Common stock issued for loan origination fees		160,000
Capital lease additions		106,200
Restricted stock issued for services	$ 47	$ 39