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CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) | 12 Months Ended
--- | ---
Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Cost of uranium sales: |  |  |
Operating expenses | $ 2,564,827 | $ 648,278 | $ 394,763
Accretion/amortization of restoration reserve | 85,181 | 121,183 | 155,943
Depreciation | 396,246 | 599,504 | 756,377
Writedown of uranium properties | 1,737,359 | 1,460,170 | 961,278
Exploration and land maintenance expenses | 492,858 | 17,918 | 1,646
Total cost of uranium sales | 5,276,471 | 2,847,053 | 2,270,007
Loss from operations before corporate expenses | (5,276,471) | (2,847,053) | (2,270,007)
Corporate expenses: |  |  |
General and administrative (includes stock compensation expense of $427,000, $884,000 and $1,032,000 in 2012, 2011 and 2010, respectively) | 10,399,084 | 8,400,955 | 6,911,672
Provision for legal settlement |  |  | 1,375,000
Depreciation | 160,747 | 127,741 | 143,361
Total corporate expenses | 10,559,831 | 8,528,696 | 8,430,033
Loss from operations | (15,836,302) | (11,375,749) | (10,700,040)
Other income (expense): |  |  |
Interest expense | (50,880) | (18,968) | (25,362)
Interest and other income, net | 262,809 | 195,320 | 370,835
Total other income, net | 211,929 | 176,352 | 345,473
Net loss | $ (15,624,373) | $ (11,199,397) | $ (10,354,567)
Basic and diluted net loss per common share (in dollars per share) | $ (1.28) | $ (1.20) | $ (1.43)
Average weighted shares outstanding (in shares) | 12,237,349 | 9,348,053 | 7,231,346

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