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CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) | 3 Months Ended
--- | ---
Mar. 31, 2013 | Mar. 31, 2012
Cost of uranium sales |  |
Operating expenses | $ 687,217 | $ 220,408
Accretion/amortization of restoration reserve | 97,435 | 23,119
Depreciation and depletion | 75,899 | 116,322
Impairment of uranium properties | 279,429 | 268,923
Exploration and land maintenance expenses | 98,905 | 26,715
Total cost of uranium sales | 1,238,885 | 655,487
Loss from operations before corporate expenses | (1,238,885) | (655,487)
Corporate expenses- |  |
General and administrative | 2,635,236 | 3,013,136
Depreciation | 45,979 | 31,884
Total corporate expenses | 2,681,215 | 3,045,020
Loss from operations | (3,920,100) | (3,700,507)
Other income (expense): |  |
Interest expense | (239,718) | (3,547)
Interest and other income, net | 9,226 | 97,584
Net loss | $ (4,150,592) | $ (3,606,470)
Net loss per common share: |  |
Basic (in dollars per share) | $ (0.24) | $ (0.37)
Diluted (in dollars per share) | $ (0.24) | $ (0.37)
Weighted average common shares and common equivalent shares: |  |
Basic (in shares) | 17,308,089 | 9,804,690
Diluted (in shares) | 17,308,089 | 9,804,690

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