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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

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