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Consolidated Statements of Cash Flows (Unaudited) (USD $) | 3 Months Ended | 166 Months Ended
--- | --- | ---
Mar. 31, 2014 | Mar. 31, 2013 | Mar. 31, 2014
Cash Flows From Operating Activities: |  |  |
Net loss | $ (16,699,497) | $ (689,027) | $ (83,216,752)
Adjustments to reconcile net loss to net cash used in operating activities: |  |  |
Stock-based compensation expense | 1,750,926 | 94,200 | 8,460,774
Depreciation expense | 1,405 |  | 3,265,427
Loss on disposition of equipment |  | 4,122 | 554,308
Amortization of debt discount |  |  | 900,000
Amortization of deferred financing costs |  |  | 292,692
Gain on extinguishment of liability |  |  | (260,000)
Loss (gain) on change in fair value of derivative liabilities | 12,561,071 | (1,334,512) | 16,041,077
(Increase) decrease in: |  |  |
Prepaid expenses and other current assets | (449,522) | (50,000) | (370,086)
Increase (decrease) in: |  |  |
Accounts payable and accrued expenses | 236,317 | (437,121) | 957,001
Accounts payable and accrued expenses - related party | 108,352 |  | 189,537
Net Cash Used In Operating Activities | (2,490,948) | (2,312,338) | (53,186,022)
Cash Flows From Investing Activities: |  |  |
Payment made for patent rights |  |  | (3,000,000)
Purchase of property and equipment | (1,699) | (1,112) | (833,950)
Net Cash Used In Investing Activities | (1,699) | (1,112) | (3,833,950)
Cash Flows From Financing Activities: |  |  |
Borrowings on convertible debt, net of offering costs |  |  | 645,888
Sales of stock, net of offering costs | 2,871,477 |  | 58,945,832
Proceeds from the exercise of options | 5,220 |  | 18,273
Proceeds from the exercise of warrants | 23,709 |  | 3,491,104
Payments on note payable | (63,344) | (65,333) | (203,344)
Net Cash Provided By (Used in) Financing Activities | 2,837,062 | (65,333) | 62,897,753
Net change in cash | 344,415 | (2,378,783) | 5,877,781
Cash at beginning of period | 5,533,366 | 5,618,669 |
Cash at end of period | 5,877,781 | 3,239,886 | 5,877,781
Supplemental disclosures of cash flows information: |  |  |
Cash paid for interest |  | 561 | 1,243
Cash paid for taxes |  |  |
Supplemental disclosure of non-cash investing and financing activities: |  |  |
Beneficial conversion feature discount |  |  | 372,850
Insurance prepaid through premium finance |  |  | 297,825
Fair value of warrants issued with debt |  |  | 377,150
Fair value of warrants issued with stock |  |  | 5,985,238
Fair value of warrants issued to the placement agent |  |  | 2,170,282
Conversion of notes payable and accrued interest to stock |  |  | 981,729
Transfer warrant derivatives from liability to equity classification | $ 139,565 |  | $ 5,417,984

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- Definition The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585 + Details
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- Definition The cash inflow from additional borrowings, net of cash paid to third parties in connection with debt origination. + References No definition available. + Details
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- Definition Proceeds from issuance of capital stock which provides for a specific dividend that is paid to the shareholders before any dividends to common stockholders and which takes precedence over common stockholders in the event of liquidation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3255-108585 + Details
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- Definition The cash inflow associated with the amount received from holders exercising their stock options. This item inherently excludes any excess tax benefit, which the entity may have realized and reported separately. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (j) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3255-108585 + Details
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- Definition The cash inflow associated with the amount received from holders exercising their stock warrants. + References No definition available. + Details
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- Definition The cash outflow for a borrowing supported by a written promise to pay an obligation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + Details
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