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Consolidated Statements of Cash Flows (Unaudited) (USD $)
9 Months Ended 82 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2012
Cash flows from operating activities:      
Net income (loss) $ 13,379,619 $ 418,921 $ (34,437,195)
Adjustments to reconcile net (loss) to net cash used in operating activities:      
Depreciation and amortization expense 218,579 101,599 456,206
Non-cash derivatives (gain) losses (21,436,653) (6,559,835) 8,581,508
Non-cash interest expense       962,834
Common stock issued to 401(k) plan 60,906    102,568
Common stock issued for services 24,750 200,676 234,201
Share-based compensation expense 823,617 622,141 2,623,969
Changes in operating assets and liabilities:      
Restricted cash (86,867) (155,000) (634,750)
Prepaid expenses (22,237) (28,306) (116,208)
Other assets    (75,000) (200,000)
Accounts payable 574,072 216,862 1,141,267
Accrued interest payable       (15,256)
Accrued expenses 143,570 111,534 761,939
Net cash used in operating activities (6,320,644) (5,146,408) (20,538,917)
Cash flows from investing activities:      
Purchases of property and equipment (1,709,496) (241,995) (2,340,204)
Net cash used in investing activities (1,709,496) (241,995) (2,340,204)
Cash flows from financing activities :      
Proceeds from issuance of convertible notes payable       4,181,000
Proceeds from convertible bridge notes       500,000
Proceeds from (repayment of) loans payable 112,289 (17,353) 246,661
Principal payments on capital lease obligation (20,294) 118,057 (45,068)
Proceeds from issuance of common stock and warrants 19,124,042 10,434 33,546,137
Net cash provided by (used in) financing activities 19,216,037 111,138 38,428,730
Increase (decrease) in cash and cash equivalents 11,185,897 (5,277,265) 15,549,609
Cash and cash equivalents at beginning of period 4,363,712 8,964,194   
Cash and cash equivalents at end of period $ 15,549,609 $ 3,686,929 $ 15,549,609