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Condensed Statements of Cash Flows (USD $)
 9 Months Ended 56 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2012
Cash flows from operating activities:      
Net loss $ (3,016,650) $ (2,389,581) $ (7,506,888)
Adjustments to reconcile net loss to net cash used in operating activities:      
Common stock issued or issuable for services 119,252 1,016,638 1,473,133
Share based payments 115,443 139,449 302,539
Depreciation 59,908 17,965 118,157
Deferred rent 17,672 0 35,147
Change in operating assets and liabilities:      
Prepaid expenses 322,917 (136,020) (114,045)
Other assets 10,000 (63,294) (10,512)
Accounts payable 155,530 273,388 651,981
Accrued compensation 301,540 132,863 670,664
Net cash used in operating activities (1,914,388) (1,008,592) (4,379,824)
Cash flows from investing activities:      
Acquisition of fixed assets (286,312) (80,245) (485,499)
Disbursements for patents and other intangible assets (241,350) 0 (327,896)
Net cash used in investing activities (527,662) (80,245) (813,395)
Cash flows from financing activities:      
Proceeds from issuance of common stock for cash, net of offering costs 11,200,082 2,836,338 14,881,213
Proceeds from issuance of short term promissory note 98,250 0 98,250
Principal payments on promissory notes (145,917) 0 (145,917)
Net cash provided by financing activities 11,152,415 2,836,338 14,833,546
Net increase in cash and cash equivalents 8,710,365 1,747,501 9,640,327
Cash and cash equivalents, beginning of period 929,962 25 0
Cash and cash equivalents, end of period 9,640,327 1,747,526 9,640,327
Supplemental disclosure of cash flow information:      
Cash paid during the period for interest $ 1,498 $ 0 $ 1,498