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Condensed Consolidated Statements Of Cash Flows (USD $)
9 Months Ended
Sep. 30, 2011
Sep. 30, 2010
Operating activities:  
Net loss$ (19,241,213)$ (5,583,745)
Adjustments to reconcile net loss to net cash flows from operating activities:  
Depreciation and amortization989,613938,634
Derivative gain(3,032,106)(5,065,909)
Stock-based compensation expense1,006,6141,115,069
Intangible license impairment 243,648
Gain on settlement (382,800)
Changes in assets and liabilities:  
Accounts receivable(1,021,409)689,770
Prepaid expenses and other assets(13,157)46,657
Accounts payable and accrued expenses2,372,321(217,176)
Deferred revenue15,133690,253
Income tax payable (312,128)
Net cash flows used in operating activities(18,924,204)(7,837,727)
Investing activities:  
Purchase of equipment(214,616)(103,044)
Purchase of intangible assets (1,000,000)
Net cash flows from investing activities(214,616)(1,103,044)
Financing activities:  
Proceeds from issuance of common stock13,996,7739,747,500
Proceeds from exercise of stock options349,67697,882
Proceeds from exercise of warrants1,749,259 
Change in amounts due to related parties(46,127)(2,622,311)
Net cash flows from financing activities16,049,5817,223,071
Net change in cash and cash equivalents(3,089,239)(1,717,700)
Cash and cash equivalents at beginning of period18,208,65923,873,403
Cash and cash equivalents at end of period$ 15,119,420$ 22,155,703