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STATEMENTS OF CASH FLOWS (USD $)
9 Months Ended12 Months Ended99 Months Ended3 Months Ended12 Months Ended
Sep. 30, 2011
Sep. 30, 2010
Dec. 31, 2010
Dec. 31, 2009
Dec. 31, 2010
Mar. 31, 2011
Pre Acquisition
Mar. 31, 2010
Pre Acquisition
Dec. 31, 2010
Pre Acquisition
Dec. 31, 2009
Pre Acquisition
CASH FLOWS FROM OPERATING ACTIVITIES:         
Net income (loss)$ (5,469,502)$ (4,098,423)$ (4,560,263)$ (6,219,873)$ (24,045,004)$ (1,010,072)$ 5,350,122$ 2,095,392$ (22,273,306)
Adjustments to reconcile net income (loss) to cash used in operating activities:         
Depreciation and amortization439,587435,917580,114576,7451,831,1972,24027,29035,34232,354
Stock-based compensation655,656331,186353,340502,1991,947,413108,378(97,479)337,298864,337
Intrinsic value of beneficial conversion feature associated with convertible debt257,973213,792213,792 213,792    
Issuance of stock for technology and services    89,520    
Impairment of intangible assets 19,67119,671 19,671    
Loss on disposal of fixed assets6,009  1,60730,468    
(Gain) loss on derivative warrants66,820    (125,490)(7,897,441)(8,118,174)12,114,371
Non-cash settlement of liquidated damages       819,000 
Changes in:         
Prepaid expenses and other current assets(224,548)20,61418,58423,152(62,914)35,483(47,574)39,39726,862
Accounts payable and accrued liabilities(331,357)(419,634)(322,707)278,131392,881(315,715)(403,760)(2,733,494)(1,354,695)
Accrued interest158,672222,748305,049 305,049    
Accrued compensation      (238,022)(245,711)5,072
Deferred rent6,0834,7659,97362,789115,311    
Deferred revenue     (8,333)(8,333)(33,333)(33,333)
Cash used in operating activities(4,434,607)(3,269,364)(3,382,447)(4,775,250)(19,162,616)(1,313,509)(3,315,197)(7,804,283)(10,618,338)
CASH FLOWS FROM INVESTING ACTIVITIES:         
Cash acquired in a business combination905,649        
Purchases of fixed assets(112,195) (1,652)(143,347)(5,368,181)   (18,000)
Proceeds from sale of fixed assets    7,000    
Purchases of short-term certificates of deposit    (5,500,730)    
Proceeds from short-term certificates of deposit    5,500,730    
Change in restricted cash500,000   (555,000)    
Payment for intangible assets    (19,671)    
Cash provided by (used in) investing activities1,293,454 (1,652)(143,347)(5,935,852)   (18,000)
CASH FLOWS FROM FINANCING ACTIVITIES:         
Proceeds from issuance of convertible notes 2,720,9852,720,985 2,720,985    
Proceeds from long-term obligations  450,000 1,677,945    
Payments on long-term obligations(675,743)(141,794)(190,789)(177,807)(552,201)    
Payments on capital lease obligations(1,549)(1,446)(1,944)(619)(2,563)    
Proceeds from issuance of common stock, net of issuance costs4,866,406   21,709,708  1,249,1388,938,884
Proceeds from exercise of warrant    250,000    
Proceeds from issuance of Series E convertible preferred stock and warrants, net        9,204,531
Repurchase of common stock    (31,667)    
Cash paid in lieu of fractional shares in a business combination(145)        
Change in deferred issuance costs(130,800)99,46199,461(99,461) (28,500)   
Proceeds from exercise of stock options      157,400158,567 
Cash provided by (used in) financing activities4,058,1692,677,2063,077,713(277,887)25,772,207(28,500)157,4001,407,70518,143,415
INCREASE (DECREASE) IN CASH AND EQUIVALENTS917,016(592,158)(306,386)(5,196,484)673,739(1,342,009)(3,157,797)(6,396,578)7,507,077
CASH AND EQUIVALENTS AT BEGINNING OF PERIOD673,739980,125980,1256,176,609 2,372,9518,769,5298,769,5291,262,452
CASH AND EQUIVALENTS AT END OF PERIOD1,590,755387,967673,739980,125673,7391,030,9425,611,7322,372,9518,769,529
SUPPLEMENTAL DISCLOSURES OF NON-CASH FINANCING ACTIVITIES         
Interest paid13,71642,88855,45468,436194,973    
Fair value of derivative warrants reclassified to additional paid-in capital upon cashless exercise48,339     2,584,397  
Issuance of common stock upon conversion of notes payable and accrued interest3,184,707        
Carrying value of redeemable preferred stock converted into common stock      4,689,593  
Fair value of assets acquired in exchange for securities in a business combination78,407        
Fair value of liabilities assumed in exchange for securities in a business combination(439,615)        
Excess of purchase price over net assets acquired in a business combination1,675,462        
Fair value of common stock issued in exchange for tender of derivative warrants        1,625,760
Exchange of Series D for Series E preferred stock        13,904,100
Relative fair value of warrants issued to stockholders       $ 504,227$ 4,835,727