Quarterly report pursuant to sections 13 or 15(d)

Condensed Statements of Cash Flows (Unaudited)

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Condensed Statements of Cash Flows (Unaudited) (USD $)
 9 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Cash flows from operating activities:    
Net loss $ (5,370,492) $ (6,835,661)
Adjustments to reconcile net loss to net cash flows from operating activities:    
Depreciation and license amortization 346,183 309,987
Share-based compensation 1,003,028 1,651,280
Expenses paid through the issuance of common stock 101,683  
(Gain) loss on change in fair value of derivative liability (1,328,112) 1,694,177
Gain on negotiated reductions in accounts payable and other accrued expenses (382,263)  
Loss on loan modification 1,356,177  
Amortization and write-off of debt issuance costs and original issue discounts 94,732 2,056,552
Increase (decrease) in cash resulting from changes in:    
Accounts receivable (342,274) 215,526
Inventory (355,709) (237,057)
Prepaid expenses and other current assets (54,126) (110,100)
Other assets (2,125) 16,581
Accounts payable and accrued expenses (678,042) (2,018,300)
Deferred revenue (652,460) (1,950,000)
Net cash flows from operating activities (6,263,800) (5,207,015)
Cash flows from investing activities:    
Purchases of property and equipment (73,645) (93,256)
Acquisition of license (100,000)  
Net cash flows from investing activities (173,645) (93,256)
Cash flows from financing activities:    
Proceeds from issuance of convertible notes payable, net of issuance costs   3,424,950
Proceeds from private placement, net of issuance costs 9,829,014 5,516,495
Proceeds from warrant exercise 19,625 600
Net cash flows from financing activities 9,848,639 8,942,045
Net change in cash and cash equivalents 3,411,194 3,641,774
Cash and cash equivalents, beginning of period 1,620,005 145,478
Cash and cash equivalents, end of period 5,031,199 3,787,252
Cash paid for:    
Income taxes      
Interest $ 10,709 $ 26,274