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 $)
 6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Cash flows from operating activities:    
Net loss $ (2,175,680) $ (4,074,368)
Adjustments to reconcile net loss to net cash flows from operating activities:    
Depreciation and license amortization 231,368 212,670
Share-based compensation 642,591 1,137,561
Expenses paid through the issuance of common stock 66,767  
(Gain) loss on change in fair value of derivative liability (2,578,969) 26,545
Gain on negotiated reduction in accounts payable (382,263)  
Loss on loan modification 1,356,177  
Amortization and write-off of debt issuance costs and original issue discounts 53,553 2,057,649
Increase (decrease) in cash resulting from changes in:    
Accounts receivable 4,728 231,732
Inventory (259,033) (107,777)
Prepaid expenses and other current assets (24,432) (56,435)
Other assets   1,281
Accounts payable and accrued expenses (676,544) (1,380,990)
Deferred revenue (686,938) (1,300,000)
Net cash flows from operating activities (4,428,675) (3,252,132)
Cash flows from investing activities:    
Purchases of property and equipment (55,844) (84,861)
Net cash flows from investing activities (55,844) (84,861)
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  
Deposits received for July 2012 offering   989,520
Proceeds from warrant exercise 13,375  
Net cash flows from financing activities 9,842,389 4,414,470
Net change in cash and cash equivalents 5,357,870 1,077,477
Cash and cash equivalents, beginning of period 1,620,005 145,478
Cash and cash equivalents, end of period 6,977,875 1,222,955
Cash paid for:    
Income taxes      
Interest $ 8,798 $ 11,479