Quarterly report pursuant to Section 13 or 15(d)

Statements of Cash Flows (Unaudited)

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Statements of Cash Flows (Unaudited) (USD $)
 3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Cash flows from operating activities:    
Net loss $ (1,640,884) $ (1,589,960)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation and amortization 6,487 20,972
Stock-based compensation expense 5,545 7,615
Changes in operating assets and liabilities:    
Accounts receivable, net 21,550 14,365
Inventory, net 22,500 6,912
Prepaid expenses and other current assets 71,574 61,376
Accounts payable and accrued expenses (102,581) (75,306)
Deferred revenue 31,561 (26,875)
Net cash used in operating activities (1,584,248) (1,580,901)
Cash flows from investing activities:    
Purchase of property and equipment (18,889)  
Net cash used in investing activities (18,889)  
Cash flows from financing activities:    
Payments on short-term notes payable (34,419) (30,733)
Restricted cash released    35,992
Net cash (used in) provided by financing activities (34,419) 5,259
Net decrease in cash and cash equivalents (1,637,556) (1,575,642)
Cash and cash equivalents at beginning of period 16,276,510 9,925,967
Cash and cash equivalents at end of period 14,638,954 8,350,325
Supplemental disclosure of cash flow information:    
Interest paid 599 982
Non-cash investing and financing activities:    
Borrowings under short term notes payable for prepaid expense 50,694 50,037
Par value of common stock issued for cashless exercise of warrants $ 135 $ 106