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CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($)
 9 Months Ended
Sep. 30, 2015
Sep. 30, 2014
CASH FLOWS FROM OPERATING ACTIVITIES    
Net loss $ (67,594,347) $ (37,914,629)
Adjustments to reconcile net loss to net cash flows used in operating activities:    
Depreciation 22,104 22,713
Amortization of intangible assets 22,296 17,196
Provision for doubtful accounts 37,163 2,594
Stock based compensation 4,740,906 3,934,836
Amortization of deferred financing costs   260,027
Changes in operating assets and liabilities:    
Accounts receivable (1,549,532) (460,565)
Inventory 312,054 31,673
Other current assets (621,923) 197,569
Other assets (15,162) (17,069)
Accounts payable (1,025,504) 3,534,462
Deferred revenue (522,613) (754,431)
Other current liabilities 2,546,138 909,890
Long term accrued expenses 1,213,874  
Net cash flows used in operating activities (62,434,546) (30,235,734)
CASH FLOWS FROM INVESTING ACTIVITIES    
Patent costs (117,992) (193,349)
Purchase of property and equipment (15,559) (30,962)
Net cash flows used in investing activities (133,551) (224,311)
CASH FLOWS FROM FINANCING ACTIVITIES    
Proceeds from sale of common stock, net of costs 91,374,649 42,771,353
Proceeds from exercise of options 589,829 315,546
Proceeds from exercise of warrants 366,000 181,000
Net cash flows provided by financing activities 92,330,478 43,267,899
Increase in cash 29,762,381 12,807,854
Cash, beginning of period 51,361,607 54,191,260
Cash, end of period $ 81,123,988 $ 66,999,114