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CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($)
 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
CASH FLOWS FROM OPERATING ACTIVITIES    
Net loss $ (48,121,702) $ (20,082,378)
Adjustments to reconcile net loss to net cash flows used in operating activities:    
Depreciation 14,248 15,591
Amortization of intangible assets 13,604 11,570
Provision for doubtful accounts 30,767 1,393
Stock based compensation 2,052,549 2,268,599
Amortization of deferred financing costs   260,027
Stock based expense for services 916,262 481,024
Changes in operating assets and liabilities:    
Accounts receivable (1,190,068) (475,378)
Inventory (66,606) (409,376)
Other current assets 383,194 (460,512)
Other assets (12,410) (18,392)
Accounts payable (508,511) 216,040
Deferred revenue (522,613) (314,784)
Accrued expenses and other current liabilities 2,047,264 $ (271,771)
Other long-term liabilities 967,286  
Net cash flows used in operating activities (43,996,736) $ (18,778,347)
CASH FLOWS FROM INVESTING ACTIVITIES    
Patent costs (78,792) (213,089)
Purchase of property and equipment $ (15,559) (30,962)
Refund of security deposits   10,686
Net cash flows used in investing activities $ (94,351) (233,365)
CASH FLOWS FROM FINANCING ACTIVITIES    
Proceeds from sale of common stock, net of costs 59,117,827  
Proceeds from exercise of options 491,351 287,288
Proceeds from exercise of warrants 366,000 87,000
Net cash flows provided by financing activities 59,975,178 374,288
Increase (decrease) in cash 15,884,091 (18,637,424)
Cash, beginning of period 51,361,607 54,191,260
Cash, end of period $ 67,245,698 $ 35,553,836