XML 17 R5.htm IDEA: XBRL DOCUMENT v3.5.0.2
CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($)
 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
CASH FLOWS FROM OPERATING ACTIVITIES    
Net loss $ (67,039,165) $ (67,594,347)
Adjustments to reconcile net loss to net cash flows used in operating activities:    
Depreciation of fixed assets 45,759 22,104
Amortization of intangible assets 38,560 22,296
Provision for doubtful accounts 2,261,568 37,163
Share-based compensation 13,385,215 4,740,906
Changes in operating assets and liabilities:    
Accounts receivable (4,245,151) (1,549,532)
Inventory (153,245) 312,054
Other current assets 379,930 (621,923)
Other assets   (15,162)
Accounts payable 1,098,245 (1,025,504)
Deferred revenue   (522,613)
Other current liabilities 703,895 2,546,138
Other long-term liabilities   1,213,874
Net cash used in operating activities (53,524,389) (62,434,546)
CASH FLOWS FROM INVESTING ACTIVITIES    
Patent costs (541,686) (117,992)
Purchase of fixed assets (307,714) (15,559)
Payment of security deposit (14,036)
Net cash used in investing activities (863,436) (133,551)
CASH FLOWS FROM FINANCING ACTIVITIES    
Proceeds from sale of common stock, net of costs 134,863,475 91,374,649
Proceeds from exercise of warrants 1,373,000 366,000
Proceeds from exercise of options 979,060 589,829
Net cash provided by financing activities 137,215,535 92,330,478
Increase in cash 82,827,710 29,762,381
Cash, beginning of period 64,706,355 51,361,607
Cash, end of period $ 147,534,065 $ 81,123,988