Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Statements of Cash Flows (Unaudited)

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Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)
9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Cash flows from operating activities:    
Net loss $ (38,365,947) $ (21,727,922)
Adjustments to reconcile net loss to net cash used in operating activities:    
Stock-based compensation expense 5,659,928 4,233,511
Depreciation and amortization 338,651 191,093
Loss on foreign exchange 36,164 39,492
Deferred rent 392,846 26,754
Changes in operating assets and liabilities:    
Decrease in customer receivable 12,500,000 500,000
(Increase) decrease in prepaid expenses (26,554) 210,393
(Increase) decrease in other assets 20,837 (65,026)
Increase in accounts payable 3,654,483 517,677
Increase (decrease) in accrued expenses 2,646,852 (668,286)
Decrease in deferred revenue (2,860,191) (1,940,195)
Net cash used in operating activities (16,002,931) (18,682,689)
Cash flows from investing activities:    
Purchases of property and equipment (2,050,662) (127,246)
Net cash used in investing activities (2,050,662) (127,246)
Cash flows from financing activities:    
Principal payments on notes payable (332,861) (271,757)
Proceeds from issuance of common stock 12,042,645 41,378,762
Issuance costs paid for common stock financings (690,181) (689,023)
Principal payments on capital lease obligation (3,150) (2,835)
Net cash provided by financing activities 11,016,453 40,415,147
Net (decrease) increase in cash, cash equivalents, and restricted cash (7,037,140) 21,605,212
Cash, cash equivalents, and restricted cash at beginning of the period 62,696,486 15,192,257
Cash, cash equivalents, and restricted cash at end of the period 55,659,346 36,797,469
Supplemental disclosure of cash flow information and non-cash transactions:    
Cash paid during the period for interest 8,019 10,691
Fair value of warrant issued in connection with Investment Agreement 6,215,225
Purchases of property and equipment included in accounts payable 92,696
Write off of fully amortized leasehold improvements $ 191,244