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 $ (4,945,529) $ (5,085,670)
Adjustments to reconcile net loss to net cash flows from operating activities:    
Depreciation and amortization 81,206 92,656
Share-based compensation 968,488 616,007
Expenses paid through the issuance of common stock 77,500 502,032
Gain from change in fair value of derivative liabilities (64,318) (48,064)
Amortization of debt issuance costs and original issue discounts 409,287 301,865
Increase (decrease) in cash resulting from changes in:    
Accounts receivable (105,911) 2,185
Inventory, net (204,171) (311,637)
Prepaid expenses and other current assets (69,130) (104,329)
Other assets 1,000
Accounts payable and accrued expenses (361,886) (270,535)
Deferred revenue 165,254 58,709
Net cash flows from operating activities (4,048,210) (4,246,781)
Cash flows from investing activities:    
Purchases of property and equipment (62,651) (24,515)
Net cash flows from investing activities (62,651) (24,515)
Cash flows from financing activities:    
Proceeds from private offering, net of offering costs 11,984,495
Proceeds from warrant exercises 531,977
Repayment of senior secured note payable (2,000,000)
Net cash flows from financing activities (1,468,023) 11,984,495
Net change in cash and cash equivalents (5,578,884) 7,713,199
Cash and cash equivalents, beginning of period 9,289,831 3,315,774
Cash and cash equivalents, end of period 3,710,947 11,028,973
Cash paid for:    
Income taxes
Interest $ 92,222 $ 146,611