Quarterly report pursuant to Section 13 or 15(d)

Consolidated Statements of Cash Flows (Unaudited)

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Consolidated Statements of Cash Flows (Unaudited) - USD ($)
6 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Cash Flows From Operating Activities:    
Net loss $ (11,186,127) $ (15,115,291)
Adjustments to reconcile net loss to net cash used in operating activities:    
Stock-based compensation expense 1,005,764 2,172,279
Depreciation expense 24,780 35,255
Loss on change in fair value of derivative liabilities 106,403
(Increase) decrease in:    
Prepaid expenses and other current assets (130,712) 826,824
Increase (decrease) in:    
Accounts payable and accrued expenses 616,131 (590,295)
Accounts payable and accrued expenses-related party 50,000
Net Cash Used In Operating Activities (9,670,164) (12,514,825)
Cash Flows From Investing Activities:    
Purchase of property and equipment (26,811) (16,710)
Net Cash Used In Investing Activities (26,811) (16,710)
Cash Flows From Financing Activities:    
Sales of shares of common stock and warrants, net of offering costs 13,810,737 3,824,605
Proceeds from exercise of warrants 900  
Net Cash Provided By Financing Activities 13,811,637 3,824,605
Net change in cash, cash equivalents, and restricted cash 4,114,662 (8,706,930)
Cash, cash equivalents, and restricted cash at beginning of period 17,790,576 20,554,027
Cash, cash equivalents, and restricted cash at end of period 21,905,238 11,847,097
Supplemental disclosures of cash flow information:    
Cash paid for interest
Cash paid for taxes