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Consolidated Statements of Cash Flows (Unaudited) - USD ($)
6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
CASH FLOWS FROM OPERATING ACTIVITIES:    
Net loss $ (7,911,691) $ (3,746,287)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation and amortization 38,316 32,086
Stock-based compensation 2,466,312 910,548
Changes in operating assets and liabilities:    
Accounts receivable 25,431 5,518
Deferred expense 5,184
Insurance deposit 749,454
Other current assets 155,862 19
Accounts payable 443,372 138,891
Accrued liabilities (17,112) (230,574)
Insurance reserve 26,426 262,218
Deferred revenues (10,564) 5,555
Net cash used in operating activities (5,533,102) (2,616,842)
CASH FLOWS FROM INVESTING ACTIVITIES:    
Purchase of property and equipment (1,207)
Deposits and other (5,000)
Net cash used in investing activities (6,207)
CASH FLOWS FROM FINANCING ACTIVITIES:    
Proceeds from exercise of stock options 33,825
Proceeds from notes payable 2,004,175
Principal repayment on notes payable (5,000)
Proceeds from exercise of warrants 873,403
Proceeds from stock options 71,718
Net cash provided by financing activities 2,033,000 945,121
Decrease in cash and cash equivalents (3,500,102) (1,677,928)
Cash and cash equivalents, beginning of period 10,657,140 6,764,870
Cash and cash equivalents, end of period 7,157,038 5,086,942
Supplemental disclosures of cash flow information:    
Cash paid for interest 19
Cash paid for income taxes $ 800