CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) |
9 Months Ended | 12 Months Ended | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Sep. 30, 2017 |
Sep. 30, 2016 |
Dec. 31, 2016 |
Dec. 31, 2015 |
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Cash flows from operating activities: | ||||||||||||||||
Net loss | $ (2,466,114) | $ (2,057,625) | $ (3,178,093) | $ (4,841,161) | ||||||||||||
Adjustments to reconcile net loss to net cash used in operating activities: | ||||||||||||||||
Depreciation | 6,801 | 11,505 | 14,916 | 9,953 | ||||||||||||
Loss on disposal of fixed assets | 138 | |||||||||||||||
Stock-based compensation expense | 456,507 | 544,823 | 706,368 | 414,343 | ||||||||||||
Amortization of warrants and stock issued for services | 20,000 | [1] | 51,539 | [1] | 51,538 | [2],[3] | 585,111 | [2],[3] | ||||||||
Change in fair value of conversion rights of preferred stock | (88,532) | 82,872 | ||||||||||||||
Change in fair value of warrant liability | (320,495) | (1,584,969) | (1,342,651) | (481,610) | ||||||||||||
Warrant issued for services | 55,900 | |||||||||||||||
Common stock issued for services | 187,550 | 50,000 | ||||||||||||||
Changes in assets and liabilities: | ||||||||||||||||
Restricted cash | 33,072 | (37,500) | ||||||||||||||
Prepaid expenses | (73,326) | [1] | (119,361) | [1] | (40,323) | [2] | (65,341) | [2] | ||||||||
Deposits and other assets | 9,594 | (25,290) | ||||||||||||||
Other current assets | 831 | 7,500 | 29,112 | 454 | ||||||||||||
Accounts payable | 715,473 | 262,016 | 149,293 | [3] | (274,142) | [3] | ||||||||||
Accrued payroll and related expenses | 278,161 | 25,534 | 121,069 | 702 | ||||||||||||
Accrued license and patent reimbursement fees | 80,893 | (17,500) | (97,500) | (21,928) | ||||||||||||
Stock subscription liability | (100,000) | |||||||||||||||
Accrued expenses and other liabilities | 14,342 | (96,497) | (130,728) | 104,475 | ||||||||||||
Net cash used in operating activities | (1,154,699) | (2,890,163) | (3,552,941) | (3,727,989) | ||||||||||||
Cash flows from investing activities: | ||||||||||||||||
Purchases of property and equipment | (11,116) | (11,117) | (1,982) | |||||||||||||
Net cash used in investing activities | (11,116) | (11,117) | (1,982) | |||||||||||||
Cash flows from financing activities: | ||||||||||||||||
Proceeds from common stock issuance, net of $3,920 issuance costs | 721,021 | |||||||||||||||
Proceeds from preferred stock issuance | 1,131,857 | |||||||||||||||
Net cash provided by financing activities | 1,131,857 | 407,669 | 6,743,850 | |||||||||||||
Net increase (decrease) in cash and cash equivalents | (22,842) | (2,901,279) | (3,156,389) | 3,013,879 | ||||||||||||
Cash and cash equivalents, beginning of period | 64,820 | 3,221,209 | 3,221,209 | 207,330 | ||||||||||||
Cash and cash equivalents, end of period | 41,978 | 319,930 | 64,820 | 3,221,209 | ||||||||||||
Cash paid during the period for: | ||||||||||||||||
Interest | 0 | $ 0 | 0 | 0 | ||||||||||||
Income taxes | $ 1,631 | 1,716 | ||||||||||||||
Supplemental disclosures of non-cash financing activities: | ||||||||||||||||
Conversion of outstanding preferred stock into common stock | 114,000 | 1,450,000 | ||||||||||||||
Conversion of outstanding preferred stock subject to redemption into common stock | 469,000 | 580,000 | ||||||||||||||
Series A Preferred stock | ||||||||||||||||
Adjustments to reconcile net loss to net cash used in operating activities: | ||||||||||||||||
Change in fair value of conversion rights of preferred stock | 0 | 986,000 | ||||||||||||||
Cash flows from financing activities: | ||||||||||||||||
Proceeds from preferred stock issuance | 0 | 1,430,300 | ||||||||||||||
Series B Preferred Stock | ||||||||||||||||
Adjustments to reconcile net loss to net cash used in operating activities: | ||||||||||||||||
Change in fair value of conversion rights of preferred stock | 48,564 | 17,945 | ||||||||||||||
Cash flows from financing activities: | ||||||||||||||||
Proceeds from preferred stock issuance | 0 | 4,592,529 | ||||||||||||||
Series C Preferred Stock | ||||||||||||||||
Cash flows from financing activities: | ||||||||||||||||
Proceeds from preferred stock issuance | $ 407,669 | [4] | $ 0 | |||||||||||||
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