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v3.20.1

Consolidated Statements of Cash Flow - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018
Operating activities: |  |
Net loss | $ (11,799,379) | $ (18,369,810)
Adjustments to reconcile net loss to net cash used in operating activities: |  |
Depreciation | 97,915 | 110,371
Stock-based compensation expense | 515,762 | 1,221,591
Common stock issued for advisory services |  | 50,000
Change in deferred income taxes | 332,885 | (437,289)
Goodwill impairment |  | 6,929,258
Changes in operating assets and liabilities: |  |
Prepaid expenses, deposits and other assets | 426,774 | (1,102)
Accounts payable, accrued expenses and other liabilities | 567,668 | (275,835)
Net cash used in operating activities | (9,858,375) | (10,772,816)
Cash flows provided by financing activities: |  |
Proceeds from sale of common stock, pre-funded warrants and warrants | 12,318,956 | 10,846,062
Proceeds from the exercise of common stock warrants and pre-funded warrants | 3,888,425 |
Repayment of convertible debt |  | (550,000)
Payment of offering costs | (162,829) | (428,542)
Net cash provided by financing activities | 16,044,552 | 9,867,520
Net increase (decrease) in cash and cash equivalents | 6,186,177 | (905,296)
Cash and cash equivalents at beginning of year | 7,991,172 | 8,896,468
Cash and cash equivalents at end of year | 14,177,349 | 7,991,172
Supplemental disclosure of cash flow information: |  |
Cash paid for interest |  | 40,142
Supplemental disclosure of non-cash investing and financing activities: |  |
Offering costs in accounts payable and accrued expenses | 238,232 |
Operating lease right of use asset and liability | 334,205 |
Reclassification of accrued dividends related to the issuance of common stock to Series A convertible preferred stock holders |  | 1,148,307
Series A cumulative preferred dividends |  | $ 85,993

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