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v3.21.2

Condensed Statements of Cash Flows (unaudited) - USD ($) | 6 Months Ended
--- | ---
Jun. 30, 2021 | Jun. 30, 2020
Cash flows from operating activities: |  |
Net loss | $ (16,824,520) | $ (4,448,984)
Adjustments to reconcile net loss to net cash used for operations: |  |
Depreciation | 176,597 | 191,134
Stock-based compensation | 989,415 | 887,842
Issuance of common stock, licensing agreement | 5,000,000 | 0
Amortization of debt issuance costs and discount | 81,571 | 0
PIK interest | 93,397 | 0
Loss on sale of fixed assets | 263 | 0
Changes in operating assets and liabilities: |  |
Prepaid assets and deposits | 37,496 | 41,952
Accounts payable | 438,018 | (59,025)
Accrued expenses | (124,940) | 26,189
Non-cash operating lease, net | (6,550) | (28,754)
Net cash used for operating activities | (10,139,253) | (3,389,646)
Cash flows from investing activities: |  |
Purchases of property and equipment | (57,897) | (66,589)
Proceeds from sale of property and equipment | 500 | 0
Net cash used for investing activities | (57,397) | (66,589)
Cash flows from financing activities: |  |
Proceeds from exercise of common stock warrants | 11,257 | 0
Proceeds from exercise of employee stock options | 36,859 | 0
Proceeds from employee stock purchases | 25,817 | 23,897
Proceeds from follow-on offering, net of underwriting discounts and offering costs | 25,768,493 | 0
Proceeds from note payable, net of debt issuance costs and discount of $652,061 | 14,347,939 | 0
Gross proceeds from an ATM offering | 38,962 | 154,142
Payments for secondary registration statement costs | (29,065) | (23,367)
Payments for finance leases | (2,900) | (2,880)
Net cash provided by financing activities | 40,197,362 | 151,792
Net change in cash and cash equivalents | 30,000,712 | (3,304,443)
Cash and cash equivalents: |  |
Beginning of period | 11,637,911 | 18,735,002
End of period | 41,638,623 | 15,430,559
Supplemental disclosures of non-cash investing and financing activities: |  |
Offering and registration statement costs included in accounts payable and accrued expenses | 96,111 | 0
Issuance of common stock warrants and final fee recognized as discount to note payable | $ 964,839 | $ 0

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