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v3.23.1

Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) | 3 Months Ended
--- | ---
Mar. 31, 2023 | Mar. 31, 2022
Cash flows from operating activities: |  |
Net loss | $ (5,591,365) | $ (10,474,332)
Adjustments to reconcile net loss to net cash used in operating activities: |  |
Depreciation and amortization | 192,678 | 173,989
Recognition of deferred revenue |  | (125,000)
Stock-based compensation | 338,708 | 994,614
Realization of deferred income tax asset | 1,567,026 | 1,383,446
Amortization of deferred finance charges and debt discount associated with notes payable | 44,693 | 45,315
Net changes in: |  |
Accrued interest on investment securities | 12,577 | 93,198
Advances, deposits, and other current assets | (11,204) | 27,256
Accounts payable and accrued liabilities | (638,791) | (95,006)
Net cash used in operating activities | (4,085,678) | (7,976,520)
Cash flows from investing activities: |  |
Purchases of investment securities | (3,423,572) | (2,966,723)
Proceeds from sale and maturity of investment securities | 4,000,000 | 19,775,000
Purchases of property and equipment | (57,142) | (55,890)
Net cash provided by investing activities | 519,286 | 16,752,387
Cash flows from financing activities: |  |
Proceeds from redeemable convertible preferred stock offering |  | 28,500,000
Payment upon redemption of redeemable convertible preferred stock |  | (28,500,000)
Proceeds from sale of common stock equity, net of issuance costs | 2,474,364 |
Net cash provided by financing activities | 2,474,364 |
Net change in cash, cash equivalents and restricted cash | (1,092,028) | 8,775,867
Cash, cash equivalents and restricted cash at beginning of period | 17,492,841 | 25,586,272
Cash, cash equivalents and restricted cash at end of period | 16,400,813 | 34,362,139
Supplemental disclosures of cash flow information: |  |
Interest paid | (112,459) | (4,211,856)
Recognition of Right Use Asset and Liability | 1,405,310 |
Cash paid for amounts included in measurement of lease liabilities: |  |
Operating cash flows for lease payments | 166,705 | 149,573
Realized and unrealized gains (losses), net, on investment securities | $ 97,383 | $ (51,004)

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