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v3.23.2

Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) | 6 Months Ended
--- | ---
Jun. 30, 2023 | Jun. 30, 2022
Cash flows from operating activities: |  |
Net loss | $ (11,150,230) | $ (16,517,269)
Adjustments to reconcile net loss to net cash used in operating activities: |  |
Depreciation | 108,482 | 81,371
Amortization of right-of-use assets | 272,675 | 260,583
Recognition of deferred revenue |  | (250,000)
Realized and unrealized gains (losses), net, on investment securities | 135,551 | (62,060)
Stock-based compensation | 529,027 | 1,486,522
Realization of deferred income tax asset | 1,567,026 | 1,383,446
Loss on extinguishment of debt | 329,158 |
Amortization of deferred finance charges and debt discount associated with notes payable | 55,122 | 90,630
Net changes in: |  |
Accrued interest receivable on investment securities | 48,443 | 79,116
Advances, deposits, and other current assets | 138,352 | (195,429)
Accounts payable and accrued liabilities | (2,811,064) | 193,984
Net cash used in operating activities | (10,777,458) | (13,449,106)
Cash flows from investing activities: |  |
Purchases of investment securities | (3,645,540) | (8,343,385)
Proceeds from sale and maturity of investment securities | 7,500,000 | 22,775,000
Purchases of property and equipment | (211,412) | (166,022)
Net cash provided by investing activities | 3,643,048 | 14,265,593
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 | 2,672,926 | 6,339,369
Payoff of the SVB loan and accrued end-of-term fees | (6,420,000) |
Net cash (used in) provided by financing activities | (3,747,074) | 6,339,369
Net change in cash, cash equivalents and restricted cash | (10,881,484) | 7,155,856
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 | 6,611,357 | 32,742,128
Supplemental disclosures of cash flow information: |  |
Interest paid | (179,542) | (4,267,107)
Recognition of right of use asset and liability | 1,405,310 |
Cash paid for amounts included in measurement of lease liabilities: |  |
Operating cash flows for lease payments | $ 340,457 | $ 299,947

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