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v3.22.4

Consolidated Statements of Cash Flows - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021
Operating Activities: |  |
Net loss | $ (30,598,469) | $ (26,989,781)
Adjustments to reconcile net loss to net cash used in operating activities: |  |
Depreciation and amortization | 936,084 | 945,367
Amortization of operating lease right-of-use assets | 253,864 | 199,793
Loss on disposal of fixed assets | 0 | 26,166
Stock based compensation | 3,114,659 | 2,670,297
Stock-based compensation in relation to modification of options | 0 | 2,450,349
Changes in operating assets and liabilities: |  |
Prepaid expenses | 433,995 | (295,189)
Accounts receivable | (72,609) | (12,510)
Other current assets | 351,514 | (202,801)
Deferred revenue | 9,987,488 | 12,512
Accounts payable and accrued liabilities | 548,611 | 522,220
Management and directors' fees payable | (184) | 16,129
Operating lease liabilities | (232,695) | (196,471)
Net Cash Used In Operating Activities | (15,277,742) | (20,853,919)
Investing Activities: |  |
Purchases of property and equipment | (1,570,182) | (973,559)
Net Cash Used In Investing Activities | (1,570,182) | (973,559)
Financing Activities: |  |
Net proceeds from issuance of common shares | 6,736,444 | 23,219,644
Tax withholdings paid related to stock-based compensation | (180,472) | (130,426)
Proceeds from grants repayable | 218,445 | 37,631
Proceeds from long-term debt | 1,523,098 | 592,423
Payments on long-term debt | (1,268,386) | (755,721)
Payments on grants repayable | (45,664) | (47,789)
Payments on financing leases | (45,433) | (58,210)
Net Cash Provided By Financing Activities | 6,938,032 | 22,857,552
Effect of foreign exchange on cash and cash equivalents | 195,629 | 106,502
Net Change in Cash and Cash Equivalents | (9,714,263) | 1,136,576
Cash and Cash Equivalents - Beginning of Year | 20,581,313 | 19,444,737
Cash and Cash Equivalents - End of Year | 10,867,050 | 20,581,313
Supplemental Disclosures of Cash Flow Information: |  |
Interest paid | 173,087 | 155,803
Income tax paid | $ 0 | $ 0
Non-Cash Financing Activities: |  |
Common Stock issued on exercises of stock options and warrants and settlement of RSUs | 297 | 102
Offering costs from issuance of common stock | $ 427,443 | $ 218,459
Non-cash Note Payable | $ 620,549 | $ 0

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