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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) | 9 Months Ended
--- | ---
Sep. 30, 2023 | Sep. 30, 2022
Cash flows from operating activities: |  |
Net loss | $ (3,100,442) | $ (3,872,247)
Adjustments to reconcile net loss to net cash from operating activities: |  |
Bad debt expense | 6,871 | 72,108
Inventory fair value net realizable | 0 | (21,133)
Depreciation expense | 127,171 | 123,908
Amortization of intangible assets | 28,741 | 0
Unrealized (gain) loss on marketable equity securities | (10,463) | 32,525
Realized loss on marketable equity securities | 2,002 | 21,205
SBA loan forgiveness | 0 | (158,547)
Gain on bargain purchase | (61,747) | 0
Stock-based compensation – shares | 183,004 | 671,901
Stock-based compensation – options | 400,208 | 652,500
Changes in operating assets and liabilities: |  |
Accounts receivable | (101,461) | (32,257)
Accounts receivable - related party | 34,507 | (45,413)
Inventory | (196,201) | (5,087)
Other receivables | (10,000) | 0
Prepaid expenses | 31,811 | 116,648
Deposit | 8,388 | 1,998
Operating lease right-of-use assets | 25,585 | 226,468
Accounts payable and accrued liabilities | 53,709 | (120,121)
Other current liabilities | 33,759 | (17,406)
Lease liabilities | (58,987) | (94,542)
Other liabilities | 0 | 12,335
Net cash flows used in operating activities | (2,603,545) | (2,435,157)
Cash flows from investing activities: |  |
Purchase of property and equipment | (20,294) | (39,193)
Purchase of marketable securities | (144,907) | (768,949)
Proceeds from sale of marketable securities | 219,673 | 630,404
Net cash flows provided by (used in) investing activities | 54,472 | (177,738)
Cash flows from financing activities: |  |
Proceeds from related party loan | 1,000,000 | 0
Purchase of treasury stock | (1,385,686) | 0
Net cash flows used in financing activities | (385,686) | 0
Effect of exchange rate | 20 | (3,352)
Net change in cash | (2,934,739) | (2,616,247)
Cash beginning of period | 4,343,426 | 8,678,665
Cash end of period | 1,408,687 | 6,062,418
Supplemental cash flow disclosure: |  |
Cash paid for income taxes | 0 | 0
Cash paid for interest | 13,142 | 8,794
Supplemental disclosure for noncash investing and financing activities: |  |
Right-of-use assets obtained in exchange for operating lease liabilities | 264,641 | 0
Treasury stock payable | 0 | 2,000,000
Cashless exercise of options | $ 41,401 | $ 612,662

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