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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) | 9 Months Ended
--- | ---
Jun. 30, 2022 | Jun. 30, 2021
Cash flows from operating activities: |  |
Net loss | $ (7,605,505) | $ (9,770,855)
Adjustments to reconcile net loss to net cash used in operating activities: |  |
Depreciation and amortization | 962,800 | 544,564
Loss on extinguishment of convertible notes payable | 0 | 1,774,662
Gain on extinguishment of notes payable | 0 | (839,945)
Unrealized gain on change in fair value of the Common Warrants | (2,540,700) | 0
Stock-based compensation | 2,245,749 | 1,631,175
Provision for bad debts | 10,000 | 6,245
Change in operating assets and liabilities: |  |
Accounts receivable | (64,928) | (549,273)
Inventories | 815,294 | 68,251
Prepaid expenses and other current assets and deposits | (603,439) | 242,882
Accounts payable and accrued liabilities | 586,379 | (1,525,355)
Deferred revenue | 476,264 | (258,229)
Net cash used in operating activities | (5,718,086) | (8,675,878)
Cash flows from investing activities: |  |
Purchase of property and equipment | (246,892) | (1,642,277)
Net cash used in investing activities | (246,892) | (1,642,277)
Cash flows from financing activities: |  |
Net proceeds from exercise of warrants | 75 | 2,613,929
Net proceeds from issuance of common stock and warrants | 4,091,833 | 13,756,507
Repayment of convertible notes | 0 | (1,665,581)
Net cash provided by financing activities | 4,091,908 | 14,704,855
Net (decrease) increase in cash and cash equivalents | (1,873,070) | 4,386,700
Cash and cash equivalents at beginning of period | 6,554,948 | 7,786,743
Cash and cash equivalents at end of period | 4,681,878 | 12,173,443
Supplemental Disclosures of Cash Flow Information: |  |
Cash paid during period for interest | 0 | 0
Cash paid during period for income taxes | 0 | 0
Non-cash investing and financing activities: |  |
Interest paid in kind | 0 | 28,329
Deemed dividend warrant modifications | 110,105 | 0
Property and equipment acquired, and included in accounts payable | 249,468 | 132,270
Issuance of stock options for payment of accrued bonus | 300,000 | 0
Fair value of warrants issued | $ 3,350,400 | $ 1,074,118

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