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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
 6 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Cash flows from operating activities:    
Net loss $ (6,480,708) $ (6,324,140)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation and amortization 641,615 296,793
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 (782,500) 0
Stock-based compensation 1,972,835 1,220,746
Provision for bad debts 10,000 19,638
Change in operating assets and liabilities:    
Accounts receivable, net 206,227 (2,011,761)
Inventories 725,965 (223,171)
Prepaid expenses and other current assets and deposits (842,071) 13,089
Accounts payable and accrued liabilities 472,201 (1,190,947)
Deferred revenue 112,656 (160,979)
Net cash used in operating activities (3,963,780) (7,426,015)
Cash flows from investing activities:    
Purchase of property and equipment (170,217) (1,139,586)
Net cash used in investing activities (170,217) (1,139,586)
Cash flows from financing activities:    
Net proceeds from exercise of warrants 0 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 4,091,833 14,704,855
Net (decrease) increase in cash and cash equivalents (42,164) 6,139,254
Cash and cash equivalents at beginning of period 6,554,948 7,786,743
Cash and cash equivalents at end of period 6,512,784 13,925,997
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 76,178 256,194
Issuance of stock options for payment of accrued bonus 300,000 0
Fair value of warrants issued $ 3,350,400 $ 1,074,118