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Statements of Cash Flows (Unaudited) - USD ($)
6 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Cash flows from operating activities:    
Net loss $ (984,759) $ (1,686,115)
Adjustments to reconcile net loss to net cash used in operations:    
Stock compensation expense 181,858 1,311,111
Provision for expected credit losses/bad debt expense 330,000 80,000
Changes in current assets and liabilities    
Accounts receivable (689,426) (573,435)
Inventory 598,738 499,272
Prepaid insurance and other current assets 87,814 (37,471)
Accounts payable 0 (175,990)
Accrued expenses (27,722) (105,465)
Net cash flows used in operating activities (503,497) (688,093)
Cash flows from financing activities:    
Underwritten public offering of common stock 0 3,780,405
Net cash flows provided by financing activities 0 3,780,405
Net increase (decrease) in cash and cash equivalents (503,497) 3,092,312
Cash and cash equivalents at beginning of period 2,002,789 330,385
Cash and cash equivalents at end of period 1,499,292 3,422,697
Supplemental disclosures of cash flow information    
Cash paid for interest 0 0
Cash paid for income taxes 0 0
Supplemental non-cash financing activities    
Conversion of convertible debt and accrued interest into common stock $ 0 $ 1,179,286