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v3.25.2

CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) | 12 Months Ended
--- | ---
Jun. 30, 2025 | Jun. 30, 2024
Operating activities: |  |
Net loss | $ (874,831) | $ (950,911)
Adjustments to reconcile net loss to net cash used in operating activities: |  |
Provision for (recovery of) credit losses | 121 | (4,105)
Depreciation of equipment and leasehold improvements | 237,210 | 192,272
Net accretion of discount on treasury securities | (222,880) | (379,591)
Noncash operating lease expense | 7,669 | 7,669
Stock-based compensation expense | 31,782 | 155,834
Change in cash surrender value of life insurance | (215,012) | (197,363)
Provision for deferred compensation | 133,330 | 96,004
Net changes in operating assets and liabilities: |  |
Accounts receivable | 72,526 | 175,303
Inventories | (411,387) | 1,949,761
Prepaid expenses and other current assets | 343,107 | (78,923)
Interest receivable | 49,251 | (119,279)
Income taxes receivable | 5,577 | 45,145
Income taxes payable | 7,059 | (51,338)
Accounts payable | 489,501 | 62,316
Accrued liabilities | 119,282 | (1,020,193)
Deferred revenue | 12,787 | (73,132)
Net cash used in operating activities | (214,908) | (190,531)
Investing activities: |  |
Purchase of equipment and leasehold improvements | (490,717) | (461,760)
Life insurance premiums paid | (70,577) | (81,744)
Proceeds from the maturity of treasury securities | 14,303,000 | 14,331,000
Purchases of treasury securities | (13,861,990) | (13,985,921)
Net cash used in investing activities | (120,284) | (198,425)
Financing activities: |  |
Proceeds from exercise of stock options | 305,908 | 134,975
Net cash provided by financing activities | 305,908 | 134,975
Net decrease in cash and cash equivalents | (29,284) | (253,981)
Cash and cash equivalents at beginning of year | 2,837,081 | 3,091,062
Cash and cash equivalents at end of year | 2,807,797 | 2,837,081
Supplemental cash flow information: |  |
Cash paid (refunded) for income taxes | $ 4,847 | $ (67,410)

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