v3.25.2
Statements of Cash Flows - USD ($)
12 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Cash Flows from Operating Activities:    
Net loss $ (5,780,246) $ (2,951,377)
Adjustments to reconcile net loss to net cash (used in) provided by operating activities-    
Depreciation and amortization 212,439 212,382
Stock-based compensation expense 1,460,408 959,784
Non-cash legal expense 34,881 0
Non-cash interest expense 11,563 17,504
Non-cash operating lease expense 124 0
Changes in operating assets and liabilities:    
Accounts receivable, net (791,239) 361,916
Inventories (694,012) (91,884)
Prepaid expenses (86,026) (49,683)
Accounts payable 1,511,787 (1,034,951)
Contract liabilities 649,579 (2,340)
Accrued compensation and other (76,658) (104,363)
Net cash used in operating activities (3,547,400) (2,683,012)
Cash Flows from Investing Activities:    
Reclassification/additional patent costs (6,264) (21,448)
Purchases of property and equipment (227,209) (272,435)
Net cash used in investing activities (233,473) (293,883)
Cash Flows from Financing Activities:    
Payment of capital lease obligations (41,114) (43,209)
Principal payments of long-term debt (280,440) (513,259)
Payment of debt issuance costs (40,000) 0
(Repayments)/Borrowings on line of credit (1,000,000) 1,000,000
Gross proceeds from registered direct offerings of common stock 6,270,136 0
Stock issued for services 151,698 0
Gross proceeds from exercise of stock options 89,050 12,789
Net cash provided by financing activities 5,149,330 456,321
Net increase (decrease) in cash and cash equivalents 1,368,457 (2,520,574)
Cash and cash equivalents, beginning of year 405,278 2,925,852
Cash and cash equivalents, end of year 1,773,735 405,278
Supplemental disclosure of cash flow information:    
Cash paid during the year for income taxes 1,936 1,936
Cash paid during the year for interest 216,456 207,604
Operating right-of-use assets obtained in exchange for operating lease liabilities $ 133,650 $ 0