CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($)	6 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Cash Flows from Operating Activities:
Net Income (Loss)	$ (1,223,217)	$ 349,944
Adjustments to reconcile net loss to net cash used in by operating activities -
Depreciation and amortization	104,261	104,750
Stock-based compensation expense	491,177	319,776
Non-cash interest expense	8,752	16,966
Changes in operating assets and liabilities -
Accounts receivable, net	395,863	(1,368,650)
Inventories, net	(323,770)	232,963
Prepaid expenses	15,560	271
Accounts payable	(756,522)	216,060
Customer advances	(16,448)	(110,132)
Accrued compensation and other	(188,480)	255,162
Net cash (used in) provided by operating activities	(1,492,824)	17,110
Cash Flows from Investing Activities:
Purchases of fixed assets	(152,240)	(13,583)
Additional patent costs	(18,532)	(24,054)
Net cash used in investing activities	(170,772)	(37,637)
Cash Flows from Financing Activities:
Payments of capital lease obligations	(21,282)	(20,049)
Payments of long-term debt	(256,630)	(183,855)
Gross proceeds from the exercise of stock options	2,700	0
Net cash used in financing activities	(275,212)	(203,904)
Net (decrease) increase in cash and cash equivalents	(1,938,808)	(224,431)
Cash and cash equivalents, beginning of period	2,925,852	605,749
Cash and cash equivalents, end of period	$ 987,044	$ 381,318