CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($)	3 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Cash Flows from Operating Activities:
Net Loss	$ (73,511)	$ (576,801)
Adjustments to reconcile net loss to net cash used in by operating activities -
Depreciation and amortization	52,411	42,280
Stock-based compensation expense	74,990	160,071
Non-cash interest expense	9,412	0
Changes in operating assets and liabilities -
Accounts receivable, net	(750,813)	167,563
Inventories, net	266,487	(235,495)
Prepaid expenses	25,950	8,309
Accounts payable	66,732	81,091
Customer advances	127,778	(113,512)
Accrued compensation and other	400,298	284,154
Net cash provided by (used in) operating activities	199,734	(182,340)
Cash Flows from Investing Activities:
Purchases of fixed assets	(16,019)	(24,325)
Additional patent costs	(13,155)	(6,041)
Net cash used in investing activities	(29,174)	(30,366)
Cash Flows from Financing Activities:
Payment of capital lease obligation	(9,950)	(9,375)
Payments of long-term debt	(92,857)	0
Gross Proceeds from private placement of common stock subscribed	0	1,030,000
Net cash (used in) provided by financing activities	(102,807)	1,020,625
Net increase in cash and cash equivalents	67,753	807,919
Cash and cash equivalents, beginning of period	605,749	861,650
Cash and cash equivalents, end of period	673,502	1,669,569
Supplemental disclosure of non-cash financing activities:
Offering costs included in accrued compensation and other	$ 0	$ 10,000