CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($)	6 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
CASH FLOWS FROM OPERATING ACTIVITIES:
Net Income (Loss)	$ 560,909	$ (1,083,814)
Adjustments to Reconcile Net Loss to Net Cash Used In Operating Activities -
Depreciation and amortization	104,750	107,680
Stock-based compensation expense	319,776	510,522
Non-cash interest expense	16,966	0
Changes in Operating Assets and Liabilities, net of effects of business acquisition -
Accounts receivable, net	(1,368,650)	339,671
Inventories, net	232,963	(161,987)
Prepaid expenses	271	(66,093)
Accounts payable	5,095	(167,139)
Customer advances	(110,132)	(139,292)
Accrued compensation and other	255,162	(54,711)
Net Cash Provided By (Used In) Operating Activities	17,110	(715,163)
CASH FLOWS FROM INVESTING ACTIVITIES:
Additional patent costs	(13,583)	(8,853)
Purchases of fixed assets	(24,054)	(29,239)
Acquisition of business	0	(255,063)
Net Cash Used In Investing Activities	(37,637)	(293,155)
CASH FLOWS FROM FINANCING ACTIVITIES:
Payment of financing lease obligation	(20,049)	(18,879)
Payments of long-term debt	(183,855)	(61,905)
Payment of debt issuance costs	0	(26,000)
Gross proceeds from private placement of common stock	0	1,500,000
Gross proceeds from exercise of stock options	0	16,650
Net Cash (Used In) Provided By Financing Activities	(203,904)	1,409,866
NET (DECREASE) INCREASE IN CASH AND CASH EQUIVALENTS	(224,431)	401,548
CASH AND CASH EQUIVALENTS, BEGINNING OF PERIOD	605,749	861,650
CASH AND CASH EQUIVALENTS, END OF PERIOD	381,318	1,263,198
SUPPLEMENTAL DISCLOSURE OF NON-CASH FINANCING ACTIVITIES:
Offering costs included in accrued compensation and other	0	10,000
Issuance of common stock for services	0	20,000
Acquisition of business financed with long-term debt	$ 0	$ 2,600,000