CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($)	6 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
CASH FLOWS FROM OPERATING ACTIVITIES:
Net Loss	$ (212,661)	$ (636,935)
Adjustments to Reconcile Net Loss to Net Cash Provided From (Used In) Operating Activities -
Depreciation and amortization	70,728	45,920
Stock-based compensation expense	228,225	351,211
Non-cash consulting expense	0	45,000
Changes in Operating Assets and Liabilities -
Accounts receivable, net	(109,430)	165,059
Inventories, net	252,178	(284,591)
Prepaid expenses	(12,912)	47,058
Accounts payable	(68,880)	(11,806)
Customer advances	(265,182)	(61,686)
Accrued compensation and other	(99,506)	(128,513)
Net Cash Used In Operating Activities	(217,440)	(469,283)
CASH FLOWS FROM INVESTING ACTIVITIES:
Cash Paid for business acquisition	0	(1,443,341)
Additional patent costs	(23,239)	(10,842)
Purchases of property and equipment	(35,794)	(46,072)
Net Cash Used In Investing Activities	(59,033)	(1,500,255)
CASH FLOWS FROM FINANCING ACTIVITIES:
Payment of Capital Lease Obligation	(41,961)	(4,705)
Gross Proceeds from Private Placement of Common Stock	0	25,000
Gross Proceeds from Exercise of Stock Options	0	8,675
Net Cash (Used in) Provided By Financing Activities	(41,961)	28,970
NET DECREASE IN CASH AND CASH EQUIVALENTS	(318,434)	(1,940,568)
CASH AND CASH EQUIVALENTS, BEGINNING OF PERIOD	1,134,697	2,288,426
CASH AND CASH EQUIVALENTS, END OF PERIOD	816,263	347,858
SUPPLEMENTAL DISCLOSURE OF NON-CASH FINANCING AND INVESTING ACTIVITIES:
Offering costs included in current liabilities	$ 0	$ 23,000