CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($)	9 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Cash Flows from Operating Activities:
Net loss	$ (1,103,065)	$ (505,716)
Adjustments to Reconcile Net Loss to Net Cash Used In Operating Activities -
Depreciation and amortization	75,449	23,482
Stock-based compensation expense	426,778	356,103
Non-cash consulting expense	45,000	0
Changes in operating assets and liabilities
Accounts receivable, net	686,030	(29,905)
Inventories, net	(432,919)	14,222
Prepaid expenses	49,057	(68,447)
Accounts payable	359,079	(59,721)
Customer advances	(139,667)	(598,914)
Accrued compensation and other	(50,163)	(85,236)
Net cash used in operating activities	(84,421)	(954,132)
Cash Flows from Investing Activities:
Cash paid for business acquisition	(1,443,341)	0
Additional patent costs	(32,821)	(2,532)
Purchases of property and equipment	(110,012)	(111,766)
Net cash used in investing activities	(1,586,174)	(114,298)
Cash Flows from Financing Activities:
Payment of capital lease obligation	(19,375)	(6,666)
Gross proceeds from private placement of common stock	25,000	2,000,000
Gross proceeds from exercise of stock options	8,675	29,375
Private placement expense paid	0	(4,250)
Net cash provided from financing activities	14,300	2,018,459
Net increase (decrease) in cash and cash equivalents	(1,656,295)	950,029
Cash and cash equivalents, beginning of period	2,288,426	402,738
Cash and cash equivalents, end of period	632,131	1,352,767
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION:
Cash paid for income taxes	0	912
Supplemental disclosure of non-cash financing and investing activities:
Offering Costs Included in Accrued Liabilities	23,000	8,000
Acquisition of Manufacturing Equipment Under Capital Lease	$ 113,213	$ 0