CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($)	9 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Cash Flows from Operating Activities:
Net loss	$ (505,716)	$ (368,382)
Adjustments to reconcile net loss to net cash used in operating activities
Depreciation and amortization	23,482	21,728
Stock-based compensation expense	356,103	42,002
Non-cash consulting expense	0	6,588
Bad debt expense	0	113,750
Changes in operating assets and liabilities
Accounts receivable, net	(29,905)	(224,367)
Inventories, net	14,222	(68,973)
Prepaid expenses	(68,447)	(32,645)
Accounts payable	(59,721)	(12,379)
Customer advances	(598,914)	441,204
Accrued liabilities	(85,236)	(25,308)
Net cash used in operating activities	(954,132)	(106,782)
Cash Flows from Investing Activities:
Additional patent costs	(2,532)	(17,189)
Purchases of property and equipment	(111,766)	0
Net cash used in investing activities	(114,298)	(17,189)
Cash Flows from Financing Activities:
Payment of capital lease obligation	(6,666)	(6,242)
Gross proceeds from private placement of common stock	2,000,000	210,001
Proceeds from Exercise of Stock Purchase Warrants	0	6,667
Proceeds from Exercise of Stock Options	29,375	0
Private Placement Expense Paid	(4,250)	(2,963)
Net cash provided from financing activities	2,018,459	207,463
Net increase in cash and cash equivalents	950,029	83,492
Cash and cash equivalents, beginning of period	402,738	118,405
Cash and cash equivalents, end of period	1,352,767	201,897
Supplemental disclosure of cash flow information:
Cash paid for income taxes	912	912
Supplemental disclosure of non-cash financing and investing activities:
Issuance of common stock in settlement of accounts payable	0	40,000
Offering costs included in accrued liabilities	$ 8,000	$ 0