CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($)	6 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Cash Flows from Operating Activities:
Net loss	$ (425,233)	$ (89,111)
Adjustments to reconcile net loss to net cash provided from (used in) operating activities
Depreciation and amortization	15,862	15,804
Stock-based compensation expense	353,212	33,028
Non-cash consulting expense	0	(3,387)
Changes in operating assets and liabilities
Accounts receivable, net	68,287	(284,604)
Inventories, net	48,543	67,656
Prepaid expenses	(65,526)	(22,447)
Accounts payable	48,482	41,586
Customer advances	(563,192)	283,152
Accrued liabilities	(57,938)	26,318
Net cash provided from (used in) operating activities	(577,503)	67,995
Cash Flows from Investing Activities:
Additional patent costs	0	(17,189)
Purchases of property and equipment	(76,184)	0
Net cash used in investing activities	(76,184)	(17,189)
Cash Flows from Financing Activities:
Payment of capital lease obligation	(4,407)	(4,127)
Gross proceeds from private placement of common stock	2,000,000	210,001
Gross Proceeds from Exercise of Stock Purchase Warrants	0	6,667
Net cash provided from financing activities	1,995,593	212,541
Net increase in cash and cash equivalents	1,341,906	263,347
Cash and cash equivalents, beginning of period	402,738	118,405
Cash and cash equivalents, end of period	1,744,644	381,752
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 accounts payable	$ 23,000	$ 2,963