CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($)	3 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Cash Flows from Operating Activities:
Net loss	$ (28,785)	$ (293,408)
Adjustments to reconcile net loss to net cash provided from (used in) operating activities
Depreciation and amortization	8,750	7,621
Gain on sale of assets	0	(315)
Stock-based compensation expense	26,057	60,901
Non-cash consulting expense	(7,425)	8,550
Changes in operating assets and liabilities
Accounts receivable, net	(145,413)	184,327
Inventories, net	88,162	140,979
Prepaid expenses	4,591	6,297
Accounts payable	5,381	60,085
Customer advances	(57,642)	11,025
Accrued liabilities	(25,322)	(28,274)
Net cash provided from (used in) operating activities	(131,646)	157,788
Cash Flows from Investing Activities:
Additional patent costs	0	(340)
Purchases of property and equipment	0	(3,500)
Proceeds from sale of assets	0	315
Net cash used in investing activities	0	(3,525)
Cash Flows from Financing Activities:
Payment of capital lease obligation	(2,046)	(1,916)
Gross proceeds from private placement of common stock	210,001	0
Net cash provided from (used in) financing activities	207,955	(1,916)
Net increase in cash and cash equivalents	76,309	152,347
Cash and cash equivalents, beginning of period	118,405	50,059
Cash and cash equivalents, end of period	194,714	202,406
Supplemental disclosure of non-cash financing and investing activities:
Issuance of common stock in settlement of accounts payable	40,000	0
Offering costs included in accounts payable	$ 2,963	$ 0