CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($)	9 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Cash Flows from Operating Activities:
Net loss	$ (768,856)	$ (885,297)
Adjustments to reconcile net loss to net cash used in operating activities
Depreciation and amortization	24,909	18,352
Gain on sale of assets	(1,515)	(26,948)
Stock-based compensation expense	154,743	194,133
Non-cash consulting expense	13,500	55,050
Non-cash gain on settlement of liabilities by issuing common stock	0	(22,050)
Changes in operating assets and liabilities
Accounts receivable, net	216,458	(19,934)
Inventories	10,229	19,954
Prepaid expenses	(14,225)	(35,012)
Accounts payable	(229,445)	113,272
Customer advances	69,421	(95,790)
Accrued liabilities	(107,143)	(65,943)
Net cash used in operating activities	(631,924)	(750,213)
Cash Flows from Investing Activities:
Additional patent costs	(5,848)	(4,230)
Purchases of property and equipment	(27,719)	(4,554)
Proceeds from sale of assets	1,515	26,948
Net cash provided by (used in) investing activities	(32,052)	18,164
Cash Flows from Financing Activities:
Payment of capital lease obligation	(5,844)	(2,094)
Gross proceeds from private placement of common stock	780,000	700,000
Private placement expenses paid as of March 31	(1,650)	(34,639)
Net cash provided by financing activities	772,506	663,267
Net increase (decrease) in cash and cash equivalents	108,530	(68,782)
Cash and cash equivalents, beginning of period	50,059	241,051
Cash and cash equivalents, end of period	158,589	172,269
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 to consultants	0	48,300
Acquisition of manufacturing equipment under capital lease	0	43,790
Offering costs included in accounts payable	$ 22,296	$ 0