CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($)	6 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Cash Flows from Operating Activities:
Net loss	$ (605,503)	$ (663,200)
Adjustments to reconcile net loss to net cash used in operating activities
Depreciation and amortization	16,019	10,847
Gain on sale of assets	(1,515)	(18,468)
Stock-based compensation expense	110,433	142,428
Non-cash consulting expense	17,400	47,850
Changes in operating assets and liabilities
Accounts receivable, net	308,293	162,309
Inventories	35,560	(20,500)
Prepaid expenses	(5,915)	(24,030)
Accounts payable	(168,433)	(59,369)
Customer advances	37,100	(70,830)
Accrued expenses	(22,880)	(31,968)
Net cash used in operating activities	(279,441)	(524,931)
Cash Flows from Investing Activities:
Additional patent costs	(5,848)	(2,871)
Purchases of property and equipment	(25,843)	(4,372)
Proceeds from sale of assets	1,515	18,468
Net cash provided by (used in) investing activities	(30,176)	11,225
Cash Flows from Financing Activities:
Payment of capital lease obligation	(3,864)	0
Gross proceeds from private placement of common stock	780,000	700,000
Private placement expenses incurred	0	(16,452)
Net cash provided by financing activities	776,136	683,548
Net increase in cash and cash equivalents	466,519	169,842
Cash and cash equivalents, beginning of period	50,059	241,051
Cash and cash equivalents, end of period	516,578	410,893
Supplemental Disclosure of Cash Flow Information:
Cash paid for income taxes	$ 0	$ 912