CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($)	6 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Cash Flows from Operating Activities:
Net loss	$ (663,200)	$ (617,662)
Adjustments to reconcile net loss to net cash used in operating activities -
Depreciation and amortization	10,847	8,888
Gain on sale of assets	(18,468)	(17,210)
Stock-based compensation expense	142,428	40,125
Non-cash consulting expense	47,850	18,000
Changes in operating assets and liabilities -
Accounts receivable, net	162,309	(156,394)
Inventories	(20,500)	(232,870)
Prepaid expenses	(24,030)	(17,586)
Accounts payable	(59,369)	233,736
Customer advances	(70,830)	73,800
Accrued expenses	(31,968)	6,972
Net cash used in operating activities	(524,931)	(660,201)
Cash Flows from Investing Activities:
Additional patent costs	(2,871)	(9,270)
Purchases of property and equipment	(4,372)	(57,671)
Proceeds from sale of assets	18,468	17,210
Net cash provided by (used in) investing activities	11,225	(49,731)
Cash Flows from Financing Activities:
Gross proceeds from private placement of common stock	700,000	980,291
Private placement expenses incurred as of December 31	(16,452)	(87,572)
Net cash provided by financing activities	683,548	892,719
Net increase (decrease) in cash and cash equivalents	169,842	182,787
Cash and cash equivalents, beginning of period	241,051	202,380
Cash and cash equivalents, end of period	410,893	385,167
Supplemental Disclosure of Cash Flow Information:
Cash paid for income taxes	912	912
SUPPLEMENTAL DISCLOSURE OF NON-CASH FINANCING ACTIVITIES:
Issuance of 90,298 shares of common stock to consultants	$ 0	$ 65,015