CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($)	Dec. 31, 2018	Jun. 30, 2018
Current Assets:
Cash and cash equivalents	$ 1,744,644	$ 402,738
Accounts receivable, net	728,636	796,923
Inventories, net	1,095,525	1,144,068
Prepaid expenses	136,517	70,991
Total current assets	3,705,322	2,414,720
Property and Equipment:
Machinery and equipment	2,574,579	2,511,638
Leasehold improvements	566,839	553,596
Furniture and fixtures	148,303	148,303
Total	3,289,721	3,213,537
Less: Accumulated depreciation and amortization	(3,178,645)	(3,164,051)
Net fixed assets	111,076	49,486
Patents, net	46,007	47,275
TOTAL ASSETS	3,862,405	2,511,481
Current Liabilities:
Current portion of capital lease obligation	9,262	8,962
Accounts payable	752,020	703,538
Customer advances	294,650	857,842
Accrued employee compensation	228,314	238,590
Accrued professional services	74,250	98,000
Accrued warranty expense	25,000	25,000
Other accrued liabilities	0	912
Total current liabilities	1,383,496	1,932,844
Capital lease obligation, net of current portion	9,894	14,601
Stockholders' Equity:
Common Stock, $0.01 par value - Authorized - 50,000,000 shares; Issued and Outstanding; 11,897,139 shares at December 31, 2018 and 10,197,139 shares at June 30, 2018	118,972	101,972
Additional paid-in capital	47,797,398	45,484,186
Accumulated deficit	(45,447,355)	(45,022,122)
Total stockholders' equity	2,469,015	564,036
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 3,862,405	$ 2,511,481