STATEMENT OF CASH FLOWS - USD ($)	12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013
Cash flows from operating activities:
Net loss	$ (1,777,310)	$ (2,805,913)	$ (1,256,773)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation and amortization	1,311,111	1,280,796	1,306,044
Stock based compensation	4,956	9,655	44,197
Provision for doubtful accounts and sales returns and allowances	61,877	18,852	10,372
Deferred tax benefit	0	(352,746)	(757,699)
Changes in operating assets and liabilities:
Accounts receivable	76,554	490,013	741,251
Inventories	215,187	(67,755)	662,883
Income tax receivable	4,679	19,600	9,276
Other current assets	81,340	10,880	(20,301)
Accounts payable	300,575	(248,980)	(479,942)
Deferred revenue	0	0	(114,700)
Other accrued liabilities	535,381	(237,055)	(124,338)
Net cash provided by (used in) operating activities	814,350	(1,882,653)	20,270
Cash flows from investing activities:
Capital expenditures	(141,166)	(438,504)	(1,367,534)
Net cash used in investing activities	(141,166)	(438,504)	(1,367,534)
Cash flows from financing activities:
Purchases of treasury stock	0	0	(249,360)
Net cash used in financing activities	0	0	(249,360)
Net increase (decrease) in cash and cash equivalents	673,184	(2,321,157)	(1,596,624)
Cash and cash equivalents at beginning of year	1,366,762	3,687,919	5,284,543
Cash and cash equivalents at end of year	2,039,946	1,366,762	3,687,919
Supplemental disclosures of cash flow information:
Interest	0	0	0
Income taxes	15,987	17,999	1,450
Non-cash investing and financing activity
Deferred tax provision on stock options forfeited and reclassified to additional paid in capital	$ 43,522	$ 9,418	$ 0