STATEMENT OF CASH FLOWS - USD ($)	12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014
Cash flows from operating activities:
Net loss	$ (2,304,831)	$ (1,777,310)	$ (2,805,913)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation and amortization	1,228,485	1,311,111	1,280,796
Stock based compensation	2,946	4,956	9,655
Provision for doubtful accounts and sales returns and allowances	2,859	61,877	18,852
Deferred tax benefit	290,145	0	(352,746)
Changes in operating assets and liabilities:
Accounts receivable	(522,647)	76,554	490,013
Inventories	315,641	215,187	(67,755)
Income tax receivable	(68)	4,679	19,600
Other current assets	73,045	81,340	10,880
Accounts payable	495,806	300,575	(248,980)
Deferred revenue	0	0	0
Other accrued liabilities	181,636	535,381	(237,055)
Net cash provided by (used in) operating activities	(236,983)	814,350	(1,882,653)
Cash flows from investing activities:
Capital expenditures	(99,300)	(141,166)	(438,504)
Net cash used in investing activities	(99,300)	(141,166)	(438,504)
Net increase (decrease) in cash and cash equivalents	(336,283)	673,184	(2,321,157)
Cash and cash equivalents at beginning of year	2,039,946	1,366,762	3,687,919
Cash and cash equivalents at end of year	1,703,663	2,039,946	1,366,762
Supplemental disclosures of cash flow information:
Interest	0	0	0
Income taxes	12,527	15,987	17,999
Non-cash investing and financing activity
Deferred tax provision on stock options forfeited and reclassified to additional paid in capital	$ 118,857	$ 43,522	$ 9,418