Consolidated Balance Sheets (USD $)	Mar. 31, 2013	Jun. 30, 2012
Current assets:
Cash and cash equivalents	$ 1,877,038	$ 1,248,537
Accounts receivable, less allowance for doubtful accounts of $30,000 as of March 31, 2013 and June 30, 2012	1,148,463	958,897
Accounts receivable from affiliates (note 12)	280,824	438,041
Other receivables	3,767	17,637
Inventories	2,133,079	2,118,669
Prepaid expenses	26,750	15,341
Total current assets	5,469,921	4,797,122
Equipment
Capitalized software costs	357,832	357,832
Machinery and laboratory equipment	1,641,681	1,585,687
Furniture, fixtures, leaseholds & office equipment	1,746,332	1,743,088
Gross equipment	3,745,845	3,686,607
Accumulated depreciation and amortization	(2,784,304)	(2,580,489)
Net equipment	961,541	1,106,118
Intangible assets:
Licenses	266,932	288,576
Other assets:
Other assets	70,162	71,161
Total assets	6,768,556	6,262,977
Current liabilities:
Current portion of notes payable, net of discount (Note 11)	30,256	38,585
Current portion of capital lease obligations	101,336	108,593
Revolving line of credit (Note 10)	1,782
Accounts payable	515,042	576,694
Accrued payroll and related liabilities	227,792	281,642
Accrued liabilities-other	135,170	146,970
Total current liabilities	1,011,378	1,152,484
Notes payable, net of discount, less current portion (Note 11)		22,240
Capital lease obligations, less current portion	28,799	102,020
Deferred facility lease payable, excluding current portion	340,479	348,104
Total liabilities	1,380,656	1,624,848
Stockholders' equity (Note 9):
Common stock, $0.001 par value. Authorized 200,000,000 shares; Issued and outstanding 49,811,993 and 47,213,534 at March 31, 2013 and June 30, 2012, respectively	49,812	47,186
Additional paid-in capital	21,623,221	21,183,746
Accumulated deficit	(16,296,871)	(16,604,541)
Total stockholders' equity	5,376,162	4,626,391
Total liabilities and stockholders' equity	6,768,556	6,262,977
Preferred
Temporary equity:
Redeemable preferred stock, $0.001 par value. 36,680 shares issued and outstanding, aggregate redemption value of $9,170	$ 11,738	$ 11,738