Condensed Balance Sheets (Unaudited) (USD $)	Sep. 30, 2012	Jun. 30, 2012
Current assets:
Cash and cash equivalents	$ 8,753,000	$ 7,879,000
Accounts receivable, net of allowance for doubtful accounts of $29,000 ($30,000 at June 30, 2012)	3,515,000	4,558,000
Inventories	6,209,000	6,290,000
Prepaid expenses and other current assets	366,000	338,000
Total current assets	18,843,000	19,065,000
Equipment at cost, less accumulated depreciation of $3,544,000 ($3,476,000 at June 30, 2012)	1,634,000	1,652,000
Intangible asset	277,000	315,000
Other assets	48,000	48,000
Total Assets	20,802,000	21,080,000
Current liabilities:
Accounts payable	1,505,000	2,772,000
Accrued payroll and related expenses	581,000	607,000
Deferred revenue	409,000	424,000
Other current liabilities	1,196,000	1,228,000
Total current liabilities	3,691,000	5,031,000
Deferred revenue	55,000	55,000
Other non-current liabilities	74,000	96,000
Commitments and contingencies (Footnote 3)
Stockholders' equity:
Preferred stock, $0.001 par value; 2,000,000 shares authorized; none outstanding	0	0
Common stock, $0.001 par value; 80,000,000 shares authorized; 16,522,310 issued and outstanding (16,413,066 at June 30, 2012)	16,000	16,000
Paid in capital in excess of par	127,076,000	126,987,000
Accumulated deficit	(110,110,000)	(111,105,000)
Total stockholders' equity	16,982,000	15,898,000
Total liabilities and stockholders equity	$ 20,802,000	$ 21,080,000