Condensed Consolidated Balance Sheets (Unaudited) (USD $)	Dec. 31, 2011	Jun. 30, 2011
Current assets:
Cash and cash equivalents	$ 8,729,000	$ 12,309,000
Accounts receivable, net of allowance for doubtful accounts of $33,000 ($36,000 at June 30, 2011)	4,981,000	3,963,000
Inventories	6,790,000	6,348,000
Prepaid expenses and other current assets	170,000	420,000
Total current assets	20,670,000	23,040,000
Equipment at cost less accumulated depreciation of $3,611,000 ($3,409,000 at June 30, 2011)	1,589,000	1,310,000
Other assets	48,000	49,000
Total Assets	22,307,000	24,399,000
Current liabilities:
Accounts payable	1,648,000	1,791,000
Accrued payroll and related expenses	424,000	384,000
Deferred revenue	282,000	235,000
Other current liabilities	1,498,000	1,654,000
Total current liabilities	3,852,000	4,064,000
Deferred revenue	227,000	242,000
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; 16,381,366 issued and outstanding (16,346,366 at June 30, 2011)	16,000	16,000
Paid in capital in excess of par	126,817,000	126,196,000
Accumulated deficit	(108,605,000)	(106,119,000)
Total stockholders' equity	18,228,000	20,093,000
Total liabilities and stockholders equity	$ 22,307,000	$ 24,399,000