Condensed Consolidated Balance Sheets (Unaudited) (USD $)	Sep. 30, 2011	Jun. 30, 2011
Current assets:
Cash and cash equivalents	$ 10,753,000	$ 12,309,000
Accounts receivable, net of allowance for doubtful accounts of $32,000 ($36,000 at June 30, 2011)	4,410,000	3,963,000
Inventories	6,578,000	6,348,000
Prepaid expenses and other current assets	315,000	420,000
Total current assets	22,056,000	23,040,000
Equipment at cost less accumulated depreciation of $3,508,000 ($3,409,000 at June 30, 2011)	1,247,000	1,310,000
Other assets	48,000	49,000
Total Assets	23,351,000	24,399,000
Current liabilities:
Accounts payable	1,820,000	1,791,000
Accrued payroll and related expenses	526,000	384,000
Deferred revenue	322,000	235,000
Other current liabilities	1,197,000	1,654,000
Total current liabilities	3,865,000	4,064,000
Deferred revenue	235,000	242,000
Commitments and contingencies (Footnote 3)
Stockholders' equity:
Preferred stock, $0.001 par value; 2,000,000 shares authorized; none issued and outstanding at September 30, and June 30, 2011	0	0
Common stock, $0.001 par value; 80,000,000 shares authorized; 16,371,366 issued and outstanding (16,346,366 at June 30, 2011)	16,000	16,000
Paid in capital in excess of par	126,562,000	126,196,000
Accumulated deficit	(107,327,000)	(106,119,000)
Total stockholders' equity	19,251,000	20,093,000
Total liabilities and stockholders equity	$ 23,351,000	$ 24,399,000