Condensed Balance Sheets (December 31, 2012 Unaudited) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Jun. 30, 2012
Current assets:
Cash and cash equivalents	$ 6,482	$ 7,381
Marketable securities, short-term	7,437	7,135
Receivables, net of allowances of $48 at December 31, 2012, and $38 at June 30, 2012	3,056	2,995
Inventories, net	3,991	4,475
Prepaid expenses and other current assets	213	151
Total current assets	21,179	22,137
Property and equipment, net	365	268
Marketable securities, long-term	3,924	6,369
Other assets	46	50
Total assets	25,514	28,824
Current liabilities:
Accounts payable	1,242	2,039
Accrued payroll and related liabilities	538	332
Other accrued liabilities	2,242	1,374
Total current liabilities	4,022	3,745
Other long term liabilities	26	26
Commitments and contingencies
Shareholders’ equity:
Preferred stock, no par value; 5,000 shares authorized; no shares issued
Common stock, no par value; 50,000 shares authorized, 12,253 shares issued and outstanding as of December 31, 2012 and June 30, 2012	18,905	18,878
Accumulated other comprehensive income	14	9
Retained earnings	2,547	6,166
Total shareholders’ equity	21,466	25,053
Total liabilities and shareholders’ equity	$ 25,514	$ 28,824