Balance Sheets (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Jun. 30, 2011
Current assets:
Cash and cash equivalents	$ 7,381	$ 4,970
Marketable securities, short-term	7,135	10,713
Accounts receivable, net of allowance for doubtful accounts of $38 at June 30, 2012 and $180 at June 30, 2011	2,995	3,005
Inventories, net	4,475	5,673
Prepaid expenses and other current assets	151	312
Total current assets	22,137	24,673
Property and equipment, net	268	232
Marketable securities, long-term	6,369	6,981
Other assets	50	49
Total assets	28,824	31,935
Current liabilities:
Accounts payable	2,039	1,293
Accrued payroll and related liabilities	332	495
Other accrued liabilities	1,374	945
Total current liabilities	3,745	2,733
Other long-term liabilities	26	22
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 June 30, 2012 and June 30, 2011	18,878	18,869
Accumulated other comprehensive income	9	38
Retained earnings	6,166	10,273
Total shareholders’ equity	25,053	29,180
Total liabilities and shareholders’ equity	$ 28,824	$ 31,935