Consolidated Condensed Balance Sheets (Parentheticals) (USD $) In Thousands, except Per Share data, unless otherwise specified	Dec. 31, 2011	Jun. 30, 2011
Allowance for doubtful accounts	$ 249	$ 277
Preferred stock, no par value	$ 0	$ 0
Preferred stock, shares authorized	1,000	1,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, no par value	$ 0	$ 0
Common stock, shares authorized	90,200	90,200
Common stock, shares issued	23,406	22,993
Common stock, shares outstanding	23,406	22,993