Consolidated Balance Sheets (Parentheticals) (USD $) In Thousands, except Per Share data, unless otherwise specified	Jun. 30, 2013	Jun. 30, 2012
Allowances of receivables (in Dollars)	$ 414	$ 388
Common stock, par value (in Dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized	200,000	200,000
Common stock, shares issued	29,752	29,359
Treasury stock, shares	16,503	15,413