Note 1 - Summary Of Significant Accounting Policies (Details) (USD $)	12 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2011	Jan. 02, 2013
Accounting Policies [Abstract]
Cash, FDIC Insured Amount (in Dollars)				$ 250,000
Cash, Uninsured Amount (in Dollars)	7,688,000	863,000
Depreciation (in Dollars)	4,702,000	5,174,000	5,288,000
Defined Contribution Plan, Cost Recognized (in Dollars)	1,932,000	960,000	941,000
Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent	4.00%	2.00%
Research and Development Expense (in Dollars)	6,480,000	5,511,000	5,162,000
Advertising Expense (in Dollars)	$ 280,000	$ 328,000	$ 397,000
Incremental Common Shares Attributable to Dilutive Effect of Contingently Issuable Shares (in Shares)	356,000		293,000