Note 2 - Summary Of Significant Accounting Policies (Details) (USD $)	3 Months Ended		6 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Jun. 30, 2013
Note 2 - Summary Of Significant Accounting Policies (Details) [Line Items]
Cash, FDIC Insured Amount (in Dollars)	$ 250,000		$ 250,000
Cash, Uninsured Amount (in Dollars)	10,680,000		10,680,000		7,688,000
Depreciation (in Dollars)	1,353,000	1,174,000	2,563,000	2,335,000
Research and Development Expense (in Dollars)	$ 2,127,000	$ 1,522,000	$ 4,081,000	$ 3,174,000
Incremental Common Shares Attributable to Dilutive Effect of Contingently Issuable Shares (in Shares)	561,000	370,000	468,000	357,000
Minimum [Member]
Note 2 - Summary Of Significant Accounting Policies (Details) [Line Items]
Finite-Lived Intangible Asset, Useful Life			2 years
Maximum [Member]
Note 2 - Summary Of Significant Accounting Policies (Details) [Line Items]
Finite-Lived Intangible Asset, Useful Life			20 years