Note 2 - Summary Of Significant Accounting Policies (Details) - Warranty Liabilities (USD $) In Thousands, unless otherwise specified	3 Months Ended		12 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Jun. 30, 2013
Warranty Liabilities [Abstract]
Balance at beginning of the period	$ 1,424	$ 1,121	$ 1,121
Additions charged to expense	587	172	2,134
Deductions for repairs and replacements	(593)	(212)	(1,831)
Balance at end of the period	$ 1,418	$ 1,081	$ 1,424