Note 2 - Summary Of Significant Accounting Policies (Details) - Warranty Liabilities (USD $) In Thousands, unless otherwise specified	9 Months Ended		12 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Jun. 30, 2013
Warranty Liabilities [Abstract]
Balance at beginning of the period	$ 1,424	$ 1,121	$ 1,121
Additions charged to expense	2,395	1,518	2,134
Deductions for repairs and replacements	(1,871)	(1,254)	(1,831)
Balance at end of the period	$ 1,948	$ 1,385	$ 1,424