Note 5 - Accrued Expenses (Details) - Accrued Expenses (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2012
Accrued Expenses [Abstract]
Compensation and benefits	$ 7,134	$ 8,023
Customer prepayments	1,473	947
Accrued sales commissions	1,814	1,595
Accrued warranty	2,662	1,424	1,121
Other accrued expenses	2,548	1,792
Total Accrued Expenses	$ 15,631	$ 13,781