Note 1 - Summary of Significant Accounting Policies (Tables)

12 Months Ended

Jun. 30, 2015

Accounting Policies [Abstract]

Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]

(In thousands)	June 30,			June 30,
	2015			2014
Accounts receivable	$	43,978		$	43,047
Less: Allowance for doubtful accounts		(317	)		(294	)
Accounts receivable, net	$	43,661		$	42,753

Property, Plant and Equipment [Table Text Block]

Buildings (years)	28	-	40
Machinery and equipment (years)	3	-	10
Computer software (years)	3	-	8

Schedule of Product Warranty Liability [Table Text Block]

(In thousands)	June 30, 2015			June 30, 2014
Balance at beginning of the period	$	2,662		$	1,424
Additions charged to expense		3,185			3,816
Deductions for repairs and replacements		(2,439	)		(2,578	)
Balance at end of the period	$	3,408		$	2,662