Note 2 - Summary of Significant Accounting Policies (Tables)

3 Months Ended

Sep. 30, 2015

Accounting Policies [Abstract]

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

(In thousands)	September 30,			June 30,
	2015			2015
Accounts receivable	$	46,672		$	43,978
Less: Allowance for doubtful accounts		(405	)		(317	)
Accounts receivable, net	$	46,267		$	43,661

Property, Plant and Equipment [Table Text Block]

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

Schedule of Product Warranty Liability [Table Text Block]

	Three			Three			Fiscal
	Months Ended			Months Ended			Year Ended
(In thousands)	September 30,			September 30,			June 30,
	2015			2014			2015
Balance at beginning of the period	$	3,408		$	2,662		$	2,662
Additions charged to expense		877			881			3,185
Deductions for repairs and replacements		(615	)		(552	)		(2,439	)
Balance at end of the period	$	3,670		$	2,991		$	3,408