Note 2 - Summary of Significant Accounting Policies (Tables)

9 Months Ended

Mar. 31, 2016

Notes Tables

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

(In thousands)	March 31, 2016			June 30, 2015
Accounts receivable	$	38,216		$	43,978
Less: Allowance for doubtful accounts		(326	)		(317	)
Accounts receivable, net	$	37,890		$	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]

(In thousands)	Nine Months Ended March 31, 2016			Nine Months Ended March 31, 2015			Fiscal Year Ended June 30, 2015
Balance at beginning of the period	$	3,408		$	2,662		$	2,662
Additions charged to expense		4,018			2,588			3,185
Deductions for repairs and replacements		(2,606	)		(1,802	)		(2,439	)
Balance at end of the period	$	4,820		$	3,448		$	3,408