Note 2 - Summary of Significant Accounting Policies (Tables)

9 Months Ended

Mar. 31, 2018

Notes Tables

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

(In thousands)	March 31,			June 30,
	2018			2017
Accounts receivable	$	49,891		$	49,386
Less: Allowance for doubtful accounts		(362	)		(506	)
Accounts receivable, net	$	49,529		$	48,880

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]

	Nine			Nine			Fiscal
	Months Ended			Months Ended			Year Ended
(In thousands)	March 31,			March 31,			June 30,
	2018			2017			2017
Balance at beginning of the period	$	7,560		$	5,069		$	5,069
Additions charged to expense		3,813			3,841			4,956
Addition from acquired company		--			907			907
Deductions for repairs and replacements		(4,652	)		(2,283	)		(3,372	)
Balance at end of the period	$	6,721		$	7,534		$	7,560