Note 1 - Summary of Significant Accounting Policies (Tables)

12 Months Ended

Jun. 30, 2017

Notes Tables

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

(In thousands)	June 30,			June 30,
	2017			2016
Accounts receivable	$	49,386		$	47,201
Less: Allowance for doubtful accounts		(506	)		(226	)
Accounts receivable, net	$	48,880		$	46,975

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)	June 30, 2017			June 30, 2016
Balance at beginning of the period	$	5,069		$	3,408
Additions charged to expense		4,956			5,069
Addition from acquired company		907			--
Deductions for repairs and replacements		(3,372	)		(3,408	)
Balance at end of the period	$	7,560		$	5,069