Note 2 - Summary of Significant Accounting Policies (Tables)

6 Months Ended

Dec. 31, 2016

Notes Tables

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

(In thousands)	December 31,			June 30,
	2016			2016
Accounts receivable	$	49,922		$	47,201
Less: Allowance for doubtful accounts		(381	)		(226	)
Accounts receivable, net	$	49,541		$	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]

	Six			Six			Fiscal
	Months Ended			Months Ended			Year Ended
(In thousands)	December 31,			December 31,			June 30,
	2016			2015			2016
Balance at beginning of the period	$	5,069		$	3,408		$	3,408
Additions charged to expense		2,243			2,259			5,069
Deductions for repairs and Replacements		(1,351	)		(1,357	)		(3,408	)
Balance at end of the period	$	5,961		$	4,310		$	5,069