Note 2 - Summary of Significant Accounting Policies (Tables)

6 Months Ended

Dec. 31, 2015

Notes Tables

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

(In thousands)	December 31, 2015			June 30, 2015
Accounts receivable	$	43,494		$	43,978
Less: Allowance for doubtful accounts		(372	)		(317	)
Accounts receivable, net	$	43,122		$	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)	Six Months Ended December 31, 2015			Six Months Ended December 31, 2014			Fiscal Year Ended June 30, 2015
Balance at beginning of the period	$	3,408		$	2,662		$	2,662
Additions charged to expense		2,259			1,557			3,185
Deductions for repairs and replacements		(1,357	)		(971	)		(2,439	)
Balance at end of the period	$	4,310		$	3,248		$	3,408