Note 8 - Commitments and Contingencies (Tables)

3 Months Ended

Sep. 30, 2014

Commitments and Contingencies Disclosure [Abstract]

Schedule of Product Warranty Liability [Table Text Block]

	Three Months Ended September 30,
	2014			2013
Beginning balance	$	159		$	190
Cost of warranty claims		(14	)		(14	)
Accruals for product warranties		14			(2	)
Ending balance	$	159		$	174