Note 5 - Commitments and Contingencies (Tables)

12 Months Ended

Jun. 30, 2015

Notes Tables

Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]

2016		501
2017		541
2018		665
2019		629
2020		315
Total	$	2,651

Schedule of Product Warranty Liability [Table Text Block]

	For years ended June 30,
	2015			2014
Beginning balance	$	498		$	489
Warranties issued during the period		258			172
Settlements made during the period		(168	)		(104	)
Changes in liability for pre-existing warranties during the period		39			(59	)
Ending balance	$	627		$	498