Note 4 - Intangible Assets, Net (Tables)

12 Months Ended

Jun. 30, 2015

Notes Tables

Schedule of Finite-Lived Intangible Assets [Table Text Block]

	June 30, 2015						June 30, 2014
	Gross Carrying		Accumulated				Gross Carrying		Accumulated
	Amount		Amortization		Net		Amount		Amortization		Net
Trade names and patents	$	1,525	$	891	$	634	$	1,525	$	815	$	710
Unpatented technology		547		540		7		547		500		47
License agreement		347		245		102		347		224		123
Total	$	2,419	$	1,676	$	743	$	2,419	$	1,539	$	880

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

Year ending	Amortization
June 30,	Expense
2016	$	104
2017		97
2018		97
2019		97
2020		97
Thereafter		251
Total	$	743