Note 3 - Intangible Assets, net (Tables)

3 Months Ended

Sep. 30, 2012

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

	September 30, 2012						June 30, 2012
	Gross Carrying Amount		Accumulated Amortization		Net		Gross Carrying Amount		Accumulated Amortization		Net
Trade names and patents	$	1,525	$	682	$	843	$	1,525	$	663	$	862
Unpatented technology		547		430		117		547		420		127
License agreement		347		188		159		347		182		165
Total	$	2,419	$	1,300	$	1,119	$	2,419	$	1,265	$	1,154

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

Year ending June 30,	Amortization Expense
2013, remaining	$	102
2014		137
2015		137
2016		104
2017		97
2018		97
Thereafter		445
Total	$	1,119