Note 3 - Intangible Assets, Net (Tables)

6 Months Ended

Dec. 31, 2013

Disclosure Text Block [Abstract]

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

	December 31, 2013						June 30, 2013
	Gross Carrying Amount		Accumulated Amortization		Net		Gross Carrying Amount		Accumulated Amortization		Net
Trade names and patents	$	1,525	$	777	$	748	$	1,525	$	739	$	786
Unpatented technology		547		480		67		547		460		87
License agreement		347		214		133		347		203		144
Total	$	2,419	$	1,471	$	948	$	2,419	$	1,402	$	1,017

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

Year ending June 30,	Amortization Expense
2014, remaining	$	68
2015		137
2016		104
2017		97
2018		97
2019		97
Thereafter		348
Total	$	948