Note 4 - Intangible Assets, Net (Tables)

12 Months Ended

Jun. 30, 2016

Notes Tables

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

	June 30, 2016			June 30, 2015
	Gross Carrying	Accumulated		Gross Carrying	Accumulated
	Amount	Amortization	Net	Amount	Amortization	Net
Trade names and patents	$ 1,525	$ 1,290	$    235	$ 1,525	$    891	$  634
Unpatented technology	547	547	-	547	540	7
License agreement	347	347	-	347	245	102
Total	$ 2,419	$ 2,184	$    235	$ 2,419	$ 1,676	$  743

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

Year ending	Amortization
June 30,	Expense
2017	$ 101
2018	101
2019	33
Total	$ 235