Note 3 - Intangible Assets Disclosure (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Trade Names [Member]
Finite-Lived Intangible Asset, Useful Life	7 years	7 years
Gross Carrying Amount	$ 29	$ 30
Accumulated Amortization	10	6
Net	$ 19	$ 24
Licensing Agreements [Member]
Finite-Lived Intangible Asset, Useful Life	7 years	7 years
Gross Carrying Amount	$ 462	$ 490
Accumulated Amortization	157	96
Net	$ 305	$ 394
Customer Relationships [Member]
Finite-Lived Intangible Asset, Useful Life	3 years	3 years
Gross Carrying Amount	$ 424	$ 449
Accumulated Amortization	335	206
Net	$ 89	$ 243
Device Registration [Member]
Finite-Lived Intangible Asset, Useful Life	7 years	7 years
Gross Carrying Amount	$ 86	$ 92
Accumulated Amortization	49	20
Net	$ 37	$ 72
Noncompete Agreements [Member]
Finite-Lived Intangible Asset, Useful Life	5 years	5 years
Gross Carrying Amount	$ 955	$ 955
Accumulated Amortization	454	263
Net	501	692
Clinical Protocols [Member]
Gross Carrying Amount	19,870	19,870
Accumulated Amortization
Net	19,870	19,870
Gross Carrying Amount	1,956	2,016
Accumulated Amortization	1,005	591
Net	951	1,425
Gross Carrying Amount	21,826	21,886
Net	$ 20,821	$ 21,295