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