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Note 5 - Changes in the Carrying Amount of Intangible Assets (Details) - USD ($)
$ in Thousands
Mar. 31, 2016
Sep. 30, 2015
Domain And Trade Names [Member]    
Finite Lived Intangible Assets, Net $ 10 $ 10
Customer-Related Intangible Assets [Member]    
Finite Lived Intangible Assets, Net 622 802
Noncompete Agreements [Member]    
Finite Lived Intangible Assets, Net 181 216
Finite Lived Intangible Assets, Net $ 813 $ 1,028