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Note 11 - Accumulated Other Comprehensive Loss (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Mar. 31, 2016
Dec. 31, 2015
Mar. 31, 2015
Mar. 31, 2016
Mar. 31, 2015
Balance $ (355) $ (356)   $ (356)  
Foreign currency translation adjustment 2 1 $ (17) 3 $ (22)
Balance $ (353) $ (355)   $ (353)