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Note 2 - Acquisitions - Components of Acquisition Related Costs (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2017
Dec. 31, 2016
Deferred compensation arrangements $ 703 $ 703 $ 1,405 $ 703
Acquisition-related costs 800 303 800
Total $ 703 $ 1,503 $ 1,708 $ 1,503