Quarterly report pursuant to Section 13 or 15(d)

Note 10 - Income Taxes (Details Textual)

v3.7.0.1
Note 10 - Income Taxes (Details Textual) - USD ($)
3 Months Ended 9 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Mar. 31, 2017
Mar. 31, 2016
Effective Income Tax Rate Reconciliation, Percent 28.80% 28.70% 35.00% 28.10%
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Discrete Tax Items $ 400,000 $ 0 $ 4,900,000 $ 0
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Revaluation of Contingent Consideration     $ 5,300,000