Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Tax year that remains open to examination under enacted tax laws, in CCYY format.

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The amount of the unrecognized tax benefit of a position taken for which it is reasonably possible that the total amount thereof will significantly increase or decrease within twelve months of the balance sheet date.

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Amount of unrecognized tax benefits.

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The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

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Note 4 - Income Taxes (Details Textual) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Effective Income Tax Rate Reconciliation, Percent	40.00%	37.20%	36.30%	36.70%
Unrecognized Tax Benefits	$ 1.2		$ 1.2
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	1.0		1.0
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit	$ 0.4		$ 0.4
Internal Revenue Service (IRS) [Member] \| Earliest Tax Year [Member]
Open Tax Year			2013
Internal Revenue Service (IRS) [Member] \| Latest Tax Year [Member]
Open Tax Year			2016
State and Foreign Jurisdictions [Member] \| Earliest Tax Year [Member]
Open Tax Year			2013
State and Foreign Jurisdictions [Member] \| Latest Tax Year [Member]
Open Tax Year			2016