Note 11 - Income Taxes	3 Months Ended
Mar. 31, 2018
Notes to Financial Statements
Income Tax Disclosure [Text Block]	Note 1 1 – Income Taxes The Company is subject to income tax in multiple jurisdictions and the use of estimates is required to determine the provision for income taxes. For the three months ended March 31, 2018 and 2017, the Company recorded an income tax provision of $3.9 million and $5.8 million, respectively. The income tax provision is based on the estimated annual effective tax rate for the year applied to pre-tax income. The effective income tax rate for the three months ended March 31, 2018 was 17.6 percent compared to 32.2 percent in the same period of the prior year. The effective tax rate decreased by 14.6% for the three months ended March 31, 2018 when compared to the same period in 2017 primarily due to the impact of tax reform and benefits from the exercise of stock options. The Tax Cuts and Jobs Act (the Act) was enacted on December 22, 2017. The Act reduces the U.S. federal corporate tax rate from 35% to 21%, requires companies to pay a transition tax on earnings of certain foreign subsidiaries that were previously tax-deferred and creates new taxes on certain foreign-sourced earnings. The Company has applied the guidance in ASU 2018 - 05, Income Taxes (Topic 740 ): Amendments to SEC Paragraphs Pursuant to SEC Staff Accounting Bulletin No. 118 , when accounting for the enactment-date effects of the Act. As of March 31, 2018, the Company had not completed its accounting for the tax effects of the Act, as the Company is in the process of analyzing certain aspects of the Act, obtaining information, and refining its calculations of the Act's impact. There have been no material measurement period adjustments made during the three months ended March 31, 2018 related to the provisional amounts recorded and disclosed in our Annual Report on Form 10 -K for the year ended December 31, 2017. The Company expects to complete the accounting for the tax effects of the Act during 2018. The effective income tax rate for the three months ended March 31, 2018 differs from the U.S. federal statutory rate of 21.0 percent due primarily to the mix of income earned in domestic and foreign tax jurisdictions and deductions for which the Company qualifies. The Company had reserves against unrecognized tax benefits totaling $4.2 million at each of March 31, 2018 and December 31, 2017, all of which, if recognized, would affect the Company’s effective tax rate. The Company recognizes interest and penalties related to income tax matters in income tax expense, and reports the liability in current or long-term income taxes payable as appropriate.

Note

– Income Taxes

The Company is subject to income tax in multiple jurisdictions and the use of estimates is required to determine the provision for income taxes. For the

three

months ended

March 31, 2018

and

2017,

the Company recorded an income tax provision of

$3.9

million and

$5.8

million, respectively. The income tax provision is based on the estimated annual effective tax rate for the year applied to pre-tax income. The effective income tax rate for the

three

months ended

March 31, 2018

was

17.6

percent compared to

32.2

percent in the same period of the prior year. The effective tax rate decreased by

14.6%

for the

three

months ended March

31,

2018

when compared to the same period in

2017

primarily due to the impact of tax reform and benefits from the exercise of stock options.

The Tax Cuts and Jobs Act (the Act) was enacted on

December 22, 2017.

The Act reduces the U.S. federal corporate tax rate from

35%

21%,

requires companies to pay a transition tax on earnings of certain foreign subsidiaries that were previously tax-deferred and creates new taxes on certain foreign-sourced earnings. The Company has applied the guidance in ASU

2018

05,

Income Taxes (Topic

740

): Amendments to SEC Paragraphs Pursuant to SEC Staff Accounting Bulletin

No.

118

, when accounting for the enactment-date effects of the Act. As of

March 31, 2018,

the Company had

not

completed its accounting for the tax effects of the Act, as the Company is in the process of analyzing certain aspects of the Act, obtaining information, and refining its calculations of the Act's impact. There have been

material measurement period adjustments made during the

three

months ended

March 31, 2018

related to the provisional amounts recorded and disclosed in our Annual Report on Form

-K for the year ended December

31,

2017.

The Company expects to complete the accounting for the tax effects of the Act during

2018.

The effective income tax rate for the

three

months ended

March 31, 2018

differs from the U.S. federal statutory rate of

21.0

percent due primarily to the mix of income earned in domestic and foreign tax jurisdictions and deductions for which the Company qualifies.

The Company had reserves against unrecognized tax benefits totaling

$4.2

million at each of

March 31, 2018

and

December 31, 2017,

all of which, if recognized, would affect the Company’s effective tax rate. The Company recognizes interest and penalties related to income tax matters in income tax expense, and reports the liability in current or long-term income taxes payable as appropriate.