Note 16 - Subsequent Events	3 Months Ended
Mar. 31, 2015
Subsequent Events [Abstract]
Subsequent Events [Text Block]	16. SUBSEQUENT EVENTS Stock Repurchase Program In April 2015, the Board of Directors approved an extension of the stock repurchase program to December 31, 2015. No other terms were amended under the program. Income Tax Audits In April 2015, the Company reached a final resolution with the IRS in connection with the income tax audits for the years 2005 through 2007. Under the agreement, the Company made a one-time buy-in payment of $1.2 million for taxes related primarily to the revaluation of a license for certain intellectual property rights of the Company to one of its international subsidiaries. This buy-in payment is final and no additional payment will be required with respect to the intellectual property license for the years under examination or for a previous or subsequent tax year. In addition, the Company expects to make a $1.1 million related interest payment in the next few months as well as a $0.2 million tax payment for the years 2008 to 2013. There were no penalties assessed on the Company as a result of the audits. For the second quarter of 2015, the Company's income tax provision will include a one-time net charge of approximately $2.3 million, reflecting the taxes and interest to be paid partially offset by the reversal of previously accrued tax liabilities and valuation allowances. Of the $2.3 million charge, approximately $1.6 million relates to taxes and $0.7 million to interest.

Note 16 - Subsequent Events

3 Months Ended

Mar. 31, 2015

16. SUBSEQUENT EVENTS

Stock Repurchase Program

In April 2015, the Board of Directors approved an extension of the stock repurchase program to December 31, 2015. No other terms were amended under the program.

Income Tax Audits

In April 2015, the Company reached a final resolution with the IRS in connection with the income tax audits for the years 2005 through 2007. Under the agreement, the Company made a one-time buy-in payment of $1.2 million for taxes related primarily to the revaluation of a license for certain intellectual property rights of the Company to one of its international subsidiaries. This buy-in payment is final and no additional payment will be required with respect to the intellectual property license for the years under examination or for a previous or subsequent tax year. In addition, the Company expects to make a $1.1 million related interest payment in the next few months as well as a $0.2 million tax payment for the years 2008 to 2013. There were no penalties assessed on the Company as a result of the audits.

For the second quarter of 2015, the Company's income tax provision will include a one-time net charge of approximately $2.3 million, reflecting the taxes and interest to be paid partially offset by the reversal of previously accrued tax liabilities and valuation allowances. Of the $2.3 million charge, approximately $1.6 million relates to taxes and $0.7 million to interest.