Note 8 - Stock-Based Compensation	3 Months Ended
Mar. 31, 2015
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Disclosure of Compensation Related Costs, Share-based Payments [Text Block]	Note 8. Stock-Based Compensation In February 2013, the Compensation Committee of our Board of Directors approved, subject to stockholder approval, a third amendment (the "Third Amendment") to the 2006 Omnibus Incentive Plan (the "Incentive Plan"). The Third Amendment (i) provides that the maximum aggregate number of shares of Class A common stock available for grant of awards under the Incentive Plan from and after May 29, 2013, shall not exceed 750,000, plus any remaining available shares of the 800,000 shares previously made available under the second amendment to the Incentive Plan (the "Second Amendment"), and any expirations, forfeitures, cancellations, or certain other terminations of shares approved for grant under the Third Amendment or the Second Amendment previously reserved, plus any remaining expirations, forfeitures, cancellations, or certain other terminations of such shares, and (ii) re-sets the term of the Incentive Plan to expire with respect to the ability to grant new awards on March 31, 2023. The Compensation Committee also re-approved, subject to stockholder re-approval, the material terms of the performance-based goals under the Incentive Plan so that certain incentive awards granted thereunder would continue to qualify as exempt "performance-based compensation" under Internal Revenue Code Section 162(m). The Company's stockholders approved the adoption of the Third Amendment and re-approved the material terms of the performance-based goals under the Incentive Plan at the Company's 2013 Annual Meeting held on May 29, 2013. The Incentive Plan permits annual awards of shares of our Class A common stock to executives, other key employees, consultants, non-employee directors, and eligible participants under various types of options, restricted stock awards, or other equity instruments. At March 31, 2015, 795,623 of the abovementioned 1,550,000 shares were available for award under the Incentive Plan. No participant in the Incentive Plan may receive awards of any type of equity instruments in any calendar year that relates to more than 200,000 shares of our Class A common stock. No awards may be made under the Incentive Plan after March 31, 2023. To the extent available, we have issued treasury stock to satisfy all share-based incentive plans. Included in salaries, wages, and related expenses within the condensed consolidated statements of operations for the three months ended March 31, 2015 and 2014, is stock-based compensation expense of approximately $0.3 million and less than $0.1 million, respectively. All stock compensation expense recorded in 2015 and 2014 relates to restricted shares given no options were granted during these periods. Associated with stock compensation expense was a $1.7 million income tax benefit at March 31, 2015 related to the exercise of stock options and restricted share vesting, resulting in related changes in taxable income and offsetting changes to additional paid in capital. The Incentive Plan allows participants to pay the federal and state minimum statutory tax withholding requirements related to awards that vest or allows participants to deliver to us shares of Class A common stock having a fair market value equal to the minimum amount of such required withholding taxes. To satisfy withholding requirements for shares that vested through March 31, 2015, certain participants elected to forfeit receipt of 57,260 shares of Class A common stock at a weighted average per share price of $30.77 based on the closing price of our Class A common stock on the dates the shares vested in 2015, in lieu of the federal and state minimum statutory tax withholding requirements. We remitted $1.8 million to the proper taxing authorities in satisfaction of the employees' minimum statutory withholding requirements. During the first quarter of 2015, certain employees exercised 49,825 stock options, which provided for approximately $0.8 million of proceeds.

Note 8 - Stock-Based Compensation

3 Months Ended

Mar. 31, 2015

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Disclosure of Compensation Related Costs, Share-based Payments [Text Block]

Note 8. Stock-Based Compensation

In February 2013, the Compensation Committee of our Board of Directors approved, subject to stockholder approval, a third amendment (the "Third Amendment") to the 2006 Omnibus Incentive Plan (the "Incentive Plan"). The Third Amendment (i) provides that the maximum aggregate number of shares of Class A common stock available for grant of awards under the Incentive Plan from and after May 29, 2013, shall not exceed 750,000, plus any remaining available shares of the 800,000 shares previously made available under the second amendment to the Incentive Plan (the "Second Amendment"), and any expirations, forfeitures, cancellations, or certain other terminations of shares approved for grant under the Third Amendment or the Second Amendment previously reserved, plus any remaining expirations, forfeitures, cancellations, or certain other terminations of such shares, and (ii) re-sets the term of the Incentive Plan to expire with respect to the ability to grant new awards on March 31, 2023. The Compensation Committee also re-approved, subject to stockholder re-approval, the material terms of the performance-based goals under the Incentive Plan so that certain incentive awards granted thereunder would continue to qualify as exempt "performance-based compensation" under Internal Revenue Code Section 162(m). The Company's stockholders approved the adoption of the Third Amendment and re-approved the material terms of the performance-based goals under the Incentive Plan at the Company's 2013 Annual Meeting held on May 29, 2013.

The Incentive Plan permits annual awards of shares of our Class A common stock to executives, other key employees, consultants, non-employee directors, and eligible participants under various types of options, restricted stock awards, or other equity instruments. At March 31, 2015, 795,623 of the abovementioned 1,550,000 shares were available for award under the Incentive Plan. No participant in the Incentive Plan may receive awards of any type of equity instruments in any calendar year that relates to more than 200,000 shares of our Class A common stock. No awards may be made under the Incentive Plan after March 31, 2023. To the extent available, we have issued treasury stock to satisfy all share-based incentive plans.

Included in salaries, wages, and related expenses within the condensed consolidated statements of operations for the three months ended March 31, 2015 and 2014, is stock-based compensation expense of approximately $0.3 million and less than $0.1 million, respectively. All stock compensation expense recorded in 2015 and 2014 relates to restricted shares given no options were granted during these periods. Associated with stock compensation expense was a $1.7 million income tax benefit at March 31, 2015 related to the exercise of stock options and restricted share vesting, resulting in related changes in taxable income and offsetting changes to additional paid in capital.

The Incentive Plan allows participants to pay the federal and state minimum statutory tax withholding requirements related to awards that vest or allows participants to deliver to us shares of Class A common stock having a fair market value equal to the minimum amount of such required withholding taxes. To satisfy withholding requirements for shares that vested through March 31, 2015, certain participants elected to forfeit receipt of 57,260 shares of Class A common stock at a weighted average per share price of $30.77 based on the closing price of our Class A common stock on the dates the shares vested in 2015, in lieu of the federal and state minimum statutory tax withholding requirements. We remitted $1.8 million to the proper taxing authorities in satisfaction of the employees' minimum statutory withholding requirements.

During the first quarter of 2015, certain employees exercised 49,825 stock options, which provided for approximately $0.8 million of proceeds.

- Definition

The entire disclosure for compensation-related costs for equity-based compensation, which may include disclosure of policies, compensation plan details, allocation of equity compensation, incentive distributions, equity-based arrangements to obtain goods and services, deferred compensation arrangements, employee stock ownership plan details and employee stock purchase plan details.

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