Stock Repurchases

6 Months Ended

Jun. 30, 2011

Stock Repurchases

Stock Repurchases

12. Stock Repurchases

On January 26, 2011, the Company repurchased 552,536 shares of its common stock from Koninklijke Philips Electronics, N.V., in a privately negotiated transaction. The shares were purchased for an aggregate price of approximately $14,927, including transaction fees. To facilitate the repurchase, the Company sold $10,752 and $2,996 of short- and long-term marketable securities, respectively, prior to their maturity date at an immaterial gain.

In April 2009, the Board of Directors approved a stock repurchase program authorizing the purchase, at the discretion of management, of up to $5,000 of our common stock through either periodic open-market or private transactions at then prevailing market prices through April 30, 2010. In both April 2010 and April 2011, the Board of Directors approved an extension of the stock repurchase program for one year periods.

	Three Months Ended June 30, 2011		Three Months Ended June 30, 2010		Six Months Ended June 30, 2011		Six Months Ended June 30, 2010		Since Inception (April 2009)
Shares purchased		24,204		—		41,077		—		152,744
Purchases	$	665	$	—	$	1,120	$	—	$	2,681

As part of the Company's 2008 Stock Incentive Plan, stock options are granted to certain employees and restricted stock shares are awarded to certain employees.

Pursuant to the terms of the stock option grants, the Company purchased a number of whole shares of common stock having a fair market value (as determined by the Company as of the date of exercise) equal to the amount of the total value of the aggregate exercise price of the options exercised. In addition, the Company withheld (purchased) from shares issued from upon exercise of the stock options a number of whole shares of common stock having a fair market value (as determined by the Company as of the date of vesting) equal to the amount of tax required to be withheld by law, in order to satisfy the tax withholding obligations of the Company in connection with the exercise of such options.

	Three Months Ended June 31, 2011		Three Months Ended March 31, 2010		Six Months Ended June 30, 2011		Six Months Ended June 30, 2010
Stock option purchased for exercise		24,099		—		24,099		—
Purchases	$	733	$	—	$	733	$	—
Stock option shares withheld (purchased) for taxes		17,753		—		17,753		—
Tax withholding obligations	$	541	$	—	$	541	$	—

Pursuant to the terms of the restricted stock award agreement, the Company withheld (purchased) from fully vested shares of common stock otherwise deliverable to any employee, a number of whole shares of common stock having a fair market value (as determined by the Company as of the date of vesting) equal to the amount of tax required to be withheld by law, in order to satisfy the tax withholding obligations of the Company in connection with the vesting of such shares.

	Three Months Ended June 30, 2011		Three Months Ended June 30, 2010		Six Months Ended June 30, 2011		Six Months Ended June 30, 2010
Restricted shares withheld (purchased) for tax		139		146		11,015		1,295
Tax withholding obligations	$	4	$	3	$	326	$	25