Stockholders' Equity and Stock Based Compensation

3 Months Ended

Mar. 31, 2016

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

Stockholders' Equity and Stock-Based Compensation

Stockholders’ Equity and Stock Based Compensation

The Company maintains several stock-based compensation plans, which are more fully described in the Company’s Annual Report on Form 10-K for the year ended December 31, 2015.

During the three month periods ended March 31, 2016 and March 31, 2015, common stock outstanding changed as a result of the following activity:

	Three Months Ended March 31,
	2016		2015
	(In Thousands)
Balance as of December 31	26,236		26,631
Issuance of shares of restricted common stock, net of cancellations	361		290
Issuance of shares of common stock pursuant to the employee stock purchase plan	29		20
Shares of common stock repurchased and retired	—		(343	)
Shares of restricted common stock surrendered for income tax purposes	(115	)	(130	)
Balance as of March 31	26,511		26,468
Shares of restricted common stock vested	291		216

The Company included total stock-based compensation expense related to all its stock awards in various operating expense categories for the three month periods endedMarch 31, 2016 and March 31, 2015, as follows:

	Three Months Ended March 31,
	2016		2015
	(In Thousands)
Product and content development	$	405	$	584
Sales and marketing	411		370
General and administrative	840		526
Total stock-based compensation	$	1,656	$	1,480