Stock incentive plans (Tables)

9 Months Ended

Sep. 30, 2013

Stock incentive plans

Schedule of recognized stock-based compensation expense

	Three Months EndedSeptember 30,					Nine Months Ended September 30,
	2013		2012			2013		2012
Network operations	$	241	$	117		$	638	$	227
Development and technology	143		(253		)	242		168
Selling and marketing	301		(36		)	759		366
General and administrative	667		390			1,560		1,402
Total stock-based compensation	$	1,352	218			$	3,199	$	2,163

Schedule of stock option activity

	Number of Options (000’s)		Weighted Average Exercise Price		Weighted- Average Remaining Contract Life (years)	Aggregate Intrinsic Value
Outstanding at December 31, 2012	5,045		$	6.50	6.44	$	14,742
Granted	951		$	6.92
Exercised	(374	)	$	1.45
Canceled/forfeited	(802	)	$	10.61
Outstanding at September 30, 2013	4,820		$	6.30	6.49	$	11,358
Vested and expected to vest at September 30, 2013	4,662		$	6.22	6.41	$	11,327
Exercisable at September 30, 2013	2,729		$	4.18	4.80	$	10,889

Summary of the RSU activity

	Number of Shares (000’s)		Weighted Average Grant-Date Fair Value
Nonvested at December 31, 2012	—		$	—
Granted	799		$	6.21
Vested	—		$	—
Forfeited	(30	)	$	6.05
Nonvested at September 30, 2013	769		$	6.21