v3.6.0.2

Stock incentive plans (Tables)

12 Months Ended

Dec. 31, 2016

Stock incentive plans

Schedule of stock-based compensation expense

		Years ended December 31,
		2016			2015			2014
Network operations		$	2,144		$	1,504		$	1,356
Development and technology			1,070			731			600
Selling and marketing			1,842			3,411			2,017
General and administrative			7,749			3,752			3,191
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Total stock-based compensation expense		$	12,805		$	9,398		$	7,164
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Summary 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, 2015

3,748

$

6.89

5.0

$

6,611

Exercised

(532

)

$

5.61

Canceled/forfeited

(132

)

$

8.79

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Outstanding at December 31, 2016

3,084

$

7.04

3.8

$

17,145

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Exercisable at December 31, 2016

2,971

$

7.07

3.6

$

16,468

Summary of nonvested RSU activity

		Number of Shares (000's)			Weighted Average Grant Date Fair Value
Non-vested at December 31, 2015			1,819		$	6.39
Granted			3,200		$	6.42
Vested			(1,054	)	$	6.85
Canceled/forfeited			(140	)	$	7.07
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Non-vested at December 31, 2016			3,825		$	6.55
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