STOCK-BASED COMPENSATION (Tables)

9 Months Ended

Sep. 30, 2013

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

Schedule of non-cash compensation expense related to equity awards

Non-cash compensation expense related to equity awards is included in the following line items in the accompanying consolidated statements of operations for the three and nine months ended September 30, 2013 and 2012(in thousands):

	Three Months Ended   September 30,				Nine Months Ended   September 30,
	2013		2012		2013		2012
Cost of revenue	$	4	$	2	$	9	$	6
Selling and marketing expense	242		145		765		504
General and administrative expense	976		1,026		2,885		2,662
Product development	190		136		619		393
Total non-cash compensation expense	$	1,412	$	1,309	$	4,278	$	3,565

Summary of changes in outstanding stock options

A summary of changes in outstanding stock options for the nine months ended September 30, 2013 is as follows:

	Shares		Weighted Average Exercise Price		Weighted Average Remaining Contractual Term	Aggregate Intrinsic Value
					(in years)	(in thousands)
Options outstanding at January 1, 2013	1,072,503		$	8.97
Granted	—		—
Exercised	(27,029	)	7.79
Forfeited	—		—
Expired	(1,737	)	11.63
Options outstanding at September 30, 2013	1,043,737		8.99		5.00	$	18,020
Options exercisable at September 30, 2013	892,445		$	9.35	4.47	$	15,092

Summary of the information about stock options outstanding and exercisable

The following table summarizes the information about stock options outstanding and exercisable as of September 30, 2013:

	Options Outstanding				Options Exercisable
Range of Option Exercise Prices	Outstanding	Weighted Average Remaining Contractual Life in Years	Weighted Average Exercise Price		Exercisable	Weighted Average Exercise Price
$0.01 to $4.99	173	0.45	$	2.49	173	$	2.49
$5.00 to $7.45	304,327	7.96	6.65		153,035	6.39
$7.46 to $9.99	602,418	4.27	8.46		602,418	8.46
$10.00 to $14.99	10,029	1.00	12.27		10,029	12.27
$15.00 to $19.99	80,127	1.68	15.00		80,127	15.00
$20.00 to $20.19	46,663	1.68	20.19		46,663	20.19
As of September 30, 2013	1,043,737	5.00	$	8.99	892,445	$	9.35

Schedule of non-vested RSUs, restricted stock and restricted stock with a market condition as at the end of the period and changes during the reporting period

Nonvested RSUs, restricted stock and restricted stock with a market condition as of September 30, 2013 and changes during the nine months ended September 30, 2013 are as follows:

	RSUs				Restricted Stock				Restricted Stock Market Condition
	Number of Shares		Weighted Average Grant Date Fair Value		Number of Shares		Weighted Average Grant Date Fair Value		Number of Shares	Weighted Average Grant Date Fair Value
Nonvested at January 1, 2013	757,111		$	9.09	187,501		$	7.44	—	$	—
Granted	289,745		18.04		62,500		17.49		62,500	13.93
Vested	(276,291	)	9.60		(187,501	)	7.44		—	—
Forfeited	(76,545	)	9.56		—		—		—	—
Nonvested at September 30, 2013	694,020		$	12.69	62,500		$	17.49	62,500	$	13.93