Stockholders' Equity (Tables)

6 Months Ended

Jun. 30, 2019

Equity [Abstract]

Allocated stock-based compensation expense

Stock-based compensation expense includes incremental stock-based compensation expense and is allocated on the condensed consolidated statements of operations and comprehensive income (loss) as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
	2019		2018		2019		2018
Sales and marketing	$	106,323	$	112,222	$	176,498	$	230,769
Product development and content	1,642,931		1,161,863		3,142,324		2,275,930
General and administrative	1,116,082		816,785		1,971,231		1,753,096
Total stock-based compensation expense	$	2,865,336	$	2,090,870	$	5,290,053	$	4,259,795

RSA activity

A summary of RSA activity under the 2012 Plan during the six months ended June 30, 2019 is as follows:

RSAs	Number of RSAs		Weighted-Average Stock Price
Outstanding at December 31, 2018	1,166,535		$	3.58
Granted	—		—
Vested	(758,337	)	3.30
Forfeited or expired	(10,066	)	4.73
Outstanding and unvested at June 30, 2019	398,132		4.08

A summary of RSA activity under the 2018 Plan during the six months ended June 30, 2019 is as follows:

RSAs	Number of RSAs		Weighted-Average Stock Price
Outstanding at December 31, 2018	1,677,227		$	4.18
Granted	2,289,591		5.34
Vested	(606,623	)	4.16
Forfeited or expired	(85,961	)	4.90
Outstanding and unvested at June 30, 2019	3,274,234		4.97

A summary of RSA activity under the 2016 Stock Plan during the six months ended June 30, 2019 is as follows:

RSAs	Number of RSAs		Weighted-Average Stock Price
Outstanding at December 31, 2018	474,686		$	4.25
Granted	—		—
Vested	(93,332	)	5.25
Forfeited or expired	(63,002	)	3.83
Outstanding and unvested at June 30, 2019	318,352		4.04

Performance share award activity

A summary of PSU awards under the 2012 Plan during the six months ended June 30, 2019 is as follows:

PSUs	Number of PSUs	Weighted-Average Stock Price
Outstanding at December 31, 2018	550,000	$	2.94
Granted	—	—
Vested	—	—
Forfeited or expired	—	—
Outstanding at June 30, 2019	550,000	2.94

A summary of PSU awards under the 2018 Plan during the six months ended June 30, 2019 is as follows:

PSUs	Number of PSUs	Weighted-Average Stock Price
Outstanding at December 31, 2018	60,000	$	4.65
Granted	416,100	6.18
Vested	—	—
Forfeited or expired	—	—
Outstanding at June 30, 2019	476,100	5.99

Stock option activity

A summary of stock option activity under the 2012 Plan during the six months ended June 30, 2019 is as follows:

Options	Number of Stock Options		Weighted- Average Exercise Price		Weighted Average Remaining Contractual Life	Aggregate Intrinsic Value
Outstanding at December 31, 2018	2,447,315		$	3.27
Granted	—		—
Exercised	(106,903	)	4.33
Forfeited or expired	(8,333	)	5.35
Outstanding at June 30, 2019	2,332,079		3.22		6.6	$	1,714,956
Exercisable at June 30, 2019	2,028,441		3.04		6.4	1,642,040

A summary of stock option activity under the 2016 Stock Plan during the six months ended June 30, 2019 is as follows:

Options	Number of Stock Options		Weighted- Average Exercise Price		Weighted- Average Remaining Contractual Life	Aggregate Intrinsic Value
Outstanding at December 31, 2018	444,168		$	5.10
Granted	—		—
Exercised	(26,667	)	5.69
Forfeited or expired	(97,501	)	5.02
Outstanding at June 30, 2019	320,000		5.07		7.6	$	—
Exercisable at June 30, 2019	213,333		5.07		7.6	—

A summary of stock option activity under the 2006 Stock Plan during the six months ended June 30, 2019 is as follows:

Options	Number of Stock Options		Weighted- Average Exercise Price		Weighted Average Remaining Contractual Life	Aggregate Intrinsic Value
Outstanding at December 31, 2018	1,074,411		$	4.00
Granted	—		—
Exercised	(23,764	)	3.78
Forfeited or expired	—		—
Outstanding at June 30, 2019	1,050,647		4.00		2.3	$	25,200
Exercisable at June 30, 2019	1,006,468		4.02		2.3	25,200