Stock-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2020

Stock option activity for the three months ended March 31, 2020 was as follows:



Common Stock Options	Number of Options		Exercise Price Per Share	Weighted Average Exercise Price		Weighted Average Remaining Life	Aggregate Intrinsic Value
Outstanding, December 31, 2019	1,352,874		$0.79-$10.33	$	3.57	5.30 years	$	95,381
Granted	—
Exercised	(1,000	)	$1.20	$	1.20
Canceled and forfeited	(67,278	)	$1.20-$4.50	$	1.25
Outstanding, March 31, 2020	1,284,596		$0.79-$10.33	$	3.69	5.32 years	$	3,664
Exercisable, March 31, 2020	905,054			$	3.71		$	3,664
Vested and expected to vest, March 31, 2020	1,227,665			$	3.70		$	3,664