Stock-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2021

Stock option activity for the three months ended March 31, 2021 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, 2020	2,496,242	$0.71-$10.33	$	1.94	7.37 years	$	731,744
Granted	8,000	$1.75	$	1.75

Exercised	—
Canceled and forfeited	(253,500)	$2.60	$	2.60

Outstanding, March 31, 2021	2,250,742	$0.71-$10.33	$	1.87	7.95 years	$	1,435,158
Exercisable, March 31, 2021	591,908		$	4.03		$	23,258
Vested and expected to vest, March 31, 2021	2,001,917		$	1.97		$	1,223,373