STOCK-BASED COMPENSATION

3 Months Ended

Mar. 31, 2021

Share-based Payment Arrangement [Abstract]

STOCK-BASED COMPENSATION

STOCK-BASED COMPENSATION

2014 Omnibus Incentive Plan

In January 2014, our board of directors approved the 2014 Omnibus Incentive Plan and amended and restated the plan in March 2014. Our stockholders approved the Amended and Restated 2014 Omnibus Incentive Plan, or the 2014 Plan, in March 2014. Our 2014 Plan initially permitted for the issuance of equity-based instruments covering up to a total of 1,400,000 shares of common stock. Our board of directors and stockholders approved an increase of 1,300,000 shares in June 2016, an increase of 3,250,000 shares in June 2017, an increase of 4,000,000 shares in June 2019, and an increase of 5,000,000 shares in June 2020, bringing the total shares allowed under the plan to 14,950,000. As of March 31, 2021 there were 4,311,407 shares available to issue under the 2014 Plan.

The table below represents stock option award activity for the three months ended March 31, 2021:

	Outstanding	Exercisable
January 1, 2021	1,140,975	955,302
Granted/Vested	5,000	20,817
Exercised	(104,465)	(104,465)
Cancelled or expired	(5,152)	—
March 31, 2021	1,036,358	871,654

The weighted-average exercise price as of March 31, 2021 for stock options outstanding and stock options exercisable was $4.64 and $4.94, respectively.

The table below represents restricted stock activity for the three months ended March 31, 2021:

	Number of Restricted Share Units
Outstanding at January 1, 2021	3,038,785
Granted	1,434,007
Vested	(195,000)
Forfeited	(14,447)
Outstanding at March 31, 2021	4,263,345

    

Total stock-based compensation recorded in the condensed consolidated statements of comprehensive loss is allocated as follows (in thousands): 

	Three Months Ended March 31,
	2021		2020
Research and development	$	972	$	648
Sales, marketing and administration	$	1,175	$	731
Total stock-based compensation	$	2,147	$	1,379