STOCK-BASED COMPENSATION (Tables)

9 Months Ended

Sep. 30, 2021

Summary of Stock option and restricted stock activity

A summary of stock option and restricted stock activity under the 2008 Plan and Inducement Grants during the nine months ended September 30, 2021 and 2020 is presented below:


(in thousands)	Options	Inducement Grants	RSAs
Outstanding at December 31, 2019	757	—	192
Granted	42	180	305
Options Exercised/RSAs Vested	(8)	—	(128)	⁽¹⁾
Forfeited	(44)	—	(17)
Expired	—	—	—
Outstanding at September 30, 2020	747	180	352

Outstanding at December 31, 2020	756	180	352
Granted	97	61	463
Options Exercised/RSAs Vested	(5)	—	(126)	⁽²⁾
Forfeited	(74)	—	(61)
Expired	—	—	—
Outstanding at September 30, 2021	774	241	628

(1)

Includes 43 thousand shares purchased from employees to cover employee income taxes related to income earned upon vesting of restricted stock. The shares purchased are held in treasury and the $1.5 million total purchase price for the shares is included in Treasury stock in our accompanying unaudited interim condensed consolidated balance sheets.

(2)

Includes 28 thousand shares purchased from employees to cover employee income taxes related to income earned upon vesting of restricted stock. The shares purchased are held in treasury and the $0.9 million total purchase price for the shares is included in Treasury stock in our accompanying unaudited interim condensed consolidated balance sheets.

Employee Stock Purchase Plan 2016 [Member]

Summary of allocated expense


(in thousands)	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Cost of sales	$	3	$	3	$	11	$	14
Research and development		5		6		16		25
Selling, general, and administrative		20		23		66		79
	$	28	$	32	$	93	$	118

Stock Incentive Plan 2008 [Member]

Summary of allocated expense


	Three Months Ended September 30,				Nine Months Ended September 30,
(in thousands)	2021		2020		2021		2020
Cost of sales	$	2	$	34	$	4	$	93
Research and development		144		117		407		450
Selling, general, and administrative		2,634		2,200		7,017		9,882
	$	2,780	$	2,351	$	7,428	$	10,425