STOCK-BASED COMPENSATION (Tables)

6 Months Ended

Jun. 30, 2020

Summary of Stock option and restricted stock activity

A summary of stock option and restricted stock activity under the 2008 Plan during the six months ended June 30, 2020 and 2019 is presented below:


(in thousands)	Options	RSAs
Outstanding at December 31, 2018	759	117
Granted	160	122
Options Exercised/RSAs Vested	(114)	(42)	⁽¹⁾
Forfeited	(18)	(2)
Expired	(1)	—
Outstanding at June 30, 2019	786	195

Outstanding at December 31, 2019	757	192
Granted	7	261
Options Exercised/RSAs Vested	(8)	(121)	⁽²⁾
Forfeited	(13)	(17)
Expired	—	—
Outstanding at June 30, 2020	743	315

(1)

Includes 15 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 $1.0 million total purchase price for the shares is included in Treasury stock in our accompanying unaudited interim condensed consolidated balance sheets.

(2)

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 $1.6 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 June 30,				Six Months Ended June 30,
	2020		2019		2020		2019
Cost of sales	$	7	$	3	$	11	$	6
Research and development		12		4		19		9
Selling, general, and administrative		38		23		56		45
	$	57	$	30	$	86	$	60

Stock Incentive Plan 2008 [Member]

Summary of allocated expense


	Three Months Ended June 30,				Six Months Ended June 30,
(in thousands)	2020		2019		2020		2019
Cost of sales	$	33	$	28	$	59	$	49
Research and development		146		219		333		332
Selling, general, and administrative		5,500		2,316		7,682		3,862
	$	5,679	$	2,563	$	8,074	$	4,243