STOCK-BASED COMPENSATION (Tables)

6 Months Ended

Jun. 30, 2018

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs

The following table summarizes stock-based compensation expense incurred under the 2008 Plan and included in our accompanying unaudited interim condensed consolidated statements of operations:

(in thousands)	Three Months Ended June 30,				Six Months Ended June 30,
	2018		2017		2018		2017
Cost of sales	$	24	$	26	$	42	$	49
Research and development		220		168		380		307
Selling, general, and adminstrative		1,520		1,585		2,702		2,794
	$	1,764	$	1,779	$	3,124	$	3,150

Schedule of Share-based Compansation, 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, 2018 and 2017 is presented below:

(in thousands)	Options			RSAs
Outstanding December 31, 2016		578			63
Granted		185			50
Options Exercised/RSAs Vested		(2	)		(27	)(1)
Forfeited		(3	)		-
Outstanding June 30, 2017		758			86
Outstanding December 31, 2017		767			86
Granted		151			65
Options Exercised/RSAs Vested		(111	)		(33	)(2)
Forfeited		(16	)		-
Outstanding June 30, 2018		791			118

(1) Includes five 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 $259 thousand total purchase price for the shares is included in Treasury stock in our accompanying unaudited interim condensed consolidated balance sheets.

(2) Includes 11 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 $659 thousand total purchase price for the shares is included in Treasury stock in our accompanying unaudited interim condensed consolidated balance sheets.