Share Based Compensation (Tables)

12 Months Ended

Dec. 31, 2019

Share-based Payment Arrangement [Abstract]

A summary of our stock option award activity as of and for the year ended December 31, 2019 is as follows (in thousands, except per share data):



	Number of Shares		Weighted- Average Exercise Price per Share		Weighted- Average Remaining Contractual Term (In Years)	Aggregate Intrinsic Value
Options exercisable at December 31, 2018	52		$	31.84
Options outstanding at December 31, 2018	56		$	33.05
Options granted	—		$	—
Options forfeited	(1	)	$	51.20
Options expired	(1	)	$	35.06
Options exercised	—		$	—
Options outstanding at December 31, 2019	54		$	32.93	1.7	$	—
Options exercisable at December 31, 2019	53		$	32.41	1.6	$	—

Schedule of restricted stock activity

A summary of our restricted stock unit activity as of and for the year ended December 31, 2019 is as follows (in thousands, except per share data):



	Number of Shares		Weighted-Average Grant Date Fair Value Per Share
Non-vested restricted stock units outstanding at December 31, 2018	37		$	29.14
Granted	72		$	6.87
Forfeited	(4	)	$	30.29
Vested	(27	)	$	21.12
Non-vested restricted stock units outstanding at December 31, 2019	78		$	11.34

The following table summarizes information about restricted stock units that vested during the years ended December 31, 2019 and 2018 based on service conditions (in thousands):



	Year Ended December 31,
	2019		2018
Fair value on vesting date of vested restricted stock units	$	171	$	364

Schedule of compensation expense

Total share-based compensation expense related to all of our share-based units for the years ended December 31, 2019 and 2018 was allocated as follows (in thousands):



	Year Ended December 31,
	2019		2018
Cost of revenues:
Services	$	21	$	34
Product and product-related	8		16
Selling, general and administrative	511		584
Total share-based compensation expense	$	540	$	634