Summary of Significant Accounting Policies (Share-Based Compensation) (Tables)

12 Months Ended

Dec. 31, 2018

Summary Of Significant Accounting Policies Share-based Compensation

Stock-based employee compensation expense

The following table summarizes the amount of share-based compensation expense by line item on the Statement of Operations (in thousands):

		Year Ended December 31,
		2018		2017
Cost of product revenue	$	-	$	39
Research and development expense		439		546
Sales, marketing, general and administrative expense		622		703
	$	1,061	$	1,288